Disabling CONFIG_PM produces a compile time warning when these functions are not referenced:
drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c:1072:12: error: 'sun6i_dsi_runtime_suspend' defined but not used [-Werror=unused-function] static int sun6i_dsi_runtime_suspend(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c:1043:12: error: 'sun6i_dsi_runtime_resume' defined but not used [-Werror=unused-function] static int sun6i_dsi_runtime_resume(struct device *dev) ^~~~~~~~~~~~~~~~~~~~~~~~
Fixes: 133add5b5ad4 ("drm/sun4i: Add Allwinner A31 MIPI-DSI controller support") Signed-off-by: Arnd Bergmann arnd@arndb.de --- drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c index bfbf761f0c1d..d4e7d16a2514 100644 --- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c +++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c @@ -1040,7 +1040,7 @@ static int sun6i_dsi_remove(struct platform_device *pdev) return 0; }
-static int sun6i_dsi_runtime_resume(struct device *dev) +static int __maybe_unused sun6i_dsi_runtime_resume(struct device *dev) { struct sun6i_dsi *dsi = dev_get_drvdata(dev);
@@ -1069,7 +1069,7 @@ static int sun6i_dsi_runtime_resume(struct device *dev) return 0; }
-static int sun6i_dsi_runtime_suspend(struct device *dev) +static int __maybe_unused sun6i_dsi_runtime_suspend(struct device *dev) { struct sun6i_dsi *dsi = dev_get_drvdata(dev);