From mboxrd@z Thu Jan 1 00:00:00 1970 From: sanjay.rawat@linaro.org (Sanjay Singh Rawat) Date: Mon, 27 May 2013 20:02:43 +0530 Subject: [PATCH 6/8] ARM: ux500: use generic cpu idle function for wfi In-Reply-To: <1369665166-13049-1-git-send-email-sanjay.rawat@linaro.org> References: <1369665166-13049-1-git-send-email-sanjay.rawat@linaro.org> Message-ID: <1369665166-13049-7-git-send-email-sanjay.rawat@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org use cpu_do_idle for entering the wfi mode. Signed-off-by: Sanjay Singh Rawat --- arch/arm/mach-ux500/hotplug.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-ux500/hotplug.c b/arch/arm/mach-ux500/hotplug.c index 2bc00b0..f4ded92 100644 --- a/arch/arm/mach-ux500/hotplug.c +++ b/arch/arm/mach-ux500/hotplug.c @@ -25,8 +25,9 @@ void __ref ux500_cpu_die(unsigned int cpu) { /* directly enter low power state, skipping secure registers */ for (;;) { - __asm__ __volatile__("dsb\n\t" "wfi\n\t" - : : : "memory"); + /* enter WFI mode */ + cpu_do_idle(); + if (pen_release == cpu_logical_map(cpu)) { /* * OK, proper wakeup, we're done -- 1.7.9.5