[Patch] Regulator: Replace kzalloc with devm_kzalloc and if-elsewith a switch-case for da9052-regulator

From: Ashish Jangam
Date: Thu Dec 15 2011 - 08:32:58 EST


Reported-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: David Dajun Chen <dchen@xxxxxxxxxxx>
Signed-off-by: Ashish Jangam <ashish.jangam@xxxxxxxxxxxxxxx>
---
drivers/regulator/da9052-regulator.c | 16 +++++++++++-----
1 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c
index 9fff281..37a20c1 100755
--- a/drivers/regulator/da9052-regulator.c
+++ b/drivers/regulator/da9052-regulator.c
@@ -505,18 +505,23 @@ static inline struct da9052_regulator_info *find_regulator_info(u8 chip_id,
struct da9052_regulator_info *info;
int i;

- if (chip_id == DA9052) {
+ switch (chip_id) {
+ case DA9052:
for (i = 0; i < ARRAY_SIZE(da9052_regulator_info); i++) {
info = &da9052_regulator_info[i];
if (info->reg_desc.id == id)
return info;
}
- } else {
+ break;
+ case DA9053_AA:
+ case DA9053_BA:
+ case DA9053_BB:
for (i = 0; i < ARRAY_SIZE(da9053_regulator_info); i++) {
info = &da9053_regulator_info[i];
if (info->reg_desc.id == id)
return info;
}
+ break;
}

return NULL;
@@ -529,7 +534,8 @@ static int __devinit da9052_regulator_probe(struct platform_device *pdev)
struct da9052_pdata *pdata;
int ret;

- regulator = kzalloc(sizeof(struct da9052_regulator), GFP_KERNEL);
+ regulator = devm_kzalloc(&pdev->dev, sizeof(struct da9052_regulator),
+ GFP_KERNEL);
if (!regulator)
return -ENOMEM;

@@ -559,7 +565,7 @@ static int __devinit da9052_regulator_probe(struct platform_device *pdev)

return 0;
err:
- kfree(regulator);
+ devm_kfree(&pdev->dev, regulator);
return ret;
}

@@ -568,7 +574,7 @@ static int __devexit da9052_regulator_remove(struct platform_device *pdev)
struct da9052_regulator *regulator = platform_get_drvdata(pdev);

regulator_unregister(regulator->rdev);
- kfree(regulator);
+ devm_kfree(&pdev->dev, regulator);

return 0;
}


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