From: Brian Masney Date: Thu, 10 Jul 2025 15:20:24 +0000 (-0400) Subject: rtc: pcf85063: fix incorrect maximum clock rate handling X-Git-Tag: v6.16.1~159 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=dfceba153185230ec673fcb83b6bc7477ec0355a;p=thirdparty%2Fkernel%2Fstable.git rtc: pcf85063: fix incorrect maximum clock rate handling [ Upstream commit 186ae1869880e58bb3f142d222abdb35ecb4df0f ] 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: 8c229ab6048b7 ("rtc: pcf85063: Add pcf85063 clkout control to common clock framework") Signed-off-by: Brian Masney Link: https://lore.kernel.org/r/20250710-rtc-clk-round-rate-v1-4-33140bb2278e@redhat.com Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c index 4fa5c4ecdd5a3..b26c9bfad5d92 100644 --- a/drivers/rtc/rtc-pcf85063.c +++ b/drivers/rtc/rtc-pcf85063.c @@ -410,7 +410,7 @@ 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,