Messages in this thread Patch in this message | | | Date | Wed, 11 Apr 2012 16:10:21 -0700 | From | Greg KH <> | Subject | [ 03/78] tg3: Fix 5717 serdes powerdown problem |
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3.3-stable review patch. If anyone has any objections, please let me know.
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From: Matt Carlson <mcarlson@broadcom.com>
[ 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> --- drivers/net/ethernet/broadcom/tg3.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -2771,7 +2771,9 @@ static void tg3_power_down_phy(struct tg 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 ||
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