From: Mark Brown <broonie@sirena.org.uk>
Date: Wed, 9 Apr 2008 10:32:21 +0000 (+0100)
Subject: [ARM] 4946/1: pxa3xx: Print an error if we refuse to suspend
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b86a5da8f7f57b9b0fe468d83d3f2af297fa1e14;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

[ARM] 4946/1: pxa3xx: Print an error if we refuse to suspend

The PXA3xx will not suspend if there are no wakeup sources configured.
Print a diagnostic message to make it easier for the user to see what's
happening.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: eric miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index dc8d5ee9f286..604b68adc4ba 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -354,8 +354,10 @@ static void pxa3xx_cpu_pm_enter(suspend_state_t state)
 	/*
 	 * Don't sleep if no wakeup sources are defined
 	 */
-	if (wakeup_src == 0)
+	if (wakeup_src == 0) {
+		printk(KERN_ERR "Not suspending: no wakeup sources\n");
 		return;
+	}
 
 	switch (state) {
 	case PM_SUSPEND_STANDBY: