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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:22 +0000
commitb20732900e4636a467c0183a47f7396700f5f743 (patch)
tree42f079ff82e701ebcb76829974b4caca3e5b6798 /drivers/soc/sunxi
parentAdding upstream version 6.8.12. (diff)
downloadlinux-b20732900e4636a467c0183a47f7396700f5f743.tar.xz
linux-b20732900e4636a467c0183a47f7396700f5f743.zip
Adding upstream version 6.9.7.upstream/6.9.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/soc/sunxi')
-rw-r--r--drivers/soc/sunxi/sunxi_sram.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/soc/sunxi/sunxi_sram.c b/drivers/soc/sunxi/sunxi_sram.c
index 4458b2e056..6eb6cf0627 100644
--- a/drivers/soc/sunxi/sunxi_sram.c
+++ b/drivers/soc/sunxi/sunxi_sram.c
@@ -287,6 +287,7 @@ EXPORT_SYMBOL(sunxi_sram_release);
struct sunxi_sramc_variant {
int num_emac_clocks;
bool has_ldo_ctrl;
+ bool has_ths_offset;
};
static const struct sunxi_sramc_variant sun4i_a10_sramc_variant = {
@@ -308,8 +309,10 @@ static const struct sunxi_sramc_variant sun50i_a64_sramc_variant = {
static const struct sunxi_sramc_variant sun50i_h616_sramc_variant = {
.num_emac_clocks = 2,
+ .has_ths_offset = true,
};
+#define SUNXI_SRAM_THS_OFFSET_REG 0x0
#define SUNXI_SRAM_EMAC_CLOCK_REG 0x30
#define SUNXI_SYS_LDO_CTRL_REG 0x150
@@ -318,6 +321,8 @@ static bool sunxi_sram_regmap_accessible_reg(struct device *dev,
{
const struct sunxi_sramc_variant *variant = dev_get_drvdata(dev);
+ if (reg == SUNXI_SRAM_THS_OFFSET_REG && variant->has_ths_offset)
+ return true;
if (reg >= SUNXI_SRAM_EMAC_CLOCK_REG &&
reg < SUNXI_SRAM_EMAC_CLOCK_REG + variant->num_emac_clocks * 4)
return true;
@@ -327,6 +332,20 @@ static bool sunxi_sram_regmap_accessible_reg(struct device *dev,
return false;
}
+static void sunxi_sram_lock(void *_lock)
+{
+ spinlock_t *lock = _lock;
+
+ spin_lock(lock);
+}
+
+static void sunxi_sram_unlock(void *_lock)
+{
+ spinlock_t *lock = _lock;
+
+ spin_unlock(lock);
+}
+
static struct regmap_config sunxi_sram_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
@@ -336,6 +355,9 @@ static struct regmap_config sunxi_sram_regmap_config = {
/* other devices have no business accessing other registers */
.readable_reg = sunxi_sram_regmap_accessible_reg,
.writeable_reg = sunxi_sram_regmap_accessible_reg,
+ .lock = sunxi_sram_lock,
+ .unlock = sunxi_sram_unlock,
+ .lock_arg = &sram_lock,
};
static int __init sunxi_sram_probe(struct platform_device *pdev)