ar71xx: add preliminary support for Mikrotik RB2011L
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / patches-3.3 / 503-MIPS-ath79-add-flash-acquire-release.patch
1 --- a/arch/mips/ath79/common.c
2 +++ b/arch/mips/ath79/common.c
3 @@ -22,6 +22,7 @@
4 #include "common.h"
5
6 static DEFINE_SPINLOCK(ath79_device_reset_lock);
7 +static DEFINE_MUTEX(ath79_flash_mutex);
8
9 u32 ath79_cpu_freq;
10 EXPORT_SYMBOL_GPL(ath79_cpu_freq);
11 @@ -109,3 +110,16 @@ void ath79_device_reset_clear(u32 mask)
12 spin_unlock_irqrestore(&ath79_device_reset_lock, flags);
13 }
14 EXPORT_SYMBOL_GPL(ath79_device_reset_clear);
15 +
16 +void ath79_flash_acquire(void)
17 +{
18 + mutex_lock(&ath79_flash_mutex);
19 +}
20 +EXPORT_SYMBOL_GPL(ath79_flash_acquire);
21 +
22 +void ath79_flash_release(void)
23 +{
24 + mutex_unlock(&ath79_flash_mutex);
25 +}
26 +EXPORT_SYMBOL_GPL(ath79_flash_release);
27 +
28 --- a/arch/mips/include/asm/mach-ath79/ath79.h
29 +++ b/arch/mips/include/asm/mach-ath79/ath79.h
30 @@ -137,4 +137,7 @@ static inline u32 ath79_reset_rr(unsigne
31 void ath79_device_reset_set(u32 mask);
32 void ath79_device_reset_clear(u32 mask);
33
34 +void ath79_flash_acquire(void);
35 +void ath79_flash_release(void);
36 +
37 #endif /* __ASM_MACH_ATH79_H */