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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:12:43 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 08:12:43 -0800 |
| commit | 79c9601c2e0dbbe69895d302de4d19f3a31fbd30 (patch) | |
| tree | 78d4be2df851b2b4106adcfd736622a90cecf9e9 /arch/arm/include/asm/swab.h | |
| parent | 41440ffe21f29bdb985cab76b2d0b06d83e63b19 (diff) | |
| parent | 3d14b5beba35250c548d3851a2b84fce742d8311 (diff) | |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (272 commits)
Fix soc_common PCMCIA configuration
ARM: 5827/1: SA1100: h3100/h3600: emit messages on failed gpio_request
ARM: 5826/1: SA1100: h3100/h3600: always build htc-egpio driver
ARM: 5825/1: SA1100: h3600: update defconfig
ARM: 5824/1: SA1100: reuse h3600 PCMCIA driver on h3100
ARM: 5823/1: SA1100: h3100/h3600: add support for gpio-keys
ARM: 5822/1: SA1100: h3100/h3600: clean up #includes
ARM: 5821/1: SA1100: h3100/h3600: revise copyright boilerplates
ARM: 5820/1: SA1100: h3100/h3600: split h3600.c
ARM: 5819/1: SA1100: h3100/h3600: merge h3600.h and h3600_gpio.h into h3xxx.h
ARM: 5818/1: SA1100: h3100/h3600: drop old GPIO definitions
ARM: 5817/1: SA1100: h3100/h3600: configure all unused gpios as inputs
ARM: 5816/1: SA1100: h3600: remove IRQ_GPIO_* definitions
ARM: 5815/1: SA1100: h3100/h3600: remove now unused assign_h3600_egpio handlers
ARM: 5814/1: SA1100: h3100/h3600: convert all users of assign_h3600_egpio to gpiolib
ARM: 5813/1: SA1100: h3100/h3600: add htc-egpio driver
ARM: 5812/1: SA1100: h3100/h3600: separate machine-specific LCD helpers
ARM: 5811/2: pcmcia: convert sa1100_h3600 driver to gpiolib
ARM: 5799/1: SA1100: h3600: stop setting direction for LCD pins
ARM: 5798/1: SA1100: h3600: remove unused cruft from h3600.h
...
Diffstat (limited to 'arch/arm/include/asm/swab.h')
| -rw-r--r-- | arch/arm/include/asm/swab.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/include/asm/swab.h b/arch/arm/include/asm/swab.h index ca2bf2f6d6e..9997ad20eff 100644 --- a/arch/arm/include/asm/swab.h +++ b/arch/arm/include/asm/swab.h @@ -22,6 +22,24 @@ # define __SWAB_64_THRU_32__ #endif +#if defined(__KERNEL__) && __LINUX_ARM_ARCH__ >= 6 + +static inline __attribute_const__ __u16 __arch_swab16(__u16 x) +{ + __asm__ ("rev16 %0, %1" : "=r" (x) : "r" (x)); + return x; +} +#define __arch_swab16 __arch_swab16 + +static inline __attribute_const__ __u32 __arch_swab32(__u32 x) +{ + __asm__ ("rev %0, %1" : "=r" (x) : "r" (x)); + return x; +} +#define __arch_swab32 __arch_swab32 + +#else + static inline __attribute_const__ __u32 __arch_swab32(__u32 x) { __u32 t; @@ -48,3 +66,4 @@ static inline __attribute_const__ __u32 __arch_swab32(__u32 x) #endif +#endif |