Commit 594a9dfa authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

[BNX2]: Add write posting comment.

Add comment to explain why we cannot read back after chip reset
before delaying.
Signed-off-by: default avatarMichael Chan <>
Signed-off-by: default avatarDavid S. Miller <>
parent 8e545881
......@@ -3934,6 +3934,10 @@ bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
/* Chip reset. */
/* 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))
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