ralink: make sure a mii_bus is loaded before accesing its state

this caused a crash on boot

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 43120
This commit is contained in:
John Crispin 2014-10-30 10:10:57 +00:00
parent 0b64dca49d
commit 2f30ba5328

View file

@ -97,7 +97,7 @@ Index: linux-3.14.18/arch/mips/ralink/rt305x.c
Index: linux-3.14.18/drivers/net/ethernet/Kconfig
===================================================================
--- linux-3.14.18.orig/drivers/net/ethernet/Kconfig 2014-09-06 01:34:59.000000000 +0200
+++ linux-3.14.18/drivers/net/ethernet/Kconfig 2014-10-30 09:43:22.196245753 +0100
+++ linux-3.14.18/drivers/net/ethernet/Kconfig 2014-10-30 11:09:42.442557047 +0100
@@ -134,6 +134,7 @@
source "drivers/net/ethernet/packetengines/Kconfig"
source "drivers/net/ethernet/pasemi/Kconfig"
@ -109,7 +109,7 @@ Index: linux-3.14.18/drivers/net/ethernet/Kconfig
Index: linux-3.14.18/drivers/net/ethernet/Makefile
===================================================================
--- linux-3.14.18.orig/drivers/net/ethernet/Makefile 2014-09-06 01:34:59.000000000 +0200
+++ linux-3.14.18/drivers/net/ethernet/Makefile 2014-10-30 09:43:22.196245753 +0100
+++ linux-3.14.18/drivers/net/ethernet/Makefile 2014-10-30 11:09:42.442557047 +0100
@@ -56,6 +56,7 @@
obj-$(CONFIG_NET_PACKET_ENGINE) += packetengines/
obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/
@ -1685,7 +1685,7 @@ Index: linux-3.14.18/drivers/net/ethernet/ralink/esw_rt3052.h
Index: linux-3.14.18/drivers/net/ethernet/ralink/gsw_mt7620a.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.14.18/drivers/net/ethernet/ralink/gsw_mt7620a.c 2014-10-30 09:02:08.735269671 +0100
+++ linux-3.14.18/drivers/net/ethernet/ralink/gsw_mt7620a.c 2014-10-30 11:05:31.228845263 +0100
@@ -0,0 +1,569 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
@ -2197,7 +2197,7 @@ Index: linux-3.14.18/drivers/net/ethernet/ralink/gsw_mt7620a.c
+ struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
+
+ /* is the mt7530 internal or external */
+ if (priv->mii_bus->phy_map[0x1f]) {
+ if (priv->mii_bus && priv->mii_bus->phy_map[0x1f]) {
+ mt7530_probe(priv->device, gsw->base, NULL, 0);
+ mt7530_probe(priv->device, NULL, priv->mii_bus, 1);
+ } else {