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author | Rafał Miłecki <zajec5@gmail.com> | 2015-12-18 07:25:13 +0000 |
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committer | Rafał Miłecki <zajec5@gmail.com> | 2015-12-18 07:25:13 +0000 |
commit | 87582f26e64f2e82fe6512a58f7cc1191a946d63 (patch) | |
tree | 3d5dee3bc9a754e876dcebb719a39bccc38fb4c8 /target/linux/brcm47xx/patches-4.4/791-tg3-no-pci-sleep.patch | |
parent | 2ac80a466b2eb07029b6119bcebb0c8107e241c6 (diff) | |
download | master-187ad058-87582f26e64f2e82fe6512a58f7cc1191a946d63.tar.gz master-187ad058-87582f26e64f2e82fe6512a58f7cc1191a946d63.tar.bz2 master-187ad058-87582f26e64f2e82fe6512a58f7cc1191a946d63.zip |
brcm47xx: add kernel 4.4 support
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@47930 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx/patches-4.4/791-tg3-no-pci-sleep.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-4.4/791-tg3-no-pci-sleep.patch | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-4.4/791-tg3-no-pci-sleep.patch b/target/linux/brcm47xx/patches-4.4/791-tg3-no-pci-sleep.patch new file mode 100644 index 0000000000..35a816d8c2 --- /dev/null +++ b/target/linux/brcm47xx/patches-4.4/791-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) |