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d369d92fc7
Ethernet, switch, LEDs, buttons, USB, sysupgrade & LuCI were
successfully tested on BCM4706.
WARNING: Hack for BCM4710 adding BCM4710_PROTECTED_FILL_TLB() to the
local_r4k_flush_cache_sigtramp() could not be ported. That function has
been dropped in:
commit adcc81f148d7 ("MIPS: math-emu: Write-protect delay slot emulation pages")
commit 3315b6b336c8 ("MIPS: Delete unused flush_cache_sigtramp()")
it's unsure if that chipset will still work reliably.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
18 lines
712 B
Diff
18 lines
712 B
Diff
When the Ethernet controller is powered down and someone wants to
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access the mdio bus like the witch driver (b53) the system crashed if
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PCI_D3hot was set before. This patch deactivates this power sawing mode
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when a switch driver is in use.
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--- a/drivers/net/ethernet/broadcom/tg3.c
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+++ b/drivers/net/ethernet/broadcom/tg3.c
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@@ -4279,7 +4279,8 @@ static int tg3_power_down_prepare(struct
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static void tg3_power_down(struct tg3 *tp)
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{
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pci_wake_from_d3(tp->pdev, tg3_flag(tp, WOL_ENABLE));
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- pci_set_power_state(tp->pdev, PCI_D3hot);
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+ if (!tg3_flag(tp, ROBOSWITCH))
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+ pci_set_power_state(tp->pdev, PCI_D3hot);
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}
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static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u32 *speed, u8 *duplex)
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