[PATCH 4.4 072/115] rtc: pcf8563: fix output clock rate

Greg Kroah-Hartman
2017-12-18T15:55:29Z

From: Philipp Zabel <p.zabel@pengutronix.de>

[ 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 <p.zabel@pengutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/rtc/rtc-pcf8563.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -427,7 +427,7 @@ static unsigned long pcf8563_clkout_reca
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,