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b43legacy: Remove unnecessary MMIO in interrupt hotpath

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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>
This commit is contained in:
Stefano Brivio
2009-05-15 15:39:20 -05:00
committed by John W. Linville
parent 6b96f93e96
commit 44710bbc07
3 changed files with 25 additions and 59 deletions
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2
drivers/net/wireless/b43legacy/pio.c
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@@ -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;