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0010-ar71xx-add-flush-reset-register-writes-should-fix-restart-issues-17839.patch
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0010-ar71xx-add-flush-reset-register-writes-should-fix-restart-issues-17839.patch 1000 B
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Fri, 9 Jan 2015 09:27:39 +0100
Subject: ar71xx: add flush reset register writes, should fix restart issues (#17839)
Backport of r43777
diff --git a/target/linux/ar71xx/patches-3.10/728-MIPS-ath79-fix-restart.patch b/target/linux/ar71xx/patches-3.10/728-MIPS-ath79-fix-restart.patch
index 0027c59..612078c 100644
--- a/target/linux/ar71xx/patches-3.10/728-MIPS-ath79-fix-restart.patch
+++ b/target/linux/ar71xx/patches-3.10/728-MIPS-ath79-fix-restart.patch
@@ -8,3 +8,13 @@
ath79_device_reset_set(AR71XX_RESET_FULL_CHIP);
for (;;)
if (cpu_wait)
+--- a/arch/mips/include/asm/mach-ath79/ath79.h
++++ b/arch/mips/include/asm/mach-ath79/ath79.h
+@@ -144,6 +144,7 @@ static inline u32 ath79_pll_rr(unsigned
+ static inline void ath79_reset_wr(unsigned reg, u32 val)
+ {
+ __raw_writel(val, ath79_reset_base + reg);
++ (void) __raw_readl(ath79_reset_base + reg); /* flush */
+ }
+
+ static inline u32 ath79_reset_rr(unsigned reg)