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amd-xgbe: Update how to determine DMA channel status

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Tx and Rx DMA channel status determiniation is different depending on the
version of the hardware. Update the channel status processing code to
account for the change.  Also, reduce the timeout value used when stopping
the channels.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lendacky, Thomas
2016-11-03 13:19:17 -05:00
committed by David S. Miller
parent e5a20b9072
commit 4b8acdf5fe
3 changed files with 43 additions and 21 deletions
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2
drivers/net/ethernet/amd/xgbe/xgbe.h
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@@ -159,7 +159,7 @@
#define XGBE_MAX_DMA_CHANNELS 16
#define XGBE_MAX_QUEUES 16
#define XGBE_PRIORITY_QUEUES 8
#define XGBE_DMA_STOP_TIMEOUT 5
#define XGBE_DMA_STOP_TIMEOUT 1
/* DMA cache settings - Outer sharable, write-back, write-allocate */
#define XGBE_DMA_OS_AXDOMAIN 0x2