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-rw-r--r--drivers/base/regmap/regmap-mmio.c3
-rw-r--r--drivers/base/regmap/regmap-slimbus.c2
-rw-r--r--include/linux/regmap.h19
3 files changed, 21 insertions, 3 deletions
diff --git a/drivers/base/regmap/regmap-mmio.c b/drivers/base/regmap/regmap-mmio.c
index 5cadfd3394d8..8741fb5f8f54 100644
--- a/drivers/base/regmap/regmap-mmio.c
+++ b/drivers/base/regmap/regmap-mmio.c
@@ -206,7 +206,8 @@ static void regmap_mmio_free_context(void *context)
if (!IS_ERR(ctx->clk)) {
clk_unprepare(ctx->clk);
- clk_put(ctx->clk);
+ if (!ctx->attached_clk)
+ clk_put(ctx->clk);
}
kfree(context);
}
diff --git a/drivers/base/regmap/regmap-slimbus.c b/drivers/base/regmap/regmap-slimbus.c
index c90bee81d954..91d501eda8a9 100644
--- a/drivers/base/regmap/regmap-slimbus.c
+++ b/drivers/base/regmap/regmap-slimbus.c
@@ -41,7 +41,7 @@ static struct regmap_bus regmap_slimbus_bus = {
static const struct regmap_bus *regmap_get_slimbus(struct slim_device *slim,
const struct regmap_config *config)
{
- if (config->val_bits == 8 && config->reg_bits == 8)
+ if (config->val_bits == 8 && config->reg_bits == 16)
return &regmap_slimbus_bus;
return ERR_PTR(-ENOTSUPP);
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 5f7ad0552c03..4f38068ffb71 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -15,6 +15,7 @@
#include <linux/list.h>
#include <linux/rbtree.h>
+#include <linux/ktime.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/bug.h>
@@ -587,7 +588,10 @@ struct regmap *__devm_regmap_init_sdw(struct sdw_slave *sdw,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name);
-
+struct regmap *__devm_regmap_init_slimbus(struct slim_device *slimbus,
+ const struct regmap_config *config,
+ struct lock_class_key *lock_key,
+ const char *lock_name);
/*
* Wrapper for regmap_init macros to include a unique lockdep key and name
* for each call. No-op if CONFIG_LOCKDEP is not set.
@@ -906,6 +910,19 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
__regmap_lockdep_wrapper(__devm_regmap_init_sdw, #config, \
sdw, config)
+/**
+ * devm_regmap_init_slimbus() - Initialise managed register map
+ *
+ * @slimbus: Device that will be interacted with
+ * @config: Configuration for register map
+ *
+ * The return value will be an ERR_PTR() on error or a valid pointer
+ * to a struct regmap. The regmap will be automatically freed by the
+ * device management code.
+ */
+#define devm_regmap_init_slimbus(slimbus, config) \
+ __regmap_lockdep_wrapper(__devm_regmap_init_slimbus, #config, \
+ slimbus, config)
int regmap_mmio_attach_clk(struct regmap *map, struct clk *clk);
void regmap_mmio_detach_clk(struct regmap *map);
void regmap_exit(struct regmap *map);