[PATCH] ARM: highbank: retry wfi on reset request
From: Rob Herring <hidden>
Date: 2012-10-29 17:22:56
On 10/25/2012 10:20 PM, Rob Herring wrote:
From: Rob Herring <redacted> In some cases, an interrupt can occur and prevent cause failure to enter wfi. This causes reset to hang. Retrying the wfi should be enough to prevent reset from hanging. Signed-off-by: Rob Herring <redacted> ---
Arnd, Olof, Can you please apply this for 3.7? Rob
quoted hunk ↗ jump to hunk
arch/arm/mach-highbank/system.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)diff --git a/arch/arm/mach-highbank/system.c b/arch/arm/mach-highbank/system.c index 82c2723..86e37cd 100644 --- a/arch/arm/mach-highbank/system.c +++ b/arch/arm/mach-highbank/system.c@@ -28,6 +28,7 @@ void highbank_restart(char mode, const char *cmd) hignbank_set_pwr_soft_reset(); scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); - cpu_do_idle(); + while (1) + cpu_do_idle(); }