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rtc: rv3028: fix incorrect maximum clock rate handling 

When rv3028_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: f583c341a5 ("rtc: rv3028: add clkout support")
Signed-off-by: Brian Masney <bmasney@redhat.com>
Link: https://lore.kernel.org/r/20250710-rtc-clk-round-rate-v1-6-33140bb2278e@redhat.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Brian Masney 2025-07-10 11:20:26 -04:00 committed by Alexandre Belloni
parent 906726a5ef
commit b574acb3cf
1 changed files with 1 additions and 1 deletions
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2
drivers/rtc/rtc-rv3028.c
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@ -740,7 +740,7 @@ static long rv3028_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 rv3028_clkout_set_rate(struct clk_hw *hw, unsigned long rate,