b43legacy: Remove unnecessary MMIO in interrupt hotpath

This removes unnecessary MMIO accesses in the interrupt hotpath. The
patch by Michael Buesch for b43 has been ported to b43legacy.

Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/wireless/b43legacy/pio.c b/drivers/net/wireless/b43legacy/pio.c
index 746d5361bba0..51866c9a2769 100644
--- a/drivers/net/wireless/b43legacy/pio.c
+++ b/drivers/net/wireless/b43legacy/pio.c
@@ -443,7 +443,7 @@ int b43legacy_pio_init(struct b43legacy_wldev *dev)
         pio->queue3 = queue;
 
         if (dev->dev->id.revision < 3)
-                dev->irq_savedstate |= B43legacy_IRQ_PIO_WORKAROUND;
+                dev->irq_mask |= B43legacy_IRQ_PIO_WORKAROUND;
 
         b43legacydbg(dev->wl, "PIO initialized\n");
         err = 0;