On 08/03/2017 05:20 PM, Arnd Bergmann wrote:
When CONFIG_PM is disabled, we get harmless warnings about unused functions:
drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c:1025:12: error: 'mdp5_runtime_resume' defined but not used [-Werror=unused-function] static int mdp5_runtime_resume(struct device *dev) ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c:1015:12: error: 'mdp5_runtime_suspend' defined but not used [-Werror=unused-function] static int mdp5_runtime_suspend(struct device *dev) ^~~~~~~~~~~~~~~~~~~~
This marks both functions as __maybe_unused so the compiler can drop them silently.
Thanks for the fix. Since the commit is still in Rob's -next branch, I'll post a new version which fixes this.
Archit
Fixes: d68fe15b1878 ("drm/msm/mdp5: Use runtime PM get/put API instead of toggling clocks") Signed-off-by: Arnd Bergmann arnd@arndb.de
drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c index 9f9d95f7c80f..f7c0698fec40 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c @@ -1012,7 +1012,7 @@ static int mdp5_dev_remove(struct platform_device *pdev) return 0; }
-static int mdp5_runtime_suspend(struct device *dev) +static __maybe_unused int mdp5_runtime_suspend(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct mdp5_kms *mdp5_kms = platform_get_drvdata(pdev); @@ -1022,7 +1022,7 @@ static int mdp5_runtime_suspend(struct device *dev) return mdp5_disable(mdp5_kms); }
-static int mdp5_runtime_resume(struct device *dev) +static __maybe_unused int mdp5_runtime_resume(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct mdp5_kms *mdp5_kms = platform_get_drvdata(pdev);