From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Chen-Yu Tsai <wens@kernel.org>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>,
Alessandro Zummo <a.zummo@towertech.it>,
Vincent Donnefort <vdonnefort@gmail.com>,
linux-rtc@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>
Subject: Re: [PATCH 2/3] rtc: pcf8563: Clear event flags and disable interrupts before requesting irq
Date: Thu, 20 Jun 2019 20:37:42 +0200 [thread overview]
Message-ID: <20190620183742.GD23549@piout.net> (raw)
In-Reply-To: <20190604042337.26129-3-wens@kernel.org>
On 04/06/2019 12:23:36+0800, Chen-Yu Tsai wrote:
> From: Chen-Yu Tsai <wens@csie.org>
>
> Besides the alarm, the PCF8563 also has a timer triggered interrupt.
> In cases where the previous system left the timer and interrupts on,
> or somehow the bits got enabled, the interrupt would keep triggering
> as the kernel doesn't know about it.
>
> Clear both the alarm and timer event flags, and disable the interrupts,
> before requesting the interrupt line.
>
> Fixes: ede3e9d47cca ("drivers/rtc/rtc-pcf8563.c: add alarm support")
> Fixes: a45d528aab8b ("rtc: pcf8563: clear expired alarm at boot time")
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>
> ---
> drivers/rtc/rtc-pcf8563.c | 11 +++++------
> 1 file changed, 5 insertions(+), 6 deletions(-)
>
Applied, thanks.
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2019-06-20 18:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-04 4:23 [PATCH 0/3] rtc: pcf8563: Fix unhandled interrupt storm Chen-Yu Tsai
2019-06-04 4:23 ` [PATCH 1/3] rtc: pcf8563: Fix interrupt trigger method Chen-Yu Tsai
2019-06-20 18:36 ` Alexandre Belloni
2019-06-04 4:23 ` [PATCH 2/3] rtc: pcf8563: Clear event flags and disable interrupts before requesting irq Chen-Yu Tsai
2019-06-20 18:37 ` Alexandre Belloni [this message]
2019-06-04 4:23 ` [PATCH 3/3] arm64: dts: allwinner: h6: Pine H64: Add interrupt line for RTC Chen-Yu Tsai
2019-06-20 16:22 ` [PATCH 0/3] rtc: pcf8563: Fix unhandled interrupt storm Alexandre Belloni
2019-06-24 10:34 ` Chen-Yu Tsai
2019-06-24 10:42 ` Alexandre Belloni
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190620183742.GD23549@piout.net \
--to=alexandre.belloni@bootlin.com \
--cc=a.zummo@towertech.it \
--cc=devicetree@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rtc@vger.kernel.org \
--cc=maxime.ripard@bootlin.com \
--cc=vdonnefort@gmail.com \
--cc=wens@csie.org \
--cc=wens@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).