OMAP3: PM: PRCM interrupt: Fix warning "MPU wakeup but no wakeup sources"

Commit Message

[e-mail] Nov. 19, 2010, 11:26 a.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 75c0cd1..d9a35d7 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -266,6 +266,7 @@  static irqreturn_t prcm_interrupt_handler (int irq, void *dev_id)
 {
 	u32 irqenable_mpu, irqstatus_mpu;
 	int c = 0;
+	int ct = 0;
 
 	irqenable_mpu = prm_read_mod_reg(OCP_MOD,
 					 OMAP3_PRM_IRQENABLE_MPU_OFFSET);
@@ -277,13 +278,16 @@  static irqreturn_t prcm_interrupt_handler (int irq, void *dev_id)
 		if (irqstatus_mpu & (OMAP3430_WKUP_ST_MASK |
 				     OMAP3430_IO_ST_MASK)) {
 			c = _prcm_int_handle_wakeup();
+			ct++;
 
 			/*
 			 * Is the MPU PRCM interrupt handler racing with the
 			 * IVA2 PRCM interrupt handler ?
 			 */
-			WARN(c == 0, "prcm: WARNING: PRCM indicated MPU wakeup "
-			     "but no wakeup sources are marked\n");
+			if (ct == 1)
+				WARN(c == 0, "prcm: WARNING: PRCM indicated "
+					"MPU wakeup but no wakeup sources "
+					"are marked\n");
 		} else {
 			/* XXX we need to expand our PRCM interrupt handler */
 			WARN(1, "prcm: WARNING: PRCM interrupt received, but "