From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawn.guo@linaro.org (Shawn Guo) Date: Tue, 23 Oct 2012 23:22:58 +0800 Subject: [PATCH 09/10] ARM: SMP: add function arch_send_wakeup_ipi_mask() In-Reply-To: <1351005779-30347-1-git-send-email-shawn.guo@linaro.org> References: <1351005779-30347-1-git-send-email-shawn.guo@linaro.org> Message-ID: <1351005779-30347-10-git-send-email-shawn.guo@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add function arch_send_wakeup_ipi_mask(), so that platform code can use it as an easy way to wake up cores that are in WFI. Signed-off-by: Shawn Guo Cc: Russell King --- arch/arm/include/asm/smp.h | 1 + arch/arm/kernel/smp.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h index 2e3be16..d3a22be 100644 --- a/arch/arm/include/asm/smp.h +++ b/arch/arm/include/asm/smp.h @@ -79,6 +79,7 @@ extern void cpu_die(void); extern void arch_send_call_function_single_ipi(int cpu); extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); +extern void arch_send_wakeup_ipi_mask(const struct cpumask *mask); struct smp_operations { #ifdef CONFIG_SMP diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 8e20754d..dd5dd02 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -415,6 +415,11 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask) smp_cross_call(mask, IPI_CALL_FUNC); } +void arch_send_wakeup_ipi_mask(const struct cpumask *mask) +{ + smp_cross_call(mask, IPI_WAKEUP); +} + void arch_send_call_function_single_ipi(int cpu) { smp_cross_call(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE); -- 1.7.9.5