[PATCH 2/9] ARM: mach-ux500: use SGI0 to wake up the other core
Rob Herring
robherring2 at gmail.com
Tue Nov 20 21:58:26 EST 2012
From: Srinidhi Kasagar <srinidhi.kasagar at stericsson.com>
The commit 7d28e3eaa1a8e951251b942e7220f97114bd73b9
("ARM: ux500: wake secondary cpu via resched") makes use
of schedule IPI to wake up the secondary core which seems
incorrect. Rather use SGI0.
Signed-off-by: srinidhi kasagar <srinidhi.kasagar at stericsson.com>
---
arch/arm/mach-ux500/platsmp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c
index 3db7782..79531f1 100644
--- a/arch/arm/mach-ux500/platsmp.c
+++ b/arch/arm/mach-ux500/platsmp.c
@@ -91,7 +91,7 @@ static int __cpuinit ux500_boot_secondary(unsigned int cpu, struct task_struct *
*/
write_pen_release(cpu_logical_map(cpu));
- smp_send_reschedule(cpu);
+ gic_raise_softirq(cpumask_of(cpu), 0);
timeout = jiffies + (1 * HZ);
while (time_before(jiffies, timeout)) {
--
1.7.10.4
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