[PATCH v8 2/5] amba: Add helpers for (un)preparing AMBA clock
From: Krzysztof Kozlowski <hidden>
Date: 2014-10-20 09:05:44
Also in:
lkml
Subsystem:
arm primecell bus support, the rest · Maintainers:
Russell King, Linus Torvalds
Add amba_pclk_prepare() and amba_pclk_unprepare() inline functions for handling the AMBA bus clock by device drivers. Signed-off-by: Krzysztof Kozlowski <redacted> --- 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