[PATCH v2 01/16] regmap: Add regmap_get_device
From: Tuomas Tynkkynen <hidden>
Date: 2014-07-21 15:39:45
Also in:
linux-arm-kernel, linux-pm, linux-tegra, lkml
Subsystem:
driver core, kobjects, debugfs and sysfs, register map abstraction, the rest · Maintainers:
Greg Kroah-Hartman, "Rafael J. Wysocki", Danilo Krummrich, Mark Brown, Linus Torvalds
Add a new function regmap_get_device to obtain the underlying struct device from a regmap. Signed-off-by: Tuomas Tynkkynen <redacted> --- drivers/base/regmap/regmap.c | 12 ++++++++++++ include/linux/regmap.h | 7 +++++++ 2 files changed, 19 insertions(+)
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 74d8c06..5ba0263 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c@@ -1073,6 +1073,18 @@ struct regmap *dev_get_regmap(struct device *dev, const char *name) } EXPORT_SYMBOL_GPL(dev_get_regmap); +/** + * regmap_get_device(): Obtain the device from a regmap + * + * @map: Register map to operate on. + * + * Returns the underlying device that the regmap has been created for. + */ +struct device *regmap_get_device(struct regmap *map) +{ + return map->dev; +} + static int _regmap_select_page(struct regmap *map, unsigned int *reg, struct regmap_range_node *range, unsigned int val_num)
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 7b0e4b4..cd480fd 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h@@ -396,6 +396,7 @@ void regmap_exit(struct regmap *map); int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config); struct regmap *dev_get_regmap(struct device *dev, const char *name); +struct device *regmap_get_device(struct regmap *map); int regmap_write(struct regmap *map, unsigned int reg, unsigned int val); int regmap_write_async(struct regmap *map, unsigned int reg, unsigned int val); int regmap_raw_write(struct regmap *map, unsigned int reg,
@@ -729,6 +730,12 @@ static inline struct regmap *dev_get_regmap(struct device *dev, return NULL; } +static inline struct device *regmap_get_device(struct regmap *map) +{ + WARN_ONCE(1, "regmap API is disabled"); + return -EINVAL; +} + #endif #endif
--
1.8.1.5