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SubjectRe: [PATCH] remoteproc: imx_dsp_rproc: mark PM functions as __maybe_unused
On Thu, Oct 14, 2021 at 09:52:24AM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
>
> When CONFIG_PM_SLEEP is disabled, we get a harmless warning:
>
> drivers/remoteproc/imx_dsp_rproc.c:1145:12: error: 'imx_dsp_resume' defined but not used [-Werror=unused-function]
> 1145 | static int imx_dsp_resume(struct device *dev)
> | ^~~~~~~~~~~~~~
> drivers/remoteproc/imx_dsp_rproc.c:1110:12: error: 'imx_dsp_suspend' defined but not used [-Werror=unused-function]
> 1110 | static int imx_dsp_suspend(struct device *dev)
> | ^~~~~~~~~~~~~~~
>
> Mark these as __maybe_unused to get a clean build.
>
> Fixes: ec0e5549f358 ("remoteproc: imx_dsp_rproc: Add remoteproc driver for DSP on i.MX")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
> drivers/remoteproc/imx_dsp_rproc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

I have applied this.

Thanks,
Mathieu

>
> diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
> index 63749cfcf22f..90fcb389e252 100644
> --- a/drivers/remoteproc/imx_dsp_rproc.c
> +++ b/drivers/remoteproc/imx_dsp_rproc.c
> @@ -1107,7 +1107,7 @@ static void imx_dsp_load_firmware(const struct firmware *fw, void *context)
> release_firmware(fw);
> }
>
> -static int imx_dsp_suspend(struct device *dev)
> +static __maybe_unused int imx_dsp_suspend(struct device *dev)
> {
> struct rproc *rproc = dev_get_drvdata(dev);
> struct imx_dsp_rproc *priv = rproc->priv;
> @@ -1142,7 +1142,7 @@ static int imx_dsp_suspend(struct device *dev)
> return pm_runtime_force_suspend(dev);
> }
>
> -static int imx_dsp_resume(struct device *dev)
> +static __maybe_unused int imx_dsp_resume(struct device *dev)
> {
> struct rproc *rproc = dev_get_drvdata(dev);
> int ret = 0;
> --
> 2.29.2
>

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