diff options
-rw-r--r-- | Documentation/wmi/devices/dell-wmi-ddv.rst | 3 | ||||
-rw-r--r-- | drivers/platform/x86/amd/Makefile | 2 | ||||
-rw-r--r-- | drivers/platform/x86/amd/pmc-quirks.c | 176 | ||||
-rw-r--r-- | drivers/platform/x86/amd/pmc.c | 32 | ||||
-rw-r--r-- | drivers/platform/x86/amd/pmc.h | 44 | ||||
-rw-r--r-- | drivers/platform/x86/amd/pmf/core.c | 3 | ||||
-rw-r--r-- | drivers/platform/x86/dell/dell-wmi-ddv.c | 7 | ||||
-rw-r--r-- | drivers/platform/x86/intel/int3472/clk_and_regulator.c | 2 | ||||
-rw-r--r-- | drivers/platform/x86/intel/tpmi.c | 4 | ||||
-rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 143 | ||||
-rw-r--r-- | drivers/platform/x86/touchscreen_dmi.c | 22 | ||||
-rw-r--r-- | drivers/platform/x86/wmi.c | 28 |
12 files changed, 276 insertions, 190 deletions
diff --git a/Documentation/wmi/devices/dell-wmi-ddv.rst b/Documentation/wmi/devices/dell-wmi-ddv.rst index d8aa64e9c827..bf963d91dd55 100644 --- a/Documentation/wmi/devices/dell-wmi-ddv.rst +++ b/Documentation/wmi/devices/dell-wmi-ddv.rst @@ -187,7 +187,8 @@ WMI method BatteryeRawAnalytics() Returns a buffer usually containg 12 blocks of analytics data. Those blocks contain: -- block number starting with 0 (u8) + +- a block number starting with 0 (u8) - 31 bytes of unknown data .. note:: diff --git a/drivers/platform/x86/amd/Makefile b/drivers/platform/x86/amd/Makefile index 2c229198e24c..65732f0a3913 100644 --- a/drivers/platform/x86/amd/Makefile +++ b/drivers/platform/x86/amd/Makefile @@ -4,7 +4,7 @@ # AMD x86 Platform-Specific Drivers # -amd-pmc-y := pmc.o +amd-pmc-y := pmc.o pmc-quirks.o obj-$(CONFIG_AMD_PMC) += amd-pmc.o amd_hsmp-y := hsmp.o obj-$(CONFIG_AMD_HSMP) += amd_hsmp.o diff --git a/drivers/platform/x86/amd/pmc-quirks.c b/drivers/platform/x86/amd/pmc-quirks.c new file mode 100644 index 000000000000..362e7c0097d7 --- /dev/null +++ b/drivers/platform/x86/amd/pmc-quirks.c @@ -0,0 +1,176 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * AMD SoC Power Management Controller Driver Quirks + * + * Copyright (c) 2023, Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * Author: Mario Limonciello <mario.limonciello@amd.com> + */ + +#include <linux/dmi.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/slab.h> + +#include "pmc.h" + +struct quirk_entry { + u32 s2idle_bug_mmio; +}; + +static struct quirk_entry quirk_s2idle_bug = { + .s2idle_bug_mmio = 0xfed80380, +}; + +static const struct dmi_system_id fwbug_list[] = { + { + .ident = "L14 Gen2 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20X5"), + } + }, + { + .ident = "T14s Gen2 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20XF"), + } + }, + { + .ident = "X13 Gen2 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20XH"), + } + }, + { + .ident = "T14 Gen2 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20XK"), + } + }, + { + .ident = "T14 Gen1 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20UD"), + } + }, + { + .ident = "T14 Gen1 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20UE"), + } + }, + { + .ident = "T14s Gen1 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20UH"), + } + }, + { + .ident = "T14s Gen1 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20UJ"), + } + }, + { + .ident = "P14s Gen1 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20Y1"), + } + }, + { + .ident = "P14s Gen2 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "21A0"), + } + }, + { + .ident = "P14s Gen2 AMD", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "21A1"), + } + }, + /* https://gitlab.freedesktop.org/drm/amd/-/issues/2684 */ + { + .ident = "HP Laptop 15s-eq2xxx", + .driver_data = &quirk_s2idle_bug, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "HP"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Laptop 15s-eq2xxx"), + } + }, + {} +}; + +/* + * Laptops that run a SMI handler during the D3->D0 transition that occurs + * specifically when exiting suspend to idle which can cause + * large delays during resume when the IOMMU translation layer is enabled (the default + * behavior) for NVME devices: + * + * To avoid this firmware problem, skip the SMI handler on these machines before the + * D0 transition occurs. + */ +static void amd_pmc_skip_nvme_smi_handler(u32 s2idle_bug_mmio) +{ + struct resource *res; + void __iomem *addr; + u8 val; + + res = request_mem_region_muxed(s2idle_bug_mmio, 1, "amd_pmc_pm80"); + if (!res) + return; + + addr = ioremap(s2idle_bug_mmio, 1); + if (!addr) + goto cleanup_resource; + + val = ioread8(addr); + iowrite8(val & ~BIT(0), addr); + + iounmap(addr); +cleanup_resource: + release_resource(res); + kfree(res); +} + +void amd_pmc_process_restore_quirks(struct amd_pmc_dev *dev) +{ + if (dev->quirks && dev->quirks->s2idle_bug_mmio) + amd_pmc_skip_nvme_smi_handler(dev->quirks->s2idle_bug_mmio); +} + +void amd_pmc_quirks_init(struct amd_pmc_dev *dev) +{ + const struct dmi_system_id *dmi_id; + + dmi_id = dmi_first_match(fwbug_list); + if (!dmi_id) + return; + dev->quirks = dmi_id->driver_data; + if (dev->quirks->s2idle_bug_mmio) + pr_info("Using s2idle quirk to avoid %s platform firmware bug\n", + dmi_id->ident); +} diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c index 7d3d080ff174..c1e788b67a74 100644 --- a/drivers/platform/x86/amd/pmc.c +++ b/drivers/platform/x86/amd/pmc.c @@ -28,6 +28,8 @@ #include <linux/seq_file.h> #include <linux/uaccess.h> +#include "pmc.h" + /* SMU communication registers */ #define AMD_PMC_REGISTER_MESSAGE 0x538 #define AMD_PMC_REGISTER_RESPONSE 0x980 @@ -94,6 +96,7 @@ #define AMD_CPU_ID_CB 0x14D8 #define AMD_CPU_ID_PS 0x14E8 #define AMD_CPU_ID_SP 0x14A4 +#define PCI_DEVICE_ID_AMD_1AH_M20H_ROOT 0x1507 #define PMC_MSG_DELAY_MIN_US 50 #define RESPONSE_REGISTER_LOOP_MAX 20000 @@ -146,29 +149,6 @@ static const struct amd_pmc_bit_map soc15_ip_blk[] = { {} }; -struct amd_pmc_dev { - void __iomem *regbase; - void __iomem *smu_virt_addr; - void __iomem *stb_virt_addr; - void __iomem *fch_virt_addr; - bool msg_port; - u32 base_addr; - u32 cpu_id; - u32 active_ips; - u32 dram_size; - u32 num_ips; - u32 s2d_msg_id; -/* SMU version information */ - u8 smu_program; - u8 major; - u8 minor; - u8 rev; - struct device *dev; - struct pci_dev *rdev; - struct mutex lock; /* generic mutex lock */ - struct dentry *dbgfs_dir; -}; - static bool enable_stb; module_param(enable_stb, bool, 0644); MODULE_PARM_DESC(enable_stb, "Enable the STB debug mechanism"); @@ -891,6 +871,8 @@ static void amd_pmc_s2idle_restore(void) /* Notify on failed entry */ amd_pmc_validate_deepest(pdev); + + amd_pmc_process_restore_quirks(pdev); } static struct acpi_s2idle_dev_ops amd_pmc_s2idle_dev_ops = { @@ -926,6 +908,7 @@ static const struct pci_device_id pmc_pci_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_PCO) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_RV) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_SP) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_1AH_M20H_ROOT) }, { } }; @@ -1087,6 +1070,8 @@ static int amd_pmc_probe(struct platform_device *pdev) err = acpi_register_lps0_dev(&amd_pmc_s2idle_dev_ops); if (err) dev_warn(dev->dev, "failed to register LPS0 sleep handler, expect increased power consumption\n"); + if (!disable_workarounds) + amd_pmc_quirks_init(dev); } amd_pmc_dbgfs_register(dev); @@ -1115,6 +1100,7 @@ static const struct acpi_device_id amd_pmc_acpi_ids[] = { {"AMDI0007", 0}, {"AMDI0008", 0}, {"AMDI0009", 0}, + {"AMDI000A", 0}, {"AMD0004", 0}, {"AMD0005", 0}, { } diff --git a/drivers/platform/x86/amd/pmc.h b/drivers/platform/x86/amd/pmc.h new file mode 100644 index 000000000000..c27bd6a5642f --- /dev/null +++ b/drivers/platform/x86/amd/pmc.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * AMD SoC Power Management Controller Driver + * + * Copyright (c) 2023, Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * Author: Mario Limonciello <mario.limonciello@amd.com> + */ + +#ifndef PMC_H +#define PMC_H + +#include <linux/types.h> +#include <linux/mutex.h> + +struct amd_pmc_dev { + void __iomem *regbase; + void __iomem *smu_virt_addr; + void __iomem *stb_virt_addr; + void __iomem *fch_virt_addr; + bool msg_port; + u32 base_addr; + u32 cpu_id; + u32 active_ips; + u32 dram_size; + u32 num_ips; + u32 s2d_msg_id; +/* SMU version information */ + u8 smu_program; + u8 major; + u8 minor; + u8 rev; + struct device *dev; + struct pci_dev *rdev; + struct mutex lock; /* generic mutex lock */ + struct dentry *dbgfs_dir; + struct quirk_entry *quirks; +}; + +void amd_pmc_process_restore_quirks(struct amd_pmc_dev *dev); +void amd_pmc_quirks_init(struct amd_pmc_dev *dev); + +#endif /* PMC_H */ diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c index 7780705917b7..d8732557f9db 100644 --- a/drivers/platform/x86/amd/pmf/core.c +++ b/drivers/platform/x86/amd/pmf/core.c @@ -40,6 +40,7 @@ /* List of supported CPU ids */ #define AMD_CPU_ID_RMB 0x14b5 #define AMD_CPU_ID_PS 0x14e8 +#define PCI_DEVICE_ID_AMD_1AH_M20H_ROOT 0x1507 #define PMF_MSG_DELAY_MIN_US 50 #define RESPONSE_REGISTER_LOOP_MAX 20000 @@ -242,6 +243,7 @@ out_unlock: static const struct pci_device_id pmf_pci_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_RMB) }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_PS) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_1AH_M20H_ROOT) }, { } }; @@ -333,6 +335,7 @@ static void amd_pmf_deinit_features(struct amd_pmf_dev *dev) static const struct acpi_device_id amd_pmf_acpi_ids[] = { {"AMDI0100", 0x100}, {"AMDI0102", 0}, + {"AMDI0103", 0}, { } }; MODULE_DEVICE_TABLE(acpi, amd_pmf_acpi_ids); diff --git a/drivers/platform/x86/dell/dell-wmi-ddv.c b/drivers/platform/x86/dell/dell-wmi-ddv.c index 2750dee99c3e..db1e9240dd02 100644 --- a/drivers/platform/x86/dell/dell-wmi-ddv.c +++ b/drivers/platform/x86/dell/dell-wmi-ddv.c @@ -616,7 +616,8 @@ static int dell_wmi_ddv_hwmon_add(struct dell_wmi_ddv_data *data) } if (index < 2) { - ret = -ENODEV; + /* Finding no available sensors is not an error */ + ret = 0; goto err_release; } @@ -841,13 +842,13 @@ static int dell_wmi_ddv_probe(struct wmi_device *wdev, const void *context) if (IS_REACHABLE(CONFIG_ACPI_BATTERY)) { ret = dell_wmi_ddv_battery_add(data); - if (ret < 0 && ret != -ENODEV) + if (ret < 0) dev_warn(&wdev->dev, "Unable to register ACPI battery hook: %d\n", ret); } if (IS_REACHABLE(CONFIG_HWMON)) { ret = dell_wmi_ddv_hwmon_add(data); - if (ret < 0 && ret != -ENODEV) + if (ret < 0) dev_warn(&wdev->dev, "Unable to register hwmon interface: %d\n", ret); } diff --git a/drivers/platform/x86/intel/int3472/clk_and_regulator.c b/drivers/platform/x86/intel/int3472/clk_and_regulator.c index 61aeca804ba2..ef4b3141efcd 100644 --- a/drivers/platform/x86/intel/int3472/clk_and_regulator.c +++ b/drivers/platform/x86/intel/int3472/clk_and_regulator.c @@ -260,7 +260,7 @@ static_assert(ARRAY_SIZE(skl_int3472_regulator_map_supplies) == * This DMI table contains the name of the second sensor. This is used to add * entries for the second sensor to the supply_map. */ -const struct dmi_system_id skl_int3472_regulator_second_sensor[] = { +static const struct dmi_system_id skl_int3472_regulator_second_sensor[] = { { /* Lenovo Miix 510-12IKB */ .matches = { diff --git a/drivers/platform/x86/intel/tpmi.c b/drivers/platform/x86/intel/tpmi.c index 9c606ee2030c..d1fd6e69401c 100644 --- a/drivers/platform/x86/intel/tpmi.c +++ b/drivers/platform/x86/intel/tpmi.c @@ -356,9 +356,7 @@ static int intel_vsec_tpmi_init(struct auxiliary_device *auxdev) if (!pfs_start) pfs_start = res_start; - pfs->pfs_header.cap_offset *= TPMI_CAP_OFFSET_UNIT; - - pfs->vsec_offset = pfs_start + pfs->pfs_header.cap_offset; + pfs->vsec_offset = pfs_start + pfs->pfs_header.cap_offset * TPMI_CAP_OFFSET_UNIT; /* * Process TPMI_INFO to get PCI device to CPU package ID. diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 187018ffb068..ad460417f901 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -315,17 +315,12 @@ struct ibm_init_struct { /* DMI Quirks */ struct quirk_entry { bool btusb_bug; - u32 s2idle_bug_mmio; }; static struct quirk_entry quirk_btusb_bug = { .btusb_bug = true, }; -static struct quirk_entry quirk_s2idle_bug = { - .s2idle_bug_mmio = 0xfed80380, -}; - static struct { u32 bluetooth:1; u32 hotkey:1; @@ -4422,136 +4417,9 @@ static const struct dmi_system_id fwbug_list[] __initconst = { DMI_MATCH(DMI_BOARD_NAME, "20MV"), }, }, - { - .ident = "L14 Gen2 AMD", - .driver_data = &quirk_s2idle_bug, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "20X5"), - } - }, - { - .ident = "T14s Gen2 AMD", - .driver_data = &quirk_s2idle_bug, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "20XF"), - } - }, - { - .ident = "X13 Gen2 AMD", - .driver_data = &quirk_s2idle_bug, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "20XH"), - } - }, - { - .ident = "T14 Gen2 AMD", - .driver_data = &quirk_s2idle_bug, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "20XK"), - } - }, - { - .ident = "T14 Gen1 AMD", - .driver_data = &quirk_s2idle_bug, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "20UD"), - } - }, - { - .ident = "T14 Gen1 AMD", - .driver_data = &quirk_s2idle_bug, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "20UE"), - } - }, - { - .ident = "T14s Gen1 AMD", - .driver_data = &quirk_s2idle_bug, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "20UH"), - } - }, - { - .ident = "T14s Gen1 AMD", - .driver_data = &quirk_s2idle_bug, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "20UJ"), - } - }, - { - .ident = "P14s Gen1 AMD", - .driver_data = &quirk_s2idle_bug, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "20Y1"), - } - }, - { - .ident = "P14s Gen2 AMD", - .driver_data = &quirk_s2idle_bug, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "21A0"), - } - }, - { - .ident = "P14s Gen2 AMD", - .driver_data = &quirk_s2idle_bug, - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_NAME, "21A1"), - } - }, {} }; -#ifdef CONFIG_SUSPEND -/* - * Lenovo laptops from a variety of generations run a SMI handler during the D3->D0 - * transition that occurs specifically when exiting suspend to idle which can cause - * large delays during resume when the IOMMU translation layer is enabled (the default - * behavior) for NVME devices: - * - * To avoid this firmware problem, skip the SMI handler on these machines before the - * D0 transition occurs. - */ -static void thinkpad_acpi_amd_s2idle_restore(void) -{ - struct resource *res; - void __iomem *addr; - u8 val; - - res = request_mem_region_muxed(tp_features.quirks->s2idle_bug_mmio, 1, - "thinkpad_acpi_pm80"); - if (!res) - return; - - addr = ioremap(tp_features.quirks->s2idle_bug_mmio, 1); - if (!addr) - goto cleanup_resource; - - val = ioread8(addr); - iowrite8(val & ~BIT(0), addr); - - iounmap(addr); -cleanup_resource: - release_resource(res); - kfree(res); -} - -static struct acpi_s2idle_dev_ops thinkpad_acpi_s2idle_dev_ops = { - .restore = thinkpad_acpi_amd_s2idle_restore, -}; -#endif - static const struct pci_device_id fwbug_cards_ids[] __initconst = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x24F3) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x24FD) }, @@ -11668,10 +11536,6 @@ static void thinkpad_acpi_module_exit(void) tpacpi_lifecycle = TPACPI_LIFE_EXITING; -#ifdef CONFIG_SUSPEND - if (tp_features.quirks && tp_features.quirks->s2idle_bug_mmio) - acpi_unregister_lps0_dev(&thinkpad_acpi_s2idle_dev_ops); -#endif if (tpacpi_hwmon) hwmon_device_unregister(tpacpi_hwmon); if (tp_features.sensors_pdrv_registered) @@ -11861,13 +11725,6 @@ static int __init thinkpad_acpi_module_init(void) tp_features.input_device_registered = 1; } -#ifdef CONFIG_SUSPEND - if (tp_features.quirks && tp_features.quirks->s2idle_bug_mmio) { - if (!acpi_register_lps0_dev(&thinkpad_acpi_s2idle_dev_ops)) - pr_info("Using s2idle quirk to avoid %s platform firmware bug\n", - (dmi_id && dmi_id->ident) ? dmi_id->ident : ""); - } -#endif return 0; } diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index 68e66b60445c..a5b687eed8f3 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -26,6 +26,21 @@ struct ts_dmi_data { /* NOTE: Please keep all entries sorted alphabetically */ +static const struct property_entry archos_101_cesium_educ_props[] = { + PROPERTY_ENTRY_U32("touchscreen-size-x", 1280), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1850), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"), + PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"), + PROPERTY_ENTRY_U32("silead,max-fingers", 10), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-archos-101-cesium-educ.fw"), + { } +}; + +static const struct ts_dmi_data archos_101_cesium_educ_data = { + .acpi_name = "MSSL1680:00", + .properties = archos_101_cesium_educ_props, +}; + static const struct property_entry chuwi_hi8_props[] = { PROPERTY_ENTRY_U32("touchscreen-size-x", 1665), PROPERTY_ENTRY_U32("touchscreen-size-y", 1140), @@ -1048,6 +1063,13 @@ static const struct ts_dmi_data vinga_twizzle_j116_data = { /* NOTE: Please keep this table sorted alphabetically */ const struct dmi_system_id touchscreen_dmi_table[] = { { + /* Archos 101 Cesium Educ */ + .driver_data = (void *)&archos_101_cesium_educ_data, + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "ARCHOS 101 Cesium Educ"), + }, + }, + { /* Chuwi Hi8 */ .driver_data = (void *)&chuwi_hi8_data, .matches = { diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 5b95d7aa5c2f..a78ddd83cda0 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -136,6 +136,16 @@ static acpi_status find_guid(const char *guid_string, struct wmi_block **out) return AE_NOT_FOUND; } +static bool guid_parse_and_compare(const char *string, const guid_t *guid) +{ + guid_t guid_input; + + if (guid_parse(string, &guid_input)) + return false; + + return guid_equal(&guid_input, guid); +} + static const void *find_guid_context(struct wmi_block *wblock, struct wmi_driver *wdriver) { @@ -146,11 +156,7 @@ static const void *find_guid_context(struct wmi_block *wblock, return NULL; while (*id->guid_string) { - guid_t guid_input; - - if (guid_parse(id->guid_string, &guid_input)) - continue; - if (guid_equal(&wblock->gblock.guid, &guid_input)) + if (guid_parse_and_compare(id->guid_string, &wblock->gblock.guid)) return id->context; id++; } @@ -895,11 +901,7 @@ static int wmi_dev_match(struct device *dev, struct device_driver *driver) return 0; while (*id->guid_string) { - guid_t driver_guid; - - if (WARN_ON(guid_parse(id->guid_string, &driver_guid))) - continue; - if (guid_equal(&driver_guid, &wblock->gblock.guid)) + if (guid_parse_and_compare(id->guid_string, &wblock->gblock.guid)) return 1; id++; @@ -1239,11 +1241,7 @@ static bool guid_already_parsed_for_legacy(struct acpi_device *device, const gui list_for_each_entry(wblock, &wmi_block_list, list) { /* skip warning and register if we know the driver will use struct wmi_driver */ for (int i = 0; allow_duplicates[i] != NULL; i++) { - guid_t tmp; - - if (guid_parse(allow_duplicates[i], &tmp)) - continue; - if (guid_equal(&tmp, guid)) + if (guid_parse_and_compare(allow_duplicates[i], guid)) return false; } if (guid_equal(&wblock->gblock.guid, guid)) { |