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rtc: pcf85063: fix incorrect maximum clock rate handling

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When pcf85063_clkout_round_rate() is called with a requested rate higher
than the highest supported rate, it currently returns 0, which disables
the clock. According to the clk API, round_rate() should instead return
the highest supported rate. Update the function to return the maximum
supported rate in this case.

Fixes: 8c229ab604 ("rtc: pcf85063: Add pcf85063 clkout control to common clock framework")
Signed-off-by: Brian Masney <bmasney@redhat.com>
Link: https://lore.kernel.org/r/20250710-rtc-clk-round-rate-v1-4-33140bb2278e@redhat.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Brian Masney
2025-07-10 11:20:24 -04:00
committed by Alexandre Belloni
parent 437c59e4b2
commit 186ae18698
1 changed files with 1 additions and 1 deletions
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2
drivers/rtc/rtc-pcf85063.c
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@@ -414,7 +414,7 @@ static long pcf85063_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
if (clkout_rates[i] <= rate)
return clkout_rates[i];
return 0;
return clkout_rates[0];
}
static int pcf85063_clkout_set_rate(struct clk_hw *hw, unsigned long rate,