[PATCH 35/36] drm/omap: add hibernation callbacks

[Tomi Valkeinen <tomi.valkeinen@ti.com>]

From: Grygorii Strashko <Grygorii.Strashko@linaro.org>

Setting a dev_pm_ops suspend/resume pair but not a set of hibernation
functions means those pm functions will not be called upon hibernation.

Fix this by using SIMPLE_DEV_PM_OPS, which appropriately assigns the
suspend and hibernation handlers and move
omap_drm_suspend/omap_drm_resume under CONFIG_PM_SLEEP to avoid build
warnings.

Signed-off-by: Grygorii Strashko <Grygorii.Strashko@linaro.org>
[tomi.valkeinen@ti.com: fix conflict, clean up description]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---
 drivers/gpu/drm/omapdrm/omap_drv.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
index c6980985884b..94920d47e3b6 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -707,6 +707,7 @@ static int pdev_remove(struct platform_device *device)
 	return 0;
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int omap_drm_suspend(struct device *dev)
 {
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
@@ -724,20 +725,14 @@ static int omap_drm_resume(struct device *dev)
 
 	return omap_gem_resume(dev);
 }
-
-#ifdef CONFIG_PM
-static const struct dev_pm_ops omapdrm_pm_ops = {
-	.suspend = omap_drm_suspend,
-	.resume = omap_drm_resume,
-};
 #endif
 
+static SIMPLE_DEV_PM_OPS(omapdrm_pm_ops, omap_drm_suspend, omap_drm_resume);
+
 static struct platform_driver pdev = {
 	.driver = {
 		.name = DRIVER_NAME,
-#ifdef CONFIG_PM
 		.pm = &omapdrm_pm_ops,
-#endif
 	},
 	.probe = pdev_probe,
 	.remove = pdev_remove,
-- 
2.3.3

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