diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-12-07 07:49:48 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-12-07 07:49:51 +0100 |
| commit | 10a18d7dc0d9f12483c95ffc234118e9b80edfeb (patch) | |
| tree | 0f43620107d5231cab669bca4b3c923b721330c7 /arch/arm/mach-omap2/pm24xx.c | |
| parent | f984ba4eb575e4a27ed28a76d4126d2aa9233c32 (diff) | |
| parent | cf7d7e5a1980d1116ee152d25dac382b112b9c17 (diff) | |
Merge commit 'v2.6.37-rc5' into perf/core
Merge reason: Pick up the latest -rc.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-omap2/pm24xx.c')
| -rw-r--r-- | arch/arm/mach-omap2/pm24xx.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c index a40457d8192..c85923e56b8 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; |