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clk: s2mps11: Use kcalloc instead of kzalloc for array allocation

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This patch cleans up the driver for,

  - Use devm_kcalloc() variant instead of devm_kzalloc() for array
    allocation.
  - clk_prepare()/unprepare(), remove "ret" variable as it is not required
  - use __exit for cleanup function

As I am referring this driver as a reference for my 88pm800 clk driver,
applying same changes here as well.

Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Vaibhav Hiremath 2015-07-22 15:04:53 +05:30 committed by Stephen Boyd
parent a57aa18539
commit 7764d0cdc3
1 changed files with 7 additions and 11 deletions
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18
drivers/clk/clk-s2mps11.c
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@ -58,21 +58,17 @@ static struct s2mps11_clk *to_s2mps11_clk(struct clk_hw *hw)
static int s2mps11_clk_prepare(struct clk_hw *hw)
{
struct s2mps11_clk *s2mps11 = to_s2mps11_clk(hw);
int ret;
ret = regmap_update_bits(s2mps11->iodev->regmap_pmic,
return regmap_update_bits(s2mps11->iodev->regmap_pmic,
s2mps11->reg,
s2mps11->mask, s2mps11->mask);
return ret;
}
static void s2mps11_clk_unprepare(struct clk_hw *hw)
{
struct s2mps11_clk *s2mps11 = to_s2mps11_clk(hw);
int ret;
ret = regmap_update_bits(s2mps11->iodev->regmap_pmic, s2mps11->reg,
regmap_update_bits(s2mps11->iodev->regmap_pmic, s2mps11->reg,
s2mps11->mask, ~s2mps11->mask);
}
@ -186,15 +182,15 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
struct clk_init_data *clks_init;
int i, ret = 0;
s2mps11_clks = devm_kzalloc(&pdev->dev, sizeof(*s2mps11_clk) *
S2MPS11_CLKS_NUM, GFP_KERNEL);
s2mps11_clks = devm_kcalloc(&pdev->dev, S2MPS11_CLKS_NUM,
sizeof(*s2mps11_clk), GFP_KERNEL);
if (!s2mps11_clks)
return -ENOMEM;
s2mps11_clk = s2mps11_clks;
clk_table = devm_kzalloc(&pdev->dev, sizeof(struct clk *) *
S2MPS11_CLKS_NUM, GFP_KERNEL);
clk_table = devm_kcalloc(&pdev->dev, S2MPS11_CLKS_NUM,
sizeof(struct clk *), GFP_KERNEL);
if (!clk_table)
return -ENOMEM;
@ -316,7 +312,7 @@ static int __init s2mps11_clk_init(void)
}
subsys_initcall(s2mps11_clk_init);
static void __init s2mps11_clk_cleanup(void)
static void __exit s2mps11_clk_cleanup(void)
{
platform_driver_unregister(&s2mps11_clk_driver);
}