From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Mon, 15 Dec 2014 00:17:38 +0100
Subject: ar71xx: add workaround patch for WDR3600/4300 reboot

While it isn't clear why this patch helps, it doesn't seem to have any negative
effects, so let's include it for now...

diff --git a/target/linux/ar71xx/patches-3.10/903-MIPS-ath79-fix-restart.patch b/target/linux/ar71xx/patches-3.10/903-MIPS-ath79-fix-restart.patch
new file mode 100644
index 0000000..86f33f3
--- /dev/null
+++ b/target/linux/ar71xx/patches-3.10/903-MIPS-ath79-fix-restart.patch
@@ -0,0 +1,11 @@
+--- a/arch/mips/ath79/common.c
++++ b/arch/mips/ath79/common.c
+@@ -83,6 +83,8 @@ void ath79_device_reset_set(u32 mask)
+ 	spin_lock_irqsave(&ath79_device_reset_lock, flags);
+ 	t = ath79_reset_rr(reg);
+ 	ath79_reset_wr(reg, t | mask);
++	if (mask == AR71XX_RESET_FULL_CHIP)
++		for(;;);
+ 	spin_unlock_irqrestore(&ath79_device_reset_lock, flags);
+ }
+ EXPORT_SYMBOL_GPL(ath79_device_reset_set);