openwrtv3/target/linux/ar71xx/patches-3.6/503-MIPS-ath79-add-flash-acquire-release.patch
Gabor Juhos e4db63fd64 ar71xx: add initial support for 3.6
The nand subtarget is not working yet.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 33983
2012-10-28 19:52:02 +00:00

37 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);
@@ -109,3 +110,16 @@ 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
@@ -137,4 +137,7 @@ 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 */