drivers/memory/mtk-smi.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
Replace devm_clk_get() and clk_prepare_enable() with
devm_clk_get_enabled() in .probe().
Fix the bug of missing clk_disable_unprepare() in .remove() by
using devm_clk_get_enabled() that can disables and unprepares
it automatically on driver detach.
Fixes: 3c8f4ad85c4b ("memory/mediatek: add support for mt2701")
Cc: honghui.zhang@mediatek.com
Signed-off-by: Rong Qianfeng <rongqianfeng@vivo.com>
---
Version 2 changes:
1. Modified the patch description as suggested by Krzysztof.
drivers/memory/mtk-smi.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
index fbe52ecc0eca..2bc034dff691 100644
--- a/drivers/memory/mtk-smi.c
+++ b/drivers/memory/mtk-smi.c
@@ -771,13 +771,9 @@ static int mtk_smi_common_probe(struct platform_device *pdev)
if (IS_ERR(common->smi_ao_base))
return PTR_ERR(common->smi_ao_base);
- common->clk_async = devm_clk_get(dev, "async");
+ common->clk_async = devm_clk_get_enabled(dev, "async");
if (IS_ERR(common->clk_async))
return PTR_ERR(common->clk_async);
-
- ret = clk_prepare_enable(common->clk_async);
- if (ret)
- return ret;
} else {
common->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(common->base))
--
2.39.0
On Wed, 21 Aug 2024 11:25:57 +0800, Rong Qianfeng wrote:
> Replace devm_clk_get() and clk_prepare_enable() with
> devm_clk_get_enabled() in .probe().
>
> Fix the bug of missing clk_disable_unprepare() in .remove() by
> using devm_clk_get_enabled() that can disables and unprepares
> it automatically on driver detach.
>
> [...]
Applied, thanks!
[1/1] memory: mtk-smi: Use devm_clk_get_enabled()
https://git.kernel.org/krzk/linux-mem-ctrl/c/ff390189b7f2cfa20c644bc58b4462b5e2621838
Best regards,
--
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
On Wed, 2024-08-21 at 11:25 +0800, Rong Qianfeng wrote:
>
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> Replace devm_clk_get() and clk_prepare_enable() with
>
> devm_clk_get_enabled() in .probe().
>
>
>
> Fix the bug of missing clk_disable_unprepare() in .remove() by
>
> using devm_clk_get_enabled() that can disables and unprepares
>
> it automatically on driver detach.
>
>
> Fixes: 3c8f4ad85c4b ("memory/mediatek: add support for mt2701")
>
> Cc: honghui.zhang@mediatek.com
>
> Signed-off-by: Rong Qianfeng <rongqianfeng@vivo.com>
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
> ---
>
> Version 2 changes:
>
> 1. Modified the patch description as suggested by Krzysztof.
>
>
> drivers/memory/mtk-smi.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/memory/mtk-smi.c b/drivers/memory/mtk-smi.c
> index fbe52ecc0eca..2bc034dff691 100644
> --- a/drivers/memory/mtk-smi.c
> +++ b/drivers/memory/mtk-smi.c
> @@ -771,13 +771,9 @@ static int mtk_smi_common_probe(struct
> platform_device *pdev)
> if (IS_ERR(common->smi_ao_base))
> return PTR_ERR(common->smi_ao_base);
>
> - common->clk_async = devm_clk_get(dev, "async");
> + common->clk_async = devm_clk_get_enabled(dev, "async");
> if (IS_ERR(common->clk_async))
> return PTR_ERR(common->clk_async);
> -
> - ret = clk_prepare_enable(common->clk_async);
> - if (ret)
> - return ret;
> } else {
> common->base = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(common->base))
> --
> 2.39.0
>
© 2016 - 2026 Red Hat, Inc.