[PATCH 07/47] gma500: make init_pm callback in struct psb_op optional

[Alan Cox]

From: Kirill A. Shutemov <kirill.shutemov at linux.intel.com>

Signed-off-by: Kirill A. Shutemov <kirill.shutemov at linux.intel.com>
Signed-off-by: Alan Cox <alan at linux.intel.com>
---

 drivers/gpu/drm/gma500/oaktrail_device.c |    5 -----
 drivers/gpu/drm/gma500/power.c           |    3 ++-
 2 files changed, 2 insertions(+), 6 deletions(-)


diff --git a/drivers/gpu/drm/gma500/oaktrail_device.c b/drivers/gpu/drm/gma500/oaktrail_device.c
index 08dcdc2..22def10 100644
--- a/drivers/gpu/drm/gma500/oaktrail_device.c
+++ b/drivers/gpu/drm/gma500/oaktrail_device.c
@@ -176,10 +176,6 @@ int oaktrail_backlight_init(struct drm_device *dev)
  *	for power management
  */
 
-static void oaktrail_init_pm(struct drm_device *dev)
-{
-}
-
 /**
  *	oaktrail_save_display_registers	-	save registers lost on suspend
  *	@dev: our DRM device
@@ -504,7 +500,6 @@ const struct psb_ops oaktrail_chip_ops = {
 	.backlight_init = oaktrail_backlight_init,
 #endif
 
-	.init_pm = oaktrail_init_pm,
 	.save_regs = oaktrail_save_display_registers,
 	.restore_regs = oaktrail_restore_display_registers,
 	.power_down = oaktrail_power_down,
diff --git a/drivers/gpu/drm/gma500/power.c b/drivers/gpu/drm/gma500/power.c
index bbf635c..994f669 100644
--- a/drivers/gpu/drm/gma500/power.c
+++ b/drivers/gpu/drm/gma500/power.c
@@ -58,7 +58,8 @@ void gma_power_init(struct drm_device *dev)
 	spin_lock_init(&power_ctrl_lock);
 	mutex_init(&power_mutex);
 
-	dev_priv->ops->init_pm(dev);
+	if (dev_priv->ops->init_pm)
+		dev_priv->ops->init_pm(dev);
 }
 
 /**