From 16fc5bc4c76b9ac335c2b39943f29c5d047a822d Mon Sep 17 00:00:00 2001
From: Steven Miao <realmz6@gmail.com>
Date: Tue, 16 Jul 2013 13:25:21 +0800
Subject: [PATCH] smp: blackfin: fix check error, using atomic_ops to handle
atomic_t type
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Steven Miao <realmz6@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
arch/blackfin/mach-common/smp.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index 961d8392e5e3..b5f9ed7d4856 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -147,7 +147,7 @@ static irqreturn_t ipi_handler_int1(int irq, void *dev_instance)
platform_clear_ipi(cpu, IRQ_SUPPLE_1);
bfin_ipi_data = &__get_cpu_var(bfin_ipi);
- while ((pending = xchg(&bfin_ipi_data->bits, 0)) != 0) {
+ while ((pending = atomic_xchg(&bfin_ipi_data->bits, 0)) != 0) {
msg = 0;
do {
msg = find_next_bit(&pending, BITS_PER_LONG, msg + 1);
@@ -182,8 +182,8 @@ static void bfin_ipi_init(void)
struct ipi_data *bfin_ipi_data;
for_each_possible_cpu(cpu) {
bfin_ipi_data = &per_cpu(bfin_ipi, cpu);
- bfin_ipi_data->bits = 0;
- bfin_ipi_data->count = 0;
+ atomic_set(&bfin_ipi_data->bits, 0);
+ atomic_set(&bfin_ipi_data->count, 0);
}
}
--
2.34.1