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Message-ID: <8f7868b7-ecac-0dcf-7a37-25ab57b51bf7@gmail.com>
Date: Wed, 22 Jun 2022 15:55:14 +0200
From: Matthias Brugger <matthias.bgg@...il.com>
To: Jin Xiaoyun <jinxiaoyun2@...wei.com>,
angelogioacchino.delregno@...labora.com, khilman@...libre.com,
zhengbin13@...wei.com, gaochao49@...wei.com
Cc: linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] soc: mediatek: SVS: Make svs_resume and svs_suspend
defined when CONFIG_PM_SLEEP is y
On 22/06/2022 03:34, Jin Xiaoyun wrote:
> The svs_resume and svs_suspend is defined through SIMPLE_DEV_PM_OPS. If CONFIG_PM_SLEEP
SIMPLE_DEV_PM_OPS is deprecated. The correct fix is to use
DEFINE_SIMPLE_DEV_PM_OPS().
Regards,
Matthias
> is not defined, SIMPLE_DEV_PM_OPS is equivalent to an empty function. In this case,
> the defination of svs_resume and svs_suspend is meaningless.
>
> Fix build error:
> drivers/soc/mediatek/mtk-svs.c:1515:12: error: ‘svs_resume’ defined but not used [-Werror=unused-function]
> drivers/soc/mediatek/mtk-svs.c:1481:12: error: ‘svs_suspend’ defined but not used [-Werror=unused-function]
>
> Signed-off-by: Jin Xiaoyun <jinxiaoyun2@...wei.com>
> ---
> drivers/soc/mediatek/mtk-svs.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/soc/mediatek/mtk-svs.c b/drivers/soc/mediatek/mtk-svs.c
> index 606a00a2e57d..8440058784dc 100644
> --- a/drivers/soc/mediatek/mtk-svs.c
> +++ b/drivers/soc/mediatek/mtk-svs.c
> @@ -1478,6 +1478,7 @@ static int svs_start(struct svs_platform *svsp)
> return 0;
> }
>
> +#ifdef CONFIG_PM_SLEEP
> static int svs_suspend(struct device *dev)
> {
> struct svs_platform *svsp = dev_get_drvdata(dev);
> @@ -1537,6 +1538,7 @@ static int svs_resume(struct device *dev)
>
> return 0;
> }
> +#endif
>
> static int svs_bank_resource_setup(struct svs_platform *svsp)
> {
> --
> 2.25.1
>
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