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openwrt-xburst/target/linux/ar71xx/patches-3.2/503-MIPS-ath79-add-flash-acquire-release.patch
juhosg e0b80e41eb ar71xx: add initial support for 3.2
Tested on the following boards:
  ALFA AP96
  TL-MR3220 v1
  TL-WR1043ND v1
  TL-WR2543ND v1
  TL-WR703N v1
  TL-WR741ND v1
  TL-WR741ND v4
  WNDR3700 v1
  WZR-HP-G300NH

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29868 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-01-22 22:38:19 +00:00

38 lines
996 B
Diff

--- a/arch/mips/ath79/common.c
+++ b/arch/mips/ath79/common.c
@@ -22,6 +22,7 @@
#include "common.h"
static DEFINE_SPINLOCK(ath79_device_reset_lock);
+static DEFINE_MUTEX(ath79_flash_mutex);
u32 ath79_cpu_freq;
EXPORT_SYMBOL_GPL(ath79_cpu_freq);
@@ -107,3 +108,16 @@ void ath79_device_reset_clear(u32 mask)
spin_unlock_irqrestore(&ath79_device_reset_lock, flags);
}
EXPORT_SYMBOL_GPL(ath79_device_reset_clear);
+
+void ath79_flash_acquire(void)
+{
+ mutex_lock(&ath79_flash_mutex);
+}
+EXPORT_SYMBOL_GPL(ath79_flash_acquire);
+
+void ath79_flash_release(void)
+{
+ mutex_unlock(&ath79_flash_mutex);
+}
+EXPORT_SYMBOL_GPL(ath79_flash_release);
+
--- a/arch/mips/include/asm/mach-ath79/ath79.h
+++ b/arch/mips/include/asm/mach-ath79/ath79.h
@@ -126,4 +126,7 @@ static inline u32 ath79_reset_rr(unsigne
void ath79_device_reset_set(u32 mask);
void ath79_device_reset_clear(u32 mask);
+void ath79_flash_acquire(void);
+void ath79_flash_release(void);
+
#endif /* __ASM_MACH_ATH79_H */