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- 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)
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