mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-11 11:09:13 +00:00
Code Issues Releases Wiki Activity

bnxt_en: Wait longer for the firmware message response to complete.

Browse source 
[ Upstream commit 0000b81a06 ]

The code waits up to 20 usec for the firmware response to complete
once we've seen the valid response header in the buffer.  It turns
out that in some scenarios, this wait time is not long enough.
Extend it to 150 usec and use usleep_range() instead of udelay().

Fixes: 9751e8e714 ("bnxt_en: reduce timeout on initial HWRM calls")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Michael Chan 2019-02-20 19:07:32 -05:00 committed by Greg Kroah-Hartman
parent b4baeab7e0
commit 29e4bfbc79
2 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View file

@ -3565,7 +3565,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
dma_rmb();
if (*valid)
break;
udelay(1);
usleep_range(1, 5);
}
if (j >= HWRM_VALID_BIT_DELAY_USEC) {

2
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View file

@ -548,7 +548,7 @@ struct rx_tpa_end_cmp_ext {
(HWRM_SHORT_TIMEOUT_COUNTER * HWRM_SHORT_MIN_TIMEOUT + \
((n) - HWRM_SHORT_TIMEOUT_COUNTER) * HWRM_MIN_TIMEOUT))
#define HWRM_VALID_BIT_DELAY_USEC 20
#define HWRM_VALID_BIT_DELAY_USEC 150
#define BNXT_RX_EVENT 1
#define BNXT_AGG_EVENT 2