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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-01-07 01:31:35 +0300
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-01-07 01:32:03 +0300
commit4ec3eb13634529c0bc7466658d84d0bbe3244aea (patch)
treeb491daac2ccfc7b8ca88e171a43f66888463568a /arch/arm/mach-omap2/pm24xx.c
parent24056f525051a9e186af28904b396320e18bf9a0 (diff)
parent15095bb0fe779c0403091bda7adce5fb3bb9ca35 (diff)
downloadlinux-4ec3eb13634529c0bc7466658d84d0bbe3244aea.tar.xz
Merge branch 'smp' into misc
Conflicts: arch/arm/kernel/entry-armv.S arch/arm/mm/ioremap.c
Diffstat (limited to 'arch/arm/mach-omap2/pm24xx.c')
-rw-r--r--arch/arm/mach-omap2/pm24xx.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index a40457d81927..c85923e56b85 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -30,6 +30,7 @@
#include <linux/irq.h>
#include <linux/time.h>
#include <linux/gpio.h>
+#include <linux/console.h>
#include <asm/mach/time.h>
#include <asm/mach/irq.h>
@@ -118,6 +119,10 @@ static void omap2_enter_full_retention(void)
if (omap_irq_pending())
goto no_sleep;
+ /* Block console output in case it is on one of the OMAP UARTs */
+ if (try_acquire_console_sem())
+ goto no_sleep;
+
omap_uart_prepare_idle(0);
omap_uart_prepare_idle(1);
omap_uart_prepare_idle(2);
@@ -131,6 +136,8 @@ static void omap2_enter_full_retention(void)
omap_uart_resume_idle(1);
omap_uart_resume_idle(0);
+ release_console_sem();
+
no_sleep:
if (omap2_pm_debug) {
unsigned long long tmp;