[PATCH] ARM: zynq: wfi exit on same cpu is valid
From: Daniel Lezcano <hidden>
Date: 2013-06-03 08:14:24
On 05/31/2013 12:44 PM, Sanjay Singh Rawat wrote:
The current code considers every wakeup as spurious, which is not correct. Handle the same way as other arm platforms are doing. Signed-off-by: Sanjay Singh Rawat <redacted>
Reviewed-by: Daniel Lezcano <redacted>
quoted hunk ↗ jump to hunk
--- arch/arm/mach-zynq/hotplug.c | 7 +++++++ 1 file changed, 7 insertions(+)diff --git a/arch/arm/mach-zynq/hotplug.c b/arch/arm/mach-zynq/hotplug.c index c89672b..a1ab22c 100644 --- a/arch/arm/mach-zynq/hotplug.c +++ b/arch/arm/mach-zynq/hotplug.c@@ -67,6 +67,13 @@ static inline void zynq_platform_do_lowpower(unsigned int cpu, int *spurious) dsb(); wfi(); + if (pen_release == cpu_logical_map(cpu)) { + /* + * OK, proper wakeup, we're done + */ + break; + } + /* * Getting here, means that we have come out of WFI without * having been woken up - this shouldn't happen
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