lkml.org 
[lkml]   [2015]   [Jul]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH] clk: s2mps11: Use kcalloc instead of kzalloc for array allocation
Hi Vaibhav,

On 22 July 2015 at 15:04, Vaibhav Hiremath <vaibhav.hiremath@linaro.org> wrote:
> This patch cleans up the driver for,
>
> - Use devm_kcalloc varient 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>
> ---
> Since I do not have platform to test, it would be helpful if someone
> tests it for me.
> I have build tested it.
>
> drivers/clk/clk-s2mps11.c | 18 +++++++-----------
> 1 file changed, 7 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
> index 9b13a30..e17c66a 100644
> --- a/drivers/clk/clk-s2mps11.c
> +++ b/drivers/clk/clk-s2mps11.c
> @@ -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;
>
> @@ -322,7 +318,7 @@ 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);
> }
> --
> 1.9.1
>

Tested on Odroid-XU3 board.

Tested-by: Anand Moon <linux.amoon@gmail.com>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html


\
 
 \ /
  Last update: 2015-07-22 14:01    [W:0.085 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site