diff options
122 files changed, 4264 insertions, 702 deletions
diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml index c6930fc7f690..ffd526363fda 100644 --- a/Documentation/devicetree/bindings/arm/cpus.yaml +++ b/Documentation/devicetree/bindings/arm/cpus.yaml @@ -309,7 +309,9 @@ properties: power-domains property. For PSCI based platforms, the name corresponding to the index of the PSCI - PM domain provider, must be "psci". + PM domain provider, must be "psci". For SCMI based platforms, the name + corresponding to the index of an SCMI performance domain provider, must be + "perf". qcom,saw: $ref: /schemas/types.yaml#/definitions/phandle diff --git a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml index 44892aa589fd..580f9a97ddf7 100644 --- a/Documentation/devicetree/bindings/cache/qcom,llcc.yaml +++ b/Documentation/devicetree/bindings/cache/qcom,llcc.yaml @@ -20,6 +20,7 @@ description: | properties: compatible: enum: + - qcom,qdu1000-llcc - qcom,sc7180-llcc - qcom,sc7280-llcc - qcom,sc8180x-llcc @@ -44,6 +45,14 @@ properties: interrupts: maxItems: 1 + nvmem-cells: + items: + - description: Reference to an nvmem node for multi channel DDR + + nvmem-cell-names: + items: + - const: multi-chan-ddr + required: - compatible - reg @@ -92,6 +101,7 @@ allOf: compatible: contains: enum: + - qcom,qdu1000-llcc - qcom,sc8180x-llcc - qcom,sc8280xp-llcc then: diff --git a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml index b138f3d23df8..4591523b51a0 100644 --- a/Documentation/devicetree/bindings/firmware/arm,scmi.yaml +++ b/Documentation/devicetree/bindings/firmware/arm,scmi.yaml @@ -38,6 +38,9 @@ properties: with shmem address(4KB-page, offset) as parameters items: - const: arm,scmi-smc-param + - description: SCMI compliant firmware with Qualcomm SMC/HVC transport + items: + - const: qcom,scmi-smc - description: SCMI compliant firmware with SCMI Virtio transport. The virtio transport only supports a single device. items: @@ -149,8 +152,15 @@ properties: '#clock-cells': const: 1 - required: - - '#clock-cells' + '#power-domain-cells': + const: 1 + + oneOf: + - required: + - '#clock-cells' + + - required: + - '#power-domain-cells' protocol@14: $ref: '#/$defs/protocol-node' @@ -306,6 +316,7 @@ else: enum: - arm,scmi-smc - arm,scmi-smc-param + - qcom,scmi-smc then: required: - arm,smc-id diff --git a/Documentation/devicetree/bindings/firmware/qcom,scm.yaml b/Documentation/devicetree/bindings/firmware/qcom,scm.yaml index 4233ea839bfc..0613a37a851a 100644 --- a/Documentation/devicetree/bindings/firmware/qcom,scm.yaml +++ b/Documentation/devicetree/bindings/firmware/qcom,scm.yaml @@ -24,6 +24,7 @@ properties: - qcom,scm-apq8064 - qcom,scm-apq8084 - qcom,scm-ipq4019 + - qcom,scm-ipq5018 - qcom,scm-ipq5332 - qcom,scm-ipq6018 - qcom,scm-ipq806x @@ -56,6 +57,7 @@ properties: - qcom,scm-sm6125 - qcom,scm-sm6350 - qcom,scm-sm6375 + - qcom,scm-sm7150 - qcom,scm-sm8150 - qcom,scm-sm8250 - qcom,scm-sm8350 @@ -89,6 +91,14 @@ properties: protocol to handle sleeping SCM calls. maxItems: 1 + qcom,sdi-enabled: + description: + Indicates that the SDI (Secure Debug Image) has been enabled by TZ + by default and it needs to be disabled. + If not disabled WDT assertion or reboot will cause the board to hang + in the debug mode. + type: boolean + qcom,dload-mode: $ref: /schemas/types.yaml#/definitions/phandle-array items: diff --git a/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml index b40cec0eb651..ee74a362f4ca 100644 --- a/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/ingenic,nemc.yaml @@ -40,6 +40,7 @@ patternProperties: ".*@[0-9]+$": type: object $ref: mc-peripheral-props.yaml# + additionalProperties: true required: - compatible diff --git a/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml b/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml index 56e62cd0b36a..25f3bb9890ae 100644 --- a/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml @@ -80,6 +80,8 @@ properties: patternProperties: "flash@[0-9a-f]+$": type: object + additionalProperties: true + properties: compatible: contains: diff --git a/Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml b/Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml index b049837ee669..c7a8a041da50 100644 --- a/Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/ti,gpmc.yaml @@ -130,7 +130,7 @@ patternProperties: bus. The device can be a NAND chip, SRAM device, NOR device or an ASIC. $ref: ti,gpmc-child.yaml - + additionalProperties: true required: - compatible diff --git a/Documentation/devicetree/bindings/power/power-domain.yaml b/Documentation/devicetree/bindings/power/power-domain.yaml index d1235e562041..8fdb529d560b 100644 --- a/Documentation/devicetree/bindings/power/power-domain.yaml +++ b/Documentation/devicetree/bindings/power/power-domain.yaml @@ -13,8 +13,9 @@ maintainers: description: |+ System on chip designs are often divided into multiple PM domains that can be - used for power gating of selected IP blocks for power saving by reduced leakage - current. + used for power gating of selected IP blocks for power saving by reduced + leakage current. Moreover, in some cases the similar PM domains may also be + capable of scaling performance for a group of IP blocks. This device tree binding can be used to bind PM domain consumer devices with their PM domains provided by PM domain providers. A PM domain provider can be @@ -25,7 +26,7 @@ description: |+ properties: $nodename: - pattern: "^(power-controller|power-domain)([@-].*)?$" + pattern: "^(power-controller|power-domain|performance-domain)([@-].*)?$" domain-idle-states: $ref: /schemas/types.yaml#/definitions/phandle-array @@ -44,11 +45,11 @@ properties: operating-points-v2: description: - Phandles to the OPP tables of power domains provided by a power domain - provider. If the provider provides a single power domain only or all - the power domains provided by the provider have identical OPP tables, - then this shall contain a single phandle. Refer to ../opp/opp-v2-base.yaml - for more information. + Phandles to the OPP tables of power domains that are capable of scaling + performance, provided by a power domain provider. If the provider provides + a single power domain only or all the power domains provided by the + provider have identical OPP tables, then this shall contain a single + phandle. Refer to ../opp/opp-v2-base.yaml for more information. "#power-domain-cells": description: diff --git a/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml b/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml index bab982f00485..46407e9c1d4f 100644 --- a/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml +++ b/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml @@ -26,6 +26,17 @@ properties: description: > identifier of the client to use this region for buffers + qcom,use-guard-pages: + type: boolean + description: > + Indicates that the firmware, or hardware, does not gracefully handle + memory protection of this region when placed adjacent to other protected + memory regions, and that padding around the used portion of the memory + region is necessary. + + When this is set, the first and last page should be left unused, and the + effective size of the region will thereby shrink with two pages. + qcom,vmid: $ref: /schemas/types.yaml#/definitions/uint32-array description: > diff --git a/Documentation/devicetree/bindings/soc/mediatek/mtk-svs.yaml b/Documentation/devicetree/bindings/soc/mediatek/mtk-svs.yaml index f21eb907ee90..7eda63d5682f 100644 --- a/Documentation/devicetree/bindings/soc/mediatek/mtk-svs.yaml +++ b/Documentation/devicetree/bindings/soc/mediatek/mtk-svs.yaml @@ -22,6 +22,7 @@ properties: compatible: enum: - mediatek,mt8183-svs + - mediatek,mt8188-svs - mediatek,mt8192-svs reg: diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml index 8a4b7ba3aaf6..7b031ef09669 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml @@ -52,6 +52,8 @@ properties: iommus: maxItems: 1 + dma-coherent: true + required: - compatible - reg diff --git a/MAINTAINERS b/MAINTAINERS index e391d9ae3b12..51e6ae3f4f13 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17894,6 +17894,18 @@ S: Maintained F: Documentation/devicetree/bindings/mtd/qcom,nandc.yaml F: drivers/mtd/nand/raw/qcom_nandc.c +QUALCOMM QSEECOM DRIVER +M: Maximilian Luz <luzmaximilian@gmail.com> +L: linux-arm-msm@vger.kernel.org +S: Maintained +F: drivers/firmware/qcom/qcom_qseecom.c + +QUALCOMM QSEECOM UEFISECAPP DRIVER +M: Maximilian Luz <luzmaximilian@gmail.com> +L: linux-arm-msm@vger.kernel.org +S: Maintained +F: drivers/firmware/qcom/qcom_qseecom_uefisecapp.c + QUALCOMM RMNET DRIVER M: Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com> M: Sean Tranchetti <quic_stranche@quicinc.com> @@ -21003,6 +21015,7 @@ F: drivers/clk/clk-sc[mp]i.c F: drivers/cpufreq/sc[mp]i-cpufreq.c F: drivers/firmware/arm_scmi/ F: drivers/firmware/arm_scpi.c +F: drivers/pmdomain/arm/ F: drivers/powercap/arm_scmi_powercap.c F: drivers/regulator/scmi-regulator.c F: drivers/reset/reset-scmi.c diff --git a/arch/arm64/kvm/hyp/nvhe/ffa.c b/arch/arm64/kvm/hyp/nvhe/ffa.c index 6e4dba9eadef..320f2eaa14a9 100644 --- a/arch/arm64/kvm/hyp/nvhe/ffa.c +++ b/arch/arm64/kvm/hyp/nvhe/ffa.c @@ -423,6 +423,7 @@ static __always_inline void do_ffa_mem_xfer(const u64 func_id, DECLARE_REG(u32, fraglen, ctxt, 2); DECLARE_REG(u64, addr_mbz, ctxt, 3); DECLARE_REG(u32, npages_mbz, ctxt, 4); + struct ffa_mem_region_attributes *ep_mem_access; struct ffa_composite_mem_region *reg; struct ffa_mem_region *buf; u32 offset, nr_ranges; @@ -452,7 +453,9 @@ static __always_inline void do_ffa_mem_xfer(const u64 func_id, buf = hyp_buffers.tx; memcpy(buf, host_buffers.tx, fraglen); - offset = buf->ep_mem_access[0].composite_off; + ep_mem_access = (void *)buf + + ffa_mem_desc_offset(buf, 0, FFA_VERSION_1_0); + offset = ep_mem_access->composite_off; if (!offset || buf->ep_count != 1 || buf->sender_id != HOST_FFA_ID) { ret = FFA_RET_INVALID_PARAMETERS; goto out_unlock; @@ -504,6 +507,7 @@ static void do_ffa_mem_reclaim(struct arm_smccc_res *res, DECLARE_REG(u32, handle_lo, ctxt, 1); DECLARE_REG(u32, handle_hi, ctxt, 2); DECLARE_REG(u32, flags, ctxt, 3); + struct ffa_mem_region_attributes *ep_mem_access; struct ffa_composite_mem_region *reg; u32 offset, len, fraglen, fragoff; struct ffa_mem_region *buf; @@ -528,7 +532,9 @@ static void do_ffa_mem_reclaim(struct arm_smccc_res *res, len = res->a1; fraglen = res->a2; - offset = buf->ep_mem_access[0].composite_off; + ep_mem_access = (void *)buf + + ffa_mem_desc_offset(buf, 0, FFA_VERSION_1_0); + offset = ep_mem_access->composite_off; /* * We can trust the SPMD to get this right, but let's at least * check that we end up with something that doesn't look _completely_ diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs index d4df7b5d0f16..e08e91c49abe 100644 --- a/arch/riscv/Kconfig.socs +++ b/arch/riscv/Kconfig.socs @@ -34,6 +34,7 @@ config SOC_STARFIVE bool "StarFive SoCs" select PINCTRL select RESET_CONTROLLER + select ARM_AMBA help This enables support for StarFive SoC platform hardware. diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index e38fc140d113..da1777e39eaa 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -130,6 +130,7 @@ static const struct genpd_lock_ops genpd_spin_ops = { #define genpd_is_active_wakeup(genpd) (genpd->flags & GENPD_FLAG_ACTIVE_WAKEUP) #define genpd_is_cpu_domain(genpd) (genpd->flags & GENPD_FLAG_CPU_DOMAIN) #define genpd_is_rpm_always_on(genpd) (genpd->flags & GENPD_FLAG_RPM_ALWAYS_ON) +#define genpd_is_opp_table_fw(genpd) (genpd->flags & GENPD_FLAG_OPP_TABLE_FW) static inline bool irq_safe_dev_in_sleep_domain(struct device *dev, const struct generic_pm_domain *genpd) @@ -2337,7 +2338,7 @@ int of_genpd_add_provider_simple(struct device_node *np, genpd->dev.of_node = np; /* Parse genpd OPP table */ - if (genpd->set_performance_state) { + if (!genpd_is_opp_table_fw(genpd) && genpd->set_performance_state) { ret = dev_pm_opp_of_add_table(&genpd->dev); if (ret) return dev_err_probe(&genpd->dev, ret, "Failed to add OPP table\n"); @@ -2352,7 +2353,7 @@ int of_genpd_add_provider_simple(struct device_node *np, ret = genpd_add_provider(np, genpd_xlate_simple, genpd); if (ret) { - if (genpd->set_performance_state) { + if (!genpd_is_opp_table_fw(genpd) && genpd->set_performance_state) { dev_pm_opp_put_opp_table(genpd->opp_table); dev_pm_opp_of_remove_table(&genpd->dev); } @@ -2396,7 +2397,7 @@ int of_genpd_add_provider_onecell(struct device_node *np, genpd->dev.of_node = np; /* Parse genpd OPP table */ - if (genpd->set_performance_state) { + if (!genpd_is_opp_table_fw(genpd) && genpd->set_performance_state) { ret = dev_pm_opp_of_add_table_indexed(&genpd->dev, i); if (ret) { dev_err_probe(&genpd->dev, ret, @@ -2432,7 +2433,7 @@ error: genpd->provider = NULL; genpd->has_provider = false; - if (genpd->set_performance_state) { + if (!genpd_is_opp_table_fw(genpd) && genpd->set_performance_state) { dev_pm_opp_put_opp_table(genpd->opp_table); dev_pm_opp_of_remove_table(&genpd->dev); } @@ -2464,7 +2465,7 @@ void of_genpd_del_provider(struct device_node *np) if (gpd->provider == &np->fwnode) { gpd->has_provider = false; - if (!gpd->set_performance_state) + if (genpd_is_opp_table_fw(gpd) || !gpd->set_performance_state) continue; dev_pm_opp_put_opp_table(gpd->opp_table); diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig index c98dd6ca2629..e6742998f372 100644 --- a/drivers/bus/Kconfig +++ b/drivers/bus/Kconfig @@ -31,7 +31,7 @@ config ARM_INTEGRATOR_LM config BRCMSTB_GISB_ARB tristate "Broadcom STB GISB bus arbiter" - depends on ARM || ARM64 || MIPS + depends on ARCH_BRCMSTB || BMIPS_GENERIC default ARCH_BRCMSTB || BMIPS_GENERIC help Driver for the Broadcom Set Top Box System-on-a-chip internal bus diff --git a/drivers/bus/vexpress-config.c b/drivers/bus/vexpress-config.c index c4e1becbb2d2..d2c7ada90186 100644 --- a/drivers/bus/vexpress-config.c +++ b/drivers/bus/vexpress-config.c @@ -54,7 +54,7 @@ struct vexpress_syscfg_func { struct vexpress_syscfg *syscfg; struct regmap *regmap; int num_templates; - u32 template[]; /* Keep it last! */ + u32 template[] __counted_by(num_templates); /* Keep it last! */ }; struct vexpress_config_bridge_ops { diff --git a/drivers/clk/clk-scmi.c b/drivers/clk/clk-scmi.c index 2c7a830ce308..8cbe24789c24 100644 --- a/drivers/clk/clk-scmi.c +++ b/drivers/clk/clk-scmi.c @@ -13,13 +13,18 @@ #include <linux/scmi_protocol.h> #include <asm/div64.h> +#define NOT_ATOMIC false +#define ATOMIC true + static const struct scmi_clk_proto_ops *scmi_proto_clk_ops; struct scmi_clk { u32 id; + struct device *dev; struct clk_hw hw; const struct scmi_clock_info *info; const struct scmi_protocol_handle *ph; + struct clk_parent_data *parent_data; }; #define to_scmi_clk(clk) container_of(clk, struct scmi_clk, hw) @@ -74,38 +79,89 @@ static int scmi_clk_set_rate(struct clk_hw *hw, unsigned long rate, return scmi_proto_clk_ops->rate_set(clk->ph, clk->id, rate); } +static int scmi_clk_set_parent(struct clk_hw *hw, u8 parent_index) +{ + struct scmi_clk *clk = to_scmi_clk(hw); + + return scmi_proto_clk_ops->parent_set(clk->ph, clk->id, parent_index); +} + +static u8 scmi_clk_get_parent(struct clk_hw *hw) +{ + struct scmi_clk *clk = to_scmi_clk(hw); + u32 parent_id, p_idx; + int ret; + + ret = scmi_proto_clk_ops->parent_get(clk->ph, clk->id, &parent_id); + if (ret) + return 0; + + for (p_idx = 0; p_idx < clk->info->num_parents; p_idx++) { + if (clk->parent_data[p_idx].index == parent_id) + break; + } + + if (p_idx == clk->info->num_parents) + return 0; + + return p_idx; +} + +static int scmi_clk_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) +{ + /* + * Suppose all the requested rates are supported, and let firmware + * to handle the left work. + */ + return 0; +} + static int scmi_clk_enable(struct clk_hw *hw) { struct scmi_clk *clk = to_scmi_clk(hw); - return scmi_proto_clk_ops->enable(clk->ph, clk->id); + return scmi_proto_clk_ops->enable(clk->ph, clk->id, NOT_ATOMIC); } static void scmi_clk_disable(struct clk_hw *hw) { struct scmi_clk *clk = to_scmi_clk(hw); - scmi_proto_clk_ops->disable(clk->ph, clk->id); + scmi_proto_clk_ops->disable(clk->ph, clk->id, NOT_ATOMIC); } static int scmi_clk_atomic_enable(struct clk_hw *hw) { struct scmi_clk *clk = to_scmi_clk(hw); - return scmi_proto_clk_ops->enable_atomic(clk->ph, clk->id); + return scmi_proto_clk_ops->enable(clk->ph, clk->id, ATOMIC); } static void scmi_clk_atomic_disable(struct clk_hw *hw) { struct scmi_clk *clk = to_scmi_clk(hw); - scmi_proto_clk_ops->disable_atomic(clk->ph, clk->id); + scmi_proto_clk_ops->disable(clk->ph, clk->id, ATOMIC); +} + +static int scmi_clk_atomic_is_enabled(struct clk_hw *hw) +{ + int ret; + bool enabled = false; + struct scmi_clk *clk = to_scmi_clk(hw); + + ret = scmi_proto_clk_ops->state_get(clk->ph, clk->id, &enabled, ATOMIC); + if (ret) + dev_warn(clk->dev, + "Failed to get state for clock ID %d\n", clk->id); + + return !!enabled; } /* - * We can provide enable/disable atomic callbacks only if the underlying SCMI - * transport for an SCMI instance is configured to handle SCMI commands in an - * atomic manner. + * We can provide enable/disable/is_enabled atomic callbacks only if the + * underlying SCMI transport for an SCMI instance is configured to handle + * SCMI commands in an atomic manner. * * When no SCMI atomic transport support is available we instead provide only * the prepare/unprepare API, as allowed by the clock framework when atomic @@ -121,6 +177,9 @@ static const struct clk_ops scmi_clk_ops = { .set_rate = scmi_clk_set_rate, .prepare = scmi_clk_enable, .unprepare = scmi_clk_disable, + .set_parent = scmi_clk_set_parent, + .get_parent = scmi_clk_get_parent, + .determine_rate = scmi_clk_determine_rate, }; static const struct clk_ops scmi_atomic_clk_ops = { @@ -129,6 +188,10 @@ static const struct clk_ops scmi_atomic_clk_ops = { .set_rate = scmi_clk_set_rate, .enable = scmi_clk_atomic_enable, .disable = scmi_clk_atomic_disable, + .is_enabled = scmi_clk_atomic_is_enabled, + .set_parent = scmi_clk_set_parent, + .get_parent = scmi_clk_get_parent, + .determine_rate = scmi_clk_determine_rate, }; static int scmi_clk_ops_init(struct device *dev, struct scmi_clk *sclk, @@ -139,9 +202,10 @@ static int scmi_clk_ops_init(struct device *dev, struct scmi_clk *sclk, struct clk_init_data init = { .flags = CLK_GET_RATE_NOCACHE, - .num_parents = 0, + .num_parents = sclk->info->num_parents, .ops = scmi_ops, .name = sclk->info->name, + .parent_data = sclk->parent_data, }; sclk->hw.init = &init; @@ -213,11 +277,13 @@ static int scmi_clocks_probe(struct scmi_device *sdev) sclk->info = scmi_proto_clk_ops->info_get(ph, idx); if (!sclk->info) { dev_dbg(dev, "invalid clock info for idx %d\n", idx); + devm_kfree(dev, sclk); continue; } sclk->id = idx; sclk->ph = ph; + sclk->dev = dev; /* * Note that when transport is atomic but SCMI protocol did not @@ -230,9 +296,23 @@ static int scmi_clocks_probe(struct scmi_device *sdev) else scmi_ops = &scmi_clk_ops; + /* Initialize clock parent data. */ + if (sclk->info->num_parents > 0) { + sclk->parent_data = devm_kcalloc(dev, sclk->info->num_parents, + sizeof(*sclk->parent_data), GFP_KERNEL); + if (!sclk->parent_data) + return -ENOMEM; + + for (int i = 0; i < sclk->info->num_parents; i++) { + sclk->parent_data[i].index = sclk->info->parents[i]; + sclk->parent_data[i].hw = hws[sclk->info->parents[i]]; + } + } + err = scmi_clk_ops_init(dev, sclk, scmi_ops); if (err) { dev_err(dev, "failed to register clock %d\n", idx); + devm_kfree(dev, sclk->parent_data); devm_kfree(dev, sclk); hws[idx] = NULL; } else { diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index f34e6382a4c5..c8a7ccc42c16 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -70,16 +70,36 @@ static unsigned int scmi_cpufreq_fast_switch(struct cpufreq_policy *policy, return 0; } +static int scmi_cpu_domain_id(struct device *cpu_dev) +{ + struct device_node *np = cpu_dev->of_node; + struct of_phandle_args domain_id; + int index; + + if (of_parse_phandle_with_args(np, "clocks", "#clock-cells", 0, + &domain_id)) { + /* Find the corresponding index for power-domain "perf". */ + index = of_property_match_string(np, "power-domain-names", + "perf"); + if (index < 0) + return -EINVAL; + + if (of_parse_phandle_with_args(np, "power-domains", + "#power-domain-cells", index, + &domain_id)) + return -EINVAL; + } + + return domain_id.args[0]; +} + static int -scmi_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask) +scmi_get_sharing_cpus(struct device *cpu_dev, int domain, + struct cpumask *cpumask) { - int cpu, domain, tdomain; + int cpu, tdomain; struct device *tcpu_dev; - domain = perf_ops->device_domain_id(cpu_dev); - if (domain < 0) - return domain; - for_each_possible_cpu(cpu) { if (cpu == cpu_dev->id) continue; @@ -88,7 +108,7 @@ scmi_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask) if (!tcpu_dev) continue; - tdomain = perf_ops->device_domain_id(tcpu_dev); + tdomain = scmi_cpu_domain_id(tcpu_dev); if (tdomain == domain) cpumask_set_cpu(cpu, cpumask); } @@ -104,7 +124,7 @@ scmi_get_cpu_power(struct device *cpu_dev, unsigned long *power, unsigned long Hz; int ret, domain; - domain = perf_ops->device_domain_id(cpu_dev); + domain = scmi_cpu_domain_id(cpu_dev); if (domain < 0) return domain; @@ -126,7 +146,7 @@ scmi_get_cpu_power(struct device *cpu_dev, unsigned long *power, static int scmi_cpufreq_init(struct cpufreq_policy *policy) { - int ret, nr_opp; + int ret, nr_opp, domain; unsigned int latency; struct device *cpu_dev; struct scmi_data *priv; @@ -138,6 +158,10 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) return -ENODEV; } + domain = scmi_cpu_domain_id(cpu_dev); + if (domain < 0) + return domain; + priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -148,7 +172,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) } /* Obtain CPUs that share SCMI performance controls */ - ret = scmi_get_sharing_cpus(cpu_dev, policy->cpus); + ret = scmi_get_sharing_cpus(cpu_dev, domain, policy->cpus); if (ret) { dev_warn(cpu_dev, "failed to get sharing cpumask\n"); goto out_free_cpumask; @@ -176,7 +200,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) */ nr_opp = dev_pm_opp_get_opp_count(cpu_dev); if (nr_opp <= 0) { - ret = perf_ops->device_opps_add(ph, cpu_dev); + ret = perf_ops->device_opps_add(ph, cpu_dev, domain); if (ret) { dev_warn(cpu_dev, "failed to add opps to the device\n"); goto out_free_cpumask; @@ -209,7 +233,7 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) } priv->cpu_dev = cpu_dev; - priv->domain_id = perf_ops->device_domain_id(cpu_dev); + priv->domain_id = domain; policy->driver_data = priv; policy->freq_table = freq_table; @@ -217,14 +241,14 @@ static int scmi_cpufreq_init(struct cpufreq_policy *policy) /* SCMI allows DVFS request for any domain from any CPU */ policy->dvfs_possible_from_any_cpu = true; - latency = perf_ops->transition_latency_get(ph, cpu_dev); + latency = perf_ops->transition_latency_get(ph, domain); if (!latency) latency = CPUFREQ_ETERNAL; policy->cpuinfo.transition_latency = latency; policy->fast_switch_possible = - perf_ops->fast_switch_possible(ph, cpu_dev); + perf_ops->fast_switch_possible(ph, domain); return 0; diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig index b59e3041fd62..46949e9b748a 100644 --- a/drivers/firmware/Kconfig +++ b/drivers/firmware/Kconfig @@ -212,20 +212,6 @@ config MTK_ADSP_IPC ADSP exists on some mtk processors. Client might use shared memory to exchange information with ADSP. -config QCOM_SCM - tristate - -config QCOM_SCM_DOWNLOAD_MODE_DEFAULT - bool "Qualcomm download mode enabled by default" - depends on QCOM_SCM - help - A device with "download mode" enabled will upon an unexpected - warm-restart enter a special debug mode that allows the user to - "download" memory content over USB for offline postmortem analysis. - The feature can be enabled/disabled on the kernel command line. - - Say Y here to enable "download mode" by default. - config SYSFB bool select BOOT_VESA_SUPPORT @@ -311,6 +297,7 @@ source "drivers/firmware/efi/Kconfig" source "drivers/firmware/imx/Kconfig" source "drivers/firmware/meson/Kconfig" source "drivers/firmware/psci/Kconfig" +source "drivers/firmware/qcom/Kconfig" source "drivers/firmware/smccc/Kconfig" source "drivers/firmware/tegra/Kconfig" source "drivers/firmware/xilinx/Kconfig" diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile index 28fcddcd688f..ec454e952168 100644 --- a/drivers/firmware/Makefile +++ b/drivers/firmware/Makefile @@ -18,8 +18,6 @@ obj-$(CONFIG_FIRMWARE_MEMMAP) += memmap.o obj-$(CONFIG_MTK_ADSP_IPC) += mtk-adsp-ipc.o obj-$(CONFIG_RASPBERRYPI_FIRMWARE) += raspberrypi.o obj-$(CONFIG_FW_CFG_SYSFS) += qemu_fw_cfg.o -obj-$(CONFIG_QCOM_SCM) += qcom-scm.o -qcom-scm-objs += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o obj-$(CONFIG_SYSFB) += sysfb.o obj-$(CONFIG_SYSFB_SIMPLEFB) += sysfb_simplefb.o obj-$(CONFIG_TI_SCI_PROTOCOL) += ti_sci.o @@ -35,6 +33,7 @@ obj-$(CONFIG_GOOGLE_FIRMWARE) += google/ obj-y += efi/ obj-y += imx/ obj-y += psci/ +obj-y += qcom/ obj-y += smccc/ obj-y += tegra/ obj-y += xilinx/ diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c index 2b8bfcd010f5..1c7940ba5539 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -15,6 +15,8 @@ #include "common.h" +#define SCMI_UEVENT_MODALIAS_FMT "arm_ffa:%04x:%pUb" + static DEFINE_IDA(ffa_bus_id); static int ffa_device_match(struct device *dev, struct device_driver *drv) @@ -63,10 +65,20 @@ static int ffa_device_uevent(const struct device *dev, struct kobj_uevent_env *e { const struct ffa_device *ffa_dev = to_ffa_dev(dev); - return add_uevent_var(env, "MODALIAS=arm_ffa:%04x:%pUb", + return add_uevent_var(env, "MODALIAS=" SCMI_UEVENT_MODALIAS_FMT, ffa_dev->vm_id, &ffa_dev->uuid); } +static ssize_t modalias_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ffa_device *ffa_dev = to_ffa_dev(dev); + + return sysfs_emit(buf, SCMI_UEVENT_MODALIAS_FMT, ffa_dev->vm_id, + &ffa_dev->uuid); +} +static DEVICE_ATTR_RO(modalias); + static ssize_t partition_id_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -88,6 +100,7 @@ static DEVICE_ATTR_RO(uuid); static struct attribute *ffa_device_attributes_attrs[] = { &dev_attr_partition_id.attr, &dev_attr_uuid.attr, + &dev_attr_modalias.attr, NULL, }; ATTRIBUTE_GROUPS(ffa_device_attributes); @@ -193,6 +206,7 @@ struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id, dev->release = ffa_release_device; dev_set_name(&ffa_dev->dev, "arm-ffa-%d", id); + ffa_dev->id = id; ffa_dev->vm_id = vm_id; ffa_dev->ops = ops; uuid_copy(&ffa_dev->uuid, uuid); diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 121f4fc903cd..07b72c679247 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -22,20 +22,28 @@ #define DRIVER_NAME "ARM FF-A" #define pr_fmt(fmt) DRIVER_NAME ": " fmt +#include <linux/acpi.h> #include <linux/arm_ffa.h> #include <linux/bitfield.h> +#include <linux/cpuhotplug.h> #include <linux/device.h> +#include <linux/hashtable.h> +#include <linux/interrupt.h> #include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/mm.h> +#include <linux/mutex.h> +#include <linux/of_irq.h> #include <linux/scatterlist.h> #include <linux/slab.h> +#include <linux/smp.h> #include <linux/uuid.h> +#include <linux/xarray.h> #include "common.h" -#define FFA_DRIVER_VERSION FFA_VERSION_1_0 +#define FFA_DRIVER_VERSION FFA_VERSION_1_1 #define FFA_MIN_VERSION FFA_VERSION_1_0 #define SENDER_ID_MASK GENMASK(31, 16) @@ -51,6 +59,8 @@ */ #define RXTX_BUFFER_SIZE SZ_4K +#define FFA_MAX_NOTIFICATIONS 64 + static ffa_fn *invoke_ffa_fn; static const int ffa_linux_errmap[] = { @@ -64,6 +74,7 @@ static const int ffa_linux_errmap[] = { -EACCES, /* FFA_RET_DENIED */ -EAGAIN, /* FFA_RET_RETRY */ -ECANCELED, /* FFA_RET_ABORTED */ + -ENODATA, /* FFA_RET_NO_DATA */ }; static inline int ffa_to_linux_errno(int errno) @@ -75,6 +86,10 @@ static inline int ffa_to_linux_errno(int errno) return -EINVAL; } +struct ffa_pcpu_irq { + struct ffa_drv_info *info; +}; + struct ffa_drv_info { u32 version; u16 vm_id; @@ -83,6 +98,17 @@ struct ffa_drv_info { void *rx_buffer; void *tx_buffer; bool mem_ops_native; + bool bitmap_created; + unsigned int sched_recv_irq; + unsigned int cpuhp_state; + struct ffa_pcpu_irq __percpu *irq_pcpu; + struct workqueue_struct *notif_pcpu_wq; + struct work_struct notif_pcpu_work; + struct work_struct irq_work; + struct xarray partition_info; + unsigned int partition_count; + DECLARE_HASHTABLE(notifier_hash, ilog2(FFA_MAX_NOTIFICATIONS)); + struct mutex notify_lock; /* lock to protect notifier hashtable */ }; static struct ffa_drv_info *drv_info; @@ -397,7 +423,7 @@ static u32 ffa_get_num_pages_sg(struct scatterlist *sg) return num_pages; } -static u8 ffa_memory_attributes_get(u32 func_id) +static u16 ffa_memory_attributes_get(u32 func_id) { /* * For the memory lend or donate operation, if the receiver is a PE or @@ -416,38 +442,47 @@ ffa_setup_and_transmit(u32 func_id, void *buffer, u32 max_fragsize, { int rc = 0; bool first = true; + u32 composite_offset; phys_addr_t addr = 0; + struct ffa_mem_region *mem_region = buffer; struct ffa_composite_mem_region *composite; struct ffa_mem_region_addr_range *constituents; struct ffa_mem_region_attributes *ep_mem_access; - struct ffa_mem_region *mem_region = buffer; u32 idx, frag_len, length, buf_sz = 0, num_entries = sg_nents(args->sg); mem_region->tag = args->tag; mem_region->flags = args->flags; mem_region->sender_id = drv_info->vm_id; mem_region->attributes = ffa_memory_attributes_get(func_id); - ep_mem_access = &mem_region->ep_mem_access[0]; + ep_mem_access = buffer + + ffa_mem_desc_offset(buffer, 0, drv_info->version); + composite_offset = ffa_mem_desc_offset(buffer, args->nattrs, + drv_info->version); for (idx = 0; idx < args->nattrs; idx++, ep_mem_access++) { ep_mem_access->receiver = args->attrs[idx].receiver; ep_mem_access->attrs = args->attrs[idx].attrs; - ep_mem_access->composite_off = COMPOSITE_OFFSET(args->nattrs); + ep_mem_access->composite_off = composite_offset; ep_mem_access->flag = 0; ep_mem_access->reserved = 0; } mem_region->handle = 0; - mem_region->reserved_0 = 0; - mem_region->reserved_1 = 0; mem_region->ep_count = args->nattrs; + if (drv_info->version <= FFA_VERSION_1_0) { + mem_region->ep_mem_size = 0; + } else { + mem_region->ep_mem_size = sizeof(*ep_mem_access); + mem_region->ep_mem_offset = sizeof(*mem_region); + memset(mem_region->reserved, 0, 12); + } - composite = buffer + COMPOSITE_OFFSET(args->nattrs); + composite = buffer + composite_offset; composite->total_pg_cnt = ffa_get_num_pages_sg(args->sg); composite->addr_range_cnt = num_entries; composite->reserved = 0; - length = COMPOSITE_CONSTITUENTS_OFFSET(args->nattrs, num_entries); - frag_len = COMPOSITE_CONSTITUENTS_OFFSET(args->nattrs, 0); + length = composite_offset + CONSTITUENTS_OFFSET(num_entries); + frag_len = composite_offset + CONSTITUENTS_OFFSET(0); if (frag_len > max_fragsize) return -ENXIO; @@ -554,6 +589,236 @@ static int ffa_features(u32 func_feat_id, u32 input_props, return 0; } +static int ffa_notification_bitmap_create(void) +{ + ffa_value_t ret; + u16 vcpu_count = nr_cpu_ids; + + invoke_ffa_fn((ffa_value_t){ + .a0 = FFA_NOTIFICATION_BITMAP_CREATE, + .a1 = drv_info->vm_id, .a2 = vcpu_count, + }, &ret); + + if (ret.a0 == FFA_ERROR) + return ffa_to_linux_errno((int)ret.a2); + + return 0; +} + +static int ffa_notification_bitmap_destroy(void) +{ + ffa_value_t ret; + + invoke_ffa_fn((ffa_value_t){ + .a0 = FFA_NOTIFICATION_BITMAP_DESTROY, + .a1 = drv_info->vm_id, + }, &ret); + + if (ret.a0 == FFA_ERROR) + return ffa_to_linux_errno((int)ret.a2); + + return 0; +} + +#define NOTIFICATION_LOW_MASK GENMASK(31, 0) +#define NOTIFICATION_HIGH_MASK GENMASK(63, 32) +#define NOTIFICATION_BITMAP_HIGH(x) \ + ((u32)(FIELD_GET(NOTIFICATION_HIGH_MASK, (x)))) +#define NOTIFICATION_BITMAP_LOW(x) \ + ((u32)(FIELD_GET(NOTIFICATION_LOW_MASK, (x)))) +#define PACK_NOTIFICATION_BITMAP(low, high) \ + (FIELD_PREP(NOTIFICATION_LOW_MASK, (low)) | \ + FIELD_PREP(NOTIFICATION_HIGH_MASK, (high))) + +#define RECEIVER_VCPU_MASK GENMASK(31, 16) +#define PACK_NOTIFICATION_GET_RECEIVER_INFO(vcpu_r, r) \ + (FIELD_PREP(RECEIVER_VCPU_MASK, (vcpu_r)) | \ + FIELD_PREP(RECEIVER_ID_MASK, (r))) + +#define NOTIFICATION_INFO_GET_MORE_PEND_MASK BIT(0) +#define NOTIFICATION_INFO_GET_ID_COUNT GENMASK(11, 7) +#define ID_LIST_MASK_64 GENMASK(51, 12) +#define ID_LIST_MASK_32 GENMASK(31, 12) +#define MAX_IDS_64 20 +#define MAX_IDS_32 10 + +#define PER_VCPU_NOTIFICATION_FLAG BIT(0) +#define SECURE_PARTITION_BITMAP BIT(0) +#define NON_SECURE_VM_BITMAP BIT(1) +#define SPM_FRAMEWORK_BITMAP BIT(2) +#define NS_HYP_FRAMEWORK_BITMAP BIT(3) + +static int ffa_notification_bind_common(u16 dst_id, u64 bitmap, + u32 flags, bool is_bind) +{ + ffa_value_t ret; + u32 func, src_dst_ids = PACK_TARGET_INFO(dst_id, drv_info->vm_id); + + func = is_bind ? FFA_NOTIFICATION_BIND : FFA_NOTIFICATION_UNBIND; + + invoke_ffa_fn((ffa_value_t){ + .a0 = func, .a1 = src_dst_ids, .a2 = flags, + .a3 = NOTIFICATION_BITMAP_LOW(bitmap), + .a4 = NOTIFICATION_BITMAP_HIGH(bitmap), + }, &ret); + + if (ret.a0 == FFA_ERROR) + return ffa_to_linux_errno((int)ret.a2); + else if (ret.a0 != FFA_SUCCESS) + return -EINVAL; + + return 0; +} + +static +int ffa_notification_set(u16 src_id, u16 dst_id, u32 flags, u64 bitmap) +{ + ffa_value_t ret; + u32 src_dst_ids = PACK_TARGET_INFO(dst_id, src_id); + + invoke_ffa_fn((ffa_value_t) { + .a0 = FFA_NOTIFICATION_SET, .a1 = src_dst_ids, .a2 = flags, + .a3 = NOTIFICATION_BITMAP_LOW(bitmap), + .a4 = NOTIFICATION_BITMAP_HIGH(bitmap), + }, &ret); + + if (ret.a0 == FFA_ERROR) + return ffa_to_linux_errno((int)ret.a2); + else if (ret.a0 != FFA_SUCCESS) + return -EINVAL; + + return 0; +} + +struct ffa_notify_bitmaps { + u64 sp_map; + u64 vm_map; + u64 arch_map; +}; + +static int ffa_notification_get(u32 flags, struct ffa_notify_bitmaps *notify) +{ + ffa_value_t ret; + u16 src_id = drv_info->vm_id; + u16 cpu_id = smp_processor_id(); + u32 rec_vcpu_ids = PACK_NOTIFICATION_GET_RECEIVER_INFO(cpu_id, src_id); + + invoke_ffa_fn((ffa_value_t){ + .a0 = FFA_NOTIFICATION_GET, .a1 = rec_vcpu_ids, .a2 = flags, + }, &ret); + + if (ret.a0 == FFA_ERROR) + return ffa_to_linux_errno((int)ret.a2); + else if (ret.a0 != FFA_SUCCESS) + return -EINVAL; /* Something else went wrong. */ + + notify->sp_map = PACK_NOTIFICATION_BITMAP(ret.a2, ret.a3); + notify->vm_map = PACK_NOTIFICATION_BITMAP(ret.a4, ret.a5); + notify->arch_map = PACK_NOTIFICATION_BITMAP(ret.a6, ret.a7); + + return 0; +} + +struct ffa_dev_part_info { + ffa_sched_recv_cb callback; + void *cb_data; + rwlock_t rw_lock; +}; + +static void __do_sched_recv_cb(u16 part_id, u16 vcpu, bool is_per_vcpu) +{ + struct ffa_dev_part_info *partition; + ffa_sched_recv_cb callback; + void *cb_data; + + partition = xa_load(&drv_info->partition_info, part_id); + read_lock(&partition->rw_lock); + callback = partition->callback; + cb_data = partition->cb_data; + read_unlock(&partition->rw_lock); + + if (callback) + callback(vcpu, is_per_vcpu, cb_data); +} + +static void ffa_notification_info_get(void) +{ + int idx, list, max_ids, lists_cnt, ids_processed, ids_count[MAX_IDS_64]; + bool is_64b_resp; + ffa_value_t ret; + u64 id_list; + + do { + invoke_ffa_fn((ffa_value_t){ + .a0 = FFA_FN_NATIVE(NOTIFICATION_INFO_GET), + }, &ret); + + if (ret.a0 != FFA_FN_NATIVE(SUCCESS) && ret.a0 != FFA_SUCCESS) { + if (ret.a2 != FFA_RET_NO_DATA) + pr_err("Notification Info fetch failed: 0x%lx (0x%lx)", + ret.a0, ret.a2); + return; + } + + is_64b_resp = (ret.a0 == FFA_FN64_SUCCESS); + + ids_processed = 0; + lists_cnt = FIELD_GET(NOTIFICATION_INFO_GET_ID_COUNT, ret.a2); + if (is_64b_resp) { + max_ids = MAX_IDS_64; + id_list = FIELD_GET(ID_LIST_MASK_64, ret.a2); + } else { + max_ids = MAX_IDS_32; + id_list = FIELD_GET(ID_LIST_MASK_32, ret.a2); + } + + for (idx = 0; idx < lists_cnt; idx++, id_list >>= 2) + ids_count[idx] = (id_list & 0x3) + 1; + + /* Process IDs */ + for (list = 0; list < lists_cnt; list++) { + u16 vcpu_id, part_id, *packed_id_list = (u16 *)&ret.a3; + + if (ids_processed >= max_ids - 1) + break; + + part_id = packed_id_list[++ids_processed]; + + if (!ids_count[list]) { /* Global Notification */ + __do_sched_recv_cb(part_id, 0, false); + continue; + } + + /* Per vCPU Notification */ + for (idx = 0; idx < ids_count[list]; idx++) { + if (ids_processed >= max_ids - 1) + break; + + vcpu_id = packed_id_list[++ids_processed]; + + __do_sched_recv_cb(part_id, vcpu_id, true); + } + } + } while (ret.a2 & NOTIFICATION_INFO_GET_MORE_PEND_MASK); +} + +static int ffa_run(struct ffa_device *dev, u16 vcpu) +{ + ffa_value_t ret; + u32 target = dev->vm_id << 16 | vcpu; + + invoke_ffa_fn((ffa_value_t){ .a0 = FFA_RUN, .a1 = target, }, &ret); + + while (ret.a0 == FFA_INTERRUPT) + invoke_ffa_fn((ffa_value_t){ .a0 = FFA_RUN, .a1 = ret.a1, }, + &ret); + + if (ret.a0 == FFA_ERROR) + return ffa_to_linux_errno((int)ret.a2); + + return 0; +} + static void ffa_set_up_mem_ops_native_flag(void) { if (!ffa_features(FFA_FN_NATIVE(MEM_LEND), 0, NULL, NULL) || @@ -587,17 +852,9 @@ static int ffa_partition_info_get(const char *uuid_str, return 0; } -static void _ffa_mode_32bit_set(struct ffa_device *dev) -{ - dev->mode_32bit = true; -} - static void ffa_mode_32bit_set(struct ffa_device *dev) { - if (drv_info->version > FFA_VERSION_1_0) - return; - - _ffa_mode_32bit_set(dev); + dev->mode_32bit = true; } static int ffa_sync_send_receive(struct ffa_device *dev, @@ -630,6 +887,231 @@ static int ffa_memory_lend(struct ffa_mem_ops_args *args) return ffa_memory_ops(FFA_MEM_LEND, args); } +#define FFA_SECURE_PARTITION_ID_FLAG BIT(15) + +enum notify_type { + NON_SECURE_VM, + SECURE_PARTITION, + FRAMEWORK, +}; + +struct notifier_cb_info { + struct hlist_node hnode; + ffa_notifier_cb cb; + void *cb_data; + enum notify_type type; +}; + +static int ffa_sched_recv_cb_update(u16 part_id, ffa_sched_recv_cb callback, + void *cb_data, bool is_registration) +{ + struct ffa_dev_part_info *partition; + bool cb_valid; + + partition = xa_load(&drv_info->partition_info, part_id); + write_lock(&partition->rw_lock); + + cb_valid = !!partition->callback; + if (!(is_registration ^ cb_valid)) { + write_unlock(&partition->rw_lock); + return -EINVAL; + } + + partition->callback = callback; + partition->cb_data = cb_data; + + write_unlock(&partition->rw_lock); + return 0; +} + +static int ffa_sched_recv_cb_register(struct ffa_device *dev, + ffa_sched_recv_cb cb, void *cb_data) +{ + return ffa_sched_recv_cb_update(dev->vm_id, cb, cb_data, true); +} + +static int ffa_sched_recv_cb_unregister(struct ffa_device *dev) +{ + return ffa_sched_recv_cb_update(dev->vm_id, NULL, NULL, false); +} + +static int ffa_notification_bind(u16 dst_id, u64 bitmap, u32 flags) +{ + return ffa_notification_bind_common(dst_id, bitmap, flags, true); +} + +static int ffa_notification_unbind(u16 dst_id, u64 bitmap) +{ + return ffa_notification_bind_common(dst_id, bitmap, 0, false); +} + +/* Should be called while the notify_lock is taken */ +static struct notifier_cb_info * +notifier_hash_node_get(u16 notify_id, enum notify_type type) +{ + struct notifier_cb_info *node; + + hash_for_each_possible(drv_info->notifier_hash, node, hnode, notify_id) + if (type == node->type) + return node; + + return NULL; +} + +static int +update_notifier_cb(int notify_id, enum notify_type type, ffa_notifier_cb cb, + void *cb_data, bool is_registration) +{ + struct notifier_cb_info *cb_info = NULL; + bool cb_found; + + cb_info = notifier_hash_node_get(notify_id, type); + cb_found = !!cb_info; + + if (!(is_registration ^ cb_found)) + return -EINVAL; + + if (is_registration) { + cb_info = kzalloc(sizeof(*cb_info), GFP_KERNEL); + if (!cb_info) + return -ENOMEM; + + cb_info->type = type; + cb_info->cb = cb; + cb_info->cb_data = cb_data; + + hash_add(drv_info->notifier_hash, &cb_info->hnode, notify_id); + } else { + hash_del(&cb_info->hnode); + } + + return 0; +} + +static enum notify_type ffa_notify_type_get(u16 vm_id) +{ + if (vm_id & FFA_SECURE_PARTITION_ID_FLAG) + return SECURE_PARTITION; + else + return NON_SECURE_VM; +} + +static int ffa_notify_relinquish(struct ffa_device *dev, int notify_id) +{ + int rc; + enum notify_type type = ffa_notify_type_get(dev->vm_id); + + if (notify_id >= FFA_MAX_NOTIFICATIONS) + return -EINVAL; + + mutex_lock(&drv_info->notify_lock); + + rc = update_notifier_cb(notify_id, type, NULL, NULL, false); + if (rc) { + pr_err("Could not unregister notification callback\n"); + mutex_unlock(&drv_info->notify_lock); + return rc; + } + + rc = ffa_notification_unbind(dev->vm_id, BIT(notify_id)); + + mutex_unlock(&drv_info->notify_lock); + + return rc; +} + +static int ffa_notify_request(struct ffa_device *dev, bool is_per_vcpu, + ffa_notifier_cb cb, void *cb_data, int notify_id) +{ + int rc; + u32 flags = 0; + enum notify_type type = ffa_notify_type_get(dev->vm_id); + + if (notify_id >= FFA_MAX_NOTIFICATIONS) + return -EINVAL; + + mutex_lock(&drv_info->notify_lock); + + if (is_per_vcpu) + flags = PER_VCPU_NOTIFICATION_FLAG; + + rc = ffa_notification_bind(dev->vm_id, BIT(notify_id), flags); + if (rc) { + mutex_unlock(&drv_info->notify_lock); + return rc; + } + + rc = update_notifier_cb(notify_id, type, cb, cb_data, true); + if (rc) { + pr_err("Failed to register callback for %d - %d\n", + notify_id, rc); + ffa_notification_unbind(dev->vm_id, BIT(notify_id)); + } + mutex_unlock(&drv_info->notify_lock); + + return rc; +} + +static int ffa_notify_send(struct ffa_device *dev, int notify_id, + bool is_per_vcpu, u16 vcpu) +{ + u32 flags = 0; + + if (is_per_vcpu) + flags |= (PER_VCPU_NOTIFICATION_FLAG | vcpu << 16); + + return ffa_notification_set(dev->vm_id, drv_info->vm_id, flags, + BIT(notify_id)); +} + +static void handle_notif_callbacks(u64 bitmap, enum notify_type type) +{ + int notify_id; + struct notifier_cb_info *cb_info = NULL; + + for (notify_id = 0; notify_id <= FFA_MAX_NOTIFICATIONS && bitmap; + notify_id++, bitmap >>= 1) { + if (!(bitmap & 1)) + continue; + + mutex_lock(&drv_info->notify_lock); + cb_info = notifier_hash_node_get(notify_id, type); + mutex_unlock(&drv_info->notify_lock); + + if (cb_info && cb_info->cb) + cb_info->cb(notify_id, cb_info->cb_data); + } +} + +static void notif_pcpu_irq_work_fn(struct work_struct *work) +{ + int rc; + struct ffa_notify_bitmaps bitmaps; + + rc = ffa_notification_get(SECURE_PARTITION_BITMAP | + SPM_FRAMEWORK_BITMAP, &bitmaps); + if (rc) { + pr_err("Failed to retrieve notifications with %d!\n", rc); + return; + } + + handle_notif_callbacks(bitmaps.vm_map, NON_SECURE_VM); + handle_notif_callbacks(bitmaps.sp_map, SECURE_PARTITION); + handle_notif_callbacks(bitmaps.arch_map, FRAMEWORK); +} + +static void +ffa_self_notif_handle(u16 vcpu, bool is_per_vcpu, void *cb_data) +{ + struct ffa_drv_info *info = cb_data; + + if (!is_per_vcpu) + notif_pcpu_irq_work_fn(&info->notif_pcpu_work); + else + queue_work_on(vcpu, info->notif_pcpu_wq, + &info->notif_pcpu_work); +} + static const struct ffa_info_ops ffa_drv_info_ops = { .api_version_get = ffa_api_version_get, .partition_info_get = ffa_partition_info_get, @@ -646,10 +1128,24 @@ static const struct ffa_mem_ops ffa_drv_mem_ops = { .memory_lend = ffa_memory_lend, }; +static const struct ffa_cpu_ops ffa_drv_cpu_ops = { + .run = ffa_run, +}; + +static const struct ffa_notifier_ops ffa_drv_notifier_ops = { + .sched_recv_cb_register = ffa_sched_recv_cb_register, + .sched_recv_cb_unregister = ffa_sched_recv_cb_unregister, + .notify_request = ffa_notify_request, + .notify_relinquish = ffa_notify_relinquish, + .notify_send = ffa_notify_send, +}; + static const struct ffa_ops ffa_drv_ops = { .info_ops = &ffa_drv_info_ops, .msg_ops = &ffa_drv_msg_ops, .mem_ops = &ffa_drv_mem_ops, + .cpu_ops = &ffa_drv_cpu_ops, + .notifier_ops = &ffa_drv_notifier_ops, }; void ffa_device_match_uuid(struct ffa_device *ffa_dev, const uuid_t *uuid) @@ -680,6 +1176,7 @@ static void ffa_setup_partitions(void) int count, idx; uuid_t uuid; struct ffa_device *ffa_dev; + struct ffa_dev_part_info *info; struct ffa_partition_info *pbuf, *tpbuf; count = ffa_partition_probe(&uuid_null, &pbuf); @@ -688,6 +1185,7 @@ static void ffa_setup_partitions(void) return; } + xa_init(&drv_info->partition_info); for (idx = 0, tpbuf = pbuf; idx < count; idx++, tpbuf++) { import_uuid(&uuid, (u8 *)tpbuf->uuid); @@ -706,9 +1204,232 @@ static void ffa_setup_partitions(void) if (drv_info->version > FFA_VERSION_1_0 && !(tpbuf->properties & FFA_PARTITION_AARCH64_EXEC)) - _ffa_mode_32bit_set(ffa_dev); + ffa_mode_32bit_set(ffa_dev); + + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) { + ffa_device_unregister(ffa_dev); + continue; + } + xa_store(&drv_info->partition_info, tpbuf->id, info, GFP_KERNEL); } + drv_info->partition_count = count; + kfree(pbuf); + + /* Allocate for the host */ + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) + return; + xa_store(&drv_info->partition_info, drv_info->vm_id, info, GFP_KERNEL); + drv_info->partition_count++; +} + +static void ffa_partitions_cleanup(void) +{ + struct ffa_dev_part_info **info; + int idx, count = drv_info->partition_count; + + if (!count) + return; + + info = kcalloc(count, sizeof(**info), GFP_KERNEL); + if (!info) + return; + + xa_extract(&drv_info->partition_info, (void **)info, 0, VM_ID_MASK, + count, XA_PRESENT); + + for (idx = 0; idx < count; idx++) + kfree(info[idx]); + kfree(info); + + drv_info->partition_count = 0; + xa_destroy(&drv_info->partition_info); +} + +/* FFA FEATURE IDs */ +#define FFA_FEAT_NOTIFICATION_PENDING_INT (1) +#define FFA_FEAT_SCHEDULE_RECEIVER_INT (2) +#define FFA_FEAT_MANAGED_EXIT_INT (3) + +static irqreturn_t irq_handler(int irq, void *irq_data) +{ + struct ffa_pcpu_irq *pcpu = irq_data; + struct ffa_drv_info *info = pcpu->info; + + queue_work(info->notif_pcpu_wq, &info->irq_work); + + return IRQ_HANDLED; +} + +static void ffa_sched_recv_irq_work_fn(struct work_struct *work) +{ + ffa_notification_info_get(); +} + +static int ffa_sched_recv_irq_map(void) +{ + int ret, irq, sr_intid; + + /* The returned sr_intid is assumed to be SGI donated to NS world */ + ret = ffa_features(FFA_FEAT_SCHEDULE_RECEIVER_INT, 0, &sr_intid, NULL); + if (ret < 0) { + if (ret != -EOPNOTSUPP) + pr_err("Failed to retrieve scheduler Rx interrupt\n"); + return ret; + } + + if (acpi_disabled) { + struct of_phandle_args oirq = {}; + struct device_node *gic; + + /* Only GICv3 supported currently with the device tree */ + gic = of_find_compatible_node(NULL, NULL, "arm,gic-v3"); + if (!gic) + return -ENXIO; + + oirq.np = gic; + oirq.args_count = 1; + oirq.args[0] = sr_intid; + irq = irq_create_of_mapping(&oirq); + of_node_put(gic); +#ifdef CONFIG_ACPI + } else { + irq = acpi_register_gsi(NULL, sr_intid, ACPI_EDGE_SENSITIVE, + ACPI_ACTIVE_HIGH); +#endif + } + + if (irq <= 0) { + pr_err("Failed to create IRQ mapping!\n"); + return -ENODATA; + } + + return irq; +} + +static void ffa_sched_recv_irq_unmap(void) +{ + if (drv_info->sched_recv_irq) + irq_dispose_mapping(drv_info->sched_recv_irq); +} + +static int ffa_cpuhp_pcpu_irq_enable(unsigned int cpu) +{ + enable_percpu_irq(drv_info->sched_recv_irq, IRQ_TYPE_NONE); + return 0; +} + +static int ffa_cpuhp_pcpu_irq_disable(unsigned int cpu) +{ + disable_percpu_irq(drv_info->sched_recv_irq); + return 0; +} + +static void ffa_uninit_pcpu_irq(void) +{ + if (drv_info->cpuhp_state) + cpuhp_remove_state(drv_info->cpuhp_state); + + if (drv_info->notif_pcpu_wq) + destroy_workqueue(drv_info->notif_pcpu_wq); + + if (drv_info->sched_recv_irq) + free_percpu_irq(drv_info->sched_recv_irq, drv_info->irq_pcpu); + + if (drv_info->irq_pcpu) + free_percpu(drv_info->irq_pcpu); +} + +static int ffa_init_pcpu_irq(unsigned int irq) +{ + struct ffa_pcpu_irq __percpu *irq_pcpu; + int ret, cpu; + + irq_pcpu = alloc_percpu(struct ffa_pcpu_irq); + if (!irq_pcpu) + return -ENOMEM; + + for_each_present_cpu(cpu) + per_cpu_ptr(irq_pcpu, cpu)->info = drv_info; + + drv_info->irq_pcpu = irq_pcpu; + + ret = request_percpu_irq(irq, irq_handler, "ARM-FFA", irq_pcpu); + if (ret) { + pr_err("Error registering notification IRQ %d: %d\n", irq, ret); + return ret; + } + + INIT_WORK(&drv_info->irq_work, ffa_sched_recv_irq_work_fn); + INIT_WORK(&drv_info->notif_pcpu_work, notif_pcpu_irq_work_fn); + drv_info->notif_pcpu_wq = create_workqueue("ffa_pcpu_irq_notification"); + if (!drv_info->notif_pcpu_wq) + return -EINVAL; + + ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "ffa/pcpu-irq:starting", + ffa_cpuhp_pcpu_irq_enable, + ffa_cpuhp_pcpu_irq_disable); + + if (ret < 0) + return ret; + + drv_info->cpuhp_state = ret; + return 0; +} + +static void ffa_notifications_cleanup(void) +{ + ffa_uninit_pcpu_irq(); + ffa_sched_recv_irq_unmap(); + + if (drv_info->bitmap_created) { + ffa_notification_bitmap_destroy(); + drv_info->bitmap_created = false; + } +} + +static int ffa_notifications_setup(void) +{ + int ret, irq; + + ret = ffa_features(FFA_NOTIFICATION_BITMAP_CREATE, 0, NULL, NULL); + if (ret) { + pr_err("Notifications not supported, continuing with it ..\n"); + return 0; + } + + ret = ffa_notification_bitmap_create(); + if (ret) { + pr_err("notification_bitmap_create error %d\n", ret); + return ret; + } + drv_info->bitmap_created = true; + + irq = ffa_sched_recv_irq_map(); + if (irq <= 0) { + ret = irq; + goto cleanup; + } + + drv_info->sched_recv_irq = irq; + + ret = ffa_init_pcpu_irq(irq); + if (ret) + goto cleanup; + + hash_init(drv_info->notifier_hash); + mutex_init(&drv_info->notify_lock); + + /* Register internal scheduling callback */ + ret = ffa_sched_recv_cb_update(drv_info->vm_id, ffa_self_notif_handle, + drv_info, true); + if (!ret) + return ret; +cleanup: + ffa_notifications_cleanup(); + return ret; } static int __init ffa_init(void) @@ -766,7 +1487,13 @@ static int __init ffa_init(void) ffa_set_up_mem_ops_native_flag(); + ret = ffa_notifications_setup(); + if (ret) + goto partitions_cleanup; + return 0; +partitions_cleanup: + ffa_partitions_cleanup(); free_pages: if (drv_info->tx_buffer) free_pages_exact(drv_info->tx_buffer, RXTX_BUFFER_SIZE); @@ -781,9 +1508,12 @@ subsys_initcall(ffa_init); static void __exit ffa_exit(void) { + ffa_notifications_cleanup(); + ffa_partitions_cleanup(); ffa_rxtx_unmap(drv_info->vm_id); free_pages_exact(drv_info->tx_buffer, RXTX_BUFFER_SIZE); free_pages_exact(drv_info->rx_buffer, RXTX_BUFFER_SIZE); + xa_destroy(&drv_info->partition_info); kfree(drv_info); arm_ffa_bus_exit(); } diff --git a/drivers/firmware/arm_scmi/Kconfig b/drivers/firmware/arm_scmi/Kconfig index ea0f5083ac47..706d1264d038 100644 --- a/drivers/firmware/arm_scmi/Kconfig +++ b/drivers/firmware/arm_scmi/Kconfig @@ -181,6 +181,18 @@ config ARM_SCMI_POWER_DOMAIN will be called scmi_pm_domain. Note this may needed early in boot before rootfs may be available. +config ARM_SCMI_PERF_DOMAIN + tristate "SCMI performance domain driver" + depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF) + default y + select PM_GENERIC_DOMAINS if PM + help + This enables support for the SCMI performance domains which can be + enabled or disabled via the SCP firmware. + + This driver can also be built as a module. If so, the module will be + called scmi_perf_domain. + config ARM_SCMI_POWER_CONTROL tristate "SCMI system power control driver" depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF) diff --git a/drivers/firmware/arm_scmi/Makefile b/drivers/firmware/arm_scmi/Makefile index b31d78fa66cc..a7bc4796519c 100644 --- a/drivers/firmware/arm_scmi/Makefile +++ b/drivers/firmware/arm_scmi/Makefile @@ -16,7 +16,6 @@ scmi-module-objs := $(scmi-driver-y) $(scmi-protocols-y) $(scmi-transport-y) obj-$(CONFIG_ARM_SCMI_PROTOCOL) += scmi-core.o obj-$(CONFIG_ARM_SCMI_PROTOCOL) += scmi-module.o -obj-$(CONFIG_ARM_SCMI_POWER_DOMAIN) += scmi_pm_domain.o obj-$(CONFIG_ARM_SCMI_POWER_CONTROL) += scmi_power_control.o ifeq ($(CONFIG_THUMB2_KERNEL)$(CONFIG_CC_IS_CLANG),yy) diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index 96060bf90a24..42b81c181d68 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -21,6 +21,17 @@ enum scmi_clock_protocol_cmd { CLOCK_NAME_GET = 0x8, CLOCK_RATE_NOTIFY = 0x9, CLOCK_RATE_CHANGE_REQUESTED_NOTIFY = 0xA, + CLOCK_CONFIG_GET = 0xB, + CLOCK_POSSIBLE_PARENTS_GET = 0xC, + CLOCK_PARENT_SET = 0xD, + CLOCK_PARENT_GET = 0xE, +}; + +enum clk_state { + CLK_STATE_DISABLE, + CLK_STATE_ENABLE, + CLK_STATE_RESERVED, + CLK_STATE_UNCHANGED, }; struct scmi_msg_resp_clock_protocol_attributes { @@ -31,17 +42,57 @@ struct scmi_msg_resp_clock_protocol_attributes { struct scmi_msg_resp_clock_attributes { __le32 attributes; -#define CLOCK_ENABLE BIT(0) #define SUPPORTS_RATE_CHANGED_NOTIF(x) ((x) & BIT(31)) #define SUPPORTS_RATE_CHANGE_REQUESTED_NOTIF(x) ((x) & BIT(30)) #define SUPPORTS_EXTENDED_NAMES(x) ((x) & BIT(29)) +#define SUPPORTS_PARENT_CLOCK(x) ((x) & BIT(28)) u8 name[SCMI_SHORT_NAME_MAX_SIZE]; __le32 clock_enable_latency; }; -struct scmi_clock_set_config { +struct scmi_msg_clock_possible_parents { + __le32 id; + __le32 skip_parents; +}; + +struct scmi_msg_resp_clock_possible_parents { + __le32 num_parent_flags; +#define NUM_PARENTS_RETURNED(x) ((x) & 0xff) +#define NUM_PARENTS_REMAINING(x) ((x) >> 24) + __le32 possible_parents[]; +}; + +struct scmi_msg_clock_set_parent { + __le32 id; + __le32 parent_id; +}; + +struct scmi_msg_clock_config_set { + __le32 id; + __le32 attributes; +}; + +/* Valid only from SCMI clock v2.1 */ +struct scmi_msg_clock_config_set_v2 { __le32 id; __le32 attributes; +#define NULL_OEM_TYPE 0 +#define REGMASK_OEM_TYPE_SET GENMASK(23, 16) +#define REGMASK_CLK_STATE GENMASK(1, 0) + __le32 oem_config_val; +}; + +struct scmi_msg_clock_config_get { + __le32 id; + __le32 flags; +#define REGMASK_OEM_TYPE_GET GENMASK(7, 0) +}; + +struct scmi_msg_resp_clock_config_get { + __le32 attributes; + __le32 config; +#define IS_CLK_ENABLED(x) le32_get_bits((x), BIT(0)) + __le32 oem_config_val; }; struct scmi_msg_clock_describe_rates { @@ -100,6 +151,12 @@ struct clock_info { int max_async_req; atomic_t cur_async_req; struct scmi_clock_info *clk; + int (*clock_config_set)(const struct scmi_protocol_handle *ph, + u32 clk_id, enum clk_state state, + u8 oem_type, u32 oem_val, bool atomic); + int (*clock_config_get)(const struct scmi_protocol_handle *ph, + u32 clk_id, u8 oem_type, u32 *attributes, + bool *enabled, u32 *oem_val, bool atomic); }; static enum scmi_clock_protocol_cmd evt_2_cmd[] = { @@ -132,6 +189,98 @@ scmi_clock_protocol_attributes_get(const struct scmi_protocol_handle *ph, return ret; } +struct scmi_clk_ipriv { + struct device *dev; + u32 clk_id; + struct scmi_clock_info *clk; +}; + +static void iter_clk_possible_parents_prepare_message(void *message, unsigned int desc_index, + const void *priv) +{ + struct scmi_msg_clock_possible_parents *msg = message; + const struct scmi_clk_ipriv *p = priv; + + msg->id = cpu_to_le32(p->clk_id); + /* Set the number of OPPs to be skipped/already read */ + msg->skip_parents = cpu_to_le32(desc_index); +} + +static int iter_clk_possible_parents_update_state(struct scmi_iterator_state *st, + const void *response, void *priv) +{ + const struct scmi_msg_resp_clock_possible_parents *r = response; + struct scmi_clk_ipriv *p = priv; + struct device *dev = ((struct scmi_clk_ipriv *)p)->dev; + u32 flags; + + flags = le32_to_cpu(r->num_parent_flags); + st->num_returned = NUM_PARENTS_RETURNED(flags); + st->num_remaining = NUM_PARENTS_REMAINING(flags); + + /* + * num parents is not declared previously anywhere so we + * assume it's returned+remaining on first call. + */ + if (!st->max_resources) { + p->clk->num_parents = st->num_returned + st->num_remaining; + p->clk->parents = devm_kcalloc(dev, p->clk->num_parents, + sizeof(*p->clk->parents), + GFP_KERNEL); + if (!p->clk->parents) { + p->clk->num_parents = 0; + return -ENOMEM; + } + st->max_resources = st->num_returned + st->num_remaining; + } + + return 0; +} + +static int iter_clk_possible_parents_process_response(const struct scmi_protocol_handle *ph, + const void *response, + struct scmi_iterator_state *st, + void *priv) +{ + const struct scmi_msg_resp_clock_possible_parents *r = response; + struct scmi_clk_ipriv *p = priv; + + u32 *parent = &p->clk->parents[st->desc_index + st->loop_idx]; + + *parent = le32_to_cpu(r->possible_parents[st->loop_idx]); + + return 0; +} + +static int scmi_clock_possible_parents(const struct scmi_protocol_handle *ph, u32 clk_id, + struct scmi_clock_info *clk) +{ + struct scmi_iterator_ops ops = { + .prepare_message = iter_clk_possible_parents_prepare_message, + .update_state = iter_clk_possible_parents_update_state, + .process_response = iter_clk_possible_parents_process_response, + }; + + struct scmi_clk_ipriv ppriv = { + .clk_id = clk_id, + .clk = clk, + .dev = ph->dev, + }; + void *iter; + int ret; + + iter = ph->hops->iter_response_init(ph, &ops, 0, + CLOCK_POSSIBLE_PARENTS_GET, + sizeof(struct scmi_msg_clock_possible_parents), + &ppriv); + if (IS_ERR(iter)) + return PTR_ERR(iter); + + ret = ph->hops->iter_response_run(iter); + + return ret; +} + static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph, u32 clk_id, struct scmi_clock_info *clk, u32 version) @@ -176,6 +325,8 @@ static int scmi_clock_attributes_get(const struct scmi_protocol_handle *ph, clk->rate_changed_notifications = true; if (SUPPORTS_RATE_CHANGE_REQUESTED_NOTIF(attributes)) clk->rate_change_requested_notifications = true; + if (SUPPORTS_PARENT_CLOCK(attributes)) + scmi_clock_possible_parents(ph, clk_id, clk); } return ret; @@ -193,12 +344,6 @@ static int rate_cmp_func(const void *_r1, const void *_r2) return 1; } -struct scmi_clk_ipriv { - struct device *dev; - u32 clk_id; - struct scmi_clock_info *clk; -}; - static void iter_clk_describe_prepare_message(void *message, const unsigned int desc_index, const void *priv) @@ -395,11 +540,105 @@ static int scmi_clock_rate_set(const struct scmi_protocol_handle *ph, static int scmi_clock_config_set(const struct scmi_protocol_handle *ph, u32 clk_id, - u32 config, bool atomic) + enum clk_state state, u8 __unused0, u32 __unused1, + bool atomic) +{ + int ret; + struct scmi_xfer *t; + struct scmi_msg_clock_config_set *cfg; + + if (state >= CLK_STATE_RESERVED) + return -EINVAL; + + ret = ph->xops->xfer_get_init(ph, CLOCK_CONFIG_SET, + sizeof(*cfg), 0, &t); + if (ret) + return ret; + + t->hdr.poll_completion = atomic; + + cfg = t->tx.buf; + cfg->id = cpu_to_le32(clk_id); + cfg->attributes = cpu_to_le32(state); + + ret = ph->xops->do_xfer(ph, t); + + ph->xops->xfer_put(ph, t); + return ret; +} + +static int +scmi_clock_set_parent(const struct scmi_protocol_handle *ph, u32 clk_id, + u32 parent_id) +{ + int ret; + struct scmi_xfer *t; + struct scmi_msg_clock_set_parent *cfg; + struct clock_info *ci = ph->get_priv(ph); + struct scmi_clock_info *clk; + + if (clk_id >= ci->num_clocks) + return -EINVAL; + + clk = ci->clk + clk_id; + + if (parent_id >= clk->num_parents) + return -EINVAL; + + ret = ph->xops->xfer_get_init(ph, CLOCK_PARENT_SET, + sizeof(*cfg), 0, &t); + if (ret) + return ret; + + t->hdr.poll_completion = false; + + cfg = t->tx.buf; + cfg->id = cpu_to_le32(clk_id); + cfg->parent_id = cpu_to_le32(clk->parents[parent_id]); + + ret = ph->xops->do_xfer(ph, t); + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int +scmi_clock_get_parent(const struct scmi_protocol_handle *ph, u32 clk_id, + u32 *parent_id) { int ret; struct scmi_xfer *t; - struct scmi_clock_set_config *cfg; + + ret = ph->xops->xfer_get_init(ph, CLOCK_PARENT_GET, + sizeof(__le32), sizeof(u32), &t); + if (ret) + return ret; + + put_unaligned_le32(clk_id, t->tx.buf); + + ret = ph->xops->do_xfer(ph, t); + if (!ret) + *parent_id = get_unaligned_le32(t->rx.buf); + + ph->xops->xfer_put(ph, t); + return ret; +} + +/* For SCMI clock v2.1 and onwards */ +static int +scmi_clock_config_set_v2(const struct scmi_protocol_handle *ph, u32 clk_id, + enum clk_state state, u8 oem_type, u32 oem_val, + bool atomic) +{ + int ret; + u32 attrs; + struct scmi_xfer *t; + struct scmi_msg_clock_config_set_v2 *cfg; + + if (state == CLK_STATE_RESERVED || + (!oem_type && state == CLK_STATE_UNCHANGED)) + return -EINVAL; ret = ph->xops->xfer_get_init(ph, CLOCK_CONFIG_SET, sizeof(*cfg), 0, &t); @@ -408,9 +647,16 @@ scmi_clock_config_set(const struct scmi_protocol_handle *ph, u32 clk_id, t->hdr.poll_completion = atomic; + attrs = FIELD_PREP(REGMASK_OEM_TYPE_SET, oem_type) | + FIELD_PREP(REGMASK_CLK_STATE, state); + cfg = t->tx.buf; cfg->id = cpu_to_le32(clk_id); - cfg->attributes = cpu_to_le32(config); + cfg->attributes = cpu_to_le32(attrs); + /* Clear in any case */ + cfg->oem_config_val = cpu_to_le32(0); + if (oem_type) + cfg->oem_config_val = cpu_to_le32(oem_val); ret = ph->xops->do_xfer(ph, t); @@ -418,26 +664,124 @@ scmi_clock_config_set(const struct scmi_protocol_handle *ph, u32 clk_id, return ret; } -static int scmi_clock_enable(const struct scmi_protocol_handle *ph, u32 clk_id) +static int scmi_clock_enable(const struct scmi_protocol_handle *ph, u32 clk_id, + bool atomic) { - return scmi_clock_config_set(ph, clk_id, CLOCK_ENABLE, false); + struct clock_info *ci = ph->get_priv(ph); + + return ci->clock_config_set(ph, clk_id, CLK_STATE_ENABLE, + NULL_OEM_TYPE, 0, atomic); } -static int scmi_clock_disable(const struct scmi_protocol_handle *ph, u32 clk_id) +static int scmi_clock_disable(const struct scmi_protocol_handle *ph, u32 clk_id, + bool atomic) { - return scmi_clock_config_set(ph, clk_id, 0, false); + struct clock_info *ci = ph->get_priv(ph); + + return ci->clock_config_set(ph, clk_id, CLK_STATE_DISABLE, + NULL_OEM_TYPE, 0, atomic); } -static int scmi_clock_enable_atomic(const struct scmi_protocol_handle *ph, - u32 clk_id) +/* For SCMI clock v2.1 and onwards */ +static int +scmi_clock_config_get_v2(const struct scmi_protocol_handle *ph, u32 clk_id, + u8 oem_type, u32 *attributes, bool *enabled, + u32 *oem_val, bool atomic) { - return scmi_clock_config_set(ph, clk_id, CLOCK_ENABLE, true); + int ret; + u32 flags; + struct scmi_xfer *t; + struct scmi_msg_clock_config_get *cfg; + + ret = ph->xops->xfer_get_init(ph, CLOCK_CONFIG_GET, + sizeof(*cfg), 0, &t); + if (ret) + return ret; + + t->hdr.poll_completion = atomic; + + flags = FIELD_PREP(REGMASK_OEM_TYPE_GET, oem_type); + + cfg = t->tx.buf; + cfg->id = cpu_to_le32(clk_id); + cfg->flags = cpu_to_le32(flags); + + ret = ph->xops->do_xfer(ph, t); + if (!ret) { + struct scmi_msg_resp_clock_config_get *resp = t->rx.buf; + + if (attributes) + *attributes = le32_to_cpu(resp->attributes); + + if (enabled) + *enabled = IS_CLK_ENABLED(resp->config); + + if (oem_val && oem_type) + *oem_val = le32_to_cpu(resp->oem_config_val); + } + + ph->xops->xfer_put(ph, t); + + return ret; +} + +static int +scmi_clock_config_get(const struct scmi_protocol_handle *ph, u32 clk_id, + u8 oem_type, u32 *attributes, bool *enabled, + u32 *oem_val, bool atomic) +{ + int ret; + struct scmi_xfer *t; + struct scmi_msg_resp_clock_attributes *resp; + + if (!enabled) + return -EINVAL; + + ret = ph->xops->xfer_get_init(ph, CLOCK_ATTRIBUTES, + sizeof(clk_id), sizeof(*resp), &t); + if (ret) + return ret; + + t->hdr.poll_completion = atomic; + put_unaligned_le32(clk_id, t->tx.buf); + resp = t->rx.buf; + + ret = ph->xops->do_xfer(ph, t); + if (!ret) + *enabled = IS_CLK_ENABLED(resp->attributes); + + ph->xops->xfer_put(ph, t); + + return ret; } -static int scmi_clock_disable_atomic(const struct scmi_protocol_handle *ph, - u32 clk_id) +static int scmi_clock_state_get(const struct scmi_protocol_handle *ph, + u32 clk_id, bool *enabled, bool atomic) { - return scmi_clock_config_set(ph, clk_id, 0, true); + struct clock_info *ci = ph->get_priv(ph); + + return ci->clock_config_get(ph, clk_id, NULL_OEM_TYPE, NULL, + enabled, NULL, atomic); +} + +static int scmi_clock_config_oem_set(const struct scmi_protocol_handle *ph, + u32 clk_id, u8 oem_type, u32 oem_val, + bool atomic) +{ + struct clock_info *ci = ph->get_priv(ph); + + return ci->clock_config_set(ph, clk_id, CLK_STATE_UNCHANGED, + oem_type, oem_val, atomic); +} + +static int scmi_clock_config_oem_get(const struct scmi_protocol_handle *ph, + u32 clk_id, u8 oem_type, u32 *oem_val, + u32 *attributes, bool atomic) +{ + struct clock_info *ci = ph->get_priv(ph); + + return ci->clock_config_get(ph, clk_id, oem_type, attributes, + NULL, oem_val, atomic); } static int scmi_clock_count_get(const struct scmi_protocol_handle *ph) @@ -470,8 +814,11 @@ static const struct scmi_clk_proto_ops clk_proto_ops = { .rate_set = scmi_clock_rate_set, .enable = scmi_clock_enable, .disable = scmi_clock_disable, - .enable_atomic = scmi_clock_enable_atomic, - .disable_atomic = scmi_clock_disable_atomic, + .state_get = scmi_clock_state_get, + .config_oem_get = scmi_clock_config_oem_get, + .config_oem_set = scmi_clock_config_oem_set, + .parent_set = scmi_clock_set_parent, + .parent_get = scmi_clock_get_parent, }; static int scmi_clk_rate_notify(const struct scmi_protocol_handle *ph, @@ -604,6 +951,15 @@ static int scmi_clock_protocol_init(const struct scmi_protocol_handle *ph) scmi_clock_describe_rates_get(ph, clkid, clk); } + if (PROTOCOL_REV_MAJOR(version) >= 0x2 && + PROTOCOL_REV_MINOR(version) >= 0x1) { + cinfo->clock_config_set = scmi_clock_config_set_v2; + cinfo->clock_config_get = scmi_clock_config_get_v2; + } else { + cinfo->clock_config_set = scmi_clock_config_set; + cinfo->clock_config_get = scmi_clock_config_get; + } + cinfo->version = version; return ph->set_priv(ph, cinfo); } diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c index 87383c05424b..09371f40d61f 100644 --- a/drivers/firmware/arm_scmi/driver.c +++ b/drivers/firmware/arm_scmi/driver.c @@ -2915,6 +2915,7 @@ static const struct of_device_id scmi_of_match[] = { #ifdef CONFIG_ARM_SCMI_TRANSPORT_SMC { .compatible = "arm,scmi-smc", .data = &scmi_smc_desc}, { .compatible = "arm,scmi-smc-param", .data = &scmi_smc_desc}, + { .compatible = "qcom,scmi-smc", .data = &scmi_smc_desc}, #endif #ifdef CONFIG_ARM_SCMI_TRANSPORT_VIRTIO { .compatible = "arm,scmi-virtio", .data = &scmi_virtio_desc}, diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index 30dedd6ebfde..c2435be0ae1b 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -145,7 +145,6 @@ struct scmi_msg_resp_perf_describe_levels_v4 { struct perf_dom_info { u32 id; bool set_limits; - bool set_perf; bool perf_limit_notify; bool perf_level_notify; bool perf_fastchannels; @@ -154,7 +153,7 @@ struct perf_dom_info { u32 sustained_freq_khz; u32 sustained_perf_level; u32 mult_factor; - char name[SCMI_MAX_STR_SIZE]; + struct scmi_perf_domain_info info; struct scmi_opp opp[MAX_OPPS]; struct scmi_fc_info *fc_info; struct xarray opps_by_idx; @@ -257,7 +256,7 @@ scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph, flags = le32_to_cpu(attr->flags); dom_info->set_limits = SUPPORTS_SET_LIMITS(flags); - dom_info->set_perf = SUPPORTS_SET_PERF_LVL(flags); + dom_info->info.set_perf = SUPPORTS_SET_PERF_LVL(flags); dom_info->perf_limit_notify = SUPPORTS_PERF_LIMIT_NOTIFY(flags); dom_info->perf_level_notify = SUPPORTS_PERF_LEVEL_NOTIFY(flags); dom_info->perf_fastchannels = SUPPORTS_PERF_FASTCHANNELS(flags); @@ -276,7 +275,8 @@ scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph, dom_info->mult_factor = (dom_info->sustained_freq_khz * 1000) / dom_info->sustained_perf_level; - strscpy(dom_info->name, attr->name, SCMI_SHORT_NAME_MAX_SIZE); + strscpy(dom_info->info.name, attr->name, + SCMI_SHORT_NAME_MAX_SIZE); } ph->xops->xfer_put(ph, t); @@ -288,7 +288,7 @@ scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph, if (!ret && PROTOCOL_REV_MAJOR(version) >= 0x3 && SUPPORTS_EXTENDED_NAMES(flags)) ph->hops->extended_name_get(ph, PERF_DOMAIN_NAME_GET, - dom_info->id, dom_info->name, + dom_info->id, dom_info->info.name, SCMI_MAX_STR_SIZE); if (dom_info->level_indexing_mode) { @@ -423,6 +423,36 @@ scmi_perf_describe_levels_get(const struct scmi_protocol_handle *ph, return ret; } +static int scmi_perf_num_domains_get(const struct scmi_protocol_handle *ph) +{ + struct scmi_perf_info *pi = ph->get_priv(ph); + + return pi->num_domains; +} + +static inline struct perf_dom_info * +scmi_perf_domain_lookup(const struct scmi_protocol_handle *ph, u32 domain) +{ + struct scmi_perf_info *pi = ph->get_priv(ph); + + if (domain >= pi->num_domains) + return ERR_PTR(-EINVAL); + + return pi->dom_info + domain; +} + +static const struct scmi_perf_domain_info * +scmi_perf_info_get(const struct scmi_protocol_handle *ph, u32 domain) +{ + struct perf_dom_info *dom; + + dom = scmi_perf_domain_lookup(ph, domain); + if (IS_ERR(dom)) + return ERR_PTR(-EINVAL); + + return &dom->info; +} + static int scmi_perf_msg_limits_set(const struct scmi_protocol_handle *ph, u32 domain, u32 max_perf, u32 min_perf) { @@ -446,17 +476,6 @@ static int scmi_perf_msg_limits_set(const struct scmi_protocol_handle *ph, return ret; } -static inline struct perf_dom_info * -scmi_perf_domain_lookup(const struct scmi_protocol_handle *ph, u32 domain) -{ - struct scmi_perf_info *pi = ph->get_priv(ph); - - if (domain >= pi->num_domains) - return ERR_PTR(-EINVAL); - - return pi->dom_info + domain; -} - static int __scmi_perf_limits_set(const struct scmi_protocol_handle *ph, struct perf_dom_info *dom, u32 max_perf, u32 min_perf) @@ -763,71 +782,46 @@ static void scmi_perf_domain_init_fc(const struct scmi_protocol_handle *ph, *p_fc = fc; } -/* Device specific ops */ -static int scmi_dev_domain_id(struct device *dev) -{ - struct of_phandle_args clkspec; - - if (of_parse_phandle_with_args(dev->of_node, "clocks", "#clock-cells", - 0, &clkspec)) - return -EINVAL; - - return clkspec.args[0]; -} - static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph, - struct device *dev) + struct device *dev, u32 domain) { - int idx, ret, domain; + int idx, ret; unsigned long freq; - struct scmi_opp *opp; + struct dev_pm_opp_data data = {}; struct perf_dom_info *dom; - domain = scmi_dev_domain_id(dev); - if (domain < 0) - return -EINVAL; - dom = scmi_perf_domain_lookup(ph, domain); if (IS_ERR(dom)) return PTR_ERR(dom); - for (opp = dom->opp, idx = 0; idx < dom->opp_count; idx++, opp++) { + for (idx = 0; idx < dom->opp_count; idx++) { if (!dom->level_indexing_mode) - freq = opp->perf * dom->mult_factor; + freq = dom->opp[idx].perf * dom->mult_factor; else - freq = opp->indicative_freq * 1000; + freq = dom->opp[idx].indicative_freq * 1000; + + data.level = dom->opp[idx].perf; + data.freq = freq; - ret = dev_pm_opp_add(dev, freq, 0); + ret = dev_pm_opp_add_dynamic(dev, &data); if (ret) { dev_warn(dev, "failed to add opp %luHz\n", freq); - - while (idx-- > 0) { - if (!dom->level_indexing_mode) - freq = (--opp)->perf * dom->mult_factor; - else - freq = (--opp)->indicative_freq * 1000; - dev_pm_opp_remove(dev, freq); - } + dev_pm_opp_remove_all_dynamic(dev); return ret; } dev_dbg(dev, "[%d][%s]:: Registered OPP[%d] %lu\n", - domain, dom->name, idx, freq); + domain, dom->info.name, idx, freq); } return 0; } static int scmi_dvfs_transition_latency_get(const struct scmi_protocol_handle *ph, - struct device *dev) + u32 domain) { - int domain; struct perf_dom_info *dom; - domain = scmi_dev_domain_id(dev); - if (domain < 0) - return -EINVAL; - dom = scmi_perf_domain_lookup(ph, domain); if (IS_ERR(dom)) return PTR_ERR(dom); @@ -923,15 +917,10 @@ static int scmi_dvfs_est_power_get(const struct scmi_protocol_handle *ph, } static bool scmi_fast_switch_possible(const struct scmi_protocol_handle *ph, - struct device *dev) + u32 domain) { - int domain; struct perf_dom_info *dom; - domain = scmi_dev_domain_id(dev); - if (domain < 0) - return false; - dom = scmi_perf_domain_lookup(ph, domain); if (IS_ERR(dom)) return false; @@ -948,11 +937,12 @@ scmi_power_scale_get(const struct scmi_protocol_handle *ph) } static const struct scmi_perf_proto_ops perf_proto_ops = { + .num_domains_get = scmi_perf_num_domains_get, + .info_get = scmi_perf_info_get, .limits_set = scmi_perf_limits_set, .limits_get = scmi_perf_limits_get, .level_set = scmi_perf_level_set, .level_get = scmi_perf_level_get, - .device_domain_id = scmi_dev_domain_id, .transition_latency_get = scmi_dvfs_transition_latency_get, .device_opps_add = scmi_dvfs_device_opps_add, .freq_set = scmi_dvfs_freq_set, diff --git a/drivers/firmware/arm_scmi/powercap.c b/drivers/firmware/arm_scmi/powercap.c index 244929cb4f3e..cb5617443a14 100644 --- a/drivers/firmware/arm_scmi/powercap.c +++ b/drivers/firmware/arm_scmi/powercap.c @@ -360,8 +360,8 @@ static int scmi_powercap_xfer_cap_set(const struct scmi_protocol_handle *ph, msg = t->tx.buf; msg->domain = cpu_to_le32(pc->id); msg->flags = - cpu_to_le32(FIELD_PREP(CAP_SET_ASYNC, !!pc->async_powercap_cap_set) | - FIELD_PREP(CAP_SET_IGNORE_DRESP, !!ignore_dresp)); + cpu_to_le32(FIELD_PREP(CAP_SET_ASYNC, pc->async_powercap_cap_set) | + FIELD_PREP(CAP_SET_IGNORE_DRESP, ignore_dresp)); msg->value = cpu_to_le32(power_cap); if (!pc->async_powercap_cap_set || ignore_dresp) { diff --git a/drivers/firmware/arm_scmi/smc.c b/drivers/firmware/arm_scmi/smc.c index c193516a254d..7611e9665038 100644 --- a/drivers/firmware/arm_scmi/smc.c +++ b/drivers/firmware/arm_scmi/smc.c @@ -15,6 +15,7 @@ #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_irq.h> +#include <linux/limits.h> #include <linux/processor.h> #include <linux/slab.h> @@ -50,6 +51,8 @@ * @func_id: smc/hvc call function id * @param_page: 4K page number of the shmem channel * @param_offset: Offset within the 4K page of the shmem channel + * @cap_id: smc/hvc doorbell's capability id to be used on Qualcomm virtual + * platforms */ struct scmi_smc { @@ -60,9 +63,10 @@ struct scmi_smc { struct mutex shmem_lock; #define INFLIGHT_NONE MSG_TOKEN_MAX atomic_t inflight; - u32 func_id; - u32 param_page; - u32 param_offset; + unsigned long func_id; + unsigned long param_page; + unsigned long param_offset; + unsigned long cap_id; }; static irqreturn_t smc_msg_done_isr(int irq, void *data) @@ -124,6 +128,7 @@ static int smc_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, bool tx) { struct device *cdev = cinfo->dev; + unsigned long cap_id = ULONG_MAX; struct scmi_smc *scmi_info; resource_size_t size; struct resource res; @@ -162,6 +167,18 @@ static int smc_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, if (ret < 0) return ret; + if (of_device_is_compatible(dev->of_node, "qcom,scmi-smc")) { + void __iomem *ptr = (void __iomem *)scmi_info->shmem + size - 8; + /* The capability-id is kept in last 8 bytes of shmem. + * +-------+ <-- 0 + * | shmem | + * +-------+ <-- size - 8 + * | capId | + * +-------+ <-- size + */ + memcpy_fromio(&cap_id, ptr, sizeof(cap_id)); + } + if (of_device_is_compatible(dev->of_node, "arm,scmi-smc-param")) { scmi_info->param_page = SHMEM_PAGE(res.start); scmi_info->param_offset = SHMEM_OFFSET(res.start); @@ -184,6 +201,7 @@ static int smc_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, } scmi_info->func_id = func_id; + scmi_info->cap_id = cap_id; scmi_info->cinfo = cinfo; smc_channel_lock_init(scmi_info); cinfo->transport_info = scmi_info; @@ -211,8 +229,6 @@ static int smc_send_message(struct scmi_chan_info *cinfo, { struct scmi_smc *scmi_info = cinfo->transport_info; struct arm_smccc_res res; - unsigned long page = scmi_info->param_page; - unsigned long offset = scmi_info->param_offset; /* * Channel will be released only once response has been @@ -222,8 +238,13 @@ static int smc_send_message(struct scmi_chan_info *cinfo, shmem_tx_prepare(scmi_info->shmem, xfer, cinfo); - arm_smccc_1_1_invoke(scmi_info->func_id, page, offset, 0, 0, 0, 0, 0, - &res); + if (scmi_info->cap_id != ULONG_MAX) + arm_smccc_1_1_invoke(scmi_info->func_id, scmi_info->cap_id, 0, + 0, 0, 0, 0, 0, &res); + else + arm_smccc_1_1_invoke(scmi_info->func_id, scmi_info->param_page, + scmi_info->param_offset, 0, 0, 0, 0, 0, + &res); /* Only SMCCC_RET_NOT_SUPPORTED is valid error code */ if (res.a0) { diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c index 435d0e2658a4..3f123f592cb4 100644 --- a/drivers/firmware/arm_scpi.c +++ b/drivers/firmware/arm_scpi.c @@ -26,9 +26,12 @@ #include <linux/list.h> #include <linux/mailbox_client.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/of_address.h> #include <linux/of_platform.h> +#include <linux/platform_device.h> #include <linux/printk.h> +#include <linux/property.h> #include <linux/pm_opp.h> #include <linux/scpi_protocol.h> #include <linux/slab.h> @@ -894,11 +897,6 @@ static int scpi_alloc_xfer_list(struct device *dev, struct scpi_chan *ch) return 0; } -static const struct of_device_id legacy_scpi_of_match[] = { - {.compatible = "arm,scpi-pre-1.0"}, - {}, -}; - static const struct of_device_id shmem_of_match[] __maybe_unused = { { .compatible = "amlogic,meson-gxbb-scp-shmem", }, { .compatible = "amlogic,meson-axg-scp-shmem", }, @@ -919,8 +917,7 @@ static int scpi_probe(struct platform_device *pdev) if (!scpi_drvinfo) return -ENOMEM; - if (of_match_device(legacy_scpi_of_match, &pdev->dev)) - scpi_drvinfo->is_legacy = true; + scpi_drvinfo->is_legacy = !!device_get_match_data(dev); count = of_count_phandle_with_args(np, "mboxes", "#mbox-cells"); if (count < 0) { @@ -1038,7 +1035,7 @@ static int scpi_probe(struct platform_device *pdev) static const struct of_device_id scpi_of_match[] = { {.compatible = "arm,scpi"}, - {.compatible = "arm,scpi-pre-1.0"}, + {.compatible = "arm,scpi-pre-1.0", .data = (void *)1UL }, {}, }; diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c index 9a2656d73600..ed60f1103053 100644 --- a/drivers/firmware/meson/meson_sm.c +++ b/drivers/firmware/meson/meson_sm.c @@ -13,9 +13,10 @@ #include <linux/io.h> #include <linux/module.h> #include <linux/of.h> -#include <linux/of_device.h> +#include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/printk.h> +#include <linux/property.h> #include <linux/types.h> #include <linux/sizes.h> #include <linux/slab.h> @@ -67,7 +68,7 @@ static u32 meson_sm_get_cmd(const struct meson_sm_chip *chip, return cmd->smc_id; } -static u32 __meson_sm_call(u32 cmd, u32 arg0, u32 arg1, u32 arg2, +static s32 __meson_sm_call(u32 cmd, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4) { struct arm_smccc_res res; @@ -102,9 +103,10 @@ static void __iomem *meson_sm_map_shmem(u32 cmd_shmem, unsigned int size) * Return: 0 on success, a negative value on error */ int meson_sm_call(struct meson_sm_firmware *fw, unsigned int cmd_index, - u32 *ret, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4) + s32 *ret, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4) { - u32 cmd, lret; + u32 cmd; + s32 lret; if (!fw->chip) return -ENOENT; @@ -143,7 +145,7 @@ int meson_sm_call_read(struct meson_sm_firmware *fw, void *buffer, unsigned int bsize, unsigned int cmd_index, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4) { - u32 size; + s32 size; int ret; if (!fw->chip) @@ -158,11 +160,16 @@ int meson_sm_call_read(struct meson_sm_firmware *fw, void *buffer, if (meson_sm_call(fw, cmd_index, &size, arg0, arg1, arg2, arg3, arg4) < 0) return -EINVAL; - if (size > bsize) + if (size < 0 || size > bsize) return -EINVAL; ret = size; + /* In some cases (for example GET_CHIP_ID command), + * SMC doesn't return the number of bytes read, even + * though the bytes were actually read into sm_shmem_out. + * So this check is needed. + */ if (!size) size = bsize; @@ -192,7 +199,7 @@ int meson_sm_call_write(struct meson_sm_firmware *fw, void *buffer, unsigned int size, unsigned int cmd_index, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4) { - u32 written; + s32 written; if (!fw->chip) return -ENOENT; @@ -208,7 +215,7 @@ int meson_sm_call_write(struct meson_sm_firmware *fw, void *buffer, if (meson_sm_call(fw, cmd_index, &written, arg0, arg1, arg2, arg3, arg4) < 0) return -EINVAL; - if (!written) + if (written <= 0 || written > size) return -EINVAL; return written; @@ -291,7 +298,7 @@ static int __init meson_sm_probe(struct platform_device *pdev) if (!fw) return -ENOMEM; - chip = of_match_device(meson_sm_ids, dev)->data; + chip = device_get_match_data(dev); if (!chip) return -EINVAL; diff --git a/drivers/firmware/qcom/Kconfig b/drivers/firmware/qcom/Kconfig new file mode 100644 index 000000000000..3f05d9854ddf --- /dev/null +++ b/drivers/firmware/qcom/Kconfig @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# For a description of the syntax of this configuration file, +# see Documentation/kbuild/kconfig-language.rst. +# + +menu "Qualcomm firmware drivers" + +config QCOM_SCM + tristate + +config QCOM_SCM_DOWNLOAD_MODE_DEFAULT + bool "Qualcomm download mode enabled by default" + depends on QCOM_SCM + help + A device with "download mode" enabled will upon an unexpected + warm-restart enter a special debug mode that allows the user to + "download" memory content over USB for offline postmortem analysis. + The feature can be enabled/disabled on the kernel command line. + + Say Y here to enable "download mode" by default. + +config QCOM_QSEECOM + bool "Qualcomm QSEECOM interface driver" + depends on QCOM_SCM=y + select AUXILIARY_BUS + help + Various Qualcomm SoCs have a Secure Execution Environment (SEE) running + in the Trust Zone. This module provides an interface to that via the + QSEECOM mechanism, using SCM calls. + + The QSEECOM interface allows, among other things, access to applications + running in the SEE. An example of such an application is 'uefisecapp', + which is required to access UEFI variables on certain systems. If + selected, the interface will also attempt to detect and register client + devices for supported applications. + + Select Y here to enable the QSEECOM interface driver. + +config QCOM_QSEECOM_UEFISECAPP + bool "Qualcomm SEE UEFI Secure App client driver" + depends on QCOM_QSEECOM + depends on EFI + help + Various Qualcomm SoCs do not allow direct access to EFI variables. + Instead, these need to be accessed via the UEFI Secure Application + (uefisecapp), residing in the Secure Execution Environment (SEE). + + This module provides a client driver for uefisecapp, installing efivar + operations to allow the kernel accessing EFI variables, and via that also + provide user-space with access to EFI variables via efivarfs. + + Select Y here to provide access to EFI variables on the aforementioned + platforms. + +endmenu diff --git a/drivers/firmware/qcom/Makefile b/drivers/firmware/qcom/Makefile new file mode 100644 index 000000000000..c9f12ee8224a --- /dev/null +++ b/drivers/firmware/qcom/Makefile @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the linux kernel. +# + +obj-$(CONFIG_QCOM_SCM) += qcom-scm.o +qcom-scm-objs += qcom_scm.o qcom_scm-smc.o qcom_scm-legacy.o +obj-$(CONFIG_QCOM_QSEECOM) += qcom_qseecom.o +obj-$(CONFIG_QCOM_QSEECOM_UEFISECAPP) += qcom_qseecom_uefisecapp.o diff --git a/drivers/firmware/qcom/qcom_qseecom.c b/drivers/firmware/qcom/qcom_qseecom.c new file mode 100644 index 000000000000..731e6d5719f9 --- /dev/null +++ b/drivers/firmware/qcom/qcom_qseecom.c @@ -0,0 +1,120 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Driver for Qualcomm Secure Execution Environment (SEE) interface (QSEECOM). + * Responsible for setting up and managing QSEECOM client devices. + * + * Copyright (C) 2023 Maximilian Luz <luzmaximilian@gmail.com> + */ +#include <linux/auxiliary_bus.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/types.h> + +#include <linux/firmware/qcom/qcom_qseecom.h> +#include <linux/firmware/qcom/qcom_scm.h> + +struct qseecom_app_desc { + const char *app_name; + const char *dev_name; +}; + +static void qseecom_client_release(struct device *dev) +{ + struct qseecom_client *client; + + client = container_of(dev, struct qseecom_client, aux_dev.dev); + kfree(client); +} + +static void qseecom_client_remove(void *data) +{ + struct qseecom_client *client = data; + + auxiliary_device_delete(&client->aux_dev); + auxiliary_device_uninit(&client->aux_dev); +} + +static int qseecom_client_register(struct platform_device *qseecom_dev, + const struct qseecom_app_desc *desc) +{ + struct qseecom_client *client; + u32 app_id; + int ret; + + /* Try to find the app ID, skip device if not found */ + ret = qcom_scm_qseecom_app_get_id(desc->app_name, &app_id); + if (ret) + return ret == -ENOENT ? 0 : ret; + + dev_info(&qseecom_dev->dev, "setting up client for %s\n", desc->app_name); + + /* Allocate and set-up the client device */ + client = kzalloc(sizeof(*client), GFP_KERNEL); + if (!client) + return -ENOMEM; + + client->aux_dev.name = desc->dev_name; + client->aux_dev.dev.parent = &qseecom_dev->dev; + client->aux_dev.dev.release = qseecom_client_release; + client->app_id = app_id; + + ret = auxiliary_device_init(&client->aux_dev); + if (ret) { + kfree(client); + return ret; + } + + ret = auxiliary_device_add(&client->aux_dev); + if (ret) { + auxiliary_device_uninit(&client->aux_dev); + return ret; + } + + ret = devm_add_action_or_reset(&qseecom_dev->dev, qseecom_client_remove, client); + if (ret) + return ret; + + return 0; +} + +/* + * List of supported applications. One client device will be created per entry, + * assuming the app has already been loaded (usually by firmware bootloaders) + * and its ID can be queried successfully. + */ +static const struct qseecom_app_desc qcom_qseecom_apps[] = { + { "qcom.tz.uefisecapp", "uefisecapp" }, +}; + +static int qcom_qseecom_probe(struct platform_device *qseecom_dev) +{ + int ret; + int i; + + /* Set up client devices for each base application */ + for (i = 0; i < ARRAY_SIZE(qcom_qseecom_apps); i++) { + ret = qseecom_client_register(qseecom_dev, &qcom_qseecom_apps[i]); + if (ret) + return ret; + } + + return 0; +} + +static struct platform_driver qcom_qseecom_driver = { + .driver = { + .name = "qcom_qseecom", + }, + .probe = qcom_qseecom_probe, +}; + +static int __init qcom_qseecom_init(void) +{ + return platform_driver_register(&qcom_qseecom_driver); +} +subsys_initcall(qcom_qseecom_init); + +MODULE_AUTHOR("Maximilian Luz <luzmaximilian@gmail.com>"); +MODULE_DESCRIPTION("Driver for the Qualcomm SEE (QSEECOM) interface"); +MODULE_LICENSE("GPL"); diff --git a/drivers/firmware/qcom/qcom_qseecom_uefisecapp.c b/drivers/firmware/qcom/qcom_qseecom_uefisecapp.c new file mode 100644 index 000000000000..a33acdaf7b78 --- /dev/null +++ b/drivers/firmware/qcom/qcom_qseecom_uefisecapp.c @@ -0,0 +1,871 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Client driver for Qualcomm UEFI Secure Application (qcom.tz.uefisecapp). + * Provides access to UEFI variables on platforms where they are secured by the + * aforementioned Secure Execution Environment (SEE) application. + * + * Copyright (C) 2023 Maximilian Luz <luzmaximilian@gmail.com> + */ + +#include <linux/efi.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <linux/ucs2_string.h> + +#include <linux/firmware/qcom/qcom_qseecom.h> + +/* -- Qualcomm "uefisecapp" interface definitions. -------------------------- */ + +/* Maximum length of name string with null-terminator */ +#define QSEE_MAX_NAME_LEN 1024 + +#define QSEE_CMD_UEFI(x) (0x8000 | (x)) +#define QSEE_CMD_UEFI_GET_VARIABLE QSEE_CMD_UEFI(0) +#define QSEE_CMD_UEFI_SET_VARIABLE QSEE_CMD_UEFI(1) +#define QSEE_CMD_UEFI_GET_NEXT_VARIABLE QSEE_CMD_UEFI(2) +#define QSEE_CMD_UEFI_QUERY_VARIABLE_INFO QSEE_CMD_UEFI(3) + +/** + * struct qsee_req_uefi_get_variable - Request for GetVariable command. + * @command_id: The ID of the command. Must be %QSEE_CMD_UEFI_GET_VARIABLE. + * @length: Length of the request in bytes, including this struct and any + * parameters (name, GUID) stored after it as well as any padding + * thereof for alignment. + * @name_offset: Offset from the start of this struct to where the variable + * name is stored (as utf-16 string), in bytes. + * @name_size: Size of the name parameter in bytes, including null-terminator. + * @guid_offset: Offset from the start of this struct to where the GUID + * parameter is stored, in bytes. + * @guid_size: Size of the GUID parameter in bytes, i.e. sizeof(efi_guid_t). + * @data_size: Size of the output buffer, in bytes. + */ +struct qsee_req_uefi_get_variable { + u32 command_id; + u32 length; + u32 name_offset; + u32 name_size; + u32 guid_offset; + u32 guid_size; + u32 data_size; +} __packed; + +/** + * struct qsee_rsp_uefi_get_variable - Response for GetVariable command. + * @command_id: The ID of the command. Should be %QSEE_CMD_UEFI_GET_VARIABLE. + * @length: Length of the response in bytes, including this struct and the + * returned data. + * @status: Status of this command. + * @attributes: EFI variable attributes. + * @data_offset: Offset from the start of this struct to where the data is + * stored, in bytes. + * @data_size: Size of the returned data, in bytes. In case status indicates + * that the buffer is too small, this will be the size required + * to store the EFI variable data. + */ +struct qsee_rsp_uefi_get_variable { + u32 command_id; + u32 length; + u32 status; + u32 attributes; + u32 data_offset; + u32 data_size; +} __packed; + +/** + * struct qsee_req_uefi_set_variable - Request for the SetVariable command. + * @command_id: The ID of the command. Must be %QSEE_CMD_UEFI_SET_VARIABLE. + * @length: Length of the request in bytes, including this struct and any + * parameters (name, GUID, data) stored after it as well as any + * padding thereof required for alignment. + * @name_offset: Offset from the start of this struct to where the variable + * name is stored (as utf-16 string), in bytes. + * @name_size: Size of the name parameter in bytes, including null-terminator. + * @guid_offset: Offset from the start of this struct to where the GUID + * parameter is stored, in bytes. + * @guid_size: Size of the GUID parameter in bytes, i.e. sizeof(efi_guid_t). + * @attributes: The EFI variable attributes to set for this variable. + * @data_offset: Offset from the start of this struct to where the EFI variable + * data is stored, in bytes. + * @data_size: Size of EFI variable data, in bytes. + * + */ +struct qsee_req_uefi_set_variable { + u32 command_id; + u32 length; + u32 name_offset; + u32 name_size; + u32 guid_offset; + u32 guid_size; + u32 attributes; + u32 data_offset; + u32 data_size; +} __packed; + +/** + * struct qsee_rsp_uefi_set_variable - Response for the SetVariable command. + * @command_id: The ID of the command. Should be %QSEE_CMD_UEFI_SET_VARIABLE. + * @length: The length of this response, i.e. the size of this struct in + * bytes. + * @status: Status of this command. + * @_unknown1: Unknown response field. + * @_unknown2: Unknown response field. + */ +struct qsee_rsp_uefi_set_variable { + u32 command_id; + u32 length; + u32 status; + u32 _unknown1; + u32 _unknown2; +} __packed; + +/** + * struct qsee_req_uefi_get_next_variable - Request for the + * GetNextVariableName command. + * @command_id: The ID of the command. Must be + * %QSEE_CMD_UEFI_GET_NEXT_VARIABLE. + * @length: Length of the request in bytes, including this struct and any + * parameters (name, GUID) stored after it as well as any padding + * thereof for alignment. + * @guid_offset: Offset from the start of this struct to where the GUID + * parameter is stored, in bytes. + * @guid_size: Size of the GUID parameter in bytes, i.e. sizeof(efi_guid_t). + * @name_offset: Offset from the start of this struct to where the variable + * name is stored (as utf-16 string), in bytes. + * @name_size: Size of the name parameter in bytes, including null-terminator. + */ +struct qsee_req_uefi_get_next_variable { + u32 command_id; + u32 length; + u32 guid_offset; + u32 guid_size; + u32 name_offset; + u32 name_size; +} __packed; + +/** + * struct qsee_rsp_uefi_get_next_variable - Response for the + * GetNextVariableName command. + * @command_id: The ID of the command. Should be + * %QSEE_CMD_UEFI_GET_NEXT_VARIABLE. + * @length: Length of the response in bytes, including this struct and any + * parameters (name, GUID) stored after it as well as any padding + * thereof for alignment. + * @status: Status of this command. + * @guid_offset: Offset from the start of this struct to where the GUID + * parameter is stored, in bytes. + * @guid_size: Size of the GUID parameter in bytes, i.e. sizeof(efi_guid_t). + * @name_offset: Offset from the start of this struct to where the variable + * name is stored (as utf-16 string), in bytes. + * @name_size: Size of the name parameter in bytes, including null-terminator. + */ +struct qsee_rsp_uefi_get_next_variable { + u32 command_id; + u32 length; + u32 status; + u32 guid_offset; + u32 guid_size; + u32 name_offset; + u32 name_size; +} __packed; + +/** + * struct qsee_req_uefi_query_variable_info - Response for the + * GetNextVariableName command. + * @command_id: The ID of the command. Must be + * %QSEE_CMD_UEFI_QUERY_VARIABLE_INFO. + * @length: The length of this request, i.e. the size of this struct in + * bytes. + * @attributes: The storage attributes to query the info for. + */ +struct qsee_req_uefi_query_variable_info { + u32 command_id; + u32 length; + u32 attributes; +} __packed; + +/** + * struct qsee_rsp_uefi_query_variable_info - Response for the + * GetNextVariableName command. + * @command_id: The ID of the command. Must be + * %QSEE_CMD_UEFI_QUERY_VARIABLE_INFO. + * @length: The length of this response, i.e. the size of this + * struct in bytes. + * @status: Status of this command. + * @_pad: Padding. + * @storage_space: Full storage space size, in bytes. + * @remaining_space: Free storage space available, in bytes. + * @max_variable_size: Maximum variable data size, in bytes. + */ +struct qsee_rsp_uefi_query_variable_info { + u32 command_id; + u32 length; + u32 status; + u32 _pad; + u64 storage_space; + u64 remaining_space; + u64 max_variable_size; +} __packed; + +/* -- Alignment helpers ----------------------------------------------------- */ + +/* + * Helper macro to ensure proper alignment of types (fields and arrays) when + * stored in some (contiguous) buffer. + * + * Note: The driver from which this one has been reverse-engineered expects an + * alignment of 8 bytes (64 bits) for GUIDs. Our definition of efi_guid_t, + * however, has an alignment of 4 byte (32 bits). So far, this seems to work + * fine here. See also the comment on the typedef of efi_guid_t. + */ +#define qcuefi_buf_align_fields(fields...) \ + ({ \ + size_t __len = 0; \ + fields \ + __len; \ + }) + +#define __field_impl(size, align, offset) \ + ({ \ + size_t *__offset = (offset); \ + size_t __aligned; \ + \ + __aligned = ALIGN(__len, align); \ + __len = __aligned + (size); \ + \ + if (__offset) \ + *__offset = __aligned; \ + }); + +#define __array_offs(type, count, offset) \ + __field_impl(sizeof(type) * (count), __alignof__(type), offset) + +#define __array(type, count) __array_offs(type, count, NULL) +#define __field_offs(type, offset) __array_offs(type, 1, offset) +#define __field(type) __array_offs(type, 1, NULL) + +/* -- UEFI app interface. --------------------------------------------------- */ + +struct qcuefi_client { + struct qseecom_client *client; + struct efivars efivars; +}; + +static struct device *qcuefi_dev(struct qcuefi_client *qcuefi) +{ + return &qcuefi->client->aux_dev.dev; +} + +static efi_status_t qsee_uefi_status_to_efi(u32 status) +{ + u64 category = status & 0xf0000000; + u64 code = status & 0x0fffffff; + + return category << (BITS_PER_LONG - 32) | code; +} + +static efi_status_t qsee_uefi_get_variable(struct qcuefi_client *qcuefi, const efi_char16_t *name, + const efi_guid_t *guid, u32 *attributes, + unsigned long *data_size, void *data) +{ + struct qsee_req_uefi_get_variable *req_data; + struct qsee_rsp_uefi_get_variable *rsp_data; + unsigned long buffer_size = *data_size; + efi_status_t efi_status = EFI_SUCCESS; + unsigned long name_length; + size_t guid_offs; + size_t name_offs; + size_t req_size; + size_t rsp_size; + ssize_t status; + + if (!name || !guid) + return EFI_INVALID_PARAMETER; + + name_length = ucs2_strnlen(name, QSEE_MAX_NAME_LEN) + 1; + if (name_length > QSEE_MAX_NAME_LEN) + return EFI_INVALID_PARAMETER; + + if (buffer_size && !data) + return EFI_INVALID_PARAMETER; + + req_size = qcuefi_buf_align_fields( + __field(*req_data) + __array_offs(*name, name_length, &name_offs) + __field_offs(*guid, &guid_offs) + ); + + rsp_size = qcuefi_buf_align_fields( + __field(*rsp_data) + __array(u8, buffer_size) + ); + + req_data = kzalloc(req_size, GFP_KERNEL); + if (!req_data) { + efi_status = EFI_OUT_OF_RESOURCES; + goto out; + } + + rsp_data = kzalloc(rsp_size, GFP_KERNEL); + if (!rsp_data) { + efi_status = EFI_OUT_OF_RESOURCES; + goto out_free_req; + } + + req_data->command_id = QSEE_CMD_UEFI_GET_VARIABLE; + req_data->data_size = buffer_size; + req_data->name_offset = name_offs; + req_data->name_size = name_length * sizeof(*name); + req_data->guid_offset = guid_offs; + req_data->guid_size = sizeof(*guid); + req_data->length = req_size; + + status = ucs2_strscpy(((void *)req_data) + req_data->name_offset, name, name_length); + if (status < 0) + return EFI_INVALID_PARAMETER; + + memcpy(((void *)req_data) + req_data->guid_offset, guid, req_data->guid_size); + + status = qcom_qseecom_app_send(qcuefi->client, req_data, req_size, rsp_data, rsp_size); + if (status) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->command_id != QSEE_CMD_UEFI_GET_VARIABLE) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->length < sizeof(*rsp_data)) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->status) { + dev_dbg(qcuefi_dev(qcuefi), "%s: uefisecapp error: 0x%x\n", + __func__, rsp_data->status); + efi_status = qsee_uefi_status_to_efi(rsp_data->status); + + /* Update size and attributes in case buffer is too small. */ + if (efi_status == EFI_BUFFER_TOO_SMALL) { + *data_size = rsp_data->data_size; + if (attributes) + *attributes = rsp_data->attributes; + } + + goto out_free; + } + + if (rsp_data->length > rsp_size) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->data_offset + rsp_data->data_size > rsp_data->length) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + /* + * Note: We need to set attributes and data size even if the buffer is + * too small and we won't copy any data. This is described in spec, so + * that callers can either allocate a buffer properly (with two calls + * to this function) or just read back attributes withouth having to + * deal with that. + * + * Specifically: + * - If we have a buffer size of zero and no buffer, just return the + * attributes, required size, and indicate success. + * - If the buffer size is nonzero but too small, indicate that as an + * error. + * - Otherwise, we are good to copy the data. + * + * Note that we have already ensured above that the buffer pointer is + * non-NULL if its size is nonzero. + */ + *data_size = rsp_data->data_size; + if (attributes) + *attributes = rsp_data->attributes; + + if (buffer_size == 0 && !data) { + efi_status = EFI_SUCCESS; + goto out_free; + } + + if (buffer_size < rsp_data->data_size) { + efi_status = EFI_BUFFER_TOO_SMALL; + goto out_free; + } + + memcpy(data, ((void *)rsp_data) + rsp_data->data_offset, rsp_data->data_size); + +out_free: + kfree(rsp_data); +out_free_req: + kfree(req_data); +out: + return efi_status; +} + +static efi_status_t qsee_uefi_set_variable(struct qcuefi_client *qcuefi, const efi_char16_t *name, + const efi_guid_t *guid, u32 attributes, + unsigned long data_size, const void *data) +{ + struct qsee_req_uefi_set_variable *req_data; + struct qsee_rsp_uefi_set_variable *rsp_data; + efi_status_t efi_status = EFI_SUCCESS; + unsigned long name_length; + size_t name_offs; + size_t guid_offs; + size_t data_offs; + size_t req_size; + ssize_t status; + + if (!name || !guid) + return EFI_INVALID_PARAMETER; + + name_length = ucs2_strnlen(name, QSEE_MAX_NAME_LEN) + 1; + if (name_length > QSEE_MAX_NAME_LEN) + return EFI_INVALID_PARAMETER; + + /* + * Make sure we have some data if data_size is nonzero. Note that using + * a size of zero is a valid use-case described in spec and deletes the + * variable. + */ + if (data_size && !data) + return EFI_INVALID_PARAMETER; + + req_size = qcuefi_buf_align_fields( + __field(*req_data) + __array_offs(*name, name_length, &name_offs) + __field_offs(*guid, &guid_offs) + __array_offs(u8, data_size, &data_offs) + ); + + req_data = kzalloc(req_size, GFP_KERNEL); + if (!req_data) { + efi_status = EFI_OUT_OF_RESOURCES; + goto out; + } + + rsp_data = kzalloc(sizeof(*rsp_data), GFP_KERNEL); + if (!rsp_data) { + efi_status = EFI_OUT_OF_RESOURCES; + goto out_free_req; + } + + req_data->command_id = QSEE_CMD_UEFI_SET_VARIABLE; + req_data->attributes = attributes; + req_data->name_offset = name_offs; + req_data->name_size = name_length * sizeof(*name); + req_data->guid_offset = guid_offs; + req_data->guid_size = sizeof(*guid); + req_data->data_offset = data_offs; + req_data->data_size = data_size; + req_data->length = req_size; + + status = ucs2_strscpy(((void *)req_data) + req_data->name_offset, name, name_length); + if (status < 0) + return EFI_INVALID_PARAMETER; + + memcpy(((void *)req_data) + req_data->guid_offset, guid, req_data->guid_size); + + if (data_size) + memcpy(((void *)req_data) + req_data->data_offset, data, req_data->data_size); + + status = qcom_qseecom_app_send(qcuefi->client, req_data, req_size, rsp_data, + sizeof(*rsp_data)); + if (status) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->command_id != QSEE_CMD_UEFI_SET_VARIABLE) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->length != sizeof(*rsp_data)) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->status) { + dev_dbg(qcuefi_dev(qcuefi), "%s: uefisecapp error: 0x%x\n", + __func__, rsp_data->status); + efi_status = qsee_uefi_status_to_efi(rsp_data->status); + } + +out_free: + kfree(rsp_data); +out_free_req: + kfree(req_data); +out: + return efi_status; +} + +static efi_status_t qsee_uefi_get_next_variable(struct qcuefi_client *qcuefi, + unsigned long *name_size, efi_char16_t *name, + efi_guid_t *guid) +{ + struct qsee_req_uefi_get_next_variable *req_data; + struct qsee_rsp_uefi_get_next_variable *rsp_data; + efi_status_t efi_status = EFI_SUCCESS; + size_t guid_offs; + size_t name_offs; + size_t req_size; + size_t rsp_size; + ssize_t status; + + if (!name_size || !name || !guid) + return EFI_INVALID_PARAMETER; + + if (*name_size == 0) + return EFI_INVALID_PARAMETER; + + req_size = qcuefi_buf_align_fields( + __field(*req_data) + __field_offs(*guid, &guid_offs) + __array_offs(*name, *name_size / sizeof(*name), &name_offs) + ); + + rsp_size = qcuefi_buf_align_fields( + __field(*rsp_data) + __field(*guid) + __array(*name, *name_size / sizeof(*name)) + ); + + req_data = kzalloc(req_size, GFP_KERNEL); + if (!req_data) { + efi_status = EFI_OUT_OF_RESOURCES; + goto out; + } + + rsp_data = kzalloc(rsp_size, GFP_KERNEL); + if (!rsp_data) { + efi_status = EFI_OUT_OF_RESOURCES; + goto out_free_req; + } + + req_data->command_id = QSEE_CMD_UEFI_GET_NEXT_VARIABLE; + req_data->guid_offset = guid_offs; + req_data->guid_size = sizeof(*guid); + req_data->name_offset = name_offs; + req_data->name_size = *name_size; + req_data->length = req_size; + + memcpy(((void *)req_data) + req_data->guid_offset, guid, req_data->guid_size); + status = ucs2_strscpy(((void *)req_data) + req_data->name_offset, name, + *name_size / sizeof(*name)); + if (status < 0) + return EFI_INVALID_PARAMETER; + + status = qcom_qseecom_app_send(qcuefi->client, req_data, req_size, rsp_data, rsp_size); + if (status) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->command_id != QSEE_CMD_UEFI_GET_NEXT_VARIABLE) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->length < sizeof(*rsp_data)) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->status) { + dev_dbg(qcuefi_dev(qcuefi), "%s: uefisecapp error: 0x%x\n", + __func__, rsp_data->status); + efi_status = qsee_uefi_status_to_efi(rsp_data->status); + + /* + * If the buffer to hold the name is too small, update the + * name_size with the required size, so that callers can + * reallocate it accordingly. + */ + if (efi_status == EFI_BUFFER_TOO_SMALL) + *name_size = rsp_data->name_size; + + goto out_free; + } + + if (rsp_data->length > rsp_size) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->name_offset + rsp_data->name_size > rsp_data->length) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->guid_offset + rsp_data->guid_size > rsp_data->length) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->name_size > *name_size) { + *name_size = rsp_data->name_size; + efi_status = EFI_BUFFER_TOO_SMALL; + goto out_free; + } + + if (rsp_data->guid_size != sizeof(*guid)) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + memcpy(guid, ((void *)rsp_data) + rsp_data->guid_offset, rsp_data->guid_size); + status = ucs2_strscpy(name, ((void *)rsp_data) + rsp_data->name_offset, + rsp_data->name_size / sizeof(*name)); + *name_size = rsp_data->name_size; + + if (status < 0) { + /* + * Return EFI_DEVICE_ERROR here because the buffer size should + * have already been validated above, causing this function to + * bail with EFI_BUFFER_TOO_SMALL. + */ + return EFI_DEVICE_ERROR; + } + +out_free: + kfree(rsp_data); +out_free_req: + kfree(req_data); +out: + return efi_status; +} + +static efi_status_t qsee_uefi_query_variable_info(struct qcuefi_client *qcuefi, u32 attr, + u64 *storage_space, u64 *remaining_space, + u64 *max_variable_size) +{ + struct qsee_req_uefi_query_variable_info *req_data; + struct qsee_rsp_uefi_query_variable_info *rsp_data; + efi_status_t efi_status = EFI_SUCCESS; + int status; + + req_data = kzalloc(sizeof(*req_data), GFP_KERNEL); + if (!req_data) { + efi_status = EFI_OUT_OF_RESOURCES; + goto out; + } + + rsp_data = kzalloc(sizeof(*rsp_data), GFP_KERNEL); + if (!rsp_data) { + efi_status = EFI_OUT_OF_RESOURCES; + goto out_free_req; + } + + req_data->command_id = QSEE_CMD_UEFI_QUERY_VARIABLE_INFO; + req_data->attributes = attr; + req_data->length = sizeof(*req_data); + + status = qcom_qseecom_app_send(qcuefi->client, req_data, sizeof(*req_data), rsp_data, + sizeof(*rsp_data)); + if (status) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->command_id != QSEE_CMD_UEFI_QUERY_VARIABLE_INFO) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->length != sizeof(*rsp_data)) { + efi_status = EFI_DEVICE_ERROR; + goto out_free; + } + + if (rsp_data->status) { + dev_dbg(qcuefi_dev(qcuefi), "%s: uefisecapp error: 0x%x\n", + __func__, rsp_data->status); + efi_status = qsee_uefi_status_to_efi(rsp_data->status); + goto out_free; + } + + if (storage_space) + *storage_space = rsp_data->storage_space; + + if (remaining_space) + *remaining_space = rsp_data->remaining_space; + + if (max_variable_size) + *max_variable_size = rsp_data->max_variable_size; + +out_free: + kfree(rsp_data); +out_free_req: + kfree(req_data); +out: + return efi_status; +} + +/* -- Global efivar interface. ---------------------------------------------- */ + +static struct qcuefi_client *__qcuefi; +static DEFINE_MUTEX(__qcuefi_lock); + +static int qcuefi_set_reference(struct qcuefi_client *qcuefi) +{ + mutex_lock(&__qcuefi_lock); + + if (qcuefi && __qcuefi) { + mutex_unlock(&__qcuefi_lock); + return -EEXIST; + } + + __qcuefi = qcuefi; + + mutex_unlock(&__qcuefi_lock); + return 0; +} + +static struct qcuefi_client *qcuefi_acquire(void) +{ + mutex_lock(&__qcuefi_lock); + return __qcuefi; +} + +static void qcuefi_release(void) +{ + mutex_unlock(&__qcuefi_lock); +} + +static efi_status_t qcuefi_get_variable(efi_char16_t *name, efi_guid_t *vendor, u32 *attr, + unsigned long *data_size, void *data) +{ + struct qcuefi_client *qcuefi; + efi_status_t status; + + qcuefi = qcuefi_acquire(); + if (!qcuefi) + return EFI_NOT_READY; + + status = qsee_uefi_get_variable(qcuefi, name, vendor, attr, data_size, data); + + qcuefi_release(); + return status; +} + +static efi_status_t qcuefi_set_variable(efi_char16_t *name, efi_guid_t *vendor, + u32 attr, unsigned long data_size, void *data) +{ + struct qcuefi_client *qcuefi; + efi_status_t status; + + qcuefi = qcuefi_acquire(); + if (!qcuefi) + return EFI_NOT_READY; + + status = qsee_uefi_set_variable(qcuefi, name, vendor, attr, data_size, data); + + qcuefi_release(); + return status; +} + +static efi_status_t qcuefi_get_next_variable(unsigned long *name_size, efi_char16_t *name, + efi_guid_t *vendor) +{ + struct qcuefi_client *qcuefi; + efi_status_t status; + + qcuefi = qcuefi_acquire(); + if (!qcuefi) + return EFI_NOT_READY; + + status = qsee_uefi_get_next_variable(qcuefi, name_size, name, vendor); + + qcuefi_release(); + return status; +} + +static efi_status_t qcuefi_query_variable_info(u32 attr, u64 *storage_space, u64 *remaining_space, + u64 *max_variable_size) +{ + struct qcuefi_client *qcuefi; + efi_status_t status; + + qcuefi = qcuefi_acquire(); + if (!qcuefi) + return EFI_NOT_READY; + + status = qsee_uefi_query_variable_info(qcuefi, attr, storage_space, remaining_space, + max_variable_size); + + qcuefi_release(); + return status; +} + +static const struct efivar_operations qcom_efivar_ops = { + .get_variable = qcuefi_get_variable, + .set_variable = qcuefi_set_variable, + .get_next_variable = qcuefi_get_next_variable, + .query_variable_info = qcuefi_query_variable_info, +}; + +/* -- Driver setup. --------------------------------------------------------- */ + +static int qcom_uefisecapp_probe(struct auxiliary_device *aux_dev, + const struct auxiliary_device_id *aux_dev_id) +{ + struct qcuefi_client *qcuefi; + int status; + + qcuefi = devm_kzalloc(&aux_dev->dev, sizeof(*qcuefi), GFP_KERNEL); + if (!qcuefi) + return -ENOMEM; + + qcuefi->client = container_of(aux_dev, struct qseecom_client, aux_dev); + + auxiliary_set_drvdata(aux_dev, qcuefi); + status = qcuefi_set_reference(qcuefi); + if (status) + return status; + + status = efivars_register(&qcuefi->efivars, &qcom_efivar_ops); + if (status) + qcuefi_set_reference(NULL); + + return status; +} + +static void qcom_uefisecapp_remove(struct auxiliary_device *aux_dev) +{ + struct qcuefi_client *qcuefi = auxiliary_get_drvdata(aux_dev); + + efivars_unregister(&qcuefi->efivars); + qcuefi_set_reference(NULL); +} + +static const struct auxiliary_device_id qcom_uefisecapp_id_table[] = { + { .name = "qcom_qseecom.uefisecapp" }, + {} +}; +MODULE_DEVICE_TABLE(auxiliary, qcom_uefisecapp_id_table); + +static struct auxiliary_driver qcom_uefisecapp_driver = { + .probe = qcom_uefisecapp_probe, + .remove = qcom_uefisecapp_remove, + .id_table = qcom_uefisecapp_id_table, + .driver = { + .name = "qcom_qseecom_uefisecapp", + .probe_type = PROBE_PREFER_ASYNCHRONOUS, + }, +}; +module_auxiliary_driver(qcom_uefisecapp_driver); + +MODULE_AUTHOR("Maximilian Luz <luzmaximilian@gmail.com>"); +MODULE_DESCRIPTION("Client driver for Qualcomm SEE UEFI Secure App"); +MODULE_LICENSE("GPL"); diff --git a/drivers/firmware/qcom_scm-legacy.c b/drivers/firmware/qcom/qcom_scm-legacy.c index 029e6d117cb8..029e6d117cb8 100644 --- a/drivers/firmware/qcom_scm-legacy.c +++ b/drivers/firmware/qcom/qcom_scm-legacy.c diff --git a/drivers/firmware/qcom_scm-smc.c b/drivers/firmware/qcom/qcom_scm-smc.c index 16cf88acfa8e..16cf88acfa8e 100644 --- a/drivers/firmware/qcom_scm-smc.c +++ b/drivers/firmware/qcom/qcom_scm-smc.c diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index 06fe8aca870d..520de9b5633a 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -2,24 +2,25 @@ /* Copyright (c) 2010,2015,2019 The Linux Foundation. All rights reserved. * Copyright (C) 2015 Linaro Ltd. */ -#include <linux/platform_device.h> -#include <linux/init.h> -#include <linux/interrupt.h> + +#include <linux/arm-smccc.h> +#include <linux/clk.h> #include <linux/completion.h> #include <linux/cpumask.h> -#include <linux/export.h> #include <linux/dma-mapping.h> +#include <linux/export.h> +#include <linux/firmware/qcom/qcom_scm.h> +#include <linux/init.h> #include <linux/interconnect.h> +#include <linux/interrupt.h> #include <linux/module.h> -#include <linux/types.h> -#include <linux/firmware/qcom/qcom_scm.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_platform.h> -#include <linux/clk.h> +#include <linux/platform_device.h> #include <linux/reset-controller.h> -#include <linux/arm-smccc.h> +#include <linux/types.h> #include "qcom_scm.h" @@ -55,6 +56,53 @@ struct qcom_scm_mem_map_info { __le64 mem_size; }; +/** + * struct qcom_scm_qseecom_resp - QSEECOM SCM call response. + * @result: Result or status of the SCM call. See &enum qcom_scm_qseecom_result. + * @resp_type: Type of the response. See &enum qcom_scm_qseecom_resp_type. + * @data: Response data. The type of this data is given in @resp_type. + */ +struct qcom_scm_qseecom_resp { + u64 result; + u64 resp_type; + u64 data; +}; + +enum qcom_scm_qseecom_result { + QSEECOM_RESULT_SUCCESS = 0, + QSEECOM_RESULT_INCOMPLETE = 1, + QSEECOM_RESULT_BLOCKED_ON_LISTENER = 2, + QSEECOM_RESULT_FAILURE = 0xFFFFFFFF, +}; + +enum qcom_scm_qseecom_resp_type { + QSEECOM_SCM_RES_APP_ID = 0xEE01, + QSEECOM_SCM_RES_QSEOS_LISTENER_ID = 0xEE02, +}; + +enum qcom_scm_qseecom_tz_owner { + QSEECOM_TZ_OWNER_SIP = 2, + QSEECOM_TZ_OWNER_TZ_APPS = 48, + QSEECOM_TZ_OWNER_QSEE_OS = 50 +}; + +enum qcom_scm_qseecom_tz_svc { + QSEECOM_TZ_SVC_APP_ID_PLACEHOLDER = 0, + QSEECOM_TZ_SVC_APP_MGR = 1, + QSEECOM_TZ_SVC_INFO = 6, +}; + +enum qcom_scm_qseecom_tz_cmd_app { + QSEECOM_TZ_CMD_APP_SEND = 1, + QSEECOM_TZ_CMD_APP_LOOKUP = 3, +}; + +enum qcom_scm_qseecom_tz_cmd_info { + QSEECOM_TZ_CMD_INFO_VERSION = 3, +}; + +#define QSEECOM_MAX_APP_NAME_SIZE 64 + /* Each bit configures cold/warm boot address for one of the 4 CPUs */ static const u8 qcom_scm_cpu_cold_bits[QCOM_SCM_BOOT_MAX_CPUS] = { 0, BIT(0), BIT(3), BIT(5) @@ -168,6 +216,12 @@ static enum qcom_scm_convention __get_convention(void) return qcom_scm_convention; /* + * Per the "SMC calling convention specification", the 64-bit calling + * convention can only be used when the client is 64-bit, otherwise + * system will encounter the undefined behaviour. + */ +#if IS_ENABLED(CONFIG_ARM64) + /* * Device isn't required as there is only one argument - no device * needed to dma_map_single to secure world */ @@ -187,6 +241,7 @@ static enum qcom_scm_convention __get_convention(void) forced = true; goto found; } +#endif probed_convention = SMC_CONVENTION_ARM_32; ret = __scm_smc_call(NULL, &desc, probed_convention, &res, true); @@ -403,6 +458,29 @@ int qcom_scm_set_remote_state(u32 state, u32 id) } EXPORT_SYMBOL_GPL(qcom_scm_set_remote_state); +static int qcom_scm_disable_sdi(void) +{ + int ret; + struct qcom_scm_desc desc = { + .svc = QCOM_SCM_SVC_BOOT, + .cmd = QCOM_SCM_BOOT_SDI_CONFIG, + .args[0] = 1, /* Disable watchdog debug */ + .args[1] = 0, /* Disable SDI */ + .arginfo = QCOM_SCM_ARGS(2), + .owner = ARM_SMCCC_OWNER_SIP, + }; + struct qcom_scm_res res; + + ret = qcom_scm_clk_enable(); + if (ret) + return ret; + ret = qcom_scm_call(__scm->dev, &desc, &res); + + qcom_scm_clk_disable(); + + return ret ? : res.result[0]; +} + static int __qcom_scm_set_dload_mode(struct device *dev, bool enable) { struct qcom_scm_desc desc = { @@ -1321,6 +1399,340 @@ static int qcom_scm_find_dload_address(struct device *dev, u64 *addr) return 0; } +#ifdef CONFIG_QCOM_QSEECOM + +/* Lock for QSEECOM SCM call executions */ +static DEFINE_MUTEX(qcom_scm_qseecom_call_lock); + +static int __qcom_scm_qseecom_call(const struct qcom_scm_desc *desc, + struct qcom_scm_qseecom_resp *res) +{ + struct qcom_scm_res scm_res = {}; + int status; + + /* + * QSEECOM SCM calls should not be executed concurrently. Therefore, we + * require the respective call lock to be held. + */ + lockdep_assert_held(&qcom_scm_qseecom_call_lock); + + status = qcom_scm_call(__scm->dev, desc, &scm_res); + + res->result = scm_res.result[0]; + res->resp_type = scm_res.result[1]; + res->data = scm_res.result[2]; + + if (status) + return status; + + return 0; +} + +/** + * qcom_scm_qseecom_call() - Perform a QSEECOM SCM call. + * @desc: SCM call descriptor. + * @res: SCM call response (output). + * + * Performs the QSEECOM SCM call described by @desc, returning the response in + * @rsp. + * + * Return: Zero on success, nonzero on failure. + */ +static int qcom_scm_qseecom_call(const struct qcom_scm_desc *desc, + struct qcom_scm_qseecom_resp *res) +{ + int status; + + /* + * Note: Multiple QSEECOM SCM calls should not be executed same time, + * so lock things here. This needs to be extended to callback/listener + * handling when support for that is implemented. + */ + + mutex_lock(&qcom_scm_qseecom_call_lock); + status = __qcom_scm_qseecom_call(desc, res); + mutex_unlock(&qcom_scm_qseecom_call_lock); + + dev_dbg(__scm->dev, "%s: owner=%x, svc=%x, cmd=%x, result=%lld, type=%llx, data=%llx\n", + __func__, desc->owner, desc->svc, desc->cmd, res->result, + res->resp_type, res->data); + + if (status) { + dev_err(__scm->dev, "qseecom: scm call failed with error %d\n", status); + return status; + } + + /* + * TODO: Handle incomplete and blocked calls: + * + * Incomplete and blocked calls are not supported yet. Some devices + * and/or commands require those, some don't. Let's warn about them + * prominently in case someone attempts to try these commands with a + * device/command combination that isn't supported yet. + */ + WARN_ON(res->result == QSEECOM_RESULT_INCOMPLETE); + WARN_ON(res->result == QSEECOM_RESULT_BLOCKED_ON_LISTENER); + + return 0; +} + +/** + * qcom_scm_qseecom_get_version() - Query the QSEECOM version. + * @version: Pointer where the QSEECOM version will be stored. + * + * Performs the QSEECOM SCM querying the QSEECOM version currently running in + * the TrustZone. + * + * Return: Zero on success, nonzero on failure. + */ +static int qcom_scm_qseecom_get_version(u32 *version) +{ + struct qcom_scm_desc desc = {}; + struct qcom_scm_qseecom_resp res = {}; + u32 feature = 10; + int ret; + + desc.owner = QSEECOM_TZ_OWNER_SIP; + desc.svc = QSEECOM_TZ_SVC_INFO; + desc.cmd = QSEECOM_TZ_CMD_INFO_VERSION; + desc.arginfo = QCOM_SCM_ARGS(1, QCOM_SCM_VAL); + desc.args[0] = feature; + + ret = qcom_scm_qseecom_call(&desc, &res); + if (ret) + return ret; + + *version = res.result; + return 0; +} + +/** + * qcom_scm_qseecom_app_get_id() - Query the app ID for a given QSEE app name. + * @app_name: The name of the app. + * @app_id: The returned app ID. + * + * Query and return the application ID of the SEE app identified by the given + * name. This returned ID is the unique identifier of the app required for + * subsequent communication. + * + * Return: Zero on success, nonzero on failure, -ENOENT if the app has not been + * loaded or could not be found. + */ +int qcom_scm_qseecom_app_get_id(const char *app_name, u32 *app_id) +{ + unsigned long name_buf_size = QSEECOM_MAX_APP_NAME_SIZE; + unsigned long app_name_len = strlen(app_name); + struct qcom_scm_desc desc = {}; + struct qcom_scm_qseecom_resp res = {}; + dma_addr_t name_buf_phys; + char *name_buf; + int status; + + if (app_name_len >= name_buf_size) + return -EINVAL; + + name_buf = kzalloc(name_buf_size, GFP_KERNEL); + if (!name_buf) + return -ENOMEM; + + memcpy(name_buf, app_name, app_name_len); + + name_buf_phys = dma_map_single(__scm->dev, name_buf, name_buf_size, DMA_TO_DEVICE); + status = dma_mapping_error(__scm->dev, name_buf_phys); + if (status) { + kfree(name_buf); + dev_err(__scm->dev, "qseecom: failed to map dma address\n"); + return status; + } + + desc.owner = QSEECOM_TZ_OWNER_QSEE_OS; + desc.svc = QSEECOM_TZ_SVC_APP_MGR; + desc.cmd = QSEECOM_TZ_CMD_APP_LOOKUP; + desc.arginfo = QCOM_SCM_ARGS(2, QCOM_SCM_RW, QCOM_SCM_VAL); + desc.args[0] = name_buf_phys; + desc.args[1] = app_name_len; + + status = qcom_scm_qseecom_call(&desc, &res); + dma_unmap_single(__scm->dev, name_buf_phys, name_buf_size, DMA_TO_DEVICE); + kfree(name_buf); + + if (status) + return status; + + if (res.result == QSEECOM_RESULT_FAILURE) + return -ENOENT; + + if (res.result != QSEECOM_RESULT_SUCCESS) + return -EINVAL; + + if (res.resp_type != QSEECOM_SCM_RES_APP_ID) + return -EINVAL; + + *app_id = res.data; + return 0; +} +EXPORT_SYMBOL_GPL(qcom_scm_qseecom_app_get_id); + +/** + * qcom_scm_qseecom_app_send() - Send to and receive data from a given QSEE app. + * @app_id: The ID of the target app. + * @req: Request buffer sent to the app (must be DMA-mappable). + * @req_size: Size of the request buffer. + * @rsp: Response buffer, written to by the app (must be DMA-mappable). + * @rsp_size: Size of the response buffer. + * + * Sends a request to the QSEE app associated with the given ID and read back + * its response. The caller must provide two DMA memory regions, one for the + * request and one for the response, and fill out the @req region with the + * respective (app-specific) request data. The QSEE app reads this and returns + * its response in the @rsp region. + * + * Return: Zero on success, nonzero on failure. + */ +int qcom_scm_qseecom_app_send(u32 app_id, void *req, size_t req_size, void *rsp, + size_t rsp_size) +{ + struct qcom_scm_qseecom_resp res = {}; + struct qcom_scm_desc desc = {}; + dma_addr_t req_phys; + dma_addr_t rsp_phys; + int status; + + /* Map request buffer */ + req_phys = dma_map_single(__scm->dev, req, req_size, DMA_TO_DEVICE); + status = dma_mapping_error(__scm->dev, req_phys); + if (status) { + dev_err(__scm->dev, "qseecom: failed to map request buffer\n"); + return status; + } + + /* Map response buffer */ + rsp_phys = dma_map_single(__scm->dev, rsp, rsp_size, DMA_FROM_DEVICE); + status = dma_mapping_error(__scm->dev, rsp_phys); + if (status) { + dma_unmap_single(__scm->dev, req_phys, req_size, DMA_TO_DEVICE); + dev_err(__scm->dev, "qseecom: failed to map response buffer\n"); + return status; + } + + /* Set up SCM call data */ + desc.owner = QSEECOM_TZ_OWNER_TZ_APPS; + desc.svc = QSEECOM_TZ_SVC_APP_ID_PLACEHOLDER; + desc.cmd = QSEECOM_TZ_CMD_APP_SEND; + desc.arginfo = QCOM_SCM_ARGS(5, QCOM_SCM_VAL, + QCOM_SCM_RW, QCOM_SCM_VAL, + QCOM_SCM_RW, QCOM_SCM_VAL); + desc.args[0] = app_id; + desc.args[1] = req_phys; + desc.args[2] = req_size; + desc.args[3] = rsp_phys; + desc.args[4] = rsp_size; + + /* Perform call */ + status = qcom_scm_qseecom_call(&desc, &res); + + /* Unmap buffers */ + dma_unmap_single(__scm->dev, rsp_phys, rsp_size, DMA_FROM_DEVICE); + dma_unmap_single(__scm->dev, req_phys, req_size, DMA_TO_DEVICE); + + if (status) + return status; + + if (res.result != QSEECOM_RESULT_SUCCESS) + return -EIO; + + return 0; +} +EXPORT_SYMBOL_GPL(qcom_scm_qseecom_app_send); + +/* + * We do not yet support re-entrant calls via the qseecom interface. To prevent + + any potential issues with this, only allow validated machines for now. + */ +static const struct of_device_id qcom_scm_qseecom_allowlist[] = { + { .compatible = "lenovo,thinkpad-x13s", }, + { } +}; + +static bool qcom_scm_qseecom_machine_is_allowed(void) +{ + struct device_node *np; + bool match; + + np = of_find_node_by_path("/"); + if (!np) + return false; + + match = of_match_node(qcom_scm_qseecom_allowlist, np); + of_node_put(np); + + return match; +} + +static void qcom_scm_qseecom_free(void *data) +{ + struct platform_device *qseecom_dev = data; + + platform_device_del(qseecom_dev); + platform_device_put(qseecom_dev); +} + +static int qcom_scm_qseecom_init(struct qcom_scm *scm) +{ + struct platform_device *qseecom_dev; + u32 version; + int ret; + + /* + * Note: We do two steps of validation here: First, we try to query the + * QSEECOM version as a check to see if the interface exists on this + * device. Second, we check against known good devices due to current + * driver limitations (see comment in qcom_scm_qseecom_allowlist). + * + * Note that we deliberately do the machine check after the version + * check so that we can log potentially supported devices. This should + * be safe as downstream sources indicate that the version query is + * neither blocking nor reentrant. + */ + ret = qcom_scm_qseecom_get_version(&version); + if (ret) + return 0; + + dev_info(scm->dev, "qseecom: found qseecom with version 0x%x\n", version); + + if (!qcom_scm_qseecom_machine_is_allowed()) { + dev_info(scm->dev, "qseecom: untested machine, skipping\n"); + return 0; + } + + /* + * Set up QSEECOM interface device. All application clients will be + * set up and managed by the corresponding driver for it. + */ + qseecom_dev = platform_device_alloc("qcom_qseecom", -1); + if (!qseecom_dev) + return -ENOMEM; + + qseecom_dev->dev.parent = scm->dev; + + ret = platform_device_add(qseecom_dev); + if (ret) { + platform_device_put(qseecom_dev); + return ret; + } + + return devm_add_action_or_reset(scm->dev, qcom_scm_qseecom_free, qseecom_dev); +} + +#else /* CONFIG_QCOM_QSEECOM */ + +static int qcom_scm_qseecom_init(struct qcom_scm *scm) +{ + return 0; +} + +#endif /* CONFIG_QCOM_QSEECOM */ + /** * qcom_scm_is_available() - Checks if SCM is available */ @@ -1468,6 +1880,26 @@ static int qcom_scm_probe(struct platform_device *pdev) if (download_mode) qcom_scm_set_download_mode(true); + + /* + * Disable SDI if indicated by DT that it is enabled by default. + */ + if (of_property_read_bool(pdev->dev.of_node, "qcom,sdi-enabled")) + qcom_scm_disable_sdi(); + + /* + * Initialize the QSEECOM interface. + * + * Note: QSEECOM is fairly self-contained and this only adds the + * interface device (the driver of which does most of the heavy + * lifting). So any errors returned here should be either -ENOMEM or + * -EINVAL (with the latter only in case there's a bug in our code). + * This means that there is no need to bring down the whole SCM driver. + * Just log the error instead and let SCM live. + */ + ret = qcom_scm_qseecom_init(scm); + WARN(ret < 0, "failed to initialize qseecom: %d\n", ret); + return 0; } diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom/qcom_scm.h index e6e512bd57d1..4532907e8489 100644 --- a/drivers/firmware/qcom_scm.h +++ b/drivers/firmware/qcom/qcom_scm.h @@ -4,6 +4,8 @@ #ifndef __QCOM_SCM_INT_H #define __QCOM_SCM_INT_H +struct device; + enum qcom_scm_convention { SMC_CONVENTION_UNKNOWN, SMC_CONVENTION_LEGACY, @@ -64,22 +66,22 @@ int qcom_scm_wait_for_wq_completion(u32 wq_ctx); int scm_get_wq_ctx(u32 *wq_ctx, u32 *flags, u32 *more_pending); #define SCM_SMC_FNID(s, c) ((((s) & 0xFF) << 8) | ((c) & 0xFF)) -extern int __scm_smc_call(struct device *dev, const struct qcom_scm_desc *desc, - enum qcom_scm_convention qcom_convention, - struct qcom_scm_res *res, bool atomic); +int __scm_smc_call(struct device *dev, const struct qcom_scm_desc *desc, + enum qcom_scm_convention qcom_convention, + struct qcom_scm_res *res, bool atomic); #define scm_smc_call(dev, desc, res, atomic) \ __scm_smc_call((dev), (desc), qcom_scm_convention, (res), (atomic)) #define SCM_LEGACY_FNID(s, c) (((s) << 10) | ((c) & 0x3ff)) -extern int scm_legacy_call_atomic(struct device *dev, - const struct qcom_scm_desc *desc, - struct qcom_scm_res *res); -extern int scm_legacy_call(struct device *dev, const struct qcom_scm_desc *desc, +int scm_legacy_call_atomic(struct device *dev, const struct qcom_scm_desc *desc, struct qcom_scm_res *res); +int scm_legacy_call(struct device *dev, const struct qcom_scm_desc *desc, + struct qcom_scm_res *res); #define QCOM_SCM_SVC_BOOT 0x01 #define QCOM_SCM_BOOT_SET_ADDR 0x01 #define QCOM_SCM_BOOT_TERMINATE_PC 0x02 +#define QCOM_SCM_BOOT_SDI_CONFIG 0x09 #define QCOM_SCM_BOOT_SET_DLOAD_MODE 0x10 #define QCOM_SCM_BOOT_SET_ADDR_MC 0x11 #define QCOM_SCM_BOOT_SET_REMOTE_STATE 0x0a diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c index f66efaa5196d..4cd290a60fba 100644 --- a/drivers/firmware/raspberrypi.c +++ b/drivers/firmware/raspberrypi.c @@ -378,6 +378,7 @@ EXPORT_SYMBOL_GPL(rpi_firmware_get); /** * devm_rpi_firmware_get - Get pointer to rpi_firmware structure. + * @dev: The firmware device structure * @firmware_node: Pointer to the firmware Device Tree node. * * Returns NULL is the firmware device is not ready. diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c index 51d062e0c3f1..c1590d3aa9cb 100644 --- a/drivers/firmware/tegra/bpmp.c +++ b/drivers/firmware/tegra/bpmp.c @@ -313,6 +313,8 @@ static ssize_t tegra_bpmp_channel_write(struct tegra_bpmp_channel *channel, return __tegra_bpmp_channel_write(channel, mrq, flags, data, size); } +static int __maybe_unused tegra_bpmp_resume(struct device *dev); + int tegra_bpmp_transfer_atomic(struct tegra_bpmp *bpmp, struct tegra_bpmp_message *msg) { @@ -325,6 +327,14 @@ int tegra_bpmp_transfer_atomic(struct tegra_bpmp *bpmp, if (!tegra_bpmp_message_valid(msg)) return -EINVAL; + if (bpmp->suspended) { + /* Reset BPMP IPC channels during resume based on flags passed */ + if (msg->flags & TEGRA_BPMP_MESSAGE_RESET) + tegra_bpmp_resume(bpmp->dev); + else + return -EAGAIN; + } + channel = bpmp->tx_channel; spin_lock(&bpmp->atomic_tx_lock); @@ -364,6 +374,14 @@ int tegra_bpmp_transfer(struct tegra_bpmp *bpmp, if (!tegra_bpmp_message_valid(msg)) return -EINVAL; + if (bpmp->suspended) { + /* Reset BPMP IPC channels during resume based on flags passed */ + if (msg->flags & TEGRA_BPMP_MESSAGE_RESET) + tegra_bpmp_resume(bpmp->dev); + else + return -EAGAIN; + } + channel = tegra_bpmp_write_threaded(bpmp, msg->mrq, msg->tx.data, msg->tx.size); if (IS_ERR(channel)) @@ -796,10 +814,21 @@ deinit: return err; } +static int __maybe_unused tegra_bpmp_suspend(struct device *dev) +{ + struct tegra_bpmp *bpmp = dev_get_drvdata(dev); + + bpmp->suspended = true; + + return 0; +} + static int __maybe_unused tegra_bpmp_resume(struct device *dev) { struct tegra_bpmp *bpmp = dev_get_drvdata(dev); + bpmp->suspended = false; + if (bpmp->soc->ops->resume) return bpmp->soc->ops->resume(bpmp); else @@ -807,6 +836,7 @@ static int __maybe_unused tegra_bpmp_resume(struct device *dev) } static const struct dev_pm_ops tegra_bpmp_pm_ops = { + .suspend_noirq = tegra_bpmp_suspend, .resume_noirq = tegra_bpmp_resume, }; diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index 26a37f47f4ca..7041befc756a 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -16,7 +16,10 @@ #include <linux/kernel.h> #include <linux/mailbox_client.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/property.h> #include <linux/semaphore.h> #include <linux/slab.h> #include <linux/soc/ti/ti-msgmgr.h> @@ -190,19 +193,6 @@ static int ti_sci_debugfs_create(struct platform_device *pdev, return 0; } -/** - * ti_sci_debugfs_destroy() - clean up log debug file - * @pdev: platform device pointer - * @info: Pointer to SCI entity information - */ -static void ti_sci_debugfs_destroy(struct platform_device *pdev, - struct ti_sci_info *info) -{ - if (IS_ERR(info->debug_region)) - return; - - debugfs_remove(info->d); -} #else /* CONFIG_DEBUG_FS */ static inline int ti_sci_debugfs_create(struct platform_device *dev, struct ti_sci_info *info) @@ -485,7 +475,7 @@ static int ti_sci_cmd_get_revision(struct ti_sci_info *info) ver->abi_major = rev_info->abi_major; ver->abi_minor = rev_info->abi_minor; ver->firmware_revision = rev_info->firmware_revision; - strncpy(ver->firmware_description, rev_info->firmware_description, + strscpy(ver->firmware_description, rev_info->firmware_description, sizeof(ver->firmware_description)); fail: @@ -2886,7 +2876,6 @@ static void ti_sci_setup_ops(struct ti_sci_info *info) const struct ti_sci_handle *ti_sci_get_handle(struct device *dev) { struct device_node *ti_sci_np; - struct list_head *p; struct ti_sci_handle *handle = NULL; struct ti_sci_info *info; @@ -2901,8 +2890,7 @@ const struct ti_sci_handle *ti_sci_get_handle(struct device *dev) } mutex_lock(&ti_sci_list_mutex); - list_for_each(p, &ti_sci_list) { - info = list_entry(p, struct ti_sci_info, node); + list_for_each_entry(info, &ti_sci_list, node) { if (ti_sci_np == info->dev->of_node) { handle = &info->handle; info->users++; @@ -3012,7 +3000,6 @@ const struct ti_sci_handle *ti_sci_get_by_phandle(struct device_node *np, struct ti_sci_handle *handle = NULL; struct device_node *ti_sci_np; struct ti_sci_info *info; - struct list_head *p; if (!np) { pr_err("I need a device pointer\n"); @@ -3024,8 +3011,7 @@ const struct ti_sci_handle *ti_sci_get_by_phandle(struct device_node *np, return ERR_PTR(-ENODEV); mutex_lock(&ti_sci_list_mutex); - list_for_each(p, &ti_sci_list) { - info = list_entry(p, struct ti_sci_info, node); + list_for_each_entry(info, &ti_sci_list, node) { if (ti_sci_np == info->dev->of_node) { handle = &info->handle; info->users++; @@ -3310,7 +3296,6 @@ MODULE_DEVICE_TABLE(of, ti_sci_of_match); static int ti_sci_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - const struct of_device_id *of_id; const struct ti_sci_desc *desc; struct ti_sci_xfer *xfer; struct ti_sci_info *info = NULL; @@ -3321,12 +3306,7 @@ static int ti_sci_probe(struct platform_device *pdev) int reboot = 0; u32 h_id; - of_id = of_match_device(ti_sci_of_match, dev); - if (!of_id) { - dev_err(dev, "OF data missing\n"); - return -EINVAL; - } - desc = of_id->data; + desc = device_get_match_data(dev); info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); if (!info) @@ -3449,43 +3429,12 @@ out: return ret; } -static int ti_sci_remove(struct platform_device *pdev) -{ - struct ti_sci_info *info; - struct device *dev = &pdev->dev; - int ret = 0; - - of_platform_depopulate(dev); - - info = platform_get_drvdata(pdev); - - if (info->nb.notifier_call) - unregister_restart_handler(&info->nb); - - mutex_lock(&ti_sci_list_mutex); - if (info->users) - ret = -EBUSY; - else - list_del(&info->node); - mutex_unlock(&ti_sci_list_mutex); - - if (!ret) { - ti_sci_debugfs_destroy(pdev, info); - - /* Safe to free channels since no more users */ - mbox_free_channel(info->chan_tx); - mbox_free_channel(info->chan_rx); - } - - return ret; -} - static struct platform_driver ti_sci_driver = { .probe = ti_sci_probe, - .remove = ti_sci_remove, .driver = { .name = "ti-sci", .of_match_table = of_match_ptr(ti_sci_of_match), + .suppress_bind_attrs = true, }, }; module_platform_driver(ti_sci_driver); diff --git a/drivers/memory/atmel-ebi.c b/drivers/memory/atmel-ebi.c index 635966d705cb..e8bb5f37f5cb 100644 --- a/drivers/memory/atmel-ebi.c +++ b/drivers/memory/atmel-ebi.c @@ -12,7 +12,10 @@ #include <linux/mfd/syscon/atmel-matrix.h> #include <linux/mfd/syscon/atmel-smc.h> #include <linux/init.h> -#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/property.h> #include <linux/regmap.h> #include <soc/at91/atmel-sfr.h> @@ -30,7 +33,7 @@ struct atmel_ebi_dev { struct atmel_ebi *ebi; u32 mode; int numcs; - struct atmel_ebi_dev_config configs[]; + struct atmel_ebi_dev_config configs[] __counted_by(numcs); }; struct atmel_ebi_caps { @@ -515,16 +518,11 @@ static int atmel_ebi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *child, *np = dev->of_node, *smc_np; - const struct of_device_id *match; struct atmel_ebi *ebi; int ret, reg_cells; struct clk *clk; u32 val; - match = of_match_device(atmel_ebi_id_table, dev); - if (!match || !match->data) - return -EINVAL; - ebi = devm_kzalloc(dev, sizeof(*ebi), GFP_KERNEL); if (!ebi) return -ENOMEM; @@ -532,7 +530,9 @@ static int atmel_ebi_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ebi); INIT_LIST_HEAD(&ebi->devs); - ebi->caps = match->data; + ebi->caps = device_get_match_data(dev); + if (!ebi->caps) + return -EINVAL; ebi->dev = dev; clk = devm_clk_get(dev, NULL); diff --git a/drivers/memory/brcmstb_memc.c b/drivers/memory/brcmstb_memc.c index 233a53f5bce1..a6ea51996522 100644 --- a/drivers/memory/brcmstb_memc.c +++ b/drivers/memory/brcmstb_memc.c @@ -8,8 +8,9 @@ #include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/platform_device.h> +#include <linux/property.h> #define REG_MEMC_CNTRLR_CONFIG 0x00 #define CNTRLR_CONFIG_LPDDR4_SHIFT 5 @@ -121,12 +122,9 @@ static struct attribute_group dev_attr_group = { .attrs = dev_attrs, }; -static const struct of_device_id brcmstb_memc_of_match[]; - static int brcmstb_memc_probe(struct platform_device *pdev) { const struct brcmstb_memc_data *memc_data; - const struct of_device_id *of_id; struct device *dev = &pdev->dev; struct brcmstb_memc *memc; int ret; @@ -137,8 +135,7 @@ static int brcmstb_memc_probe(struct platform_device *pdev) dev_set_drvdata(dev, memc); - of_id = of_match_device(brcmstb_memc_of_match, dev); - memc_data = of_id->data; + memc_data = device_get_match_data(dev); memc->srpd_offset = memc_data->srpd_offset; memc->ddr_ctrl = devm_platform_ioremap_resource(pdev, 0); diff --git a/drivers/memory/fsl-corenet-cf.c b/drivers/memory/fsl-corenet-cf.c index 7fc9f57ae278..8096c4f33303 100644 --- a/drivers/memory/fsl-corenet-cf.c +++ b/drivers/memory/fsl-corenet-cf.c @@ -10,10 +10,8 @@ #include <linux/irq.h> #include <linux/module.h> #include <linux/of.h> -#include <linux/of_address.h> -#include <linux/of_device.h> -#include <linux/of_irq.h> #include <linux/platform_device.h> +#include <linux/property.h> enum ccf_version { CCF1, @@ -172,14 +170,9 @@ out: static int ccf_probe(struct platform_device *pdev) { struct ccf_private *ccf; - const struct of_device_id *match; u32 errinten; int ret, irq; - match = of_match_device(ccf_matches, &pdev->dev); - if (WARN_ON(!match)) - return -ENODEV; - ccf = devm_kzalloc(&pdev->dev, sizeof(*ccf), GFP_KERNEL); if (!ccf) return -ENOMEM; @@ -189,7 +182,7 @@ static int ccf_probe(struct platform_device *pdev) return PTR_ERR(ccf->regs); ccf->dev = &pdev->dev; - ccf->info = match->data; + ccf->info = device_get_match_data(&pdev->dev); ccf->err_regs = ccf->regs + ccf->info->err_reg_offs; if (ccf->info->has_brr) { diff --git a/drivers/memory/tegra/tegra234.c b/drivers/memory/tegra/tegra234.c index 9e5b5dbd9c8d..abff87f917cb 100644 --- a/drivers/memory/tegra/tegra234.c +++ b/drivers/memory/tegra/tegra234.c @@ -450,6 +450,18 @@ static const struct tegra_mc_client tegra234_mc_clients[] = { }, }, }, { + .id = TEGRA234_MEMORY_CLIENT_VIW, + .name = "viw", + .bpmp_id = TEGRA_ICC_BPMP_VI, + .type = TEGRA_ICC_ISO_VI, + .sid = TEGRA234_SID_ISO_VI, + .regs = { + .sid = { + .override = 0x390, + .security = 0x394, + }, + }, + }, { .id = TEGRA234_MEMORY_CLIENT_NVDECSRD, .name = "nvdecsrd", .bpmp_id = TEGRA_ICC_BPMP_NVDEC, @@ -622,6 +634,30 @@ static const struct tegra_mc_client tegra234_mc_clients[] = { }, }, }, { + .id = TEGRA234_MEMORY_CLIENT_VIFALR, + .name = "vifalr", + .bpmp_id = TEGRA_ICC_BPMP_VIFAL, + .type = TEGRA_ICC_ISO_VIFAL, + .sid = TEGRA234_SID_ISO_VIFALC, + .regs = { + .sid = { + .override = 0x5e0, + .security = 0x5e4, + }, + }, + }, { + .id = TEGRA234_MEMORY_CLIENT_VIFALW, + .name = "vifalw", + .bpmp_id = TEGRA_ICC_BPMP_VIFAL, + .type = TEGRA_ICC_ISO_VIFAL, + .sid = TEGRA234_SID_ISO_VIFALC, + .regs = { + .sid = { + .override = 0x5e8, + .security = 0x5ec, + }, + }, + }, { .id = TEGRA234_MEMORY_CLIENT_DLA0RDA, .name = "dla0rda", .sid = TEGRA234_SID_NVDLA0, @@ -702,6 +738,30 @@ static const struct tegra_mc_client tegra234_mc_clients[] = { }, }, }, { + .id = TEGRA234_MEMORY_CLIENT_RCER, + .name = "rcer", + .bpmp_id = TEGRA_ICC_BPMP_RCE, + .type = TEGRA_ICC_NISO, + .sid = TEGRA234_SID_RCE, + .regs = { + .sid = { + .override = 0x690, + .security = 0x694, + }, + }, + }, { + .id = TEGRA234_MEMORY_CLIENT_RCEW, + .name = "rcew", + .bpmp_id = TEGRA_ICC_BPMP_RCE, + .type = TEGRA_ICC_NISO, + .sid = TEGRA234_SID_RCE, + .regs = { + .sid = { + .override = 0x698, + .security = 0x69c, + }, + }, + }, { .id = TEGRA234_MEMORY_CLIENT_PCIE0R, .name = "pcie0r", .bpmp_id = TEGRA_ICC_BPMP_PCIE_0, @@ -986,6 +1046,10 @@ static int tegra234_mc_icc_set(struct icc_node *src, struct icc_node *dst) msg.rx.data = &bwmgr_resp; msg.rx.size = sizeof(bwmgr_resp); + if (pclient->bpmp_id >= TEGRA_ICC_BPMP_CPU_CLUSTER0 && + pclient->bpmp_id <= TEGRA_ICC_BPMP_CPU_CLUSTER2) + msg.flags = TEGRA_BPMP_MESSAGE_RESET; + ret = tegra_bpmp_transfer(mc->bpmp, &msg); if (ret < 0) { dev_err(mc->dev, "BPMP transfer failed: %d\n", ret); diff --git a/drivers/pmdomain/Makefile b/drivers/pmdomain/Makefile index 666753676e5c..f0326b27b30b 100644 --- a/drivers/pmdomain/Makefile +++ b/drivers/pmdomain/Makefile @@ -2,6 +2,7 @@ obj-y += actions/ obj-y += amlogic/ obj-y += apple/ +obj-y += arm/ obj-y += bcm/ obj-y += imx/ obj-y += mediatek/ diff --git a/drivers/pmdomain/arm/Makefile b/drivers/pmdomain/arm/Makefile new file mode 100644 index 000000000000..cfcb1f6cdd90 --- /dev/null +++ b/drivers/pmdomain/arm/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only + +obj-$(CONFIG_ARM_SCMI_PERF_DOMAIN) += scmi_perf_domain.o +obj-$(CONFIG_ARM_SCMI_POWER_DOMAIN) += scmi_pm_domain.o diff --git a/drivers/pmdomain/arm/scmi_perf_domain.c b/drivers/pmdomain/arm/scmi_perf_domain.c new file mode 100644 index 000000000000..bc3f78abb6da --- /dev/null +++ b/drivers/pmdomain/arm/scmi_perf_domain.c @@ -0,0 +1,184 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * SCMI performance domain support. + * + * Copyright (C) 2023 Linaro Ltd. + */ + +#include <linux/err.h> +#include <linux/device.h> +#include <linux/module.h> +#include <linux/pm_domain.h> +#include <linux/pm_opp.h> +#include <linux/scmi_protocol.h> +#include <linux/slab.h> + +struct scmi_perf_domain { + struct generic_pm_domain genpd; + const struct scmi_perf_proto_ops *perf_ops; + const struct scmi_protocol_handle *ph; + const struct scmi_perf_domain_info *info; + u32 domain_id; +}; + +#define to_scmi_pd(pd) container_of(pd, struct scmi_perf_domain, genpd) + +static int +scmi_pd_set_perf_state(struct generic_pm_domain *genpd, unsigned int state) +{ + struct scmi_perf_domain *pd = to_scmi_pd(genpd); + int ret; + + if (!pd->info->set_perf) + return 0; + + if (!state) + return -EINVAL; + + ret = pd->perf_ops->level_set(pd->ph, pd->domain_id, state, true); + if (ret) + dev_warn(&genpd->dev, "Failed with %d when trying to set %d perf level", + ret, state); + + return ret; +} + +static int +scmi_pd_attach_dev(struct generic_pm_domain *genpd, struct device *dev) +{ + struct scmi_perf_domain *pd = to_scmi_pd(genpd); + int ret; + + /* + * Allow the device to be attached, but don't add the OPP table unless + * the performance level can be changed. + */ + if (!pd->info->set_perf) + return 0; + + ret = pd->perf_ops->device_opps_add(pd->ph, dev, pd->domain_id); + if (ret) + dev_warn(dev, "failed to add OPPs for the device\n"); + + return ret; +} + +static void +scmi_pd_detach_dev(struct generic_pm_domain *genpd, struct device *dev) +{ + struct scmi_perf_domain *pd = to_scmi_pd(genpd); + + if (!pd->info->set_perf) + return; + + dev_pm_opp_remove_all_dynamic(dev); +} + +static int scmi_perf_domain_probe(struct scmi_device *sdev) +{ + struct device *dev = &sdev->dev; + const struct scmi_handle *handle = sdev->handle; + const struct scmi_perf_proto_ops *perf_ops; + struct scmi_protocol_handle *ph; + struct scmi_perf_domain *scmi_pd; + struct genpd_onecell_data *scmi_pd_data; + struct generic_pm_domain **domains; + int num_domains, i, ret = 0; + + if (!handle) + return -ENODEV; + + /* The OF node must specify us as a power-domain provider. */ + if (!of_find_property(dev->of_node, "#power-domain-cells", NULL)) + return 0; + + perf_ops = handle->devm_protocol_get(sdev, SCMI_PROTOCOL_PERF, &ph); + if (IS_ERR(perf_ops)) + return PTR_ERR(perf_ops); + + num_domains = perf_ops->num_domains_get(ph); + if (num_domains < 0) { + dev_warn(dev, "Failed with %d when getting num perf domains\n", + num_domains); + return num_domains; + } else if (!num_domains) { + return 0; + } + + scmi_pd = devm_kcalloc(dev, num_domains, sizeof(*scmi_pd), GFP_KERNEL); + if (!scmi_pd) + return -ENOMEM; + + scmi_pd_data = devm_kzalloc(dev, sizeof(*scmi_pd_data), GFP_KERNEL); + if (!scmi_pd_data) + return -ENOMEM; + + domains = devm_kcalloc(dev, num_domains, sizeof(*domains), GFP_KERNEL); + if (!domains) + return -ENOMEM; + + for (i = 0; i < num_domains; i++, scmi_pd++) { + scmi_pd->info = perf_ops->info_get(ph, i); + + scmi_pd->domain_id = i; + scmi_pd->perf_ops = perf_ops; + scmi_pd->ph = ph; + scmi_pd->genpd.name = scmi_pd->info->name; + scmi_pd->genpd.flags = GENPD_FLAG_ALWAYS_ON | + GENPD_FLAG_OPP_TABLE_FW; + scmi_pd->genpd.set_performance_state = scmi_pd_set_perf_state; + scmi_pd->genpd.attach_dev = scmi_pd_attach_dev; + scmi_pd->genpd.detach_dev = scmi_pd_detach_dev; + + ret = pm_genpd_init(&scmi_pd->genpd, NULL, false); + if (ret) + goto err; + + domains[i] = &scmi_pd->genpd; + } + + scmi_pd_data->domains = domains; + scmi_pd_data->num_domains = num_domains; + + ret = of_genpd_add_provider_onecell(dev->of_node, scmi_pd_data); + if (ret) + goto err; + + dev_set_drvdata(dev, scmi_pd_data); + dev_info(dev, "Initialized %d performance domains", num_domains); + return 0; +err: + for (i--; i >= 0; i--) + pm_genpd_remove(domains[i]); + return ret; +} + +static void scmi_perf_domain_remove(struct scmi_device *sdev) +{ + struct device *dev = &sdev->dev; + struct genpd_onecell_data *scmi_pd_data = dev_get_drvdata(dev); + int i; + + of_genpd_del_provider(dev->of_node); + + for (i = 0; i < scmi_pd_data->num_domains; i++) + pm_genpd_remove(scmi_pd_data->domains[i]); +} + +static const struct scmi_device_id scmi_id_table[] = { + { SCMI_PROTOCOL_PERF, "perf" }, + { }, +}; +MODULE_DEVICE_TABLE(scmi, scmi_id_table); + +static struct scmi_driver scmi_perf_domain_driver = { + .name = "scmi-perf-domain", + .probe = scmi_perf_domain_probe, + .remove = scmi_perf_domain_remove, + .id_table = scmi_id_table, +}; +module_scmi_driver(scmi_perf_domain_driver); + +MODULE_AUTHOR("Ulf Hansson <ulf.hansson@linaro.org>"); +MODULE_DESCRIPTION("ARM SCMI perf domain driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/firmware/arm_scmi/scmi_pm_domain.c b/drivers/pmdomain/arm/scmi_pm_domain.c index 0e05a79de82d..0e05a79de82d 100644 --- a/drivers/firmware/arm_scmi/scmi_pm_domain.c +++ b/drivers/pmdomain/arm/scmi_pm_domain.c diff --git a/drivers/soc/aspeed/aspeed-lpc-ctrl.c b/drivers/soc/aspeed/aspeed-lpc-ctrl.c index 258894ed234b..e87038009d1b 100644 --- a/drivers/soc/aspeed/aspeed-lpc-ctrl.c +++ b/drivers/soc/aspeed/aspeed-lpc-ctrl.c @@ -332,14 +332,12 @@ err: return rc; } -static int aspeed_lpc_ctrl_remove(struct platform_device *pdev) +static void aspeed_lpc_ctrl_remove(struct platform_device *pdev) { struct aspeed_lpc_ctrl *lpc_ctrl = dev_get_drvdata(&pdev->dev); misc_deregister(&lpc_ctrl->miscdev); clk_disable_unprepare(lpc_ctrl->clk); - - return 0; } static const struct of_device_id aspeed_lpc_ctrl_match[] = { @@ -355,7 +353,7 @@ static struct platform_driver aspeed_lpc_ctrl_driver = { .of_match_table = aspeed_lpc_ctrl_match, }, .probe = aspeed_lpc_ctrl_probe, - .remove = aspeed_lpc_ctrl_remove, + .remove_new = aspeed_lpc_ctrl_remove, }; module_platform_driver(aspeed_lpc_ctrl_driver); diff --git a/drivers/soc/aspeed/aspeed-lpc-snoop.c b/drivers/soc/aspeed/aspeed-lpc-snoop.c index 773dbcbc03a6..888b5840c015 100644 --- a/drivers/soc/aspeed/aspeed-lpc-snoop.c +++ b/drivers/soc/aspeed/aspeed-lpc-snoop.c @@ -331,7 +331,7 @@ err: return rc; } -static int aspeed_lpc_snoop_remove(struct platform_device *pdev) +static void aspeed_lpc_snoop_remove(struct platform_device *pdev) { struct aspeed_lpc_snoop *lpc_snoop = dev_get_drvdata(&pdev->dev); @@ -340,8 +340,6 @@ static int aspeed_lpc_snoop_remove(struct platform_device *pdev) aspeed_lpc_disable_snoop(lpc_snoop, 1); clk_disable_unprepare(lpc_snoop->clk); - - return 0; } static const struct aspeed_lpc_snoop_model_data ast2400_model_data = { @@ -368,7 +366,7 @@ static struct platform_driver aspeed_lpc_snoop_driver = { .of_match_table = aspeed_lpc_snoop_match, }, .probe = aspeed_lpc_snoop_probe, - .remove = aspeed_lpc_snoop_remove, + .remove_new = aspeed_lpc_snoop_remove, }; module_platform_driver(aspeed_lpc_snoop_driver); diff --git a/drivers/soc/aspeed/aspeed-p2a-ctrl.c b/drivers/soc/aspeed/aspeed-p2a-ctrl.c index 548f44da28a9..8610ddacc7bc 100644 --- a/drivers/soc/aspeed/aspeed-p2a-ctrl.c +++ b/drivers/soc/aspeed/aspeed-p2a-ctrl.c @@ -383,13 +383,11 @@ static int aspeed_p2a_ctrl_probe(struct platform_device *pdev) return rc; } -static int aspeed_p2a_ctrl_remove(struct platform_device *pdev) +static void aspeed_p2a_ctrl_remove(struct platform_device *pdev) { struct aspeed_p2a_ctrl *p2a_ctrl = dev_get_drvdata(&pdev->dev); misc_deregister(&p2a_ctrl->miscdev); - - return 0; } #define SCU2C_DRAM BIT(25) @@ -433,7 +431,7 @@ static struct platform_driver aspeed_p2a_ctrl_driver = { .of_match_table = aspeed_p2a_ctrl_match, }, .probe = aspeed_p2a_ctrl_probe, - .remove = aspeed_p2a_ctrl_remove, + .remove_new = aspeed_p2a_ctrl_remove, }; module_platform_driver(aspeed_p2a_ctrl_driver); diff --git a/drivers/soc/aspeed/aspeed-uart-routing.c b/drivers/soc/aspeed/aspeed-uart-routing.c index 3a4c1f28cb34..a2195f062e01 100644 --- a/drivers/soc/aspeed/aspeed-uart-routing.c +++ b/drivers/soc/aspeed/aspeed-uart-routing.c @@ -565,14 +565,12 @@ static int aspeed_uart_routing_probe(struct platform_device *pdev) return 0; } -static int aspeed_uart_routing_remove(struct platform_device *pdev) +static void aspeed_uart_routing_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct aspeed_uart_routing *uart_routing = platform_get_drvdata(pdev); sysfs_remove_group(&dev->kobj, uart_routing->attr_grp); - - return 0; } static const struct of_device_id aspeed_uart_routing_table[] = { @@ -591,7 +589,7 @@ static struct platform_driver aspeed_uart_routing_driver = { .of_match_table = aspeed_uart_routing_table, }, .probe = aspeed_uart_routing_probe, - .remove = aspeed_uart_routing_remove, + .remove_new = aspeed_uart_routing_remove, }; module_platform_driver(aspeed_uart_routing_driver); diff --git a/drivers/soc/bcm/Kconfig b/drivers/soc/bcm/Kconfig index 1f5577cfd68c..c921a22f6c11 100644 --- a/drivers/soc/bcm/Kconfig +++ b/drivers/soc/bcm/Kconfig @@ -3,7 +3,7 @@ menu "Broadcom SoC drivers" config SOC_BRCMSTB bool "Broadcom STB SoC drivers" - depends on ARM || ARM64 || BMIPS_GENERIC || COMPILE_TEST + depends on ARCH_BRCMSTB || BMIPS_GENERIC || COMPILE_TEST select SOC_BUS help Enables drivers for the Broadcom Set-Top Box (STB) series of chips. diff --git a/drivers/soc/dove/pmu.c b/drivers/soc/dove/pmu.c index ffc5311c0ed8..6202dbcd20a8 100644 --- a/drivers/soc/dove/pmu.c +++ b/drivers/soc/dove/pmu.c @@ -410,13 +410,16 @@ int __init dove_init_pmu(void) struct pmu_domain *domain; domain = kzalloc(sizeof(*domain), GFP_KERNEL); - if (!domain) + if (!domain) { + of_node_put(np); break; + } domain->pmu = pmu; domain->base.name = kasprintf(GFP_KERNEL, "%pOFn", np); if (!domain->base.name) { kfree(domain); + of_node_put(np); break; } diff --git a/drivers/soc/fsl/dpaa2-console.c b/drivers/soc/fsl/dpaa2-console.c index 1dca693b6b38..6dbc77db7718 100644 --- a/drivers/soc/fsl/dpaa2-console.c +++ b/drivers/soc/fsl/dpaa2-console.c @@ -300,12 +300,10 @@ err_register_mc: return error; } -static int dpaa2_console_remove(struct platform_device *pdev) +static void dpaa2_console_remove(struct platform_device *pdev) { misc_deregister(&dpaa2_mc_console_dev); misc_deregister(&dpaa2_aiop_console_dev); - - return 0; } static const struct of_device_id dpaa2_console_match_table[] = { @@ -322,7 +320,7 @@ static struct platform_driver dpaa2_console_driver = { .of_match_table = dpaa2_console_match_table, }, .probe = dpaa2_console_probe, - .remove = dpaa2_console_remove, + .remove_new = dpaa2_console_remove, }; module_platform_driver(dpaa2_console_driver); diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c index b3c292c9a14e..92ec76c03965 100644 --- a/drivers/soc/fsl/qe/qmc.c +++ b/drivers/soc/fsl/qe/qmc.c @@ -1415,7 +1415,7 @@ err_tsa_serial_disconnect: return ret; } -static int qmc_remove(struct platform_device *pdev) +static void qmc_remove(struct platform_device *pdev) { struct qmc *qmc = platform_get_drvdata(pdev); @@ -1427,8 +1427,6 @@ static int qmc_remove(struct platform_device *pdev) /* Disconnect the serial from TSA */ tsa_serial_disconnect(qmc->tsa_serial); - - return 0; } static const struct of_device_id qmc_id_table[] = { @@ -1443,7 +1441,7 @@ static struct platform_driver qmc_driver = { .of_match_table = of_match_ptr(qmc_id_table), }, .probe = qmc_probe, - .remove = qmc_remove, + .remove_new = qmc_remove, }; module_platform_driver(qmc_driver); diff --git a/drivers/soc/fsl/qe/tsa.c b/drivers/soc/fsl/qe/tsa.c index 3646153117b3..3f9981335590 100644 --- a/drivers/soc/fsl/qe/tsa.c +++ b/drivers/soc/fsl/qe/tsa.c @@ -706,7 +706,7 @@ static int tsa_probe(struct platform_device *pdev) return 0; } -static int tsa_remove(struct platform_device *pdev) +static void tsa_remove(struct platform_device *pdev) { struct tsa *tsa = platform_get_drvdata(pdev); int i; @@ -729,7 +729,6 @@ static int tsa_remove(struct platform_device *pdev) clk_put(tsa->tdm[i].l1rclk_clk); } } - return 0; } static const struct of_device_id tsa_id_table[] = { @@ -744,7 +743,7 @@ static struct platform_driver tsa_driver = { .of_match_table = of_match_ptr(tsa_id_table), }, .probe = tsa_probe, - .remove = tsa_remove, + .remove_new = tsa_remove, }; module_platform_driver(tsa_driver); diff --git a/drivers/soc/fujitsu/a64fx-diag.c b/drivers/soc/fujitsu/a64fx-diag.c index 524fbfeb94e3..330901893577 100644 --- a/drivers/soc/fujitsu/a64fx-diag.c +++ b/drivers/soc/fujitsu/a64fx-diag.c @@ -116,7 +116,7 @@ static int a64fx_diag_probe(struct platform_device *pdev) return 0; } -static int a64fx_diag_remove(struct platform_device *pdev) +static void a64fx_diag_remove(struct platform_device *pdev) { struct a64fx_diag_priv *priv = platform_get_drvdata(pdev); @@ -127,8 +127,6 @@ static int a64fx_diag_remove(struct platform_device *pdev) free_nmi(priv->irq, NULL); else free_irq(priv->irq, NULL); - - return 0; } static const struct acpi_device_id a64fx_diag_acpi_match[] = { @@ -144,7 +142,7 @@ static struct platform_driver a64fx_diag_driver = { .acpi_match_table = ACPI_PTR(a64fx_diag_acpi_match), }, .probe = a64fx_diag_probe, - .remove = a64fx_diag_remove, + .remove_new = a64fx_diag_remove, }; module_platform_driver(a64fx_diag_driver); diff --git a/drivers/soc/hisilicon/kunpeng_hccs.c b/drivers/soc/hisilicon/kunpeng_hccs.c index 27a96cafd1ea..e31791659560 100644 --- a/drivers/soc/hisilicon/kunpeng_hccs.c +++ b/drivers/soc/hisilicon/kunpeng_hccs.c @@ -1240,14 +1240,12 @@ unregister_pcc_chan: return rc; } -static int hccs_remove(struct platform_device *pdev) +static void hccs_remove(struct platform_device *pdev) { struct hccs_dev *hdev = platform_get_drvdata(pdev); hccs_remove_topo_dirs(hdev); hccs_unregister_pcc_channel(hdev); - - return 0; } static const struct acpi_device_id hccs_acpi_match[] = { @@ -1258,7 +1256,7 @@ MODULE_DEVICE_TABLE(acpi, hccs_acpi_match); static struct platform_driver hccs_driver = { .probe = hccs_probe, - .remove = hccs_remove, + .remove_new = hccs_remove, .driver = { .name = "kunpeng_hccs", .acpi_match_table = hccs_acpi_match, diff --git a/drivers/soc/ixp4xx/ixp4xx-npe.c b/drivers/soc/ixp4xx/ixp4xx-npe.c index 5be9988f30ce..35825ee95dff 100644 --- a/drivers/soc/ixp4xx/ixp4xx-npe.c +++ b/drivers/soc/ixp4xx/ixp4xx-npe.c @@ -736,7 +736,7 @@ static int ixp4xx_npe_probe(struct platform_device *pdev) return 0; } -static int ixp4xx_npe_remove(struct platform_device *pdev) +static void ixp4xx_npe_remove(struct platform_device *pdev) { int i; @@ -744,8 +744,6 @@ static int ixp4xx_npe_remove(struct platform_device *pdev) if (npe_tab[i].regs) { npe_reset(&npe_tab[i]); } - - return 0; } static const struct of_device_id ixp4xx_npe_of_match[] = { @@ -761,7 +759,7 @@ static struct platform_driver ixp4xx_npe_driver = { .of_match_table = ixp4xx_npe_of_match, }, .probe = ixp4xx_npe_probe, - .remove = ixp4xx_npe_remove, + .remove_new = ixp4xx_npe_remove, }; module_platform_driver(ixp4xx_npe_driver); diff --git a/drivers/soc/ixp4xx/ixp4xx-qmgr.c b/drivers/soc/ixp4xx/ixp4xx-qmgr.c index 291086bb9313..244ad8d7e80b 100644 --- a/drivers/soc/ixp4xx/ixp4xx-qmgr.c +++ b/drivers/soc/ixp4xx/ixp4xx-qmgr.c @@ -442,11 +442,10 @@ static int ixp4xx_qmgr_probe(struct platform_device *pdev) return 0; } -static int ixp4xx_qmgr_remove(struct platform_device *pdev) +static void ixp4xx_qmgr_remove(struct platform_device *pdev) { synchronize_irq(qmgr_irq_1); synchronize_irq(qmgr_irq_2); - return 0; } static const struct of_device_id ixp4xx_qmgr_of_match[] = { @@ -462,7 +461,7 @@ static struct platform_driver ixp4xx_qmgr_driver = { .of_match_table = ixp4xx_qmgr_of_match, }, .probe = ixp4xx_qmgr_probe, - .remove = ixp4xx_qmgr_remove, + .remove_new = ixp4xx_qmgr_remove, }; module_platform_driver(ixp4xx_qmgr_driver); diff --git a/drivers/soc/litex/litex_soc_ctrl.c b/drivers/soc/litex/litex_soc_ctrl.c index f75790091d38..10813299aa10 100644 --- a/drivers/soc/litex/litex_soc_ctrl.c +++ b/drivers/soc/litex/litex_soc_ctrl.c @@ -120,12 +120,11 @@ static int litex_soc_ctrl_probe(struct platform_device *pdev) return 0; } -static int litex_soc_ctrl_remove(struct platform_device *pdev) +static void litex_soc_ctrl_remove(struct platform_device *pdev) { struct litex_soc_ctrl_device *soc_ctrl_dev = platform_get_drvdata(pdev); unregister_restart_handler(&soc_ctrl_dev->reset_nb); - return 0; } static struct platform_driver litex_soc_ctrl_driver = { @@ -134,7 +133,7 @@ static struct platform_driver litex_soc_ctrl_driver = { .of_match_table = of_match_ptr(litex_soc_ctrl_of_match) }, .probe = litex_soc_ctrl_probe, - .remove = litex_soc_ctrl_remove, + .remove_new = litex_soc_ctrl_remove, }; module_platform_driver(litex_soc_ctrl_driver); diff --git a/drivers/soc/loongson/loongson2_guts.c b/drivers/soc/loongson/loongson2_guts.c index 9a469779eea7..ef352a0f5022 100644 --- a/drivers/soc/loongson/loongson2_guts.c +++ b/drivers/soc/loongson/loongson2_guts.c @@ -148,11 +148,9 @@ static int loongson2_guts_probe(struct platform_device *pdev) return 0; } -static int loongson2_guts_remove(struct platform_device *dev) +static void loongson2_guts_remove(struct platform_device *dev) { soc_device_unregister(soc_dev); - - return 0; } /* @@ -171,7 +169,7 @@ static struct platform_driver loongson2_guts_driver = { .of_match_table = loongson2_guts_of_match, }, .probe = loongson2_guts_probe, - .remove = loongson2_guts_remove, + .remove_new = loongson2_guts_remove, }; static int __init loongson2_guts_init(void) diff --git a/drivers/soc/mediatek/mtk-devapc.c b/drivers/soc/mediatek/mtk-devapc.c index b28feb967540..56cc345552a4 100644 --- a/drivers/soc/mediatek/mtk-devapc.c +++ b/drivers/soc/mediatek/mtk-devapc.c @@ -292,18 +292,16 @@ static int mtk_devapc_probe(struct platform_device *pdev) return 0; } -static int mtk_devapc_remove(struct platform_device *pdev) +static void mtk_devapc_remove(struct platform_device *pdev) { struct mtk_devapc_context *ctx = platform_get_drvdata(pdev); stop_devapc(ctx); - - return 0; } static struct platform_driver mtk_devapc_driver = { .probe = mtk_devapc_probe, - .remove = mtk_devapc_remove, + .remove_new = mtk_devapc_remove, .driver = { .name = "mtk-devapc", .of_match_table = mtk_devapc_dt_match, diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c index ffb75711a1da..88209102ff3b 100644 --- a/drivers/soc/mediatek/mtk-mmsys.c +++ b/drivers/soc/mediatek/mtk-mmsys.c @@ -410,14 +410,12 @@ out_probe_done: return 0; } -static int mtk_mmsys_remove(struct platform_device *pdev) +static void mtk_mmsys_remove(struct platform_device *pdev) { struct mtk_mmsys *mmsys = platform_get_drvdata(pdev); platform_device_unregister(mmsys->drm_pdev); platform_device_unregister(mmsys->clks_pdev); - - return 0; } static const struct of_device_id of_match_mtk_mmsys[] = { @@ -449,7 +447,7 @@ static struct platform_driver mtk_mmsys_drv = { .of_match_table = of_match_mtk_mmsys, }, .probe = mtk_mmsys_probe, - .remove = mtk_mmsys_remove, + .remove_new = mtk_mmsys_remove, }; module_platform_driver(mtk_mmsys_drv); diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c index 3a2f97cd5272..f31e3bedff50 100644 --- a/drivers/soc/mediatek/mtk-svs.c +++ b/drivers/soc/mediatek/mtk-svs.c @@ -407,6 +407,7 @@ struct svs_platform_data { * @dcbdet: svs efuse data * @dcmdet: svs efuse data * @turn_pt: 2-line turn point tells which opp_volt calculated by high/low bank + * @vbin_turn_pt: voltage bin turn point helps know which svsb_volt should be overridden * @type: bank type to represent it is 2-line (high/low) bank or 1-line bank * * Svs bank will generate suitalbe voltages by below general math equation @@ -469,6 +470,7 @@ struct svs_bank { u32 dcbdet; u32 dcmdet; u32 turn_pt; + u32 vbin_turn_pt; u32 type; }; @@ -751,11 +753,12 @@ static int svs_status_debug_show(struct seq_file *m, void *v) ret = thermal_zone_get_temp(svsb->tzd, &tzone_temp); if (ret) - seq_printf(m, "%s: temperature ignore, turn_pt = %u\n", - svsb->name, svsb->turn_pt); + seq_printf(m, "%s: temperature ignore, vbin_turn_pt = %u, turn_pt = %u\n", + svsb->name, svsb->vbin_turn_pt, svsb->turn_pt); else - seq_printf(m, "%s: temperature = %d, turn_pt = %u\n", - svsb->name, tzone_temp, svsb->turn_pt); + seq_printf(m, "%s: temperature = %d, vbin_turn_pt = %u, turn_pt = %u\n", + svsb->name, tzone_temp, svsb->vbin_turn_pt, + svsb->turn_pt); for (i = 0; i < svsb->opp_count; i++) { opp = dev_pm_opp_find_freq_exact(svsb->opp_dev, @@ -952,6 +955,29 @@ static void svs_get_bank_volts_v3(struct svs_platform *svsp) for (i = opp_start; i < opp_stop; i++) if (svsb->volt_flags & SVSB_REMOVE_DVTFIXED_VOLT) svsb->volt[i] -= svsb->dvt_fixed; + + /* For voltage bin support */ + if (svsb->opp_dfreq[0] > svsb->freq_base) { + svsb->volt[0] = svs_opp_volt_to_bank_volt(svsb->opp_dvolt[0], + svsb->volt_step, + svsb->volt_base); + + /* Find voltage bin turn point */ + for (i = 0; i < svsb->opp_count; i++) { + if (svsb->opp_dfreq[i] <= svsb->freq_base) { + svsb->vbin_turn_pt = i; + break; + } + } + + /* Override svs bank voltages */ + for (i = 1; i < svsb->vbin_turn_pt; i++) + svsb->volt[i] = interpolate(svsb->freq_pct[0], + svsb->freq_pct[svsb->vbin_turn_pt], + svsb->volt[0], + svsb->volt[svsb->vbin_turn_pt], + svsb->freq_pct[i]); + } } static void svs_set_bank_freq_pct_v3(struct svs_platform *svsp) @@ -1069,6 +1095,29 @@ static void svs_get_bank_volts_v2(struct svs_platform *svsp) for (i = 0; i < svsb->opp_count; i++) svsb->volt[i] += svsb->volt_od; + + /* For voltage bin support */ + if (svsb->opp_dfreq[0] > svsb->freq_base) { + svsb->volt[0] = svs_opp_volt_to_bank_volt(svsb->opp_dvolt[0], + svsb->volt_step, + svsb->volt_base); + + /* Find voltage bin turn point */ + for (i = 0; i < svsb->opp_count; i++) { + if (svsb->opp_dfreq[i] <= svsb->freq_base) { + svsb->vbin_turn_pt = i; + break; + } + } + + /* Override svs bank voltages */ + for (i = 1; i < svsb->vbin_turn_pt; i++) + svsb->volt[i] = interpolate(svsb->freq_pct[0], + svsb->freq_pct[svsb->vbin_turn_pt], + svsb->volt[0], + svsb->volt[svsb->vbin_turn_pt], + svsb->freq_pct[i]); + } } static void svs_set_bank_freq_pct_v2(struct svs_platform *svsp) @@ -1808,6 +1857,66 @@ static bool svs_mt8192_efuse_parsing(struct svs_platform *svsp) return true; } +static bool svs_mt8188_efuse_parsing(struct svs_platform *svsp) +{ + struct svs_bank *svsb; + u32 idx, i, golden_temp; + int ret; + + for (i = 0; i < svsp->efuse_max; i++) + if (svsp->efuse[i]) + dev_info(svsp->dev, "M_HW_RES%d: 0x%08x\n", + i, svsp->efuse[i]); + + if (!svsp->efuse[5]) { + dev_notice(svsp->dev, "svs_efuse[5] = 0x0?\n"); + return false; + } + + /* Svs efuse parsing */ + for (idx = 0; idx < svsp->bank_max; idx++) { + svsb = &svsp->banks[idx]; + + if (svsb->type == SVSB_LOW) { + svsb->mtdes = svsp->efuse[5] & GENMASK(7, 0); + svsb->bdes = (svsp->efuse[5] >> 16) & GENMASK(7, 0); + svsb->mdes = (svsp->efuse[5] >> 24) & GENMASK(7, 0); + svsb->dcbdet = (svsp->efuse[15] >> 16) & GENMASK(7, 0); + svsb->dcmdet = (svsp->efuse[15] >> 24) & GENMASK(7, 0); + } else if (svsb->type == SVSB_HIGH) { + svsb->mtdes = svsp->efuse[4] & GENMASK(7, 0); + svsb->bdes = (svsp->efuse[4] >> 16) & GENMASK(7, 0); + svsb->mdes = (svsp->efuse[4] >> 24) & GENMASK(7, 0); + svsb->dcbdet = svsp->efuse[14] & GENMASK(7, 0); + svsb->dcmdet = (svsp->efuse[14] >> 8) & GENMASK(7, 0); + } + + svsb->vmax += svsb->dvt_fixed; + } + + ret = svs_get_efuse_data(svsp, "t-calibration-data", + &svsp->tefuse, &svsp->tefuse_max); + if (ret) + return false; + + for (i = 0; i < svsp->tefuse_max; i++) + if (svsp->tefuse[i] != 0) + break; + + if (i == svsp->tefuse_max) + golden_temp = 50; /* All thermal efuse data are 0 */ + else + golden_temp = (svsp->tefuse[0] >> 24) & GENMASK(7, 0); + + for (idx = 0; idx < svsp->bank_max; idx++) { + svsb = &svsp->banks[idx]; + svsb->mts = 500; + svsb->bts = (((500 * golden_temp + 250460) / 1000) - 25) * 4; + } + + return true; +} + static bool svs_mt8183_efuse_parsing(struct svs_platform *svsp) { struct svs_bank *svsb; @@ -2173,6 +2282,61 @@ static struct svs_bank svs_mt8192_banks[] = { }, }; +static struct svs_bank svs_mt8188_banks[] = { + { + .sw_id = SVSB_GPU, + .type = SVSB_LOW, + .set_freq_pct = svs_set_bank_freq_pct_v3, + .get_volts = svs_get_bank_volts_v3, + .volt_flags = SVSB_REMOVE_DVTFIXED_VOLT, + .mode_support = SVSB_MODE_INIT02, + .opp_count = MAX_OPP_ENTRIES, + .freq_base = 640000000, + .turn_freq_base = 640000000, + .volt_step = 6250, + .volt_base = 400000, + .vmax = 0x38, + .vmin = 0x1c, + .age_config = 0x555555, + .dc_config = 0x555555, + .dvt_fixed = 0x1, + .vco = 0x10, + .chk_shift = 0x87, + .core_sel = 0x0fff0000, + .int_st = BIT(0), + .ctl0 = 0x00100003, + }, + { + .sw_id = SVSB_GPU, + .type = SVSB_HIGH, + .set_freq_pct = svs_set_bank_freq_pct_v3, + .get_volts = svs_get_bank_volts_v3, + .tzone_name = "gpu1", + .volt_flags = SVSB_REMOVE_DVTFIXED_VOLT | + SVSB_MON_VOLT_IGNORE, + .mode_support = SVSB_MODE_INIT02 | SVSB_MODE_MON, + .opp_count = MAX_OPP_ENTRIES, + .freq_base = 880000000, + .turn_freq_base = 640000000, + .volt_step = 6250, + .volt_base = 400000, + .vmax = 0x38, + .vmin = 0x1c, + .age_config = 0x555555, + .dc_config = 0x555555, + .dvt_fixed = 0x4, + .vco = 0x10, + .chk_shift = 0x87, + .core_sel = 0x0fff0001, + .int_st = BIT(1), + .ctl0 = 0x00100003, + .tzone_htemp = 85000, + .tzone_htemp_voffset = 0, + .tzone_ltemp = 25000, + .tzone_ltemp_voffset = 7, + }, +}; + static struct svs_bank svs_mt8183_banks[] = { { .sw_id = SVSB_CPU_LITTLE, @@ -2286,6 +2450,15 @@ static const struct svs_platform_data svs_mt8192_platform_data = { .bank_max = ARRAY_SIZE(svs_mt8192_banks), }; +static const struct svs_platform_data svs_mt8188_platform_data = { + .name = "mt8188-svs", + .banks = svs_mt8188_banks, + .efuse_parsing = svs_mt8188_efuse_parsing, + .probe = svs_mt8192_platform_probe, + .regs = svs_regs_v2, + .bank_max = ARRAY_SIZE(svs_mt8188_banks), +}; + static const struct svs_platform_data svs_mt8183_platform_data = { .name = "mt8183-svs", .banks = svs_mt8183_banks, @@ -2300,6 +2473,9 @@ static const struct of_device_id svs_of_match[] = { .compatible = "mediatek,mt8192-svs", .data = &svs_mt8192_platform_data, }, { + .compatible = "mediatek,mt8188-svs", + .data = &svs_mt8188_platform_data, + }, { .compatible = "mediatek,mt8183-svs", .data = &svs_mt8183_platform_data, }, { diff --git a/drivers/soc/microchip/mpfs-sys-controller.c b/drivers/soc/microchip/mpfs-sys-controller.c index fbcd5fd24d7c..0935e9e94172 100644 --- a/drivers/soc/microchip/mpfs-sys-controller.c +++ b/drivers/soc/microchip/mpfs-sys-controller.c @@ -149,13 +149,11 @@ static int mpfs_sys_controller_probe(struct platform_device *pdev) return 0; } -static int mpfs_sys_controller_remove(struct platform_device *pdev) +static void mpfs_sys_controller_remove(struct platform_device *pdev) { struct mpfs_sys_controller *sys_controller = platform_get_drvdata(pdev); mpfs_sys_controller_put(sys_controller); - - return 0; } static const struct of_device_id mpfs_sys_controller_of_match[] = { @@ -207,7 +205,7 @@ static struct platform_driver mpfs_sys_controller_driver = { .of_match_table = mpfs_sys_controller_of_match, }, .probe = mpfs_sys_controller_probe, - .remove = mpfs_sys_controller_remove, + .remove_new = mpfs_sys_controller_remove, }; module_platform_driver(mpfs_sys_controller_driver); diff --git a/drivers/soc/pxa/ssp.c b/drivers/soc/pxa/ssp.c index bd029e838241..a1e8a07f7275 100644 --- a/drivers/soc/pxa/ssp.c +++ b/drivers/soc/pxa/ssp.c @@ -176,15 +176,13 @@ static int pxa_ssp_probe(struct platform_device *pdev) return 0; } -static int pxa_ssp_remove(struct platform_device *pdev) +static void pxa_ssp_remove(struct platform_device *pdev) { struct ssp_device *ssp = platform_get_drvdata(pdev); mutex_lock(&ssp_lock); list_del(&ssp->node); mutex_unlock(&ssp_lock); - - return 0; } static const struct platform_device_id ssp_id_table[] = { @@ -199,7 +197,7 @@ static const struct platform_device_id ssp_id_table[] = { static struct platform_driver pxa_ssp_driver = { .probe = pxa_ssp_probe, - .remove = pxa_ssp_remove, + .remove_new = pxa_ssp_remove, .driver = { .name = "pxa2xx-ssp", .of_match_table = of_match_ptr(pxa_ssp_of_ids), diff --git a/drivers/soc/qcom/apr.c b/drivers/soc/qcom/apr.c index 30f81d6d9d9d..1f8b315576a4 100644 --- a/drivers/soc/qcom/apr.c +++ b/drivers/soc/qcom/apr.c @@ -41,7 +41,7 @@ struct packet_router { struct apr_rx_buf { struct list_head node; int len; - uint8_t buf[]; + uint8_t buf[] __counted_by(len); }; /** @@ -171,7 +171,7 @@ static int apr_callback(struct rpmsg_device *rpdev, void *buf, return -EINVAL; } - abuf = kzalloc(sizeof(*abuf) + len, GFP_ATOMIC); + abuf = kzalloc(struct_size(abuf, buf, len), GFP_ATOMIC); if (!abuf) return -ENOMEM; diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c index 34c40368d5b5..a5fd68411bed 100644 --- a/drivers/soc/qcom/cmd-db.c +++ b/drivers/soc/qcom/cmd-db.c @@ -133,7 +133,7 @@ int cmd_db_ready(void) return 0; } -EXPORT_SYMBOL(cmd_db_ready); +EXPORT_SYMBOL_GPL(cmd_db_ready); static int cmd_db_get_header(const char *id, const struct entry_header **eh, const struct rsc_hdr **rh) @@ -193,7 +193,7 @@ u32 cmd_db_read_addr(const char *id) return ret < 0 ? 0 : le32_to_cpu(ent->addr); } -EXPORT_SYMBOL(cmd_db_read_addr); +EXPORT_SYMBOL_GPL(cmd_db_read_addr); /** * cmd_db_read_aux_data() - Query command db for aux data. @@ -218,7 +218,7 @@ const void *cmd_db_read_aux_data(const char *id, size_t *len) return rsc_offset(rsc_hdr, ent); } -EXPORT_SYMBOL(cmd_db_read_aux_data); +EXPORT_SYMBOL_GPL(cmd_db_read_aux_data); /** * cmd_db_read_slave_id - Get the slave ID for a given resource address @@ -240,7 +240,7 @@ enum cmd_db_hw_type cmd_db_read_slave_id(const char *id) addr = le32_to_cpu(ent->addr); return (addr >> SLAVE_ID_SHIFT) & SLAVE_ID_MASK; } -EXPORT_SYMBOL(cmd_db_read_slave_id); +EXPORT_SYMBOL_GPL(cmd_db_read_slave_id); #ifdef CONFIG_DEBUG_FS static int cmd_db_debugfs_dump(struct seq_file *seq, void *p) diff --git a/drivers/soc/qcom/icc-bwmon.c b/drivers/soc/qcom/icc-bwmon.c index adf2d523f103..656706259353 100644 --- a/drivers/soc/qcom/icc-bwmon.c +++ b/drivers/soc/qcom/icc-bwmon.c @@ -793,13 +793,11 @@ static int bwmon_probe(struct platform_device *pdev) return 0; } -static int bwmon_remove(struct platform_device *pdev) +static void bwmon_remove(struct platform_device *pdev) { struct icc_bwmon *bwmon = platform_get_drvdata(pdev); bwmon_disable(bwmon); - - return 0; } static const struct icc_bwmon_data msm8998_bwmon_data = { @@ -862,7 +860,7 @@ MODULE_DEVICE_TABLE(of, bwmon_of_match); static struct platform_driver bwmon_driver = { .probe = bwmon_probe, - .remove = bwmon_remove, + .remove_new = bwmon_remove, .driver = { .name = "qcom-bwmon", .of_match_table = bwmon_of_match, diff --git a/drivers/soc/qcom/kryo-l2-accessors.c b/drivers/soc/qcom/kryo-l2-accessors.c index 7886af4fd726..50cd710c5e82 100644 --- a/drivers/soc/qcom/kryo-l2-accessors.c +++ b/drivers/soc/qcom/kryo-l2-accessors.c @@ -32,7 +32,7 @@ void kryo_l2_set_indirect_reg(u64 reg, u64 val) isb(); raw_spin_unlock_irqrestore(&l2_access_lock, flags); } -EXPORT_SYMBOL(kryo_l2_set_indirect_reg); +EXPORT_SYMBOL_GPL(kryo_l2_set_indirect_reg); /** * kryo_l2_get_indirect_reg() - read an L2 register value @@ -54,4 +54,4 @@ u64 kryo_l2_get_indirect_reg(u64 reg) return val; } -EXPORT_SYMBOL(kryo_l2_get_indirect_reg); +EXPORT_SYMBOL_GPL(kryo_l2_get_indirect_reg); diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c index e32a4161a8d0..674abd0d6700 100644 --- a/drivers/soc/qcom/llcc-qcom.c +++ b/drivers/soc/qcom/llcc-qcom.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/mutex.h> +#include <linux/nvmem-consumer.h> #include <linux/of.h> #include <linux/regmap.h> #include <linux/sizes.h> @@ -126,6 +127,11 @@ struct qcom_llcc_config { bool no_edac; }; +struct qcom_sct_config { + const struct qcom_llcc_config *llcc_config; + int num_config; +}; + enum llcc_reg_offset { LLCC_COMMON_HW_INFO, LLCC_COMMON_STATUS0, @@ -185,7 +191,7 @@ static const struct llcc_slice_config sc8280xp_data[] = { { LLCC_MMUHWT, 13, 1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 0, 1, 0 }, { LLCC_DISP, 16, 6144, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 }, { LLCC_AUDHW, 22, 2048, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 }, - { LLCC_DRE, 26, 1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 }, + { LLCC_ECC, 26, 1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 }, { LLCC_CVP, 28, 512, 3, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0 }, { LLCC_APTCM, 30, 1024, 3, 1, 0x0, 0x1, 1, 0, 0, 1, 0, 0 }, { LLCC_WRCACHE, 31, 1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 0, 1, 0 }, @@ -356,6 +362,36 @@ static const struct llcc_slice_config sm8550_data[] = { {LLCC_VIDVSP, 28, 256, 4, 1, 0xFFFFFF, 0x0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, }; +static const struct llcc_slice_config qdu1000_data_2ch[] = { + { LLCC_MDMHPGRW, 7, 512, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_MODHW, 9, 256, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_MDMPNG, 21, 256, 0, 1, 0x3, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_ECC, 26, 512, 3, 1, 0xffc, 0x0, 0, 0, 0, 0, 1, 0, 0 }, + { LLCC_MODPE, 29, 256, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_APTCM, 30, 256, 3, 1, 0x0, 0xc, 1, 0, 0, 1, 0, 0, 0 }, + { LLCC_WRCACHE, 31, 128, 1, 1, 0x3, 0x0, 0, 0, 0, 0, 1, 0, 0 }, +}; + +static const struct llcc_slice_config qdu1000_data_4ch[] = { + { LLCC_MDMHPGRW, 7, 1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_MODHW, 9, 512, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_MDMPNG, 21, 512, 0, 1, 0x3, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_ECC, 26, 1024, 3, 1, 0xffc, 0x0, 0, 0, 0, 0, 1, 0, 0 }, + { LLCC_MODPE, 29, 512, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_APTCM, 30, 512, 3, 1, 0x0, 0xc, 1, 0, 0, 1, 0, 0, 0 }, + { LLCC_WRCACHE, 31, 256, 1, 1, 0x3, 0x0, 0, 0, 0, 0, 1, 0, 0 }, +}; + +static const struct llcc_slice_config qdu1000_data_8ch[] = { + { LLCC_MDMHPGRW, 7, 2048, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_MODHW, 9, 1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_MDMPNG, 21, 1024, 0, 1, 0x3, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_ECC, 26, 2048, 3, 1, 0xffc, 0x0, 0, 0, 0, 0, 1, 0, 0 }, + { LLCC_MODPE, 29, 1024, 1, 1, 0xfff, 0x0, 0, 0, 0, 1, 0, 0, 0 }, + { LLCC_APTCM, 30, 1024, 3, 1, 0x0, 0xc, 1, 0, 0, 1, 0, 0, 0 }, + { LLCC_WRCACHE, 31, 512, 1, 1, 0x3, 0x0, 0, 0, 0, 0, 1, 0, 0 }, +}; + static const struct llcc_edac_reg_offset llcc_v1_edac_reg_offset = { .trp_ecc_error_status0 = 0x20344, .trp_ecc_error_status1 = 0x20348, @@ -422,101 +458,221 @@ static const u32 llcc_v2_1_reg_offset[] = { [LLCC_COMMON_STATUS0] = 0x0003400c, }; -static const struct qcom_llcc_config sc7180_cfg = { - .sct_data = sc7180_data, - .size = ARRAY_SIZE(sc7180_data), - .need_llcc_cfg = true, - .reg_offset = llcc_v1_reg_offset, - .edac_reg_offset = &llcc_v1_edac_reg_offset, +static const struct qcom_llcc_config qdu1000_cfg[] = { + { + .sct_data = qdu1000_data_8ch, + .size = ARRAY_SIZE(qdu1000_data_8ch), + .need_llcc_cfg = true, + .reg_offset = llcc_v2_1_reg_offset, + .edac_reg_offset = &llcc_v2_1_edac_reg_offset, + }, + { + .sct_data = qdu1000_data_4ch, + .size = ARRAY_SIZE(qdu1000_data_4ch), + .need_llcc_cfg = true, + .reg_offset = llcc_v2_1_reg_offset, + .edac_reg_offset = &llcc_v2_1_edac_reg_offset, + }, + { + .sct_data = qdu1000_data_4ch, + .size = ARRAY_SIZE(qdu1000_data_4ch), + .need_llcc_cfg = true, + .reg_offset = llcc_v2_1_reg_offset, + .edac_reg_offset = &llcc_v2_1_edac_reg_offset, + }, + { + .sct_data = qdu1000_data_2ch, + .size = ARRAY_SIZE(qdu1000_data_2ch), + .need_llcc_cfg = true, + .reg_offset = llcc_v2_1_reg_offset, + .edac_reg_offset = &llcc_v2_1_edac_reg_offset, + }, +}; + +static const struct qcom_llcc_config sc7180_cfg[] = { + { + .sct_data = sc7180_data, + .size = ARRAY_SIZE(sc7180_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v1_reg_offset, + .edac_reg_offset = &llcc_v1_edac_reg_offset, + }, +}; + +static const struct qcom_llcc_config sc7280_cfg[] = { + { + .sct_data = sc7280_data, + .size = ARRAY_SIZE(sc7280_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v1_reg_offset, + .edac_reg_offset = &llcc_v1_edac_reg_offset, + }, +}; + +static const struct qcom_llcc_config sc8180x_cfg[] = { + { + .sct_data = sc8180x_data, + .size = ARRAY_SIZE(sc8180x_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v1_reg_offset, + .edac_reg_offset = &llcc_v1_edac_reg_offset, + }, +}; + +static const struct qcom_llcc_config sc8280xp_cfg[] = { + { + .sct_data = sc8280xp_data, + .size = ARRAY_SIZE(sc8280xp_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v1_reg_offset, + .edac_reg_offset = &llcc_v1_edac_reg_offset, + }, +}; + +static const struct qcom_llcc_config sdm845_cfg[] = { + { + .sct_data = sdm845_data, + .size = ARRAY_SIZE(sdm845_data), + .need_llcc_cfg = false, + .reg_offset = llcc_v1_reg_offset, + .edac_reg_offset = &llcc_v1_edac_reg_offset, + .no_edac = true, + }, +}; + +static const struct qcom_llcc_config sm6350_cfg[] = { + { + .sct_data = sm6350_data, + .size = ARRAY_SIZE(sm6350_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v1_reg_offset, + .edac_reg_offset = &llcc_v1_edac_reg_offset, + }, +}; + +static const struct qcom_llcc_config sm7150_cfg[] = { + { + .sct_data = sm7150_data, + .size = ARRAY_SIZE(sm7150_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v1_reg_offset, + .edac_reg_offset = &llcc_v1_edac_reg_offset, + }, +}; + +static const struct qcom_llcc_config sm8150_cfg[] = { + { + .sct_data = sm8150_data, + .size = ARRAY_SIZE(sm8150_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v1_reg_offset, + .edac_reg_offset = &llcc_v1_edac_reg_offset, + }, +}; + +static const struct qcom_llcc_config sm8250_cfg[] = { + { + .sct_data = sm8250_data, + .size = ARRAY_SIZE(sm8250_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v1_reg_offset, + .edac_reg_offset = &llcc_v1_edac_reg_offset, + }, +}; + +static const struct qcom_llcc_config sm8350_cfg[] = { + { + .sct_data = sm8350_data, + .size = ARRAY_SIZE(sm8350_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v1_reg_offset, + .edac_reg_offset = &llcc_v1_edac_reg_offset, + }, +}; + +static const struct qcom_llcc_config sm8450_cfg[] = { + { + .sct_data = sm8450_data, + .size = ARRAY_SIZE(sm8450_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v2_1_reg_offset, + .edac_reg_offset = &llcc_v2_1_edac_reg_offset, + }, +}; + +static const struct qcom_llcc_config sm8550_cfg[] = { + { + .sct_data = sm8550_data, + .size = ARRAY_SIZE(sm8550_data), + .need_llcc_cfg = true, + .reg_offset = llcc_v2_1_reg_offset, + .edac_reg_offset = &llcc_v2_1_edac_reg_offset, + }, +}; + +static const struct qcom_sct_config qdu1000_cfgs = { + .llcc_config = qdu1000_cfg, + .num_config = ARRAY_SIZE(qdu1000_cfg), +}; + +static const struct qcom_sct_config sc7180_cfgs = { + .llcc_config = sc7180_cfg, + .num_config = ARRAY_SIZE(sc7180_cfg), }; -static const struct qcom_llcc_config sc7280_cfg = { - .sct_data = sc7280_data, - .size = ARRAY_SIZE(sc7280_data), - .need_llcc_cfg = true, - .reg_offset = llcc_v1_reg_offset, - .edac_reg_offset = &llcc_v1_edac_reg_offset, +static const struct qcom_sct_config sc7280_cfgs = { + .llcc_config = sc7280_cfg, + .num_config = ARRAY_SIZE(sc7280_cfg), }; -static const struct qcom_llcc_config sc8180x_cfg = { - .sct_data = sc8180x_data, - .size = ARRAY_SIZE(sc8180x_data), - .need_llcc_cfg = true, - .reg_offset = llcc_v1_reg_offset, - .edac_reg_offset = &llcc_v1_edac_reg_offset, +static const struct qcom_sct_config sc8180x_cfgs = { + .llcc_config = sc8180x_cfg, + .num_config = ARRAY_SIZE(sc8180x_cfg), }; -static const struct qcom_llcc_config sc8280xp_cfg = { - .sct_data = sc8280xp_data, - .size = ARRAY_SIZE(sc8280xp_data), - .need_llcc_cfg = true, - .reg_offset = llcc_v1_reg_offset, - .edac_reg_offset = &llcc_v1_edac_reg_offset, +static const struct qcom_sct_config sc8280xp_cfgs = { + .llcc_config = sc8280xp_cfg, + .num_config = ARRAY_SIZE(sc8280xp_cfg), }; -static const struct qcom_llcc_config sdm845_cfg = { - .sct_data = sdm845_data, - .size = ARRAY_SIZE(sdm845_data), - .need_llcc_cfg = false, - .reg_offset = llcc_v1_reg_offset, - .edac_reg_offset = &llcc_v1_edac_reg_offset, - .no_edac = true, +static const struct qcom_sct_config sdm845_cfgs = { + .llcc_config = sdm845_cfg, + .num_config = ARRAY_SIZE(sdm845_cfg), }; -static const struct qcom_llcc_config sm6350_cfg = { - .sct_data = sm6350_data, - .size = ARRAY_SIZE(sm6350_data), - .need_llcc_cfg = true, - .reg_offset = llcc_v1_reg_offset, - .edac_reg_offset = &llcc_v1_edac_reg_offset, +static const struct qcom_sct_config sm6350_cfgs = { + .llcc_config = sm6350_cfg, + .num_config = ARRAY_SIZE(sm6350_cfg), }; -static const struct qcom_llcc_config sm7150_cfg = { - .sct_data = sm7150_data, - .size = ARRAY_SIZE(sm7150_data), - .need_llcc_cfg = true, - .reg_offset = llcc_v1_reg_offset, - .edac_reg_offset = &llcc_v1_edac_reg_offset, +static const struct qcom_sct_config sm7150_cfgs = { + .llcc_config = sm7150_cfg, + .num_config = ARRAY_SIZE(sm7150_cfg), }; -static const struct qcom_llcc_config sm8150_cfg = { - .sct_data = sm8150_data, - .size = ARRAY_SIZE(sm8150_data), - .need_llcc_cfg = true, - .reg_offset = llcc_v1_reg_offset, - .edac_reg_offset = &llcc_v1_edac_reg_offset, +static const struct qcom_sct_config sm8150_cfgs = { + .llcc_config = sm8150_cfg, + .num_config = ARRAY_SIZE(sm8150_cfg), }; -static const struct qcom_llcc_config sm8250_cfg = { - .sct_data = sm8250_data, - .size = ARRAY_SIZE(sm8250_data), - .need_llcc_cfg = true, - .reg_offset = llcc_v1_reg_offset, - .edac_reg_offset = &llcc_v1_edac_reg_offset, +static const struct qcom_sct_config sm8250_cfgs = { + .llcc_config = sm8250_cfg, + .num_config = ARRAY_SIZE(sm8250_cfg), }; -static const struct qcom_llcc_config sm8350_cfg = { - .sct_data = sm8350_data, - .size = ARRAY_SIZE(sm8350_data), - .need_llcc_cfg = true, - .reg_offset = llcc_v1_reg_offset, - .edac_reg_offset = &llcc_v1_edac_reg_offset, +static const struct qcom_sct_config sm8350_cfgs = { + .llcc_config = sm8350_cfg, + .num_config = ARRAY_SIZE(sm8350_cfg), }; -static const struct qcom_llcc_config sm8450_cfg = { - .sct_data = sm8450_data, - .size = ARRAY_SIZE(sm8450_data), - .need_llcc_cfg = true, - .reg_offset = llcc_v2_1_reg_offset, - .edac_reg_offset = &llcc_v2_1_edac_reg_offset, +static const struct qcom_sct_config sm8450_cfgs = { + .llcc_config = sm8450_cfg, + .num_config = ARRAY_SIZE(sm8450_cfg), }; -static const struct qcom_llcc_config sm8550_cfg = { - .sct_data = sm8550_data, - .size = ARRAY_SIZE(sm8550_data), - .need_llcc_cfg = true, - .reg_offset = llcc_v2_1_reg_offset, - .edac_reg_offset = &llcc_v2_1_edac_reg_offset, +static const struct qcom_sct_config sm8550_cfgs = { + .llcc_config = sm8550_cfg, + .num_config = ARRAY_SIZE(sm8550_cfg), }; static struct llcc_drv_data *drv_data = (void *) -EPROBE_DEFER; @@ -906,11 +1062,28 @@ static int qcom_llcc_cfg_program(struct platform_device *pdev, return ret; } -static int qcom_llcc_remove(struct platform_device *pdev) +static int qcom_llcc_get_cfg_index(struct platform_device *pdev, u8 *cfg_index, int num_config) +{ + int ret; + + ret = nvmem_cell_read_u8(&pdev->dev, "multi-chan-ddr", cfg_index); + if (ret == -ENOENT || ret == -EOPNOTSUPP) { + if (num_config > 1) + return -EINVAL; + *cfg_index = 0; + return 0; + } + + if (!ret && *cfg_index >= num_config) + ret = -EINVAL; + + return ret; +} + +static void qcom_llcc_remove(struct platform_device *pdev) { /* Set the global pointer to a error code to avoid referencing it */ drv_data = ERR_PTR(-ENODEV); - return 0; } static struct regmap *qcom_llcc_init_mmio(struct platform_device *pdev, u8 index, @@ -938,12 +1111,17 @@ static int qcom_llcc_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; int ret, i; struct platform_device *llcc_edac; + const struct qcom_sct_config *cfgs; const struct qcom_llcc_config *cfg; const struct llcc_slice_config *llcc_cfg; u32 sz; + u8 cfg_index; u32 version; struct regmap *regmap; + if (!IS_ERR(drv_data)) + return -EBUSY; + drv_data = devm_kzalloc(dev, sizeof(*drv_data), GFP_KERNEL); if (!drv_data) { ret = -ENOMEM; @@ -957,7 +1135,15 @@ static int qcom_llcc_probe(struct platform_device *pdev) goto err; } - cfg = of_device_get_match_data(&pdev->dev); + cfgs = of_device_get_match_data(&pdev->dev); + if (!cfgs) { + ret = -EINVAL; + goto err; + } + ret = qcom_llcc_get_cfg_index(pdev, &cfg_index, cfgs->num_config); + if (ret) + goto err; + cfg = &cfgs->llcc_config[cfg_index]; ret = regmap_read(regmap, cfg->reg_offset[LLCC_COMMON_STATUS0], &num_banks); if (ret) @@ -1050,18 +1236,19 @@ err: } static const struct of_device_id qcom_llcc_of_match[] = { - { .compatible = "qcom,sc7180-llcc", .data = &sc7180_cfg }, - { .compatible = "qcom,sc7280-llcc", .data = &sc7280_cfg }, - { .compatible = "qcom,sc8180x-llcc", .data = &sc8180x_cfg }, - { .compatible = "qcom,sc8280xp-llcc", .data = &sc8280xp_cfg }, - { .compatible = "qcom,sdm845-llcc", .data = &sdm845_cfg }, - { .compatible = "qcom,sm6350-llcc", .data = &sm6350_cfg }, - { .compatible = "qcom,sm7150-llcc", .data = &sm7150_cfg }, - { .compatible = "qcom,sm8150-llcc", .data = &sm8150_cfg }, - { .compatible = "qcom,sm8250-llcc", .data = &sm8250_cfg }, - { .compatible = "qcom,sm8350-llcc", .data = &sm8350_cfg }, - { .compatible = "qcom,sm8450-llcc", .data = &sm8450_cfg }, - { .compatible = "qcom,sm8550-llcc", .data = &sm8550_cfg }, + { .compatible = "qcom,qdu1000-llcc", .data = &qdu1000_cfgs}, + { .compatible = "qcom,sc7180-llcc", .data = &sc7180_cfgs }, + { .compatible = "qcom,sc7280-llcc", .data = &sc7280_cfgs }, + { .compatible = "qcom,sc8180x-llcc", .data = &sc8180x_cfgs }, + { .compatible = "qcom,sc8280xp-llcc", .data = &sc8280xp_cfgs }, + { .compatible = "qcom,sdm845-llcc", .data = &sdm845_cfgs }, + { .compatible = "qcom,sm6350-llcc", .data = &sm6350_cfgs }, + { .compatible = "qcom,sm7150-llcc", .data = &sm7150_cfgs }, + { .compatible = "qcom,sm8150-llcc", .data = &sm8150_cfgs }, + { .compatible = "qcom,sm8250-llcc", .data = &sm8250_cfgs }, + { .compatible = "qcom,sm8350-llcc", .data = &sm8350_cfgs }, + { .compatible = "qcom,sm8450-llcc", .data = &sm8450_cfgs }, + { .compatible = "qcom,sm8550-llcc", .data = &sm8550_cfgs }, { } }; MODULE_DEVICE_TABLE(of, qcom_llcc_of_match); @@ -1072,7 +1259,7 @@ static struct platform_driver qcom_llcc_driver = { .of_match_table = qcom_llcc_of_match, }, .probe = qcom_llcc_probe, - .remove = qcom_llcc_remove, + .remove_new = qcom_llcc_remove, }; module_platform_driver(qcom_llcc_driver); diff --git a/drivers/soc/qcom/ocmem.c b/drivers/soc/qcom/ocmem.c index 20f5461d46b9..e8841d247953 100644 --- a/drivers/soc/qcom/ocmem.c +++ b/drivers/soc/qcom/ocmem.c @@ -211,7 +211,7 @@ struct ocmem *of_get_ocmem(struct device *dev) } return ocmem; } -EXPORT_SYMBOL(of_get_ocmem); +EXPORT_SYMBOL_GPL(of_get_ocmem); struct ocmem_buf *ocmem_allocate(struct ocmem *ocmem, enum ocmem_client client, unsigned long size) @@ -267,7 +267,7 @@ err_unlock: return ERR_PTR(ret); } -EXPORT_SYMBOL(ocmem_allocate); +EXPORT_SYMBOL_GPL(ocmem_allocate); void ocmem_free(struct ocmem *ocmem, enum ocmem_client client, struct ocmem_buf *buf) @@ -294,7 +294,7 @@ void ocmem_free(struct ocmem *ocmem, enum ocmem_client client, clear_bit_unlock(BIT(client), &ocmem->active_allocations); } -EXPORT_SYMBOL(ocmem_free); +EXPORT_SYMBOL_GPL(ocmem_free); static int ocmem_dev_probe(struct platform_device *pdev) { @@ -416,14 +416,12 @@ err_clk_disable: return ret; } -static int ocmem_dev_remove(struct platform_device *pdev) +static void ocmem_dev_remove(struct platform_device *pdev) { struct ocmem *ocmem = platform_get_drvdata(pdev); clk_disable_unprepare(ocmem->core_clk); clk_disable_unprepare(ocmem->iface_clk); - - return 0; } static const struct ocmem_config ocmem_8226_config = { @@ -446,7 +444,7 @@ MODULE_DEVICE_TABLE(of, ocmem_of_match); static struct platform_driver ocmem_driver = { .probe = ocmem_dev_probe, - .remove = ocmem_dev_remove, + .remove_new = ocmem_dev_remove, .driver = { .name = "ocmem", .of_match_table = ocmem_of_match, diff --git a/drivers/soc/qcom/pdr_interface.c b/drivers/soc/qcom/pdr_interface.c index 0034af927b48..a1b6a4081dea 100644 --- a/drivers/soc/qcom/pdr_interface.c +++ b/drivers/soc/qcom/pdr_interface.c @@ -554,7 +554,7 @@ err: kfree(pds); return ERR_PTR(ret); } -EXPORT_SYMBOL(pdr_add_lookup); +EXPORT_SYMBOL_GPL(pdr_add_lookup); /** * pdr_restart_pd() - restart PD @@ -634,7 +634,7 @@ int pdr_restart_pd(struct pdr_handle *pdr, struct pdr_service *pds) return 0; } -EXPORT_SYMBOL(pdr_restart_pd); +EXPORT_SYMBOL_GPL(pdr_restart_pd); /** * pdr_handle_alloc() - initialize the PDR client handle @@ -715,7 +715,7 @@ free_pdr_handle: return ERR_PTR(ret); } -EXPORT_SYMBOL(pdr_handle_alloc); +EXPORT_SYMBOL_GPL(pdr_handle_alloc); /** * pdr_handle_release() - release the PDR client handle @@ -749,7 +749,7 @@ void pdr_handle_release(struct pdr_handle *pdr) kfree(pdr); } -EXPORT_SYMBOL(pdr_handle_release); +EXPORT_SYMBOL_GPL(pdr_handle_release); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("Qualcomm Protection Domain Restart helpers"); diff --git a/drivers/soc/qcom/pmic_glink.c b/drivers/soc/qcom/pmic_glink.c index 61c89ddfc75b..914057331afd 100644 --- a/drivers/soc/qcom/pmic_glink.c +++ b/drivers/soc/qcom/pmic_glink.c @@ -318,7 +318,7 @@ out_release_ucsi_aux: return ret; } -static int pmic_glink_remove(struct platform_device *pdev) +static void pmic_glink_remove(struct platform_device *pdev) { struct pmic_glink *pg = dev_get_drvdata(&pdev->dev); @@ -334,8 +334,6 @@ static int pmic_glink_remove(struct platform_device *pdev) mutex_lock(&__pmic_glink_lock); __pmic_glink = NULL; mutex_unlock(&__pmic_glink_lock); - - return 0; } static const unsigned long pmic_glink_sm8450_client_mask = BIT(PMIC_GLINK_CLIENT_BATT) | @@ -352,7 +350,7 @@ MODULE_DEVICE_TABLE(of, pmic_glink_of_match); static struct platform_driver pmic_glink_driver = { .probe = pmic_glink_probe, - .remove = pmic_glink_remove, + .remove_new = pmic_glink_remove, .driver = { .name = "qcom_pmic_glink", .of_match_table = pmic_glink_of_match, diff --git a/drivers/soc/qcom/pmic_glink_altmode.c b/drivers/soc/qcom/pmic_glink_altmode.c index d05e0d6edf49..b78279e2f54c 100644 --- a/drivers/soc/qcom/pmic_glink_altmode.c +++ b/drivers/soc/qcom/pmic_glink_altmode.c @@ -160,7 +160,7 @@ static void pmic_glink_altmode_enable_dp(struct pmic_glink_altmode *altmode, ret = typec_mux_set(port->typec_mux, &port->state); if (ret) - dev_err(altmode->dev, "failed to switch mux to DP\n"); + dev_err(altmode->dev, "failed to switch mux to DP: %d\n", ret); port->retimer_state.alt = &port->dp_alt; port->retimer_state.data = &dp_data; @@ -168,7 +168,7 @@ static void pmic_glink_altmode_enable_dp(struct pmic_glink_altmode *altmode, ret = typec_retimer_set(port->typec_retimer, &port->retimer_state); if (ret) - dev_err(altmode->dev, "failed to setup retimer to DP\n"); + dev_err(altmode->dev, "failed to setup retimer to DP: %d\n", ret); } static void pmic_glink_altmode_enable_usb(struct pmic_glink_altmode *altmode, @@ -182,7 +182,7 @@ static void pmic_glink_altmode_enable_usb(struct pmic_glink_altmode *altmode, ret = typec_mux_set(port->typec_mux, &port->state); if (ret) - dev_err(altmode->dev, "failed to switch mux to USB\n"); + dev_err(altmode->dev, "failed to switch mux to USB: %d\n", ret); port->retimer_state.alt = NULL; port->retimer_state.data = NULL; @@ -190,7 +190,7 @@ static void pmic_glink_altmode_enable_usb(struct pmic_glink_altmode *altmode, ret = typec_retimer_set(port->typec_retimer, &port->retimer_state); if (ret) - dev_err(altmode->dev, "failed to setup retimer to USB\n"); + dev_err(altmode->dev, "failed to setup retimer to USB: %d\n", ret); } static void pmic_glink_altmode_safe(struct pmic_glink_altmode *altmode, @@ -204,7 +204,7 @@ static void pmic_glink_altmode_safe(struct pmic_glink_altmode *altmode, ret = typec_mux_set(port->typec_mux, &port->state); if (ret) - dev_err(altmode->dev, "failed to switch mux to safe mode\n"); + dev_err(altmode->dev, "failed to switch mux to safe mode: %d\n", ret); port->retimer_state.alt = NULL; port->retimer_state.data = NULL; @@ -212,7 +212,7 @@ static void pmic_glink_altmode_safe(struct pmic_glink_altmode *altmode, ret = typec_retimer_set(port->typec_retimer, &port->retimer_state); if (ret) - dev_err(altmode->dev, "failed to setup retimer to USB\n"); + dev_err(altmode->dev, "failed to setup retimer to USB: %d\n", ret); } static void pmic_glink_altmode_worker(struct work_struct *work) @@ -397,7 +397,7 @@ static void pmic_glink_altmode_enable_worker(struct work_struct *work) ret = pmic_glink_altmode_request(altmode, ALTMODE_PAN_EN, 0); if (ret) - dev_err(altmode->dev, "failed to request altmode notifications\n"); + dev_err(altmode->dev, "failed to request altmode notifications: %d\n", ret); } static void pmic_glink_altmode_pdr_notify(void *priv, int state) @@ -444,6 +444,7 @@ static int pmic_glink_altmode_probe(struct auxiliary_device *adev, ret = fwnode_property_read_u32(fwnode, "reg", &port); if (ret < 0) { dev_err(dev, "missing reg property of %pOFn\n", fwnode); + fwnode_handle_put(fwnode); return ret; } @@ -454,6 +455,7 @@ static int pmic_glink_altmode_probe(struct auxiliary_device *adev, if (altmode->ports[port].altmode) { dev_err(dev, "multiple connector definition for port %u\n", port); + fwnode_handle_put(fwnode); return -EINVAL; } @@ -465,48 +467,62 @@ static int pmic_glink_altmode_probe(struct auxiliary_device *adev, alt_port->bridge.funcs = &pmic_glink_altmode_bridge_funcs; alt_port->bridge.of_node = to_of_node(fwnode); alt_port->bridge.ops = DRM_BRIDGE_OP_HPD; - alt_port->bridge.type = DRM_MODE_CONNECTOR_USB; + alt_port->bridge.type = DRM_MODE_CONNECTOR_DisplayPort; ret = devm_drm_bridge_add(dev, &alt_port->bridge); - if (ret) + if (ret) { + fwnode_handle_put(fwnode); return ret; + } alt_port->dp_alt.svid = USB_TYPEC_DP_SID; alt_port->dp_alt.mode = USB_TYPEC_DP_MODE; alt_port->dp_alt.active = 1; alt_port->typec_mux = fwnode_typec_mux_get(fwnode); - if (IS_ERR(alt_port->typec_mux)) + if (IS_ERR(alt_port->typec_mux)) { + fwnode_handle_put(fwnode); return dev_err_probe(dev, PTR_ERR(alt_port->typec_mux), "failed to acquire mode-switch for port: %d\n", port); + } ret = devm_add_action_or_reset(dev, pmic_glink_altmode_put_mux, alt_port->typec_mux); - if (ret) + if (ret) { + fwnode_handle_put(fwnode); return ret; + } alt_port->typec_retimer = fwnode_typec_retimer_get(fwnode); - if (IS_ERR(alt_port->typec_retimer)) + if (IS_ERR(alt_port->typec_retimer)) { + fwnode_handle_put(fwnode); return dev_err_probe(dev, PTR_ERR(alt_port->typec_retimer), "failed to acquire retimer-switch for port: %d\n", port); + } ret = devm_add_action_or_reset(dev, pmic_glink_altmode_put_retimer, alt_port->typec_retimer); - if (ret) + if (ret) { + fwnode_handle_put(fwnode); return ret; + } alt_port->typec_switch = fwnode_typec_switch_get(fwnode); - if (IS_ERR(alt_port->typec_switch)) + if (IS_ERR(alt_port->typec_switch)) { + fwnode_handle_put(fwnode); return dev_err_probe(dev, PTR_ERR(alt_port->typec_switch), "failed to acquire orientation-switch for port: %d\n", port); + } ret = devm_add_action_or_reset(dev, pmic_glink_altmode_put_switch, alt_port->typec_switch); - if (ret) + if (ret) { + fwnode_handle_put(fwnode); return ret; + } } altmode->client = devm_pmic_glink_register_client(dev, diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-se.c index ba788762835f..bdcf44b85b2f 100644 --- a/drivers/soc/qcom/qcom-geni-se.c +++ b/drivers/soc/qcom/qcom-geni-se.c @@ -199,7 +199,7 @@ u32 geni_se_get_qup_hw_version(struct geni_se *se) return readl_relaxed(wrapper->base + QUP_HW_VER_REG); } -EXPORT_SYMBOL(geni_se_get_qup_hw_version); +EXPORT_SYMBOL_GPL(geni_se_get_qup_hw_version); static void geni_se_io_set_mode(void __iomem *base) { @@ -272,7 +272,7 @@ void geni_se_init(struct geni_se *se, u32 rx_wm, u32 rx_rfr) val |= S_COMMON_GENI_S_IRQ_EN; writel_relaxed(val, se->base + SE_GENI_S_IRQ_EN); } -EXPORT_SYMBOL(geni_se_init); +EXPORT_SYMBOL_GPL(geni_se_init); static void geni_se_select_fifo_mode(struct geni_se *se) { @@ -364,7 +364,7 @@ void geni_se_select_mode(struct geni_se *se, enum geni_se_xfer_mode mode) break; } } -EXPORT_SYMBOL(geni_se_select_mode); +EXPORT_SYMBOL_GPL(geni_se_select_mode); /** * DOC: Overview @@ -481,7 +481,7 @@ void geni_se_config_packing(struct geni_se *se, int bpw, int pack_words, if (pack_words || bpw == 32) writel_relaxed(bpw / 16, se->base + SE_GENI_BYTE_GRAN); } -EXPORT_SYMBOL(geni_se_config_packing); +EXPORT_SYMBOL_GPL(geni_se_config_packing); static void geni_se_clks_off(struct geni_se *se) { @@ -512,7 +512,7 @@ int geni_se_resources_off(struct geni_se *se) geni_se_clks_off(se); return 0; } -EXPORT_SYMBOL(geni_se_resources_off); +EXPORT_SYMBOL_GPL(geni_se_resources_off); static int geni_se_clks_on(struct geni_se *se) { @@ -553,7 +553,7 @@ int geni_se_resources_on(struct geni_se *se) return ret; } -EXPORT_SYMBOL(geni_se_resources_on); +EXPORT_SYMBOL_GPL(geni_se_resources_on); /** * geni_se_clk_tbl_get() - Get the clock table to program DFS @@ -594,7 +594,7 @@ int geni_se_clk_tbl_get(struct geni_se *se, unsigned long **tbl) *tbl = se->clk_perf_tbl; return se->num_clk_levels; } -EXPORT_SYMBOL(geni_se_clk_tbl_get); +EXPORT_SYMBOL_GPL(geni_se_clk_tbl_get); /** * geni_se_clk_freq_match() - Get the matching or closest SE clock frequency @@ -656,7 +656,7 @@ int geni_se_clk_freq_match(struct geni_se *se, unsigned long req_freq, return 0; } -EXPORT_SYMBOL(geni_se_clk_freq_match); +EXPORT_SYMBOL_GPL(geni_se_clk_freq_match); #define GENI_SE_DMA_DONE_EN BIT(0) #define GENI_SE_DMA_EOT_EN BIT(1) @@ -684,7 +684,7 @@ void geni_se_tx_init_dma(struct geni_se *se, dma_addr_t iova, size_t len) writel_relaxed(GENI_SE_DMA_EOT_BUF, se->base + SE_DMA_TX_ATTR); writel(len, se->base + SE_DMA_TX_LEN); } -EXPORT_SYMBOL(geni_se_tx_init_dma); +EXPORT_SYMBOL_GPL(geni_se_tx_init_dma); /** * geni_se_tx_dma_prep() - Prepare the serial engine for TX DMA transfer @@ -712,7 +712,7 @@ int geni_se_tx_dma_prep(struct geni_se *se, void *buf, size_t len, geni_se_tx_init_dma(se, *iova, len); return 0; } -EXPORT_SYMBOL(geni_se_tx_dma_prep); +EXPORT_SYMBOL_GPL(geni_se_tx_dma_prep); /** * geni_se_rx_init_dma() - Initiate RX DMA transfer on the serial engine @@ -736,7 +736,7 @@ void geni_se_rx_init_dma(struct geni_se *se, dma_addr_t iova, size_t len) writel_relaxed(0, se->base + SE_DMA_RX_ATTR); writel(len, se->base + SE_DMA_RX_LEN); } -EXPORT_SYMBOL(geni_se_rx_init_dma); +EXPORT_SYMBOL_GPL(geni_se_rx_init_dma); /** * geni_se_rx_dma_prep() - Prepare the serial engine for RX DMA transfer @@ -764,7 +764,7 @@ int geni_se_rx_dma_prep(struct geni_se *se, void *buf, size_t len, geni_se_rx_init_dma(se, *iova, len); return 0; } -EXPORT_SYMBOL(geni_se_rx_dma_prep); +EXPORT_SYMBOL_GPL(geni_se_rx_dma_prep); /** * geni_se_tx_dma_unprep() - Unprepare the serial engine after TX DMA transfer @@ -781,7 +781,7 @@ void geni_se_tx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len) if (!dma_mapping_error(wrapper->dev, iova)) dma_unmap_single(wrapper->dev, iova, len, DMA_TO_DEVICE); } -EXPORT_SYMBOL(geni_se_tx_dma_unprep); +EXPORT_SYMBOL_GPL(geni_se_tx_dma_unprep); /** * geni_se_rx_dma_unprep() - Unprepare the serial engine after RX DMA transfer @@ -798,7 +798,7 @@ void geni_se_rx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len) if (!dma_mapping_error(wrapper->dev, iova)) dma_unmap_single(wrapper->dev, iova, len, DMA_FROM_DEVICE); } -EXPORT_SYMBOL(geni_se_rx_dma_unprep); +EXPORT_SYMBOL_GPL(geni_se_rx_dma_unprep); int geni_icc_get(struct geni_se *se, const char *icc_ddr) { @@ -827,7 +827,7 @@ err: return err; } -EXPORT_SYMBOL(geni_icc_get); +EXPORT_SYMBOL_GPL(geni_icc_get); int geni_icc_set_bw(struct geni_se *se) { @@ -845,7 +845,7 @@ int geni_icc_set_bw(struct geni_se *se) return 0; } -EXPORT_SYMBOL(geni_icc_set_bw); +EXPORT_SYMBOL_GPL(geni_icc_set_bw); void geni_icc_set_tag(struct geni_se *se, u32 tag) { @@ -854,7 +854,7 @@ void geni_icc_set_tag(struct geni_se *se, u32 tag) for (i = 0; i < ARRAY_SIZE(se->icc_paths); i++) icc_set_tag(se->icc_paths[i].path, tag); } -EXPORT_SYMBOL(geni_icc_set_tag); +EXPORT_SYMBOL_GPL(geni_icc_set_tag); /* To do: Replace this by icc_bulk_enable once it's implemented in ICC core */ int geni_icc_enable(struct geni_se *se) @@ -872,7 +872,7 @@ int geni_icc_enable(struct geni_se *se) return 0; } -EXPORT_SYMBOL(geni_icc_enable); +EXPORT_SYMBOL_GPL(geni_icc_enable); int geni_icc_disable(struct geni_se *se) { @@ -889,7 +889,7 @@ int geni_icc_disable(struct geni_se *se) return 0; } -EXPORT_SYMBOL(geni_icc_disable); +EXPORT_SYMBOL_GPL(geni_icc_disable); static int geni_se_probe(struct platform_device *pdev) { diff --git a/drivers/soc/qcom/qcom_aoss.c b/drivers/soc/qcom/qcom_aoss.c index 77f0cf126629..aff0cfb71482 100644 --- a/drivers/soc/qcom/qcom_aoss.c +++ b/drivers/soc/qcom/qcom_aoss.c @@ -260,7 +260,7 @@ int qmp_send(struct qmp *qmp, const char *fmt, ...) return ret; } -EXPORT_SYMBOL(qmp_send); +EXPORT_SYMBOL_GPL(qmp_send); static int qmp_qdss_clk_prepare(struct clk_hw *hw) { @@ -458,7 +458,7 @@ struct qmp *qmp_get(struct device *dev) } return qmp; } -EXPORT_SYMBOL(qmp_get); +EXPORT_SYMBOL_GPL(qmp_get); /** * qmp_put() - release a qmp handle @@ -473,7 +473,7 @@ void qmp_put(struct qmp *qmp) if (!IS_ERR_OR_NULL(qmp)) put_device(qmp->dev); } -EXPORT_SYMBOL(qmp_put); +EXPORT_SYMBOL_GPL(qmp_put); static int qmp_probe(struct platform_device *pdev) { @@ -533,7 +533,7 @@ err_free_mbox: return ret; } -static int qmp_remove(struct platform_device *pdev) +static void qmp_remove(struct platform_device *pdev) { struct qmp *qmp = platform_get_drvdata(pdev); @@ -542,8 +542,6 @@ static int qmp_remove(struct platform_device *pdev) qmp_close(qmp); mbox_free_channel(qmp->mbox_chan); - - return 0; } static const struct of_device_id qmp_dt_match[] = { @@ -565,7 +563,7 @@ static struct platform_driver qmp_driver = { .suppress_bind_attrs = true, }, .probe = qmp_probe, - .remove = qmp_remove, + .remove_new = qmp_remove, }; module_platform_driver(qmp_driver); diff --git a/drivers/soc/qcom/qcom_gsbi.c b/drivers/soc/qcom/qcom_gsbi.c index df7907a83aa8..f04b9a324ea9 100644 --- a/drivers/soc/qcom/qcom_gsbi.c +++ b/drivers/soc/qcom/qcom_gsbi.c @@ -212,13 +212,11 @@ static int gsbi_probe(struct platform_device *pdev) return of_platform_populate(node, NULL, NULL, &pdev->dev); } -static int gsbi_remove(struct platform_device *pdev) +static void gsbi_remove(struct platform_device *pdev) { struct gsbi_info *gsbi = platform_get_drvdata(pdev); clk_disable_unprepare(gsbi->hclk); - - return 0; } static const struct of_device_id gsbi_dt_match[] = { @@ -234,7 +232,7 @@ static struct platform_driver gsbi_driver = { .of_match_table = gsbi_dt_match, }, .probe = gsbi_probe, - .remove = gsbi_remove, + .remove_new = gsbi_remove, }; module_platform_driver(gsbi_driver); diff --git a/drivers/soc/qcom/qcom_stats.c b/drivers/soc/qcom/qcom_stats.c index c207bb96c523..0216fc24f2ca 100644 --- a/drivers/soc/qcom/qcom_stats.c +++ b/drivers/soc/qcom/qcom_stats.c @@ -216,13 +216,11 @@ static int qcom_stats_probe(struct platform_device *pdev) return 0; } -static int qcom_stats_remove(struct platform_device *pdev) +static void qcom_stats_remove(struct platform_device *pdev) { struct dentry *root = platform_get_drvdata(pdev); debugfs_remove_recursive(root); - - return 0; } static const struct stats_config rpm_data = { @@ -272,7 +270,7 @@ MODULE_DEVICE_TABLE(of, qcom_stats_table); static struct platform_driver qcom_stats = { .probe = qcom_stats_probe, - .remove = qcom_stats_remove, + .remove_new = qcom_stats_remove, .driver = { .name = "qcom_stats", .of_match_table = qcom_stats_table, diff --git a/drivers/soc/qcom/qmi_encdec.c b/drivers/soc/qcom/qmi_encdec.c index 5c7161b18b72..bb09eff85cff 100644 --- a/drivers/soc/qcom/qmi_encdec.c +++ b/drivers/soc/qcom/qmi_encdec.c @@ -754,7 +754,7 @@ void *qmi_encode_message(int type, unsigned int msg_id, size_t *len, return msg; } -EXPORT_SYMBOL(qmi_encode_message); +EXPORT_SYMBOL_GPL(qmi_encode_message); /** * qmi_decode_message() - Decode QMI encoded message to C structure @@ -778,7 +778,7 @@ int qmi_decode_message(const void *buf, size_t len, return qmi_decode(ei, c_struct, buf + sizeof(struct qmi_header), len - sizeof(struct qmi_header), 1); } -EXPORT_SYMBOL(qmi_decode_message); +EXPORT_SYMBOL_GPL(qmi_decode_message); /* Common header in all QMI responses */ const struct qmi_elem_info qmi_response_type_v01_ei[] = { @@ -810,7 +810,7 @@ const struct qmi_elem_info qmi_response_type_v01_ei[] = { .ei_array = NULL, }, }; -EXPORT_SYMBOL(qmi_response_type_v01_ei); +EXPORT_SYMBOL_GPL(qmi_response_type_v01_ei); MODULE_DESCRIPTION("QMI encoder/decoder helper"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/soc/qcom/qmi_interface.c b/drivers/soc/qcom/qmi_interface.c index 78d7361fdcf2..bb98b06e87f8 100644 --- a/drivers/soc/qcom/qmi_interface.c +++ b/drivers/soc/qcom/qmi_interface.c @@ -223,7 +223,7 @@ int qmi_add_lookup(struct qmi_handle *qmi, unsigned int service, return 0; } -EXPORT_SYMBOL(qmi_add_lookup); +EXPORT_SYMBOL_GPL(qmi_add_lookup); static void qmi_send_new_server(struct qmi_handle *qmi, struct qmi_service *svc) { @@ -287,7 +287,7 @@ int qmi_add_server(struct qmi_handle *qmi, unsigned int service, return 0; } -EXPORT_SYMBOL(qmi_add_server); +EXPORT_SYMBOL_GPL(qmi_add_server); /** * qmi_txn_init() - allocate transaction id within the given QMI handle @@ -328,7 +328,7 @@ int qmi_txn_init(struct qmi_handle *qmi, struct qmi_txn *txn, return ret; } -EXPORT_SYMBOL(qmi_txn_init); +EXPORT_SYMBOL_GPL(qmi_txn_init); /** * qmi_txn_wait() - wait for a response on a transaction @@ -359,7 +359,7 @@ int qmi_txn_wait(struct qmi_txn *txn, unsigned long timeout) else return txn->result; } -EXPORT_SYMBOL(qmi_txn_wait); +EXPORT_SYMBOL_GPL(qmi_txn_wait); /** * qmi_txn_cancel() - cancel an ongoing transaction @@ -375,7 +375,7 @@ void qmi_txn_cancel(struct qmi_txn *txn) mutex_unlock(&txn->lock); mutex_unlock(&qmi->txn_lock); } -EXPORT_SYMBOL(qmi_txn_cancel); +EXPORT_SYMBOL_GPL(qmi_txn_cancel); /** * qmi_invoke_handler() - find and invoke a handler for a message @@ -676,7 +676,7 @@ err_free_recv_buf: return ret; } -EXPORT_SYMBOL(qmi_handle_init); +EXPORT_SYMBOL_GPL(qmi_handle_init); /** * qmi_handle_release() - release the QMI client handle @@ -717,7 +717,7 @@ void qmi_handle_release(struct qmi_handle *qmi) kfree(svc); } } -EXPORT_SYMBOL(qmi_handle_release); +EXPORT_SYMBOL_GPL(qmi_handle_release); /** * qmi_send_message() - send a QMI message @@ -796,7 +796,7 @@ ssize_t qmi_send_request(struct qmi_handle *qmi, struct sockaddr_qrtr *sq, return qmi_send_message(qmi, sq, txn, QMI_REQUEST, msg_id, len, ei, c_struct); } -EXPORT_SYMBOL(qmi_send_request); +EXPORT_SYMBOL_GPL(qmi_send_request); /** * qmi_send_response() - send a response QMI message @@ -817,7 +817,7 @@ ssize_t qmi_send_response(struct qmi_handle *qmi, struct sockaddr_qrtr *sq, return qmi_send_message(qmi, sq, txn, QMI_RESPONSE, msg_id, len, ei, c_struct); } -EXPORT_SYMBOL(qmi_send_response); +EXPORT_SYMBOL_GPL(qmi_send_response); /** * qmi_send_indication() - send an indication QMI message @@ -851,4 +851,4 @@ ssize_t qmi_send_indication(struct qmi_handle *qmi, struct sockaddr_qrtr *sq, return rval; } -EXPORT_SYMBOL(qmi_send_indication); +EXPORT_SYMBOL_GPL(qmi_send_indication); diff --git a/drivers/soc/qcom/rmtfs_mem.c b/drivers/soc/qcom/rmtfs_mem.c index f83811f51175..df850d073102 100644 --- a/drivers/soc/qcom/rmtfs_mem.c +++ b/drivers/soc/qcom/rmtfs_mem.c @@ -200,6 +200,15 @@ static int qcom_rmtfs_mem_probe(struct platform_device *pdev) rmtfs_mem->client_id = client_id; rmtfs_mem->size = rmem->size; + /* + * If requested, discard the first and last 4k block in order to ensure + * that the rmtfs region isn't adjacent to other protected regions. + */ + if (of_property_read_bool(node, "qcom,use-guard-pages")) { + rmtfs_mem->addr += SZ_4K; + rmtfs_mem->size -= 2 * SZ_4K; + } + device_initialize(&rmtfs_mem->dev); rmtfs_mem->dev.parent = &pdev->dev; rmtfs_mem->dev.groups = qcom_rmtfs_mem_groups; @@ -281,7 +290,7 @@ put_device: return ret; } -static int qcom_rmtfs_mem_remove(struct platform_device *pdev) +static void qcom_rmtfs_mem_remove(struct platform_device *pdev) { struct qcom_rmtfs_mem *rmtfs_mem = dev_get_drvdata(&pdev->dev); struct qcom_scm_vmperm perm; @@ -296,8 +305,6 @@ static int qcom_rmtfs_mem_remove(struct platform_device *pdev) cdev_device_del(&rmtfs_mem->cdev, &rmtfs_mem->dev); put_device(&rmtfs_mem->dev); - - return 0; } static const struct of_device_id qcom_rmtfs_mem_of_match[] = { @@ -308,7 +315,7 @@ MODULE_DEVICE_TABLE(of, qcom_rmtfs_mem_of_match); static struct platform_driver qcom_rmtfs_mem_driver = { .probe = qcom_rmtfs_mem_probe, - .remove = qcom_rmtfs_mem_remove, + .remove_new = qcom_rmtfs_mem_remove, .driver = { .name = "qcom_rmtfs_mem", .of_match_table = qcom_rmtfs_mem_of_match, diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c index 08e09642d7f5..9f26d7f9b9dc 100644 --- a/drivers/soc/qcom/rpmh.c +++ b/drivers/soc/qcom/rpmh.c @@ -239,7 +239,7 @@ int rpmh_write_async(const struct device *dev, enum rpmh_state state, return __rpmh_write(dev, state, rpm_msg); } -EXPORT_SYMBOL(rpmh_write_async); +EXPORT_SYMBOL_GPL(rpmh_write_async); /** * rpmh_write: Write a set of RPMH commands and block until response @@ -270,7 +270,7 @@ int rpmh_write(const struct device *dev, enum rpmh_state state, WARN_ON(!ret); return (ret > 0) ? 0 : -ETIMEDOUT; } -EXPORT_SYMBOL(rpmh_write); +EXPORT_SYMBOL_GPL(rpmh_write); static void cache_batch(struct rpmh_ctrlr *ctrlr, struct batch_cache_req *req) { @@ -395,7 +395,7 @@ exit: return ret; } -EXPORT_SYMBOL(rpmh_write_batch); +EXPORT_SYMBOL_GPL(rpmh_write_batch); static int is_req_valid(struct cache_req *req) { @@ -500,4 +500,4 @@ void rpmh_invalidate(const struct device *dev) ctrlr->dirty = true; spin_unlock_irqrestore(&ctrlr->cache_lock, flags); } -EXPORT_SYMBOL(rpmh_invalidate); +EXPORT_SYMBOL_GPL(rpmh_invalidate); diff --git a/drivers/soc/qcom/smd-rpm.c b/drivers/soc/qcom/smd-rpm.c index f9fd6177118c..b7056aed4c7d 100644 --- a/drivers/soc/qcom/smd-rpm.c +++ b/drivers/soc/qcom/smd-rpm.c @@ -142,7 +142,7 @@ out: mutex_unlock(&rpm->lock); return ret; } -EXPORT_SYMBOL(qcom_rpm_smd_write); +EXPORT_SYMBOL_GPL(qcom_rpm_smd_write); static int qcom_smd_rpm_callback(struct rpmsg_device *rpdev, void *data, diff --git a/drivers/soc/qcom/smem.c b/drivers/soc/qcom/smem.c index d4a89d2bb43b..690afc9a12f4 100644 --- a/drivers/soc/qcom/smem.c +++ b/drivers/soc/qcom/smem.c @@ -285,7 +285,7 @@ struct qcom_smem { struct smem_partition partitions[SMEM_HOST_COUNT]; unsigned num_regions; - struct smem_region regions[]; + struct smem_region regions[] __counted_by(num_regions); }; static void * @@ -368,7 +368,7 @@ bool qcom_smem_is_available(void) { return !!__smem; } -EXPORT_SYMBOL(qcom_smem_is_available); +EXPORT_SYMBOL_GPL(qcom_smem_is_available); static int qcom_smem_alloc_private(struct qcom_smem *smem, struct smem_partition *part, @@ -1187,14 +1187,12 @@ static int qcom_smem_probe(struct platform_device *pdev) return 0; } -static int qcom_smem_remove(struct platform_device *pdev) +static void qcom_smem_remove(struct platform_device *pdev) { platform_device_unregister(__smem->socinfo); hwspin_lock_free(__smem->hwlock); __smem = NULL; - - return 0; } static const struct of_device_id qcom_smem_of_match[] = { @@ -1205,7 +1203,7 @@ MODULE_DEVICE_TABLE(of, qcom_smem_of_match); static struct platform_driver qcom_smem_driver = { .probe = qcom_smem_probe, - .remove = qcom_smem_remove, + .remove_new = qcom_smem_remove, .driver = { .name = "qcom-smem", .of_match_table = qcom_smem_of_match, diff --git a/drivers/soc/qcom/smp2p.c b/drivers/soc/qcom/smp2p.c index e9c8030d50ee..914b2246148f 100644 --- a/drivers/soc/qcom/smp2p.c +++ b/drivers/soc/qcom/smp2p.c @@ -660,7 +660,7 @@ report_read_failure: return -EINVAL; } -static int qcom_smp2p_remove(struct platform_device *pdev) +static void qcom_smp2p_remove(struct platform_device *pdev) { struct qcom_smp2p *smp2p = platform_get_drvdata(pdev); struct smp2p_entry *entry; @@ -676,8 +676,6 @@ static int qcom_smp2p_remove(struct platform_device *pdev) mbox_free_channel(smp2p->mbox_chan); smp2p->out->valid_entries = 0; - - return 0; } static const struct of_device_id qcom_smp2p_of_match[] = { @@ -688,7 +686,7 @@ MODULE_DEVICE_TABLE(of, qcom_smp2p_of_match); static struct platform_driver qcom_smp2p_driver = { .probe = qcom_smp2p_probe, - .remove = qcom_smp2p_remove, + .remove_new = qcom_smp2p_remove, .driver = { .name = "qcom_smp2p", .of_match_table = qcom_smp2p_of_match, diff --git a/drivers/soc/qcom/smsm.c b/drivers/soc/qcom/smsm.c index c58cfff64856..e7c7e9a640a6 100644 --- a/drivers/soc/qcom/smsm.c +++ b/drivers/soc/qcom/smsm.c @@ -613,7 +613,7 @@ out_put: return ret; } -static int qcom_smsm_remove(struct platform_device *pdev) +static void qcom_smsm_remove(struct platform_device *pdev) { struct qcom_smsm *smsm = platform_get_drvdata(pdev); unsigned id; @@ -623,8 +623,6 @@ static int qcom_smsm_remove(struct platform_device *pdev) irq_domain_remove(smsm->entries[id].domain); qcom_smem_state_unregister(smsm->state); - - return 0; } static const struct of_device_id qcom_smsm_of_match[] = { @@ -635,7 +633,7 @@ MODULE_DEVICE_TABLE(of, qcom_smsm_of_match); static struct platform_driver qcom_smsm_driver = { .probe = qcom_smsm_probe, - .remove = qcom_smsm_remove, + .remove_new = qcom_smsm_remove, .driver = { .name = "qcom-smsm", .of_match_table = qcom_smsm_of_match, diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c index 497cfb720fcb..51e05bec5bfc 100644 --- a/drivers/soc/qcom/socinfo.c +++ b/drivers/soc/qcom/socinfo.c @@ -117,6 +117,12 @@ static const char *const pmic_models[] = { [55] = "PM2250", [58] = "PM8450", [65] = "PM8010", + [69] = "PM8550VS", + [70] = "PM8550VE", + [71] = "PM8550B", + [72] = "PMR735D", + [73] = "PM8550", + [74] = "PMK8550", }; struct socinfo_params { @@ -349,6 +355,7 @@ static const struct soc_id soc_id[] = { { qcom_board_id(SDA439) }, { qcom_board_id(SDA429) }, { qcom_board_id(SM7150) }, + { qcom_board_id(SM7150P) }, { qcom_board_id(IPQ8070) }, { qcom_board_id(IPQ8071) }, { qcom_board_id(QM215) }, @@ -359,6 +366,9 @@ static const struct soc_id soc_id[] = { { qcom_board_id(SM6125) }, { qcom_board_id(IPQ8070A) }, { qcom_board_id(IPQ8071A) }, + { qcom_board_id(IPQ8172) }, + { qcom_board_id(IPQ8173) }, + { qcom_board_id(IPQ8174) }, { qcom_board_id(IPQ6018) }, { qcom_board_id(IPQ6028) }, { qcom_board_id(SDM429W) }, @@ -389,6 +399,7 @@ static const struct soc_id soc_id[] = { { qcom_board_id_named(SM8450_3, "SM8450") }, { qcom_board_id(SC7280) }, { qcom_board_id(SC7180P) }, + { qcom_board_id(QCM6490) }, { qcom_board_id(IPQ5000) }, { qcom_board_id(IPQ0509) }, { qcom_board_id(IPQ0518) }, @@ -776,20 +787,18 @@ static int qcom_socinfo_probe(struct platform_device *pdev) return 0; } -static int qcom_socinfo_remove(struct platform_device *pdev) +static void qcom_socinfo_remove(struct platform_device *pdev) { struct qcom_socinfo *qs = platform_get_drvdata(pdev); soc_device_unregister(qs->soc_dev); socinfo_debugfs_exit(qs); - - return 0; } static struct platform_driver qcom_socinfo_driver = { .probe = qcom_socinfo_probe, - .remove = qcom_socinfo_remove, + .remove_new = qcom_socinfo_remove, .driver = { .name = "qcom-socinfo", }, diff --git a/drivers/soc/qcom/wcnss_ctrl.c b/drivers/soc/qcom/wcnss_ctrl.c index ad9942412c58..148bcbac332d 100644 --- a/drivers/soc/qcom/wcnss_ctrl.c +++ b/drivers/soc/qcom/wcnss_ctrl.c @@ -287,7 +287,7 @@ struct rpmsg_endpoint *qcom_wcnss_open_channel(void *wcnss, const char *name, rp return rpmsg_create_ept(_wcnss->channel->rpdev, cb, priv, chinfo); } -EXPORT_SYMBOL(qcom_wcnss_open_channel); +EXPORT_SYMBOL_GPL(qcom_wcnss_open_channel); static void wcnss_async_probe(struct work_struct *work) { @@ -355,7 +355,6 @@ static struct rpmsg_driver wcnss_ctrl_driver = { .callback = wcnss_ctrl_smd_callback, .drv = { .name = "qcom_wcnss_ctrl", - .owner = THIS_MODULE, .of_match_table = wcnss_ctrl_of_match, }, }; diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig index c55330f58f14..0071864c2111 100644 --- a/drivers/soc/renesas/Kconfig +++ b/drivers/soc/renesas/Kconfig @@ -319,6 +319,12 @@ config ARCH_R9A07G054 help This enables support for the Renesas RZ/V2L SoC variants. +config ARCH_R9A08G045 + bool "ARM64 Platform support for RZ/G3S" + select ARCH_RZG2L + help + This enables support for the Renesas RZ/G3S SoC variants. + config ARCH_R9A09G011 bool "ARM64 Platform support for RZ/V2M" select PM diff --git a/drivers/soc/renesas/renesas-soc.c b/drivers/soc/renesas/renesas-soc.c index 42af7c09f743..c732d4a5b26a 100644 --- a/drivers/soc/renesas/renesas-soc.c +++ b/drivers/soc/renesas/renesas-soc.c @@ -12,7 +12,6 @@ #include <linux/string.h> #include <linux/sys_soc.h> - struct renesas_family { const char name[16]; u32 reg; /* CCCR or PRR, if not in DT */ @@ -72,6 +71,10 @@ static const struct renesas_family fam_rzg2ul __initconst __maybe_unused = { .name = "RZ/G2UL", }; +static const struct renesas_family fam_rzg3s __initconst __maybe_unused = { + .name = "RZ/G3S", +}; + static const struct renesas_family fam_rzv2l __initconst __maybe_unused = { .name = "RZ/V2L", }; @@ -85,7 +88,6 @@ static const struct renesas_family fam_shmobile __initconst __maybe_unused = { .reg = 0xe600101c, /* CCCR (Common Chip Code Register) */ }; - struct renesas_soc { const struct renesas_family *family; u32 id; @@ -170,6 +172,11 @@ static const struct renesas_soc soc_rz_g2ul __initconst __maybe_unused = { .id = 0x8450447, }; +static const struct renesas_soc soc_rz_g3s __initconst __maybe_unused = { + .family = &fam_rzg3s, + .id = 0x85e0447, +}; + static const struct renesas_soc soc_rz_v2l __initconst __maybe_unused = { .family = &fam_rzv2l, .id = 0x8447447, @@ -386,6 +393,9 @@ static const struct of_device_id renesas_socs[] __initconst __maybe_unused = { #ifdef CONFIG_ARCH_R9A07G054 { .compatible = "renesas,r9a07g054", .data = &soc_rz_v2l }, #endif +#ifdef CONFIG_ARCH_R9A08G045 + { .compatible = "renesas,r9a08g045", .data = &soc_rz_g3s }, +#endif #ifdef CONFIG_ARCH_R9A09G011 { .compatible = "renesas,r9a09g011", .data = &soc_rz_v2m }, #endif @@ -429,6 +439,7 @@ static const struct of_device_id renesas_ids[] __initconst = { { .compatible = "renesas,r9a07g043-sysc", .data = &id_rzg2l }, { .compatible = "renesas,r9a07g044-sysc", .data = &id_rzg2l }, { .compatible = "renesas,r9a07g054-sysc", .data = &id_rzg2l }, + { .compatible = "renesas,r9a08g045-sysc", .data = &id_rzg2l }, { .compatible = "renesas,r9a09g011-sys", .data = &id_rzv2m }, { .compatible = "renesas,prr", .data = &id_prr }, { /* sentinel */ } diff --git a/drivers/soc/rockchip/io-domain.c b/drivers/soc/rockchip/io-domain.c index 6619256c2d11..18f809c160a7 100644 --- a/drivers/soc/rockchip/io-domain.c +++ b/drivers/soc/rockchip/io-domain.c @@ -687,7 +687,7 @@ unreg_notify: return ret; } -static int rockchip_iodomain_remove(struct platform_device *pdev) +static void rockchip_iodomain_remove(struct platform_device *pdev) { struct rockchip_iodomain *iod = platform_get_drvdata(pdev); int i; @@ -699,13 +699,11 @@ static int rockchip_iodomain_remove(struct platform_device *pdev) regulator_unregister_notifier(io_supply->reg, &io_supply->nb); } - - return 0; } static struct platform_driver rockchip_iodomain_driver = { .probe = rockchip_iodomain_probe, - .remove = rockchip_iodomain_remove, + .remove_new = rockchip_iodomain_remove, .driver = { .name = "rockchip-iodomain", .of_match_table = rockchip_iodomain_match, diff --git a/drivers/soc/samsung/exynos-chipid.c b/drivers/soc/samsung/exynos-chipid.c index 7ba45c4aff97..3fd0f2b84dd3 100644 --- a/drivers/soc/samsung/exynos-chipid.c +++ b/drivers/soc/samsung/exynos-chipid.c @@ -158,13 +158,11 @@ err: return ret; } -static int exynos_chipid_remove(struct platform_device *pdev) +static void exynos_chipid_remove(struct platform_device *pdev) { struct soc_device *soc_dev = platform_get_drvdata(pdev); soc_device_unregister(soc_dev); - - return 0; } static const struct exynos_chipid_variant exynos4210_chipid_drv_data = { @@ -197,7 +195,7 @@ static struct platform_driver exynos_chipid_driver = { .of_match_table = exynos_chipid_of_device_ids, }, .probe = exynos_chipid_probe, - .remove = exynos_chipid_remove, + .remove_new = exynos_chipid_remove, }; module_platform_driver(exynos_chipid_driver); diff --git a/drivers/soc/sifive/Kconfig b/drivers/soc/sifive/Kconfig index e86870be34c9..139884addc41 100644 --- a/drivers/soc/sifive/Kconfig +++ b/drivers/soc/sifive/Kconfig @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -if SOC_SIFIVE || SOC_STARFIVE +if ARCH_SIFIVE || ARCH_STARFIVE config SIFIVE_CCACHE bool "Sifive Composable Cache controller" diff --git a/drivers/soc/tegra/cbb/tegra194-cbb.c b/drivers/soc/tegra/cbb/tegra194-cbb.c index cf6886f362d3..9cbc562ae7d3 100644 --- a/drivers/soc/tegra/cbb/tegra194-cbb.c +++ b/drivers/soc/tegra/cbb/tegra194-cbb.c @@ -2293,7 +2293,7 @@ static int tegra194_cbb_probe(struct platform_device *pdev) return tegra_cbb_register(&cbb->base); } -static int tegra194_cbb_remove(struct platform_device *pdev) +static void tegra194_cbb_remove(struct platform_device *pdev) { struct tegra194_cbb *cbb = platform_get_drvdata(pdev); struct tegra_cbb *noc, *tmp; @@ -2311,8 +2311,6 @@ static int tegra194_cbb_remove(struct platform_device *pdev) } spin_unlock_irqrestore(&cbb_lock, flags); - - return 0; } static int __maybe_unused tegra194_cbb_resume_noirq(struct device *dev) @@ -2332,7 +2330,7 @@ static const struct dev_pm_ops tegra194_cbb_pm = { static struct platform_driver tegra194_cbb_driver = { .probe = tegra194_cbb_probe, - .remove = tegra194_cbb_remove, + .remove_new = tegra194_cbb_remove, .driver = { .name = "tegra194-cbb", .of_match_table = of_match_ptr(tegra194_cbb_match), diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index 162f52456f65..f432aa022ace 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -1393,13 +1393,6 @@ tegra_pmc_core_pd_set_performance_state(struct generic_pm_domain *genpd, return 0; } -static unsigned int -tegra_pmc_core_pd_opp_to_performance_state(struct generic_pm_domain *genpd, - struct dev_pm_opp *opp) -{ - return dev_pm_opp_get_level(opp); -} - static int tegra_pmc_core_pd_add(struct tegra_pmc *pmc, struct device_node *np) { struct generic_pm_domain *genpd; @@ -1412,7 +1405,6 @@ static int tegra_pmc_core_pd_add(struct tegra_pmc *pmc, struct device_node *np) genpd->name = "core"; genpd->set_performance_state = tegra_pmc_core_pd_set_performance_state; - genpd->opp_to_performance_state = tegra_pmc_core_pd_opp_to_performance_state; err = devm_pm_opp_set_regulators(pmc->dev, rname); if (err) diff --git a/drivers/soc/ti/k3-ringacc.c b/drivers/soc/ti/k3-ringacc.c index 148f54d9691d..fd4251d75935 100644 --- a/drivers/soc/ti/k3-ringacc.c +++ b/drivers/soc/ti/k3-ringacc.c @@ -1551,19 +1551,18 @@ static int k3_ringacc_probe(struct platform_device *pdev) return 0; } -static int k3_ringacc_remove(struct platform_device *pdev) +static void k3_ringacc_remove(struct platform_device *pdev) { struct k3_ringacc *ringacc = dev_get_drvdata(&pdev->dev); mutex_lock(&k3_ringacc_list_lock); list_del(&ringacc->list); mutex_unlock(&k3_ringacc_list_lock); - return 0; } static struct platform_driver k3_ringacc_driver = { .probe = k3_ringacc_probe, - .remove = k3_ringacc_remove, + .remove_new = k3_ringacc_remove, .driver = { .name = "k3-ringacc", .of_match_table = k3_ringacc_of_match, diff --git a/drivers/soc/ti/k3-socinfo.c b/drivers/soc/ti/k3-socinfo.c index 6ea9b8c7d335..7fc3548e084c 100644 --- a/drivers/soc/ti/k3-socinfo.c +++ b/drivers/soc/ti/k3-socinfo.c @@ -20,7 +20,7 @@ * 31-28 VARIANT Device variant * 27-12 PARTNO Part number * 11-1 MFG Indicates TI as manufacturer (0x17) - * 1 Always 1 + * 0 Always 1 */ #define CTRLMMR_WKUP_JTAGID_VARIANT_SHIFT (28) #define CTRLMMR_WKUP_JTAGID_VARIANT_MASK GENMASK(31, 28) @@ -60,7 +60,7 @@ k3_chipinfo_partno_to_names(unsigned int partno, return 0; } - return -EINVAL; + return -ENODEV; } static int k3_chipinfo_probe(struct platform_device *pdev) @@ -111,8 +111,7 @@ static int k3_chipinfo_probe(struct platform_device *pdev) ret = k3_chipinfo_partno_to_names(partno_id, soc_dev_attr); if (ret) { - dev_err(dev, "Unknown SoC JTAGID[0x%08X]\n", jtag_id); - ret = -ENODEV; + dev_err(dev, "Unknown SoC JTAGID[0x%08X]: %d\n", jtag_id, ret); goto err_free_rev; } diff --git a/drivers/soc/ti/knav_dma.c b/drivers/soc/ti/knav_dma.c index 0fbc37cd5123..6023006685fc 100644 --- a/drivers/soc/ti/knav_dma.c +++ b/drivers/soc/ti/knav_dma.c @@ -773,7 +773,7 @@ err_pm_disable: return ret; } -static int knav_dma_remove(struct platform_device *pdev) +static void knav_dma_remove(struct platform_device *pdev) { struct knav_dma_device *dma; @@ -784,8 +784,6 @@ static int knav_dma_remove(struct platform_device *pdev) pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); - - return 0; } static struct of_device_id of_match[] = { @@ -797,7 +795,7 @@ MODULE_DEVICE_TABLE(of, of_match); static struct platform_driver knav_dma_driver = { .probe = knav_dma_probe, - .remove = knav_dma_remove, + .remove_new = knav_dma_remove, .driver = { .name = "keystone-navigator-dma", .of_match_table = of_match, diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index 0f252c2549ba..06fb5505c22c 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -14,10 +14,12 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/of_address.h> -#include <linux/of_device.h> #include <linux/of_irq.h> +#include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <linux/property.h> #include <linux/slab.h> #include <linux/soc/ti/knav_qmss.h> @@ -1754,7 +1756,6 @@ static int knav_queue_probe(struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; struct device_node *qmgrs, *queue_pools, *regions, *pdsps; - const struct of_device_id *match; struct device *dev = &pdev->dev; u32 temp[2]; int ret; @@ -1770,8 +1771,7 @@ static int knav_queue_probe(struct platform_device *pdev) return -ENOMEM; } - match = of_match_device(of_match_ptr(keystone_qmss_of_match), dev); - if (match && match->data) + if (device_get_match_data(dev)) kdev->version = QMSS_66AK2G; platform_set_drvdata(pdev, kdev); @@ -1884,17 +1884,16 @@ err: return ret; } -static int knav_queue_remove(struct platform_device *pdev) +static void knav_queue_remove(struct platform_device *pdev) { /* TODO: Free resources */ pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); - return 0; } static struct platform_driver keystone_qmss_driver = { .probe = knav_queue_probe, - .remove = knav_queue_remove, + .remove_new = knav_queue_remove, .driver = { .name = "keystone-navigator-qmss", .of_match_table = keystone_qmss_of_match, diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c index f04c21157904..8e983c3c4e03 100644 --- a/drivers/soc/ti/pm33xx.c +++ b/drivers/soc/ti/pm33xx.c @@ -583,7 +583,7 @@ err_wkup_m3_ipc_put: return ret; } -static int am33xx_pm_remove(struct platform_device *pdev) +static void am33xx_pm_remove(struct platform_device *pdev) { pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); @@ -594,7 +594,6 @@ static int am33xx_pm_remove(struct platform_device *pdev) am33xx_pm_free_sram(); iounmap(rtc_base_virt); clk_put(rtc_fck); - return 0; } static struct platform_driver am33xx_pm_driver = { @@ -602,7 +601,7 @@ static struct platform_driver am33xx_pm_driver = { .name = "pm33xx", }, .probe = am33xx_pm_probe, - .remove = am33xx_pm_remove, + .remove_new = am33xx_pm_remove, }; module_platform_driver(am33xx_pm_driver); diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c index f49f8492dde5..24a42e0b645c 100644 --- a/drivers/soc/ti/pruss.c +++ b/drivers/soc/ti/pruss.c @@ -565,7 +565,7 @@ rpm_disable: return ret; } -static int pruss_remove(struct platform_device *pdev) +static void pruss_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -573,8 +573,6 @@ static int pruss_remove(struct platform_device *pdev) pm_runtime_put_sync(dev); pm_runtime_disable(dev); - - return 0; } /* instance-specific driver private data */ @@ -610,7 +608,7 @@ static struct platform_driver pruss_driver = { .of_match_table = pruss_of_match, }, .probe = pruss_probe, - .remove = pruss_remove, + .remove_new = pruss_remove, }; module_platform_driver(pruss_driver); diff --git a/drivers/soc/ti/smartreflex.c b/drivers/soc/ti/smartreflex.c index 62b2f1464e46..d6219060b616 100644 --- a/drivers/soc/ti/smartreflex.c +++ b/drivers/soc/ti/smartreflex.c @@ -933,7 +933,7 @@ err_list_del: return ret; } -static int omap_sr_remove(struct platform_device *pdev) +static void omap_sr_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct omap_sr *sr_info = platform_get_drvdata(pdev); @@ -945,7 +945,6 @@ static int omap_sr_remove(struct platform_device *pdev) pm_runtime_disable(dev); clk_unprepare(sr_info->fck); list_del(&sr_info->node); - return 0; } static void omap_sr_shutdown(struct platform_device *pdev) @@ -970,7 +969,7 @@ MODULE_DEVICE_TABLE(of, omap_sr_match); static struct platform_driver smartreflex_driver = { .probe = omap_sr_probe, - .remove = omap_sr_remove, + .remove_new = omap_sr_remove, .shutdown = omap_sr_shutdown, .driver = { .name = DRIVER_NAME, diff --git a/drivers/soc/ti/wkup_m3_ipc.c b/drivers/soc/ti/wkup_m3_ipc.c index 3aff106fc11a..6a1c6b34c414 100644 --- a/drivers/soc/ti/wkup_m3_ipc.c +++ b/drivers/soc/ti/wkup_m3_ipc.c @@ -713,7 +713,7 @@ err_free_mbox: return ret; } -static int wkup_m3_ipc_remove(struct platform_device *pdev) +static void wkup_m3_ipc_remove(struct platform_device *pdev) { wkup_m3_ipc_dbg_destroy(m3_ipc_state); @@ -723,8 +723,6 @@ static int wkup_m3_ipc_remove(struct platform_device *pdev) rproc_put(m3_ipc_state->rproc); m3_ipc_state = NULL; - - return 0; } static int __maybe_unused wkup_m3_ipc_suspend(struct device *dev) @@ -760,7 +758,7 @@ MODULE_DEVICE_TABLE(of, wkup_m3_ipc_of_match); static struct platform_driver wkup_m3_ipc_driver = { .probe = wkup_m3_ipc_probe, - .remove = wkup_m3_ipc_remove, + .remove_new = wkup_m3_ipc_remove, .driver = { .name = "wkup_m3_ipc", .of_match_table = wkup_m3_ipc_of_match, diff --git a/include/dt-bindings/arm/qcom,ids.h b/include/dt-bindings/arm/qcom,ids.h index be12e1dd1f38..f7248348a459 100644 --- a/include/dt-bindings/arm/qcom,ids.h +++ b/include/dt-bindings/arm/qcom,ids.h @@ -193,6 +193,7 @@ #define QCOM_ID_SDA439 363 #define QCOM_ID_SDA429 364 #define QCOM_ID_SM7150 365 +#define QCOM_ID_SM7150P 366 #define QCOM_ID_IPQ8070 375 #define QCOM_ID_IPQ8071 376 #define QCOM_ID_QM215 386 @@ -203,6 +204,9 @@ #define QCOM_ID_SM6125 394 #define QCOM_ID_IPQ8070A 395 #define QCOM_ID_IPQ8071A 396 +#define QCOM_ID_IPQ8172 397 +#define QCOM_ID_IPQ8173 398 +#define QCOM_ID_IPQ8174 399 #define QCOM_ID_IPQ6018 402 #define QCOM_ID_IPQ6028 403 #define QCOM_ID_SDM429W 416 @@ -233,6 +237,7 @@ #define QCOM_ID_SM8450_3 482 #define QCOM_ID_SC7280 487 #define QCOM_ID_SC7180P 495 +#define QCOM_ID_QCM6490 497 #define QCOM_ID_IPQ5000 503 #define QCOM_ID_IPQ0509 504 #define QCOM_ID_IPQ0518 505 diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index cc060da51bec..1abedb5b2e48 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -6,6 +6,7 @@ #ifndef _LINUX_ARM_FFA_H #define _LINUX_ARM_FFA_H +#include <linux/bitfield.h> #include <linux/device.h> #include <linux/module.h> #include <linux/types.h> @@ -20,6 +21,7 @@ #define FFA_ERROR FFA_SMC_32(0x60) #define FFA_SUCCESS FFA_SMC_32(0x61) +#define FFA_FN64_SUCCESS FFA_SMC_64(0x61) #define FFA_INTERRUPT FFA_SMC_32(0x62) #define FFA_VERSION FFA_SMC_32(0x63) #define FFA_FEATURES FFA_SMC_32(0x64) @@ -54,6 +56,23 @@ #define FFA_MEM_FRAG_RX FFA_SMC_32(0x7A) #define FFA_MEM_FRAG_TX FFA_SMC_32(0x7B) #define FFA_NORMAL_WORLD_RESUME FFA_SMC_32(0x7C) +#define FFA_NOTIFICATION_BITMAP_CREATE FFA_SMC_32(0x7D) +#define FFA_NOTIFICATION_BITMAP_DESTROY FFA_SMC_32(0x7E) +#define FFA_NOTIFICATION_BIND FFA_SMC_32(0x7F) +#define FFA_NOTIFICATION_UNBIND FFA_SMC_32(0x80) +#define FFA_NOTIFICATION_SET FFA_SMC_32(0x81) +#define FFA_NOTIFICATION_GET FFA_SMC_32(0x82) +#define FFA_NOTIFICATION_INFO_GET FFA_SMC_32(0x83) +#define FFA_FN64_NOTIFICATION_INFO_GET FFA_SMC_64(0x83) +#define FFA_RX_ACQUIRE FFA_SMC_32(0x84) +#define FFA_SPM_ID_GET FFA_SMC_32(0x85) +#define FFA_MSG_SEND2 FFA_SMC_32(0x86) +#define FFA_SECONDARY_EP_REGISTER FFA_SMC_32(0x87) +#define FFA_FN64_SECONDARY_EP_REGISTER FFA_SMC_64(0x87) +#define FFA_MEM_PERM_GET FFA_SMC_32(0x88) +#define FFA_FN64_MEM_PERM_GET FFA_SMC_64(0x88) +#define FFA_MEM_PERM_SET FFA_SMC_32(0x89) +#define FFA_FN64_MEM_PERM_SET FFA_SMC_64(0x89) /* * For some calls it is necessary to use SMC64 to pass or return 64-bit values. @@ -76,6 +95,7 @@ #define FFA_RET_DENIED (-6) #define FFA_RET_RETRY (-7) #define FFA_RET_ABORTED (-8) +#define FFA_RET_NO_DATA (-9) /* FFA version encoding */ #define FFA_MAJOR_VERSION_MASK GENMASK(30, 16) @@ -86,6 +106,7 @@ (FIELD_PREP(FFA_MAJOR_VERSION_MASK, (major)) | \ FIELD_PREP(FFA_MINOR_VERSION_MASK, (minor))) #define FFA_VERSION_1_0 FFA_PACK_VERSION_INFO(1, 0) +#define FFA_VERSION_1_1 FFA_PACK_VERSION_INFO(1, 1) /** * FF-A specification mentions explicitly about '4K pages'. This should @@ -278,8 +299,8 @@ struct ffa_mem_region { #define FFA_MEM_NON_SHAREABLE (0) #define FFA_MEM_OUTER_SHAREABLE (2) #define FFA_MEM_INNER_SHAREABLE (3) - u8 attributes; - u8 reserved_0; + /* Memory region attributes, upper byte MBZ pre v1.1 */ + u16 attributes; /* * Clear memory region contents after unmapping it from the sender and * before mapping it for any receiver. @@ -317,27 +338,41 @@ struct ffa_mem_region { * memory region. */ u64 tag; - u32 reserved_1; + /* Size of each endpoint memory access descriptor, MBZ pre v1.1 */ + u32 ep_mem_size; /* * The number of `ffa_mem_region_attributes` entries included in this * transaction. */ u32 ep_count; /* - * An array of endpoint memory access descriptors. - * Each one specifies a memory region offset, an endpoint and the - * attributes with which this memory region should be mapped in that - * endpoint's page table. + * 16-byte aligned offset from the base address of this descriptor + * to the first element of the endpoint memory access descriptor array + * Valid only from v1.1 */ - struct ffa_mem_region_attributes ep_mem_access[]; + u32 ep_mem_offset; + /* MBZ, valid only from v1.1 */ + u32 reserved[3]; }; -#define COMPOSITE_OFFSET(x) \ - (offsetof(struct ffa_mem_region, ep_mem_access[x])) #define CONSTITUENTS_OFFSET(x) \ (offsetof(struct ffa_composite_mem_region, constituents[x])) -#define COMPOSITE_CONSTITUENTS_OFFSET(x, y) \ - (COMPOSITE_OFFSET(x) + CONSTITUENTS_OFFSET(y)) + +static inline u32 +ffa_mem_desc_offset(struct ffa_mem_region *buf, int count, u32 ffa_version) +{ + u32 offset = count * sizeof(struct ffa_mem_region_attributes); + /* + * Earlier to v1.1, the endpoint memory descriptor array started at + * offset 32(i.e. offset of ep_mem_offset in the current structure) + */ + if (ffa_version <= FFA_VERSION_1_0) + offset += offsetof(struct ffa_mem_region, ep_mem_offset); + else + offset += sizeof(struct ffa_mem_region); + + return offset; +} struct ffa_mem_ops_args { bool use_txbuf; @@ -367,10 +402,30 @@ struct ffa_mem_ops { int (*memory_lend)(struct ffa_mem_ops_args *args); }; +struct ffa_cpu_ops { + int (*run)(struct ffa_device *dev, u16 vcpu); +}; + +typedef void (*ffa_sched_recv_cb)(u16 vcpu, bool is_per_vcpu, void *cb_data); +typedef void (*ffa_notifier_cb)(int notify_id, void *cb_data); + +struct ffa_notifier_ops { + int (*sched_recv_cb_register)(struct ffa_device *dev, + ffa_sched_recv_cb cb, void *cb_data); + int (*sched_recv_cb_unregister)(struct ffa_device *dev); + int (*notify_request)(struct ffa_device *dev, bool per_vcpu, + ffa_notifier_cb cb, void *cb_data, int notify_id); + int (*notify_relinquish)(struct ffa_device *dev, int notify_id); + int (*notify_send)(struct ffa_device *dev, int notify_id, bool per_vcpu, + u16 vcpu); +}; + struct ffa_ops { const struct ffa_info_ops *info_ops; const struct ffa_msg_ops *msg_ops; const struct ffa_mem_ops *mem_ops; + const struct ffa_cpu_ops *cpu_ops; + const struct ffa_notifier_ops *notifier_ops; }; #endif /* _LINUX_ARM_FFA_H */ diff --git a/include/linux/firmware/meson/meson_sm.h b/include/linux/firmware/meson/meson_sm.h index 95b0da2326a9..8eaf8922ab02 100644 --- a/include/linux/firmware/meson/meson_sm.h +++ b/include/linux/firmware/meson/meson_sm.h @@ -19,7 +19,7 @@ enum { struct meson_sm_firmware; int meson_sm_call(struct meson_sm_firmware *fw, unsigned int cmd_index, - u32 *ret, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4); + s32 *ret, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4); int meson_sm_call_write(struct meson_sm_firmware *fw, void *buffer, unsigned int b_size, unsigned int cmd_index, u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4); diff --git a/include/linux/firmware/qcom/qcom_qseecom.h b/include/linux/firmware/qcom/qcom_qseecom.h new file mode 100644 index 000000000000..5c28298a98be --- /dev/null +++ b/include/linux/firmware/qcom/qcom_qseecom.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Driver for Qualcomm Secure Execution Environment (SEE) interface (QSEECOM). + * Responsible for setting up and managing QSEECOM client devices. + * + * Copyright (C) 2023 Maximilian Luz <luzmaximilian@gmail.com> + */ + +#ifndef __QCOM_QSEECOM_H +#define __QCOM_QSEECOM_H + +#include <linux/auxiliary_bus.h> +#include <linux/types.h> + +#include <linux/firmware/qcom/qcom_scm.h> + +/** + * struct qseecom_client - QSEECOM client device. + * @aux_dev: Underlying auxiliary device. + * @app_id: ID of the loaded application. + */ +struct qseecom_client { + struct auxiliary_device aux_dev; + u32 app_id; +}; + +/** + * qcom_qseecom_app_send() - Send to and receive data from a given QSEE app. + * @client: The QSEECOM client associated with the target app. + * @req: Request buffer sent to the app (must be DMA-mappable). + * @req_size: Size of the request buffer. + * @rsp: Response buffer, written to by the app (must be DMA-mappable). + * @rsp_size: Size of the response buffer. + * + * Sends a request to the QSEE app associated with the given client and read + * back its response. The caller must provide two DMA memory regions, one for + * the request and one for the response, and fill out the @req region with the + * respective (app-specific) request data. The QSEE app reads this and returns + * its response in the @rsp region. + * + * Note: This is a convenience wrapper around qcom_scm_qseecom_app_send(). + * Clients should prefer to use this wrapper. + * + * Return: Zero on success, nonzero on failure. + */ +static inline int qcom_qseecom_app_send(struct qseecom_client *client, void *req, size_t req_size, + void *rsp, size_t rsp_size) +{ + return qcom_scm_qseecom_app_send(client->app_id, req, req_size, rsp, rsp_size); +} + +#endif /* __QCOM_QSEECOM_H */ diff --git a/include/linux/firmware/qcom/qcom_scm.h b/include/linux/firmware/qcom/qcom_scm.h index 0c091a3f6d49..ccaf28846054 100644 --- a/include/linux/firmware/qcom/qcom_scm.h +++ b/include/linux/firmware/qcom/qcom_scm.h @@ -59,12 +59,12 @@ enum qcom_scm_ice_cipher { #define QCOM_SCM_PERM_RW (QCOM_SCM_PERM_READ | QCOM_SCM_PERM_WRITE) #define QCOM_SCM_PERM_RWX (QCOM_SCM_PERM_RW | QCOM_SCM_PERM_EXEC) -extern bool qcom_scm_is_available(void); +bool qcom_scm_is_available(void); -extern int qcom_scm_set_cold_boot_addr(void *entry); -extern int qcom_scm_set_warm_boot_addr(void *entry); -extern void qcom_scm_cpu_power_down(u32 flags); -extern int qcom_scm_set_remote_state(u32 state, u32 id); +int qcom_scm_set_cold_boot_addr(void *entry); +int qcom_scm_set_warm_boot_addr(void *entry); +void qcom_scm_cpu_power_down(u32 flags); +int qcom_scm_set_remote_state(u32 state, u32 id); struct qcom_scm_pas_metadata { void *ptr; @@ -72,54 +72,69 @@ struct qcom_scm_pas_metadata { ssize_t size; }; -extern int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, - size_t size, - struct qcom_scm_pas_metadata *ctx); -extern void qcom_scm_pas_metadata_release(struct qcom_scm_pas_metadata *ctx); -extern int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr, - phys_addr_t size); -extern int qcom_scm_pas_auth_and_reset(u32 peripheral); -extern int qcom_scm_pas_shutdown(u32 peripheral); -extern bool qcom_scm_pas_supported(u32 peripheral); - -extern int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val); -extern int qcom_scm_io_writel(phys_addr_t addr, unsigned int val); - -extern bool qcom_scm_restore_sec_cfg_available(void); -extern int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare); -extern int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size); -extern int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare); -extern int qcom_scm_iommu_set_cp_pool_size(u32 spare, u32 size); -extern int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size, - u32 cp_nonpixel_start, - u32 cp_nonpixel_size); -extern int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, - u64 *src, - const struct qcom_scm_vmperm *newvm, - unsigned int dest_cnt); - -extern bool qcom_scm_ocmem_lock_available(void); -extern int qcom_scm_ocmem_lock(enum qcom_scm_ocmem_client id, u32 offset, - u32 size, u32 mode); -extern int qcom_scm_ocmem_unlock(enum qcom_scm_ocmem_client id, u32 offset, - u32 size); - -extern bool qcom_scm_ice_available(void); -extern int qcom_scm_ice_invalidate_key(u32 index); -extern int qcom_scm_ice_set_key(u32 index, const u8 *key, u32 key_size, - enum qcom_scm_ice_cipher cipher, - u32 data_unit_size); - -extern bool qcom_scm_hdcp_available(void); -extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, - u32 *resp); - -extern int qcom_scm_iommu_set_pt_format(u32 sec_id, u32 ctx_num, u32 pt_fmt); -extern int qcom_scm_qsmmu500_wait_safe_toggle(bool en); - -extern int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val, - u64 limit_node, u32 node_id, u64 version); -extern int qcom_scm_lmh_profile_change(u32 profile_id); -extern bool qcom_scm_lmh_dcvsh_available(void); +int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, size_t size, + struct qcom_scm_pas_metadata *ctx); +void qcom_scm_pas_metadata_release(struct qcom_scm_pas_metadata *ctx); +int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr, phys_addr_t size); +int qcom_scm_pas_auth_and_reset(u32 peripheral); +int qcom_scm_pas_shutdown(u32 peripheral); +bool qcom_scm_pas_supported(u32 peripheral); + +int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val); +int qcom_scm_io_writel(phys_addr_t addr, unsigned int val); + +bool qcom_scm_restore_sec_cfg_available(void); +int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare); +int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size); +int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare); +int qcom_scm_iommu_set_cp_pool_size(u32 spare, u32 size); +int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size, + u32 cp_nonpixel_start, u32 cp_nonpixel_size); +int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, u64 *src, + const struct qcom_scm_vmperm *newvm, + unsigned int dest_cnt); + +bool qcom_scm_ocmem_lock_available(void); +int qcom_scm_ocmem_lock(enum qcom_scm_ocmem_client id, u32 offset, u32 size, + u32 mode); +int qcom_scm_ocmem_unlock(enum qcom_scm_ocmem_client id, u32 offset, u32 size); + +bool qcom_scm_ice_available(void); +int qcom_scm_ice_invalidate_key(u32 index); +int qcom_scm_ice_set_key(u32 index, const u8 *key, u32 key_size, + enum qcom_scm_ice_cipher cipher, u32 data_unit_size); + +bool qcom_scm_hdcp_available(void); +int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp); + +int qcom_scm_iommu_set_pt_format(u32 sec_id, u32 ctx_num, u32 pt_fmt); +int qcom_scm_qsmmu500_wait_safe_toggle(bool en); + +int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val, + u64 limit_node, u32 node_id, u64 version); +int qcom_scm_lmh_profile_change(u32 profile_id); +bool qcom_scm_lmh_dcvsh_available(void); + +#ifdef CONFIG_QCOM_QSEECOM + +int qcom_scm_qseecom_app_get_id(const char *app_name, u32 *app_id); +int qcom_scm_qseecom_app_send(u32 app_id, void *req, size_t req_size, void *rsp, + size_t rsp_size); + +#else /* CONFIG_QCOM_QSEECOM */ + +static inline int qcom_scm_qseecom_app_get_id(const char *app_name, u32 *app_id) +{ + return -EINVAL; +} + +static inline int qcom_scm_qseecom_app_send(u32 app_id, void *req, + size_t req_size, void *rsp, + size_t rsp_size) +{ + return -EINVAL; +} + +#endif /* CONFIG_QCOM_QSEECOM */ #endif diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index 4523e4e83319..6ec4b9743e25 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -127,6 +127,12 @@ static inline int nvmem_cell_write(struct nvmem_cell *cell, return -EOPNOTSUPP; } +static inline int nvmem_cell_read_u8(struct device *dev, + const char *cell_id, u8 *val) +{ + return -EOPNOTSUPP; +} + static inline int nvmem_cell_read_u16(struct device *dev, const char *cell_id, u16 *val) { diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index bda2964a0a56..34663d0d5c55 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -61,6 +61,10 @@ * GENPD_FLAG_MIN_RESIDENCY: Enable the genpd governor to consider its * components' next wakeup when determining the * optimal idle state. + * + * GENPD_FLAG_OPP_TABLE_FW: The genpd provider supports performance states, + * but its corresponding OPP tables are not + * described in DT, but are given directly by FW. */ #define GENPD_FLAG_PM_CLK (1U << 0) #define GENPD_FLAG_IRQ_SAFE (1U << 1) @@ -69,6 +73,7 @@ #define GENPD_FLAG_CPU_DOMAIN (1U << 4) #define GENPD_FLAG_RPM_ALWAYS_ON (1U << 5) #define GENPD_FLAG_MIN_RESIDENCY (1U << 6) +#define GENPD_FLAG_OPP_TABLE_FW (1U << 7) enum gpd_status { GENPD_STATE_ON = 0, /* PM domain is on */ diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index e6fe4f73ffe6..f2f05fb42d28 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -58,6 +58,8 @@ struct scmi_clock_info { u64 step_size; } range; }; + int num_parents; + u32 *parents; }; enum scmi_power_scale { @@ -80,6 +82,11 @@ struct scmi_protocol_handle; * @rate_set: set the clock rate of a clock * @enable: enables the specified clock * @disable: disables the specified clock + * @state_get: get the status of the specified clock + * @config_oem_get: get the value of an OEM specific clock config + * @config_oem_set: set the value of an OEM specific clock config + * @parent_get: get the parent id of a clk + * @parent_set: set the parent of a clock */ struct scmi_clk_proto_ops { int (*count_get)(const struct scmi_protocol_handle *ph); @@ -90,22 +97,36 @@ struct scmi_clk_proto_ops { u64 *rate); int (*rate_set)(const struct scmi_protocol_handle *ph, u32 clk_id, u64 rate); - int (*enable)(const struct scmi_protocol_handle *ph, u32 clk_id); - int (*disable)(const struct scmi_protocol_handle *ph, u32 clk_id); - int (*enable_atomic)(const struct scmi_protocol_handle *ph, u32 clk_id); - int (*disable_atomic)(const struct scmi_protocol_handle *ph, - u32 clk_id); + int (*enable)(const struct scmi_protocol_handle *ph, u32 clk_id, + bool atomic); + int (*disable)(const struct scmi_protocol_handle *ph, u32 clk_id, + bool atomic); + int (*state_get)(const struct scmi_protocol_handle *ph, u32 clk_id, + bool *enabled, bool atomic); + int (*config_oem_get)(const struct scmi_protocol_handle *ph, u32 clk_id, + u8 oem_type, u32 *oem_val, u32 *attributes, + bool atomic); + int (*config_oem_set)(const struct scmi_protocol_handle *ph, u32 clk_id, + u8 oem_type, u32 oem_val, bool atomic); + int (*parent_get)(const struct scmi_protocol_handle *ph, u32 clk_id, u32 *parent_id); + int (*parent_set)(const struct scmi_protocol_handle *ph, u32 clk_id, u32 parent_id); +}; + +struct scmi_perf_domain_info { + char name[SCMI_MAX_STR_SIZE]; + bool set_perf; }; /** * struct scmi_perf_proto_ops - represents the various operations provided * by SCMI Performance Protocol * + * @num_domains_get: gets the number of supported performance domains + * @info_get: get the information of a performance domain * @limits_set: sets limits on the performance level of a domain * @limits_get: gets limits on the performance level of a domain * @level_set: sets the performance level of a domain * @level_get: gets the performance level of a domain - * @device_domain_id: gets the scmi domain id for a given device * @transition_latency_get: gets the DVFS transition latency for a given device * @device_opps_add: adds all the OPPs for a given device * @freq_set: sets the frequency for a given device using sustained frequency @@ -120,6 +141,9 @@ struct scmi_clk_proto_ops { * or in some other (abstract) scale */ struct scmi_perf_proto_ops { + int (*num_domains_get)(const struct scmi_protocol_handle *ph); + const struct scmi_perf_domain_info __must_check *(*info_get) + (const struct scmi_protocol_handle *ph, u32 domain); int (*limits_set)(const struct scmi_protocol_handle *ph, u32 domain, u32 max_perf, u32 min_perf); int (*limits_get)(const struct scmi_protocol_handle *ph, u32 domain, @@ -128,11 +152,10 @@ struct scmi_perf_proto_ops { u32 level, bool poll); int (*level_get)(const struct scmi_protocol_handle *ph, u32 domain, u32 *level, bool poll); - int (*device_domain_id)(struct device *dev); int (*transition_latency_get)(const struct scmi_protocol_handle *ph, - struct device *dev); + u32 domain); int (*device_opps_add)(const struct scmi_protocol_handle *ph, - struct device *dev); + struct device *dev, u32 domain); int (*freq_set)(const struct scmi_protocol_handle *ph, u32 domain, unsigned long rate, bool poll); int (*freq_get)(const struct scmi_protocol_handle *ph, u32 domain, @@ -140,7 +163,7 @@ struct scmi_perf_proto_ops { int (*est_power_get)(const struct scmi_protocol_handle *ph, u32 domain, unsigned long *rate, unsigned long *power); bool (*fast_switch_possible)(const struct scmi_protocol_handle *ph, - struct device *dev); + u32 domain); enum scmi_power_scale (*power_scale_get)(const struct scmi_protocol_handle *ph); }; diff --git a/include/linux/soc/qcom/llcc-qcom.h b/include/linux/soc/qcom/llcc-qcom.h index 93417ba1ead4..1a886666bbb6 100644 --- a/include/linux/soc/qcom/llcc-qcom.h +++ b/include/linux/soc/qcom/llcc-qcom.h @@ -30,7 +30,7 @@ #define LLCC_NPU 23 #define LLCC_WLHW 24 #define LLCC_PIMEM 25 -#define LLCC_DRE 26 +#define LLCC_ECC 26 #define LLCC_CVP 28 #define LLCC_MODPE 29 #define LLCC_APTCM 30 diff --git a/include/linux/ucs2_string.h b/include/linux/ucs2_string.h index cf3ada3e820e..c499ae809c7d 100644 --- a/include/linux/ucs2_string.h +++ b/include/linux/ucs2_string.h @@ -10,6 +10,7 @@ typedef u16 ucs2_char_t; unsigned long ucs2_strnlen(const ucs2_char_t *s, size_t maxlength); unsigned long ucs2_strlen(const ucs2_char_t *s); unsigned long ucs2_strsize(const ucs2_char_t *data, unsigned long maxlength); +ssize_t ucs2_strscpy(ucs2_char_t *dst, const ucs2_char_t *src, size_t count); int ucs2_strncmp(const ucs2_char_t *a, const ucs2_char_t *b, size_t len); unsigned long ucs2_utf8size(const ucs2_char_t *src); diff --git a/include/soc/tegra/bpmp-abi.h b/include/soc/tegra/bpmp-abi.h index ecefcaec7e66..6b995a8f0f6d 100644 --- a/include/soc/tegra/bpmp-abi.h +++ b/include/soc/tegra/bpmp-abi.h @@ -1194,7 +1194,7 @@ struct cmd_clk_is_enabled_request { */ struct cmd_clk_is_enabled_response { /** - * @brief The state of the clock that has been succesfully + * @brief The state of the clock that has been successfully * requested with CMD_CLK_ENABLE or CMD_CLK_DISABLE by the * master invoking the command earlier. * diff --git a/include/soc/tegra/bpmp.h b/include/soc/tegra/bpmp.h index 5842e38bb288..f5e4ac5b8cce 100644 --- a/include/soc/tegra/bpmp.h +++ b/include/soc/tegra/bpmp.h @@ -102,8 +102,12 @@ struct tegra_bpmp { #ifdef CONFIG_DEBUG_FS struct dentry *debugfs_mirror; #endif + + bool suspended; }; +#define TEGRA_BPMP_MESSAGE_RESET BIT(0) + struct tegra_bpmp_message { unsigned int mrq; @@ -117,6 +121,8 @@ struct tegra_bpmp_message { size_t size; int ret; } rx; + + unsigned long flags; }; #if IS_ENABLED(CONFIG_TEGRA_BPMP) diff --git a/lib/ucs2_string.c b/lib/ucs2_string.c index 0a559a42359b..9308bcfb2ad5 100644 --- a/lib/ucs2_string.c +++ b/lib/ucs2_string.c @@ -32,6 +32,58 @@ ucs2_strsize(const ucs2_char_t *data, unsigned long maxlength) } EXPORT_SYMBOL(ucs2_strsize); +/** + * ucs2_strscpy() - Copy a UCS2 string into a sized buffer. + * + * @dst: Pointer to the destination buffer where to copy the string to. + * @src: Pointer to the source buffer where to copy the string from. + * @count: Size of the destination buffer, in UCS2 (16-bit) characters. + * + * Like strscpy(), only for UCS2 strings. + * + * Copy the source string @src, or as much of it as fits, into the destination + * buffer @dst. The behavior is undefined if the string buffers overlap. The + * destination buffer @dst is always NUL-terminated, unless it's zero-sized. + * + * Return: The number of characters copied into @dst (excluding the trailing + * %NUL terminator) or -E2BIG if @count is 0 or @src was truncated due to the + * destination buffer being too small. + */ +ssize_t ucs2_strscpy(ucs2_char_t *dst, const ucs2_char_t *src, size_t count) +{ + long res; + + /* + * Ensure that we have a valid amount of space. We need to store at + * least one NUL-character. + */ + if (count == 0 || WARN_ON_ONCE(count > INT_MAX / sizeof(*dst))) + return -E2BIG; + + /* + * Copy at most 'count' characters, return early if we find a + * NUL-terminator. + */ + for (res = 0; res < count; res++) { + ucs2_char_t c; + + c = src[res]; + dst[res] = c; + + if (!c) + return res; + } + + /* + * The loop above terminated without finding a NUL-terminator, + * exceeding the 'count': Enforce proper NUL-termination and return + * error. + */ + dst[count - 1] = 0; + return -E2BIG; +} +EXPORT_SYMBOL(ucs2_strscpy); + int ucs2_strncmp(const ucs2_char_t *a, const ucs2_char_t *b, size_t len) { |