diff options
| author | Matt Carlson <mcarlson@broadcom.com> | 2012-04-02 09:01:40 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-13 08:33:45 -0700 |
| commit | 2cdc02f59b9f7b14b72e8f12055f8d26b72dd948 (patch) | |
| tree | 9b54e4ef94da31f15430dbcc76faa74a0fde03a9 /drivers | |
| parent | a85323409e6aba510bee3873ca1f858b700bb8b0 (diff) | |
tg3: Fix 5717 serdes powerdown problem
[ Upstream commit 085f1afc56619bda424941412fdeaff1e32c21dc ]
If port 0 of a 5717 serdes device powers down, it hides the phy from
port 1. This patch works around the problem by keeping port 0's phy
powered up.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/broadcom/tg3.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index bf4074167d6a..3d55883d6f87 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -2794,7 +2794,9 @@ static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power) if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 || (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 && - (tp->phy_flags & TG3_PHYFLG_MII_SERDES))) + (tp->phy_flags & TG3_PHYFLG_MII_SERDES)) || + (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 && + !tp->pci_fn)) return; if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX || |