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clk: at91: clk-generated: continue if __clk_determine_rate() returns error

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__clk_determine_rate() may return error. Skip the current step
in case of error.

Fixes: 1a1a36d72e ("clk: at91: clk-generated: make gclk determine audio_pll rate")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/1595403506-8209-2-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 10:38:09 +03:00 committed by Stephen Boyd
parent 153bc1c66a
commit 3a5c42b18a
1 changed files with 2 additions and 1 deletions
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3
drivers/clk/at91/clk-generated.c
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@ -170,7 +170,8 @@ static int clk_generated_determine_rate(struct clk_hw *hw,
for (div = 1; div < GENERATED_MAX_DIV + 2; div++) { for (div = 1; div < GENERATED_MAX_DIV + 2; div++) {
req_parent.rate = req->rate * div; req_parent.rate = req->rate * div;
__clk_determine_rate(parent, &req_parent); if (__clk_determine_rate(parent, &req_parent))
continue;
clk_generated_best_diff(req, parent, req_parent.rate, div, clk_generated_best_diff(req, parent, req_parent.rate, div,
&best_diff, &best_rate); &best_diff, &best_rate);