linux-kernel - Re: [PATCH v2] Input: touchscreen: ads7846.c: Fix race that causes missing releases

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Message-ID: <20201112114851.mlhhxxjonhx5n4sz@pengutronix.de>
Date:   Thu, 12 Nov 2020 12:48:51 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Alexandru Ardelean <alexandru.ardelean@...log.com>,
        David Jander <david@...tonic.nl>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH v2] Input: touchscreen: ads7846.c: Fix race that causes
 missing releases

On Wed, Nov 11, 2020 at 11:07:40AM -0800, Dmitry Torokhov wrote:
> Hi Oleksij,
> 
> On Tue, Oct 27, 2020 at 11:54:16AM +0100, Oleksij Rempel wrote:
> > From: David Jander <david@...tonic.nl>
> > 
> > If touchscreen is released while busy reading HWMON device, the release
> > can be missed. The IRQ thread is not started because no touch is active
> > and BTN_TOUCH release event is never sent.
> > 
> > Fixes: f5a28a7d4858f94a ("Input: ads7846 - avoid pen up/down when reading hwmon")
> > Co-Developed-by: David Jander <david@...tonic.nl>
> 
> Since the patch is nominally attributed to David (via the From: tag)
> I'll be changing Co-developed-by tag to your name, OK?

OK.

> 
> > Signed-off-by: David Jander <david@...tonic.nl>
> > Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>

Regards,
Oleksij

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