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authorMarkus Schneider-Pargmann <msp@baylibre.com>2023-09-18 11:37:47 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2023-10-17 11:41:42 +0200
commitae442ba85a6657f284cdc166ba107af3a762e668 (patch)
tree3e821dcf4fc5cca58976d6f8e7b9e92ea59764f0 /drivers/pmdomain
parentc6bee73207684bf6dac2855de8faa508c3c5026d (diff)
pmdomain: mediatek: Split bus_prot_mask
bus_prot_mask is used for all operations, set clear and acknowledge. In preparation of m8365 power domain support split this one mask into two, one mask for set and clear, another one for acknowledge. Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com> Tested-by: Alexandre Mergnat <amergnat@baylibre.com> Link: https://lore.kernel.org/r/20230918093751.1188668-4-msp@baylibre.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/pmdomain')
-rw-r--r--drivers/pmdomain/mediatek/mtk-pm-domains.c24
-rw-r--r--drivers/pmdomain/mediatek/mtk-pm-domains.h14
2 files changed, 22 insertions, 16 deletions
diff --git a/drivers/pmdomain/mediatek/mtk-pm-domains.c b/drivers/pmdomain/mediatek/mtk-pm-domains.c
index da675a33bdf5..dbb268e96310 100644
--- a/drivers/pmdomain/mediatek/mtk-pm-domains.c
+++ b/drivers/pmdomain/mediatek/mtk-pm-domains.c
@@ -123,18 +123,20 @@ static int _scpsys_bus_protect_enable(const struct scpsys_bus_prot_data *bpd, st
int i, ret;
for (i = 0; i < SPM_MAX_BUS_PROT_DATA; i++) {
- u32 val, mask = bpd[i].bus_prot_mask;
+ u32 set_clr_mask = bpd[i].bus_prot_set_clr_mask;
+ u32 sta_mask = bpd[i].bus_prot_sta_mask;
+ u32 val;
- if (!mask)
+ if (!set_clr_mask)
break;
if (bpd[i].flags & BUS_PROT_REG_UPDATE)
- regmap_set_bits(regmap, bpd[i].bus_prot_set, mask);
+ regmap_set_bits(regmap, bpd[i].bus_prot_set, set_clr_mask);
else
- regmap_write(regmap, bpd[i].bus_prot_set, mask);
+ regmap_write(regmap, bpd[i].bus_prot_set, set_clr_mask);
ret = regmap_read_poll_timeout(regmap, bpd[i].bus_prot_sta,
- val, (val & mask) == mask,
+ val, (val & sta_mask) == sta_mask,
MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
if (ret)
return ret;
@@ -160,21 +162,23 @@ static int _scpsys_bus_protect_disable(const struct scpsys_bus_prot_data *bpd,
int i, ret;
for (i = SPM_MAX_BUS_PROT_DATA - 1; i >= 0; i--) {
- u32 val, mask = bpd[i].bus_prot_mask;
+ u32 set_clr_mask = bpd[i].bus_prot_set_clr_mask;
+ u32 sta_mask = bpd[i].bus_prot_sta_mask;
+ u32 val;
- if (!mask)
+ if (!set_clr_mask)
continue;
if (bpd[i].flags & BUS_PROT_REG_UPDATE)
- regmap_clear_bits(regmap, bpd[i].bus_prot_clr, mask);
+ regmap_clear_bits(regmap, bpd[i].bus_prot_clr, set_clr_mask);
else
- regmap_write(regmap, bpd[i].bus_prot_clr, mask);
+ regmap_write(regmap, bpd[i].bus_prot_clr, set_clr_mask);
if (bpd[i].flags & BUS_PROT_IGNORE_CLR_ACK)
continue;
ret = regmap_read_poll_timeout(regmap, bpd[i].bus_prot_sta,
- val, !(val & mask),
+ val, !(val & sta_mask),
MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
if (ret)
return ret;
diff --git a/drivers/pmdomain/mediatek/mtk-pm-domains.h b/drivers/pmdomain/mediatek/mtk-pm-domains.h
index d8c0c299dd45..4c3ab72a907b 100644
--- a/drivers/pmdomain/mediatek/mtk-pm-domains.h
+++ b/drivers/pmdomain/mediatek/mtk-pm-domains.h
@@ -47,22 +47,23 @@ enum scpsys_bus_prot_flags {
BUS_PROT_IGNORE_CLR_ACK = BIT(2),
};
-#define _BUS_PROT(_mask, _set, _clr, _sta, _flags) { \
- .bus_prot_mask = (_mask), \
+#define _BUS_PROT(_set_clr_mask, _set, _clr, _sta_mask, _sta, _flags) { \
+ .bus_prot_set_clr_mask = (_set_clr_mask), \
.bus_prot_set = _set, \
.bus_prot_clr = _clr, \
+ .bus_prot_sta_mask = (_sta_mask), \
.bus_prot_sta = _sta, \
.flags = _flags \
}
#define BUS_PROT_WR(_mask, _set, _clr, _sta) \
- _BUS_PROT(_mask, _set, _clr, _sta, 0)
+ _BUS_PROT(_mask, _set, _clr, _mask, _sta, 0)
#define BUS_PROT_WR_IGN(_mask, _set, _clr, _sta) \
- _BUS_PROT(_mask, _set, _clr, _sta, BUS_PROT_IGNORE_CLR_ACK)
+ _BUS_PROT(_mask, _set, _clr, _mask, _sta, BUS_PROT_IGNORE_CLR_ACK)
#define BUS_PROT_UPDATE(_mask, _set, _clr, _sta) \
- _BUS_PROT(_mask, _set, _clr, _sta, BUS_PROT_REG_UPDATE)
+ _BUS_PROT(_mask, _set, _clr, _mask, _sta, BUS_PROT_REG_UPDATE)
#define BUS_PROT_UPDATE_TOPAXI(_mask) \
BUS_PROT_UPDATE(_mask, \
@@ -71,9 +72,10 @@ enum scpsys_bus_prot_flags {
INFRA_TOPAXI_PROTECTSTA1)
struct scpsys_bus_prot_data {
- u32 bus_prot_mask;
+ u32 bus_prot_set_clr_mask;
u32 bus_prot_set;
u32 bus_prot_clr;
+ u32 bus_prot_sta_mask;
u32 bus_prot_sta;
u8 flags;
};