The function cdn_dp_resume() may have no callers depending on configuration, so it must be marked __maybe_unused to avoid harmless warning:

drivers/gpu/drm/rockchip/cdn-dp-core.c:1124:12: warning: 'cdn_dp_resume' defined but not used [-Wunused-function] 1124 | static int cdn_dp_resume(struct device *dev) | ^~~~~~~~~~~~~

Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Wei Yongjun weiyongjun1@huawei.com --- drivers/gpu/drm/rockchip/cdn-dp-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c index a4a45daf93f2..1162e321aaed 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c @@ -1121,7 +1121,7 @@ static int cdn_dp_suspend(struct device *dev) return ret; }

-static int cdn_dp_resume(struct device *dev) +static int __maybe_unused cdn_dp_resume(struct device *dev) { struct cdn_dp_device *dp = dev_get_drvdata(dev);