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bnx2: Zero out context memory for 5709. 

We should zero out the context memory for 5709 before each reset.  When
we resume after suspend for example, the memory may not be zero and the
chip may not function correctly.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2008-05-02 16:57:26 -07:00 committed by David S. Miller
parent 15b169cccf
commit 352f76879e
1 changed files with 5 additions and 0 deletions
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5
drivers/net/bnx2.c
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@ -2222,6 +2222,11 @@ bnx2_init_5709_context(struct bnx2 *bp)
for (i = 0; i < bp->ctx_pages; i++) {
int j;
if (bp->ctx_blk[i])
memset(bp->ctx_blk[i], 0, BCM_PAGE_SIZE);
else
return -ENOMEM;
REG_WR(bp, BNX2_CTX_HOST_PAGE_TBL_DATA0,
(bp->ctx_blk_mapping[i] & 0xffffffff) |
BNX2_CTX_HOST_PAGE_TBL_DATA0_VALID);