[PATCH v2 1/8] clk: mux: Add support for read-only muxes.

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Tue Jul 23 07:22:44 EDT 2013


Hello.

On 23-07-2013 3:49, Tomasz Figa wrote:

> Some platforms have read-only clock muxes that are preconfigured at
> reset and cannot be changed at runtime. This patch extends mux clock
> driver to allow handling such read-only muxes by adding new
> CLK_MUX_READ_ONLY mux flag.

> Signed-off-by: Tomasz Figa <tomasz.figa at gmail.com>
[...]

> diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
> index 1ec14a7..9487b96 100644
> --- a/include/linux/clk-provider.h
> +++ b/include/linux/clk-provider.h
> @@ -327,8 +327,10 @@ struct clk_mux {
> #define CLK_MUX_INDEX_ONE		BIT(0)
> #define CLK_MUX_INDEX_BIT		BIT(1)
> #define CLK_MUX_HIWORD_MASK		BIT(2)
> +#define CLK_MUX_READ_ONLY	BIT(3) /* mux setting cannot be changed */

    Please align BIT(3) with the above BIT() invocations.

WBR, Sergei




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