b43: Remove unnecessary MMIO in interrupt hotpath
This removes unnecessary MMIO accesses in the interrupt hotpath.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index cc1db7e..4e8ad84 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -778,8 +778,8 @@
/* 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 b43_noise_calculation noisecalc;
/* if > 0 MAC is suspended. if == 0 MAC is enabled. */