Blackfin: SMP: fix scheduling deadlock

Make sure our smp_send_reschedule() implementation matches the
scheduler_ipi() callback so that it can kick the idle cpu.

Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index 107622aacf6b..0784a52389c8 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -295,10 +295,15 @@ EXPORT_SYMBOL_GPL(smp_call_function_single);
 
 void smp_send_reschedule(int cpu)
 {
+        cpumask_t callmap;
         /* simply trigger an ipi */
         if (cpu_is_offline(cpu))
                 return;
-        platform_send_ipi_cpu(cpu, IRQ_SUPPLE_0);
+
+        cpumask_clear(&callmap);
+        cpumask_set_cpu(cpu, &callmap);
+
+        smp_send_message(callmap, BFIN_IPI_RESCHEDULE, NULL, NULL, 0);
 
         return;
 }