tg3: Fix 5717 serdes powerdown problem
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>
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@ -2779,7 +2779,9 @@ static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power)
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if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
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GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
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(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 &&
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(tp->phy_flags & TG3_PHYFLG_MII_SERDES)))
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(tp->phy_flags & TG3_PHYFLG_MII_SERDES)) ||
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(GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5717 &&
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!tp->pci_fn))
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return;
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if (GET_CHIP_REV(tp->pci_chip_rev_id) == CHIPREV_5784_AX ||
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