Re: [PATCH v2] clk: let of_clk_get_parent_name() fail for invalid clock-indices

From: Masahiro Yamada
Date: Mon Nov 30 2015 - 03:49:17 EST


2015-11-30 17:46 GMT+09:00 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>:
> 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@xxxxxxxxxxxxx>



I've sent v2 to linux-gpio@xxxxxxxxxxxxxxx by mistake.

My intention was to send it linux-clk@xxxxxxxxxxxxxxxx


Sorry, Linus Walleij.




--
Best Regards
Masahiro Yamada
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