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b43: Rename the DMA ring pointers

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Rename the DMA ring pointers to have more descriptive and standard
names. Also remove the 6th unused TX ring. We can add it back later,
if we need it. The unused TX-status rx-ring is also removed, as that's
only used by legacy devices not supported by this driver anyway.

This is no functional change, except less memory allocation for
the removed rings.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Michael Buesch
2008-03-06 16:32:46 +01:00
committed by John W. Linville
parent e6f5b934fb
commit b27faf8ebf
3 changed files with 81 additions and 162 deletions
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5
drivers/net/wireless/b43/main.c
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@@ -1594,11 +1594,10 @@ static void b43_interrupt_tasklet(struct b43_wldev *dev)
/* Check the DMA reason registers for received data. */
if (dma_reason[0] & B43_DMAIRQ_RX_DONE)
b43_dma_rx(dev->dma.rx_ring0);
if (dma_reason[3] & B43_DMAIRQ_RX_DONE)
b43_dma_rx(dev->dma.rx_ring3);
b43_dma_rx(dev->dma.rx_ring);
B43_WARN_ON(dma_reason[1] & B43_DMAIRQ_RX_DONE);
B43_WARN_ON(dma_reason[2] & B43_DMAIRQ_RX_DONE);
B43_WARN_ON(dma_reason[3] & B43_DMAIRQ_RX_DONE);
B43_WARN_ON(dma_reason[4] & B43_DMAIRQ_RX_DONE);
B43_WARN_ON(dma_reason[5] & B43_DMAIRQ_RX_DONE);