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ar71xx: replace "workaround" reboot patch with the real fix (hopefully)

This commit is contained in:
Matthias Schiffer 2015-01-09 09:29:25 +01:00
parent 28f3e182a7
commit 59a9ea1978
2 changed files with 24 additions and 24 deletions
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24
patches/openwrt/0010-ar71xx-add-flush-reset-register-writes-should-fix-restart-issues-17839.patch Normal file
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@ -0,0 +1,24 @@
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)

24
patches/openwrt/0010-ar71xx-add-workaround-patch-for-WDR3600-4300-reboot.patch
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@ -1,24 +0,0 @@
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);