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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>
This commit is contained in:
Steven Miao 2013-07-16 13:25:21 +08:00 committed by Linus Torvalds
parent f2ec26a3d4
commit 16fc5bc4c7
1 changed files with 3 additions and 3 deletions
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6
arch/blackfin/mach-common/smp.c
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@ -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);
}
}