The mutex lock is not used at all, remove it.
The *vmmc_regulator is not necessary, use a local variable in
stw481x_vmmc_regulator_probe() instead.
Signed-off-by: Axel Lin <axel....@ingics.com>
---
drivers/regulator/stw481x-vmmc.c | 8 ++++----
include/linux/mfd/stw481x.h | 4 ----
2 files changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/regulator/stw481x-vmmc.c b/drivers/regulator/stw481x-vmmc.c
index 89025f5..7d2ae3e 100644
--- a/drivers/regulator/stw481x-vmmc.c
+++ b/drivers/regulator/stw481x-vmmc.c
@@ -56,6 +56,7 @@ static int stw481x_vmmc_regulator_probe(struct
platform_device *pdev)
{
struct stw481x *stw481x = dev_get_platdata(&pdev->dev);
struct regulator_config config = { };
+ struct regulator_dev *rdev;
int ret;
/* First disable the external VMMC if it's active */
@@ -75,12 +76,11 @@ static int stw481x_vmmc_regulator_probe(struct
platform_device *pdev)
pdev->dev.of_node,
&vmmc_regulator);
- stw481x->vmmc_regulator = devm_regulator_register(&pdev->dev,
- &vmmc_regulator, &config);
- if (IS_ERR(stw481x->vmmc_regulator)) {
+ rdev = devm_regulator_register(&pdev->dev, &vmmc_regulator, &config);
+ if (IS_ERR(rdev)) {
dev_err(&pdev->dev,
"error initializing STw481x VMMC regulator\n");
- return PTR_ERR(stw481x->vmmc_regulator);
+ return PTR_ERR(rdev);
}
dev_info(&pdev->dev, "initialized STw481x VMMC regulator\n");
diff --git a/include/linux/mfd/stw481x.h b/include/linux/mfd/stw481x.h
index eda1215..833074b 100644
--- a/include/linux/mfd/stw481x.h
+++ b/include/linux/mfd/stw481x.h
@@ -41,15 +41,11 @@
/**
* struct stw481x - state holder for the Stw481x drivers
- * @mutex: mutex to serialize I2C accesses
* @i2c_client: corresponding I2C client
- * @regulator: regulator device for regulator children
* @map: regmap handle to access device registers
*/
struct stw481x {
- struct mutex lock;
struct i2c_client *client;
- struct regulator_dev *vmmc_regulator;
struct regmap *map;
};
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
