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| author | Rafał Miłecki <zajec5@gmail.com> | 2014-10-28 10:26:00 +0000 |
|---|---|---|
| committer | Rafał Miłecki <zajec5@gmail.com> | 2014-10-28 10:26:00 +0000 |
| commit | 0100a8a68ef51ead7d1c570bcc33fb36493fbf00 (patch) | |
| tree | 40038233353106ac74994a3d25770ce6338d096a /target/linux/brcm47xx/patches-3.18/791-tg3-no-pci-sleep.patch | |
| parent | fb543b63a9a5df3d2eb786c3099b9cb1290fbc48 (diff) | |
| download | mtk-20170518-0100a8a68ef51ead7d1c570bcc33fb36493fbf00.zip mtk-20170518-0100a8a68ef51ead7d1c570bcc33fb36493fbf00.tar.gz mtk-20170518-0100a8a68ef51ead7d1c570bcc33fb36493fbf00.tar.bz2 | |
brcm47xx: initial support for kernel 3.18
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
SVN-Revision: 43100
Diffstat (limited to 'target/linux/brcm47xx/patches-3.18/791-tg3-no-pci-sleep.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.18/791-tg3-no-pci-sleep.patch | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.18/791-tg3-no-pci-sleep.patch b/target/linux/brcm47xx/patches-3.18/791-tg3-no-pci-sleep.patch new file mode 100644 index 0000000..35a816d --- /dev/null +++ b/target/linux/brcm47xx/patches-3.18/791-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) |