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SubjectRe: [PATCH] drivers/thermal/spear_thermal.c: use devm_clk_get
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On Fri, 2012-12-07 at 11:29 +0100, Julia Lawall wrote:
> From: Julia Lawall <Julia.Lawall@lip6.fr>
>
> devm_clk_get allocates a resource that is released when a driver detaches.
> This patch uses devm_clk_get for data that is allocated in the probe
> function of a platform device and is only released in the remove function.
>
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
>
applied to thermal-next.

thanks,
rui

> ---
> I was not able to compile this code. At one point, devm_clk_get was not
> supported for all architectures. If that is still the case, and the code
> doesn't compile, then just ignore the patch.
>
> drivers/thermal/spear_thermal.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c
> index 6b2d8b2..3c5ee56 100644
> --- a/drivers/thermal/spear_thermal.c
> +++ b/drivers/thermal/spear_thermal.c
> @@ -131,7 +131,7 @@ static int spear_thermal_probe(struct platform_device *pdev)
> return -ENOMEM;
> }
>
> - stdev->clk = clk_get(&pdev->dev, NULL);
> + stdev->clk = devm_clk_get(&pdev->dev, NULL);
> if (IS_ERR(stdev->clk)) {
> dev_err(&pdev->dev, "Can't get clock\n");
> return PTR_ERR(stdev->clk);
> @@ -140,7 +140,7 @@ static int spear_thermal_probe(struct platform_device *pdev)
> ret = clk_enable(stdev->clk);
> if (ret) {
> dev_err(&pdev->dev, "Can't enable clock\n");
> - goto put_clk;
> + return ret;
> }
>
> stdev->flags = val;
> @@ -163,8 +163,6 @@ static int spear_thermal_probe(struct platform_device *pdev)
>
> disable_clk:
> clk_disable(stdev->clk);
> -put_clk:
> - clk_put(stdev->clk);
>
> return ret;
> }
> @@ -183,7 +181,6 @@ static int spear_thermal_exit(struct platform_device *pdev)
> writel_relaxed(actual_mask & ~stdev->flags, stdev->thermal_base);
>
> clk_disable(stdev->clk);
> - clk_put(stdev->clk);
>
> return 0;
> }
>




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