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drm/sun4i: mark PM functions as __maybe_unused

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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: 133add5b5a ("drm/sun4i: Add Allwinner A31 MIPI-DSI controller support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180525155030.3667352-1-arnd@arndb.de
This commit is contained in:
Arnd Bergmann 2018-05-25 17:50:08 +02:00 committed by Maxime Ripard
parent 952a08a21a
commit 6b1c5eaf5c
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
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@ -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);