| Message ID | 1351005779-30347-10-git-send-email-shawn.guo@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Oct 23, 2012 at 11:22:58PM +0800, Shawn Guo wrote: > 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> Hi Russell, Can I ask for your ack to have the patch go via arm-soc being part of the series? Shawn
On Wed, Oct 31, 2012 at 11:43:34AM +0800, Shawn Guo wrote: > On Tue, Oct 23, 2012 at 11:22:58PM +0800, Shawn Guo wrote: > > 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> > > Hi Russell, > > Can I ask for your ack to have the patch go via arm-soc being part > of the series? > Ping Shawn
On Fri, Nov 02, 2012 at 09:42:24PM +0800, Shawn Guo wrote: > On Wed, Oct 31, 2012 at 11:43:34AM +0800, Shawn Guo wrote: > > On Tue, Oct 23, 2012 at 11:22:58PM +0800, Shawn Guo wrote: > > > 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> > > > > Hi Russell, > > > > Can I ask for your ack to have the patch go via arm-soc being part > > of the series? > > > Ping > Okay, just tried another way around - put it into patch track system. Shawn
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);
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(+)