From: Philipp Zabel
Date: Tue, 7 Nov 2017 12:12:17 +0000 (+0100)
Subject: rtc: pcf8563: fix output clock rate
X-Git-Tag: v4.4.107~43
X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=600b973fc56f91a6daf9d640ce3ecd6555875fdb;p=linux
rtc: pcf8563: fix output clock rate
[ Upstream commit a3350f9c57ffad569c40f7320b89da1f3061c5bb ]
The pcf8563_clkout_recalc_rate function erroneously ignores the
frequency index read from the CLKO register and always returns
32768 Hz.
Fixes: a39a6405d5f9 ("rtc: pcf8563: add CLKOUT to common clock framework")
Signed-off-by: Philipp Zabel
Signed-off-by: Alexandre Belloni
Signed-off-by: Sasha Levin
Signed-off-by: Greg Kroah-Hartman
---
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index c8f95b8e463a..45b5a3d47ccf 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -427,7 +427,7 @@ static unsigned long pcf8563_clkout_recalc_rate(struct clk_hw *hw,
return 0;
buf &= PCF8563_REG_CLKO_F_MASK;
- return clkout_rates[ret];
+ return clkout_rates[buf];
}
static long pcf8563_clkout_round_rate(struct clk_hw *hw, unsigned long rate,