summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/net/bnx2.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 00918602ba8..854d80c330e 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -3934,6 +3934,10 @@ bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
/* Chip reset. */
REG_WR(bp, BNX2_PCICFG_MISC_CONFIG, val);
+ /* Reading back any register after chip reset will hang the
+ * bus on 5706 A0 and A1. The msleep below provides plenty
+ * of margin for write posting.
+ */
if ((CHIP_ID(bp) == CHIP_ID_5706_A0) ||
(CHIP_ID(bp) == CHIP_ID_5706_A1))
msleep(20);