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authorPaul Wassi <p.wassi@gmx.at>2018-03-13 09:43:43 +0100
committerRafał Miłecki <rafal@milecki.pl>2018-04-03 22:57:10 +0200
commitde79f4ab882b2955432eb8104fd5426745262e83 (patch)
tree248ead4b61c5a46f3a434c5aa66937b515131887 /target/linux/brcm47xx/patches-4.14/791-tg3-no-pci-sleep.patch
parent986f80595b765085d1cadd24988d2d8ade172146 (diff)
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brcm47xx: add kernel 4.14 support
Add patches for 4.14, drop patch 030 since it's already included upstream. Tested on: 1) WRT54GL (with RAM upgraded to 32 MiB) 2) WL500gPv2 (with RAM upgraded to 64 MiB) 3) BCM47186B0 SoC board 4) BCM4706 SoC board Signed-off-by: Paul Wassi <p.wassi@gmx.at> Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Diffstat (limited to 'target/linux/brcm47xx/patches-4.14/791-tg3-no-pci-sleep.patch')
-rw-r--r--target/linux/brcm47xx/patches-4.14/791-tg3-no-pci-sleep.patch17
1 files changed, 17 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-4.14/791-tg3-no-pci-sleep.patch b/target/linux/brcm47xx/patches-4.14/791-tg3-no-pci-sleep.patch
new file mode 100644
index 0000000000..85bac98a26
--- /dev/null
+++ b/target/linux/brcm47xx/patches-4.14/791-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
+@@ -4264,7 +4264,8 @@ 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)