diff options
Diffstat (limited to 'target/linux/ar71xx/patches-4.4/503-MIPS-ath79-add-flash-acquire-release.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-4.4/503-MIPS-ath79-add-flash-acquire-release.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-4.4/503-MIPS-ath79-add-flash-acquire-release.patch b/target/linux/ar71xx/patches-4.4/503-MIPS-ath79-add-flash-acquire-release.patch new file mode 100644 index 0000000000..82235ce22c --- /dev/null +++ b/target/linux/ar71xx/patches-4.4/503-MIPS-ath79-add-flash-acquire-release.patch @@ -0,0 +1,37 @@ +--- 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); +@@ -142,3 +143,16 @@ 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 +@@ -145,4 +145,7 @@ 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 */ |