[PATCH] power management: remove some useless code from arm platforms

[Johannes Berg <johannes@sipsolutions.net>]

This patch kills some useless code omap1/omap2.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>

---
 arch/arm/mach-omap1/pm.c |   36 ++++++------------------------------
 arch/arm/mach-omap2/pm.c |   38 ++++++--------------------------------
 2 files changed, 12 insertions(+), 62 deletions(-)

--- wireless-dev.orig/arch/arm/mach-omap1/pm.c	2007-04-26 17:23:20.263249310 +0200
+++ wireless-dev/arch/arm/mach-omap1/pm.c	2007-04-26 17:28:00.003249310 +0200
@@ -620,26 +620,11 @@ static void (*saved_idle)(void) = NULL;
  */
 static int omap_pm_prepare(suspend_state_t state)
 {
-	int error = 0;
-
 	/* We cannot sleep in idle until we have resumed */
 	saved_idle = pm_idle;
 	pm_idle = NULL;
 
-	switch (state)
-	{
-	case PM_SUSPEND_STANDBY:
-	case PM_SUSPEND_MEM:
-		break;
-
-	case PM_SUSPEND_DISK:
-		return -ENOTSUPP;
-
-	default:
-		return -EINVAL;
-	}
-
-	return error;
+	return 0;
 }
 
 
@@ -651,20 +636,11 @@ static int omap_pm_prepare(suspend_state
 
 static int omap_pm_enter(suspend_state_t state)
 {
-	switch (state)
-	{
-	case PM_SUSPEND_STANDBY:
-	case PM_SUSPEND_MEM:
-		omap_pm_suspend();
-		break;
-
-	case PM_SUSPEND_DISK:
-		return -ENOTSUPP;
-
-	default:
-		return -EINVAL;
-	}
-
+	/*
+	 * since we mark only "mem" as valid
+	 * there's no need to check "state" here
+	 */
+	omap_pm_suspend();
 	return 0;
 }
 
--- wireless-dev.orig/arch/arm/mach-omap2/pm.c	2007-04-26 17:23:20.403249310 +0200
+++ wireless-dev/arch/arm/mach-omap2/pm.c	2007-04-26 17:28:20.323249310 +0200
@@ -73,26 +73,11 @@ void omap2_pm_idle(void)
 
 static int omap2_pm_prepare(suspend_state_t state)
 {
-	int error = 0;
-
 	/* We cannot sleep in idle until we have resumed */
 	saved_idle = pm_idle;
 	pm_idle = NULL;
 
-	switch (state)
-	{
-	case PM_SUSPEND_STANDBY:
-	case PM_SUSPEND_MEM:
-		break;
-
-	case PM_SUSPEND_DISK:
-		return -ENOTSUPP;
-
-	default:
-		return -EINVAL;
-	}
-
-	return error;
+	return 0;
 }
 
 #define INT0_WAKE_MASK	(OMAP_IRQ_BIT(INT_24XX_GPIO_BANK1) |	\
@@ -345,22 +330,11 @@ static int omap2_pm_suspend(void)
 
 static int omap2_pm_enter(suspend_state_t state)
 {
-	int ret = 0;
-
-	switch (state)
-	{
-	case PM_SUSPEND_STANDBY:
-	case PM_SUSPEND_MEM:
-		ret = omap2_pm_suspend();
-		break;
-	case PM_SUSPEND_DISK:
-		ret = -ENOTSUPP;
-		break;
-	default:
-		ret = -EINVAL;
-	}
-
-	return ret;
+	/*
+	 * since we mark only 'mem' as valid, there's
+	 * no need to check 'state' here
+	 */
+	return omap2_pm_suspend();
 }
 
 static int omap2_pm_finish(suspend_state_t state)