Add missing CONFIG_PM ifdefs to fix this allmodconfig compile error: drivers/clk/imx/clk-imx8mp-audiomix.c:356:12: error: 'clk_imx8mp_audiomix_runtime_suspend' defined but not used [-Werror=unused-function] 356 | static int clk_imx8mp_audiomix_runtime_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> Closes: https://lore.kernel.org/r/CA+G9fYuP7S+a89Ep5g5_Ad69EMwRkJ8nM+MMTzbEcP+6H2oMXQ@xxxxxxxxxxxxxx Fixes: 1496dd413b2e ("clk: imx: imx8mp: Add pm_runtime support for power saving") Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx> --- drivers/clk/imx/clk-imx8mp-audiomix.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/clk/imx/clk-imx8mp-audiomix.c b/drivers/clk/imx/clk-imx8mp-audiomix.c index 574a032309c1..6549e55e94c9 100644 --- a/drivers/clk/imx/clk-imx8mp-audiomix.c +++ b/drivers/clk/imx/clk-imx8mp-audiomix.c @@ -217,6 +217,8 @@ struct clk_imx8mp_audiomix_priv { struct clk_hw_onecell_data clk_data; }; +#ifdef CONFIG_PM + static void clk_imx8mp_audiomix_save_restore(struct device *dev, bool save) { struct clk_imx8mp_audiomix_priv *priv = dev_get_drvdata(dev); @@ -232,6 +234,8 @@ static void clk_imx8mp_audiomix_save_restore(struct device *dev, bool save) } } +#endif /* CONFIG_PM */ + static int clk_imx8mp_audiomix_probe(struct platform_device *pdev) { struct clk_imx8mp_audiomix_priv *priv; @@ -353,6 +357,8 @@ static int clk_imx8mp_audiomix_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM + static int clk_imx8mp_audiomix_runtime_suspend(struct device *dev) { clk_imx8mp_audiomix_save_restore(dev, true); @@ -367,6 +373,8 @@ static int clk_imx8mp_audiomix_runtime_resume(struct device *dev) return 0; } +#endif /* CONFIG_PM */ + static const struct dev_pm_ops clk_imx8mp_audiomix_pm_ops = { SET_RUNTIME_PM_OPS(clk_imx8mp_audiomix_runtime_suspend, clk_imx8mp_audiomix_runtime_resume, NULL) -- 2.40.1