Commit c8edb316 authored Jun 14, 2019 by Stephen Boyd

clk: Do a DT parent lookup even when index < 0



We want to allow the parent lookup to happen even if the index is some
value less than 0. This may be the case if a clk provider only specifies
the .name member to match a string in the "clock-names" DT property. We
shouldn't require that the index be >= 0 to make this use case work.

Fixes: 601b6e93 ("clk: Allow parents to be specified via clkspec index")
Reported-by: Alexandre Mergnat <amergnat@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

parent 9caec662

drivers/clk/clk.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -368,7 +368,7 @@ static struct clk_core clk_core_get(struct clk_core core, u8 p_index)
		const char *dev_id = dev ? dev_name(dev) : NULL;
		struct device_node *np = core->of_node;

		if (np && index >= 0)
		if (np && (name \|\| index >= 0))
		hw = of_clk_get_hw(np, index, name);

		/*

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