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drivers/rtc/rtc-hym8563.c: return clock rate even when clock is disabled 

When the clock is disabled, do not return a rate of 0 but instead return
the rate the clock will be running at after it gets enabled.  This
prevents problems when the core clock code is trying to determine a
suitable rate, while the clock is still off.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Heiko Stuebner 2015-04-16 12:45:34 -07:00 committed by Linus Torvalds
parent d174a02400
commit b3288a43b4
1 changed files with 1 additions and 1 deletions
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drivers/rtc/rtc-hym8563.c
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@ -309,7 +309,7 @@ static unsigned long hym8563_clkout_recalc_rate(struct clk_hw *hw,
struct i2c_client *client = hym8563->client;
int ret = i2c_smbus_read_byte_data(client, HYM8563_CLKOUT);
if (ret < 0 || ret & HYM8563_CLKOUT_DISABLE)
if (ret < 0)
return 0;
ret &= HYM8563_CLKOUT_MASK;