From: shawn.guo@linaro.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 09/10] ARM: SMP: add function arch_send_wakeup_ipi_mask()
Date: Tue, 23 Oct 2012 23:22:58 +0800 [thread overview]
Message-ID: <1351005779-30347-10-git-send-email-shawn.guo@linaro.org> (raw)
In-Reply-To: <1351005779-30347-1-git-send-email-shawn.guo@linaro.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 <shawn.guo@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
---
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
next prev parent reply other threads:[~2012-10-23 15:22 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-23 15:22 [PATCH 00/10] Support imx6q WAIT mode with coupled cpuidle Shawn Guo
2012-10-23 15:22 ` [PATCH 01/10] ARM: imx6q: print silicon version on boot Shawn Guo
2012-11-15 18:09 ` Moseley, Drew
2012-11-16 2:23 ` Shawn Guo
2012-11-16 6:25 ` Dirk Behme
2012-11-16 6:54 ` Shawn Guo
2012-11-16 6:39 ` Shawn Guo
2012-10-23 15:22 ` [PATCH 02/10] ARM: imx: allow timer counter to roll over Shawn Guo
2012-10-23 15:22 ` [PATCH 03/10] ARM: imx6q: select ARM and PL310 errata Shawn Guo
2013-11-28 12:44 ` Dirk Behme
2013-11-29 2:10 ` Shawn Guo
2012-10-23 15:22 ` [PATCH 04/10] ARM: imx: initialize cpu power up counters Shawn Guo
2012-10-23 15:22 ` [PATCH 05/10] ARM: imx: mask gpc interrupts initially Shawn Guo
2012-10-23 15:22 ` [PATCH 06/10] ARM: imx6q: prepare imx6q_set_lpm for cpudile support Shawn Guo
2012-10-23 15:22 ` [PATCH 07/10] ARM: imx6q: get v7_cpu_resume ready for cpuidle Shawn Guo
2012-10-23 15:22 ` [PATCH 08/10] ARM: imx: move imx6q_cpuidle_driver into a separate file Shawn Guo
2012-10-23 15:22 ` Shawn Guo [this message]
2012-10-31 3:43 ` [PATCH 09/10] ARM: SMP: add function arch_send_wakeup_ipi_mask() Shawn Guo
2012-11-02 13:42 ` Shawn Guo
2012-11-06 3:18 ` Shawn Guo
2012-10-23 15:22 ` [PATCH 10/10] ARM: imx6q: implement WAIT mode with coupled cpuidle Shawn Guo
2012-10-23 16:09 ` Lee Robert-B18647
2012-10-24 14:04 ` Shawn Guo
2012-10-23 17:35 ` Lorenzo Pieralisi
2012-10-24 13:57 ` Shawn Guo
2012-10-24 15:29 ` Lorenzo Pieralisi
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