Commit 6cfec04b authored by Michal Simek's avatar Michal Simek Committed by Mark Brown
Browse files

regmap: Separate regmap dev initialization



Create special function regmap_attach_dev
which can be called separately out of regmap_init.

Signed-off-by: default avatarMichal Simek <michal.simek@xilinx.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 38dbfb59
......@@ -380,6 +380,28 @@ static void regmap_range_exit(struct regmap *map)
kfree(map->selector_work_buf);
}
int regmap_attach_dev(struct device *dev, struct regmap *map,
const struct regmap_config *config)
{
struct regmap **m;
map->dev = dev;
regmap_debugfs_init(map, config->name);
/* Add a devres resource for dev_get_regmap() */
m = devres_alloc(dev_get_regmap_release, sizeof(*m), GFP_KERNEL);
if (!m) {
regmap_debugfs_exit(map);
return -ENOMEM;
}
*m = map;
devres_add(dev, m);
return 0;
}
EXPORT_SYMBOL_GPL(regmap_attach_dev);
/**
* regmap_init(): Initialise register map
*
......@@ -397,7 +419,7 @@ struct regmap *regmap_init(struct device *dev,
void *bus_context,
const struct regmap_config *config)
{
struct regmap *map, **m;
struct regmap *map;
int ret = -EINVAL;
enum regmap_endian reg_endian, val_endian;
int i, j;
......@@ -734,25 +756,18 @@ skip_format_initialization:
}
}
regmap_debugfs_init(map, config->name);
ret = regcache_init(map, config);
if (ret != 0)
goto err_range;
/* Add a devres resource for dev_get_regmap() */
m = devres_alloc(dev_get_regmap_release, sizeof(*m), GFP_KERNEL);
if (!m) {
ret = -ENOMEM;
goto err_debugfs;
}
*m = map;
devres_add(dev, m);
if (dev)
ret = regmap_attach_dev(dev, map, config);
if (ret != 0)
goto err_regcache;
return map;
err_debugfs:
regmap_debugfs_exit(map);
err_regcache:
regcache_exit(map);
err_range:
regmap_range_exit(map);
......
......@@ -317,6 +317,8 @@ struct regmap *regmap_init(struct device *dev,
const struct regmap_bus *bus,
void *bus_context,
const struct regmap_config *config);
int regmap_attach_dev(struct device *dev, struct regmap *map,
const struct regmap_config *config);
struct regmap *regmap_init_i2c(struct i2c_client *i2c,
const struct regmap_config *config);
struct regmap *regmap_init_spi(struct spi_device *dev,
......
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