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Subject[PATCH] drm/hisilicon/hibmc: mark PM functions __maybe_unused
Date
When CONFIG_PM_SLEEP is disabled, we get a harmless warning

drm/hisilicon/hibmc/hibmc_drm_drv.c:115:12: error: ‘hibmc_pm_resume’ defined but not used [-Werror=unused-function]
drm/hisilicon/hibmc/hibmc_drm_drv.c:97:12: error: ‘hibmc_pm_suspend’ defined but not used [-Werror=unused-function]

Marking the functions as __maybe_unused avoids the warning without
having to add an #ifdef.

Fixes: 5e0df3a08f3d ("drm/hisilicon/hibmc: Add hisilicon hibmc drm master driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index 73ba8b05f1da..fd949df46717 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -94,7 +94,7 @@ static struct drm_driver hibmc_driver = {
.irq_handler = hibmc_drm_interrupt,
};

-static int hibmc_pm_suspend(struct device *dev)
+static int __maybe_unused hibmc_pm_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
@@ -112,7 +112,7 @@ static int hibmc_pm_suspend(struct device *dev)
return 0;
}

-static int hibmc_pm_resume(struct device *dev)
+static int __maybe_unused hibmc_pm_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
--
2.9.0
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