commit: 8553cb67d2318db327071018fc81084cbabccc46 explains that
-sanjay On Friday 07 June 2013 08:41 PM, Pawel Moll wrote:
On Mon, 2013-05-27 at 15:32 +0100, Sanjay Singh Rawat wrote:use cpu_do_idle for entering the wfi mode. Signed-off-by: Sanjay Singh Rawat <sanjay.ra...@linaro.org> --- arch/arm/mach-vexpress/hotplug.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-vexpress/hotplug.c b/arch/arm/mach-vexpress/hotplug.c index f0ce6b8..b3dffc2 100644 --- a/arch/arm/mach-vexpress/hotplug.c +++ b/arch/arm/mach-vexpress/hotplug.c @@ -60,7 +60,8 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious) * code will have already disabled interrupts */ for (;;) { - wfi(); + /* enter WFI mode */ + cpu_do_idle(); if (pen_release == cpu_logical_map(cpu)) { /*I probably don't get the whole picture, but may I ask what is the rationale behind this change? As in: why cpu_do_idle() is better? Paweł
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