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bnxt_en: Ignore 0 value in autoneg supported speed from firmware.

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In some situations, the firmware will return 0 for autoneg supported
speed.  This may happen if the firmware detects no SFP module, for
example.  The driver should ignore this so that we don't end up with
an invalid autoneg setting with nothing advertised.  When SFP module
is inserted, we'll get the updated settings from firmware at that time.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2017-03-08 18:44:35 -05:00 committed by David S. Miller
parent bc39f885a9
commit 520ad89a54
1 changed files with 3 additions and 2 deletions
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5
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@ -5511,8 +5511,9 @@ static int bnxt_hwrm_phy_qcaps(struct bnxt *bp)
bp->lpi_tmr_hi = le32_to_cpu(resp->valid_tx_lpi_timer_high) &
PORT_PHY_QCAPS_RESP_TX_LPI_TIMER_HIGH_MASK;
}
link_info->support_auto_speeds =
le16_to_cpu(resp->supported_speeds_auto_mode);
if (resp->supported_speeds_auto_mode)
link_info->support_auto_speeds =
le16_to_cpu(resp->supported_speeds_auto_mode);
hwrm_phy_qcaps_exit:
mutex_unlock(&bp->hwrm_cmd_lock);