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clk: at91: clk-generated: Limit the requested rate to our range
[ Upstream commitaf7651e67b
] On clk_generated_determine_rate(), the requested rate could be outside of clk's range. Limit the rate to the clock's range to not return an error. Fixes:df70aeef60
("clk: at91: add generated clock driver") Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com> Link: https://lore.kernel.org/r/20210707131213.3283509-1-codrin.ciubotariu@microchip.com Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 6 additions and 0 deletions
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@ -128,6 +128,12 @@ static int clk_generated_determine_rate(struct clk_hw *hw,
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int i;
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u32 div;
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/* do not look for a rate that is outside of our range */
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if (gck->range.max && req->rate > gck->range.max)
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req->rate = gck->range.max;
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if (gck->range.min && req->rate < gck->range.min)
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req->rate = gck->range.min;
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for (i = 0; i < clk_hw_get_num_parents(hw); i++) {
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if (gck->chg_pid == i)
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continue;
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