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clk: at91: clk-generated: check best_rate against ranges

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Check best_rate against available clock ranges.

Fixes: df70aeef60 ("clk: at91: add generated clock driver")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/1595403506-8209-3-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Claudiu Beznea 2020-07-22 10:38:10 +03:00 committed by Stephen Boyd
parent 3a5c42b18a
commit 83331bfcc0
1 changed files with 2 additions and 2 deletions
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4
drivers/clk/at91/clk-generated.c
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@ -185,8 +185,8 @@ static int clk_generated_determine_rate(struct clk_hw *hw,
__clk_get_name((req->best_parent_hw)->clk),
req->best_parent_rate);
if (best_rate < 0)
return best_rate;
if (best_rate < 0 || (gck->range.max && best_rate > gck->range.max))
return -EINVAL;
req->rate = best_rate;
return 0;