If build Image without CONFIG_PM_SLEEP, there would be a compile warning: warning: ‘cdn_dp_resume’ defined but not used [-Wunused-function]
Because SET_SYSTEM_SLEEP_PM_OPS will do nothing without CONFIG_PM_SLEEP.
Make cdn_dp_resume depend on CONFIG_PM_SLEEP
Signed-off-by: Chen Jun chenjun102@huawei.com --- drivers/gpu/drm/rockchip/cdn-dp-core.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c index a4a45daf93f2..063a60d213ba 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c @@ -1121,6 +1121,7 @@ static int cdn_dp_suspend(struct device *dev) return ret; }
+#ifdef CONFIG_PM_SLEEP static int cdn_dp_resume(struct device *dev) { struct cdn_dp_device *dp = dev_get_drvdata(dev); @@ -1133,6 +1134,7 @@ static int cdn_dp_resume(struct device *dev)
return 0; } +#endif
static int cdn_dp_probe(struct platform_device *pdev) {