diff mbox series

[net-next,v2,07/15] bnxt_en: Disable workaround for lost interrupts on 575XX B0 and newer chips.

Message ID 1580118987-30052-8-git-send-email-michael.chan@broadcom.com
State Accepted
Delegated to: David Miller
Headers show
Series bnxt_en: Updates for net-next. | expand

Commit Message

Michael Chan Jan. 27, 2020, 9:56 a.m. UTC 
The hardware bug has been fixed on B0 and newer chips, so disable the
workaround on these chips.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 4 +++-
 drivers/net/ethernet/broadcom/bnxt/bnxt.h | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 7d53672..676f4da 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -7288,6 +7288,7 @@  static int bnxt_hwrm_ver_get(struct bnxt *bp)
 		bp->hwrm_max_ext_req_len = HWRM_MAX_REQ_LEN;
 
 	bp->chip_num = le16_to_cpu(resp->chip_num);
+	bp->chip_rev = resp->chip_rev;
 	if (bp->chip_num == CHIP_NUM_58700 && !resp->chip_rev &&
 	    !resp->chip_metal)
 		bp->flags |= BNXT_FLAG_CHIP_NITRO_A0;
@@ -10057,7 +10058,8 @@  static void bnxt_timer(struct timer_list *t)
 		}
 	}
 
-	if ((bp->flags & BNXT_FLAG_CHIP_P5) && netif_carrier_ok(dev)) {
+	if ((bp->flags & BNXT_FLAG_CHIP_P5) && !bp->chip_rev &&
+	    netif_carrier_ok(dev)) {
 		set_bit(BNXT_RING_COAL_NOW_SP_EVENT, &bp->sp_event);
 		bnxt_queue_sp_work(bp);
 	}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index f143354..cda434b 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1457,6 +1457,8 @@  struct bnxt {
 #define CHIP_NUM_58804		0xd804
 #define CHIP_NUM_58808		0xd808
 
+	u8			chip_rev;
+
 #define BNXT_CHIP_NUM_5730X(chip_num)		\
 	((chip_num) >= CHIP_NUM_57301 &&	\
 	 (chip_num) <= CHIP_NUM_57304)