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 <chenjun...@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)
{
--
2.25.0
