[PATCH v4 03/11] macintosh/via-pmu: Don't clear shift register interrupt flag twice

[Finn Thain]

The shift register interrupt flag gets cleared in via_pmu_interrupt()
and once again in pmu_sr_intr(). Fix this theoretical race condition.

Tested-by: Stan Johnson <user...@yahoo.com>
Signed-off-by: Finn Thain <fth...@telegraphics.com.au>
Reviewed-by: Geert Uytterhoeven <ge...@linux-m68k.org>
---
 drivers/macintosh/via-pmu.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index ba41220f618e..c313ddfdb17a 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -1421,7 +1421,6 @@ pmu_sr_intr(void)
 
        if (in_8(&via[B]) & TREQ) {
                printk(KERN_ERR "PMU: spurious SR intr (%x)\n", in_8(&via[B]));
-               out_8(&via[IFR], SR_INT);
                return NULL;
        }
        /* The ack may not yet be low when we get the interrupt */
-- 
2.16.4