[PATCH] remoteproc: imx_dsp_rproc: mark PM functions as __maybe_unused

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From: Arnd Bergmann <arnd@xxxxxxxx>

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@xxxxxxxx>
---
 drivers/remoteproc/imx_dsp_rproc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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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