Re: [PATCH v3] clk: let of_clk_get_parent_name() fail for invalid clock-indices

[Stephen Boyd <sboyd@codeaurora.org>]

On 12/03, Masahiro Yamada wrote:
> Currently, of_clk_get_parent_name() returns a wrong parent clock name
> when "clock-indices" property exists and the target index is not
> found in the property.  In this case, NULL should be returned.
> 
> For example,
> 
>         oscillator {
>                 compatible = "myclocktype";
>                 #clock-cells = <1>;
>                 clock-indices = <1>, <3>;
>                 clock-output-names = "clka", "clkb";
>         };
> 
>         consumer {
>                 compatible = "myclockconsumer";
>                 clocks = <&oscillator 0>, <&oscillator 1>;
>         };
> 
> Currently, of_clk_get_parent_name(consumer_np, 0) returns "clka"
> (and of_clk_get_parent_name(consumer_np, 1) also returns "clka",
> this is correct).   Because the "clock-indices" in the clock parent
> does not contain <0>, of_clk_get_parent_name(consumer_np, 0) should
> return NULL.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> ---

Applied to clk-next

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