Linux supports a clocks property in syscon nodes to indicate that access
should only occur with the clock active. The new regmap-mmio supports
this, thus port syscon over, so it can make use of it in a later commit.
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
drivers/mfd/syscon.c | 27 ++-------------------------
1 file changed, 2 insertions(+), 25 deletions(-)
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index 809941937857..adc263c6e6da 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -31,27 +31,6 @@ struct syscon {
struct regmap *regmap;
};
-static int syscon_reg_write(void *context, unsigned int reg,
- unsigned int val)
-{
- struct syscon *syscon = context;
- writel(val, syscon->base + reg);
- return 0;
-}
-
-static int syscon_reg_read(void *context, unsigned int reg,
- unsigned int *val)
-{
- struct syscon *syscon = context;
- *val = readl(syscon->base + reg);
- return 0;
-}
-
-static const struct regmap_bus syscon_regmap_bus = {
- .reg_write = syscon_reg_write,
- .reg_read = syscon_reg_read,
-};
-
static const struct regmap_config syscon_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
@@ -79,10 +58,8 @@ static struct syscon *of_syscon_register(struct device_node *np)
list_add_tail(&syscon->list, &syscon_list);
- syscon->regmap = regmap_init(NULL,
- &syscon_regmap_bus,
- syscon,
- &syscon_regmap_config);
+ syscon->regmap = of_regmap_init_mmio_clk(np, NULL, syscon->base,
+ &syscon_regmap_config);
return syscon;
err_map:
--
2.25.0
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