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- When the Ethernet controller is powered down and someone wants to
- access the mdio bus like the witch driver (b53) the system crashed if
- PCI_D3hot was set before. This patch deactivates this power sawing mode
- when a switch driver is in use.
- --- a/drivers/net/ethernet/broadcom/tg3.c
- +++ b/drivers/net/ethernet/broadcom/tg3.c
- @@ -4263,7 +4263,8 @@ static int tg3_power_down_prepare(struct
- static void tg3_power_down(struct tg3 *tp)
- {
- pci_wake_from_d3(tp->pdev, tg3_flag(tp, WOL_ENABLE));
- - pci_set_power_state(tp->pdev, PCI_D3hot);
- + if (!tg3_flag(tp, ROBOSWITCH))
- + pci_set_power_state(tp->pdev, PCI_D3hot);
- }
-
- static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex)
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