diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/core/regmap.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c index a67a237b88f..74225361fd6 100644 --- a/drivers/core/regmap.c +++ b/drivers/core/regmap.c @@ -14,7 +14,10 @@ #include <regmap.h> #include <asm/io.h> #include <dm/of_addr.h> +#include <dm/devres.h> #include <linux/ioport.h> +#include <linux/compat.h> +#include <linux/err.h> DECLARE_GLOBAL_DATA_PTR; @@ -228,6 +231,32 @@ err: return ret; } + +static void devm_regmap_release(struct udevice *dev, void *res) +{ + regmap_uninit(*(struct regmap **)res); +} + +struct regmap *devm_regmap_init(struct udevice *dev, + const struct regmap_bus *bus, + void *bus_context, + const struct regmap_config *config) +{ + int rc; + struct regmap **mapp; + + mapp = devres_alloc(devm_regmap_release, sizeof(struct regmap *), + __GFP_ZERO); + if (unlikely(!mapp)) + return ERR_PTR(-ENOMEM); + + rc = regmap_init_mem(dev_ofnode(dev), mapp); + if (rc) + return ERR_PTR(rc); + + devres_add(dev, mapp); + return *mapp; +} #endif void *regmap_get_range(struct regmap *map, unsigned int range_num) |