Messages in this thread Patch in this message | | | From | Krzysztof Kozlowski <> | Subject | [PATCH v8 2/5] amba: Add helpers for (un)preparing AMBA clock | Date | Mon, 20 Oct 2014 11:04:45 +0200 |
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Add amba_pclk_prepare() and amba_pclk_unprepare() inline functions for handling the AMBA bus clock by device drivers.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> --- include/linux/amba/bus.h | 10 ++++++++++ 1 file changed, 10 insertions(+)
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 *); #define amba_pclk_disable(d) \ do { if (!IS_ERR((d)->pclk)) clk_disable((d)->pclk); } while (0) +static inline int amba_pclk_prepare(struct amba_device *dev) +{ + return clk_prepare(dev->pclk); +} + +static inline void amba_pclk_unprepare(struct amba_device *dev) +{ + clk_unprepare(dev->pclk); +} + /* Some drivers don't use the struct amba_device */ #define AMBA_CONFIG_BITS(a) (((a) >> 24) & 0xff) #define AMBA_REV_BITS(a) (((a) >> 20) & 0x0f) -- 1.9.1
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