On 20 October 2014 11:04, Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> wrote:
> 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@xxxxxxxxxxx>
Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
> ---
> 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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