From: Shida Zhang <zhangshida@xxxxxxxxxx> In a configuration with CONFIG_SCSI_UFS_MEDIATEK set to 'm' and CONFIG_PM set to 'n', errors occur at compile time: ==== ../drivers/ufs/host/ufs-mediatek.c: In function ‘ufs_mtk_runtime_suspend’: ../drivers/ufs/host/ufs-mediatek.c:1621:8: error: implicit declaration of function ‘ufshcd_runtime_suspend’; did you mean ‘ufs_mtk_runtime_suspend’? [-Werror=implicit-function-declaration] ../drivers/ufs/host/ufs-mediatek.c: In function ‘ufs_mtk_runtime_resume’: ../drivers/ufs/host/ufs-mediatek.c:1636:9: error: implicit declaration of function ‘ufshcd_runtime_resume’; did you mean ‘ufs_mtk_runtime_resume’? [-Werror=implicit-function-declaration] ==== Fix these errors by guarding the runtime PM functions with CONFIG_PM. Reported-by: k2ci <kernel-bot@xxxxxxxxxx> Signed-off-by: Shida Zhang <zhangshida@xxxxxxxxxx> Reviewed-by: Manivannan Sadhasivam <mani@xxxxxxxxxx> --- Changes in v3 Reword the subject and the commit message. Changes in v2: Guard these functions with CONFIG_PM instead of selecting it. drivers/ufs/host/ufs-mediatek.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index 21d9b047539f..73e217260390 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -1613,6 +1613,7 @@ static int ufs_mtk_system_resume(struct device *dev) } #endif +#ifdef CONFIG_PM static int ufs_mtk_runtime_suspend(struct device *dev) { struct ufs_hba *hba = dev_get_drvdata(dev); @@ -1635,6 +1636,7 @@ static int ufs_mtk_runtime_resume(struct device *dev) return ufshcd_runtime_resume(dev); } +#endif static const struct dev_pm_ops ufs_mtk_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(ufs_mtk_system_suspend, -- 2.25.1