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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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4
drivers/net/wireless/b43legacy/b43legacy.h
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@@ -694,8 +694,8 @@ struct b43legacy_wldev {
/* Reason code of the last interrupt. */
u32 irq_reason;
u32 dma_reason[6];
/* saved irq enable/disable state bitfield. */
u32 irq_savedstate;
/* The currently active generic-interrupt mask. */
u32 irq_mask;
/* Link Quality calculation context. */
struct b43legacy_noise_calculation noisecalc;
/* if > 0 MAC is suspended. if == 0 MAC is enabled. */