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| author | Rafał Miłecki <zajec5@gmail.com> | 2015-04-23 11:31:54 +0000 |
|---|---|---|
| committer | Rafał Miłecki <zajec5@gmail.com> | 2015-04-23 11:31:54 +0000 |
| commit | 8d1580c4bb85723fa4bb2a22f7628a192a1a06f0 (patch) | |
| tree | 231adfee524a144fd22d6615570127e09cdbbd99 /target/linux/brcm47xx/patches-4.0/791-tg3-no-pci-sleep.patch | |
| parent | 4d58f0f4d95c1c4c79cc256ed71c08f3105defb5 (diff) | |
| download | upstream-8d1580c4bb85723fa4bb2a22f7628a192a1a06f0.tar.gz upstream-8d1580c4bb85723fa4bb2a22f7628a192a1a06f0.tar.bz2 upstream-8d1580c4bb85723fa4bb2a22f7628a192a1a06f0.zip | |
brcm47xx: add patches for kernel 4.0
SVN-Revision: 45570
Diffstat (limited to 'target/linux/brcm47xx/patches-4.0/791-tg3-no-pci-sleep.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-4.0/791-tg3-no-pci-sleep.patch | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-4.0/791-tg3-no-pci-sleep.patch b/target/linux/brcm47xx/patches-4.0/791-tg3-no-pci-sleep.patch new file mode 100644 index 0000000000..35a816d8c2 --- /dev/null +++ b/target/linux/brcm47xx/patches-4.0/791-tg3-no-pci-sleep.patch @@ -0,0 +1,17 @@ +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) |