From 352f76879ebde543817360ce9c18c973d4300f4f Mon Sep 17 00:00:00 2001
From: Michael Chan <mchan@broadcom.com>
Date: Fri, 2 May 2008 16:57:26 -0700
Subject: [PATCH] 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>
---
drivers/net/bnx2.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 0fcea85907779..942ae06843ba4 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -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);
--
2.30.2