[PATCH net-next 08/16] bnxt_en: Disable workaround for lost interrupts on 575XX B0 and newer chips.
flat view
STALE2447d
From: Michael Chan <michael.chan@broadcom.com>
Date: 2020-01-26 09:03:43
Subsystem:
broadcom bnxt_en 50 gigabit ethernet driver, networking drivers, the rest · Maintainers:
Michael Chan, Pavan Chebbi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v1 of 21 in this series.
Revisions (21)
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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 --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 534bc9e..cb2b833 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h@@ -1458,6 +1458,8 @@ 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)
--
2.5.1