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rtc: nct3018y: fix incorrect maximum clock rate handling

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When nct3018y_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: 5adbaed16c ("rtc: Add NCT3018Y real time clock driver")
Signed-off-by: Brian Masney <bmasney@redhat.com>
Link: https://lore.kernel.org/r/20250710-rtc-clk-round-rate-v1-3-33140bb2278e@redhat.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Brian Masney 2025-07-10 11:20:23 -04:00 committed by Alexandre Belloni
parent d0a518eb0a
commit 437c59e4b2
1 changed files with 1 additions and 1 deletions
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2
drivers/rtc/rtc-nct3018y.c
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@ -376,7 +376,7 @@ static long nct3018y_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 nct3018y_clkout_set_rate(struct clk_hw *hw, unsigned long rate,