diff options
Diffstat (limited to 'include/linux/amba/bus.h')
-rw-r--r-- | include/linux/amba/bus.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index c324f5700d1a..ac02f9bd63dc 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h | |||
@@ -97,6 +97,16 @@ void amba_release_regions(struct amba_device *); | |||
97 | #define amba_pclk_disable(d) \ | 97 | #define amba_pclk_disable(d) \ |
98 | do { if (!IS_ERR((d)->pclk)) clk_disable((d)->pclk); } while (0) | 98 | do { if (!IS_ERR((d)->pclk)) clk_disable((d)->pclk); } while (0) |
99 | 99 | ||
100 | static inline int amba_pclk_prepare(struct amba_device *dev) | ||
101 | { | ||
102 | return clk_prepare(dev->pclk); | ||
103 | } | ||
104 | |||
105 | static inline void amba_pclk_unprepare(struct amba_device *dev) | ||
106 | { | ||
107 | clk_unprepare(dev->pclk); | ||
108 | } | ||
109 | |||
100 | /* Some drivers don't use the struct amba_device */ | 110 | /* Some drivers don't use the struct amba_device */ |
101 | #define AMBA_CONFIG_BITS(a) (((a) >> 24) & 0xff) | 111 | #define AMBA_CONFIG_BITS(a) (((a) >> 24) & 0xff) |
102 | #define AMBA_REV_BITS(a) (((a) >> 20) & 0x0f) | 112 | #define AMBA_REV_BITS(a) (((a) >> 20) & 0x0f) |