Re: [PATCH 1/2] Add a common struct clk

["Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>]

Hi Jeremy,

On Mon, Feb 21, 2011 at 10:50:58AM +0800, Jeremy Kerr wrote:
> diff --git a/include/linux/clk.h b/include/linux/clk.h
> index 1d37f42..604be74 100644
> --- a/include/linux/clk.h
> +++ b/include/linux/clk.h
> @@ -11,18 +12,168 @@
> ...
> +#ifdef CONFIG_USE_COMMON_STRUCT_CLK
> ...
> +#else /* !CONFIG_USE_COMMON_STRUCT_CLK */
>  
>  /*
> - * struct clk - an machine class defined object / cookie.
> + * Global clock object, actual structure is declared per-machine
>   */
>  struct clk;
>  
> +static inline void clk_common_init(struct clk *clk) { }
> +
> +/*
> + * For !CONFIG_USE_COMMON_STRUCT_CLK, we don't enforce any atomicity
> + * requirements for clk_enable/clk_disable, so the prepare and unprepare
> + * functions are no-ops
> + */
> +int clk_prepare(struct clk *clk) { return 0; }
> +void clk_unprepare(struct clk *clk) { }
these should be static inline.  Otherwise these functions end up in many
files and so provoke a build failure.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |