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drivers/rtc/rtc-hym8563.c: set uie_unsupported

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The alarm of the hym8563 only supports a minute accuracy, while the uie
wants an alarm one second in the future.  Therefore things like the
select() syscall will fail with a timeout, because the next alarm will
happen in a worst case of 60 seconds.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Heiko Stuebner 2014-05-09 15:36:57 -07:00 committed by Linus Torvalds
parent afcf0a2d92
commit 282cba6b00
1 changed files with 3 additions and 0 deletions
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drivers/rtc/rtc-hym8563.c
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@ -569,6 +569,9 @@ static int hym8563_probe(struct i2c_client *client,
if (IS_ERR(hym8563->rtc))
return PTR_ERR(hym8563->rtc);
/* the hym8563 alarm only supports a minute accuracy */
hym8563->rtc->uie_unsupported = 1;
#ifdef CONFIG_COMMON_CLK
hym8563_clkout_register_clk(hym8563);
#endif