This is a note to let you know that I've just added the patch titled
drivers/rtc/rtc-hym8563.c: set uie_unsupported
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drivers-rtc-rtc-hym8563.c-set-uie_unsupported.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 282cba6b00a95f0277ed71551e3f6b0477e8836b Mon Sep 17 00:00:00 2001
From: Heiko Stuebner <heiko@xxxxxxxxx>
Date: Fri, 9 May 2014 15:36:57 -0700
Subject: drivers/rtc/rtc-hym8563.c: set uie_unsupported
From: Heiko Stuebner <heiko@xxxxxxxxx>
commit 282cba6b00a95f0277ed71551e3f6b0477e8836b upstream.
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@xxxxxxxxx>
Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/rtc/rtc-hym8563.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/rtc/rtc-hym8563.c
+++ b/drivers/rtc/rtc-hym8563.c
@@ -569,6 +569,9 @@ static int hym8563_probe(struct i2c_clie
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
Patches currently in stable-queue which might be from heiko@xxxxxxxxx are
queue-3.14/drivers-rtc-rtc-hym8563.c-set-uie_unsupported.patch
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