From: Philippe Schenker <philippe.schenker@toradex.com>
To: "stefan@agner.ch" <stefan@agner.ch>,
"jic23@kernel.org" <jic23@kernel.org>,
"pmeerw@pmeerw.net" <pmeerw@pmeerw.net>,
"knaack.h@gmx.de" <knaack.h@gmx.de>,
"linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>,
"David.Laight@ACULAB.COM" <David.Laight@ACULAB.COM>,
"lars@metafoo.de" <lars@metafoo.de>
Cc: Max Krummenacher <max.krummenacher@toradex.com>,
Marcel Ziswiler <marcel.ziswiler@toradex.com>,
"linux-stm32@st-md-mailman.stormreply.com"
<linux-stm32@st-md-mailman.stormreply.com>,
"lee.jones@linaro.org" <lee.jones@linaro.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"mcoquelin.stm32@gmail.com" <mcoquelin.stm32@gmail.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"alexandre.torgue@st.com" <alexandre.torgue@st.com>
Subject: Re: [PATCH 2/3] iio: stmpe-adc: Make wait_completion non interruptible
Date: Fri, 3 May 2019 15:58:38 +0000 [thread overview]
Message-ID: <1aa6533aa8b1bf4a01c1c5f8d6a208337be6b57e.camel@toradex.com> (raw)
In-Reply-To: <0aab3e91bb9644acb430a8beba927b5a@AcuMS.aculab.com>
On Fri, 2019-05-03 at 14:39 +0000, David Laight wrote:
> From: Philippe Schenker
> > Sent: 03 May 2019 14:57
> > In some cases, the wait_completion got interrupted. This caused the
> > error-handling to mutex_unlock the function. The before turned on
> > interrupt then got called anyway. In the ISR then completion()
> > was called causing problems.
> >
> > Making this wait_completion non interruptible solves the problem.
>
> Won't the same thing happen if the interrupt occurs just after
> the timeout?
>
> David
>
>
> -
> Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT,
> UK
> Registration No: 1397386 (Wales)
>
You're of course right... Thanks for pointing this out. I will send a v2 with a
better solution then.
Philippe
next prev parent reply other threads:[~2019-05-03 15:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-03 13:57 [PATCH 1/3] iio: stmpe-adc: Remove unnecessary assignment Philippe Schenker
2019-05-03 13:57 ` [PATCH 2/3] iio: stmpe-adc: Make wait_completion non interruptible Philippe Schenker
2019-05-03 14:39 ` David Laight
2019-05-03 15:58 ` Philippe Schenker [this message]
[not found] ` <20190505164409.7976f43e@archlinux>
[not found] ` <4df31129d19c4128a4bbc5e0575886af@AcuMS.aculab.com>
2019-05-07 14:31 ` Philippe Schenker
2019-05-03 13:57 ` [PATCH 3/3] iio: stmpe-adc: Enable all stmpe-adc interrupts just once Philippe Schenker
2019-05-05 15:45 ` Jonathan Cameron
2019-05-07 14:32 ` Philippe Schenker
2019-05-05 15:39 ` [PATCH 1/3] iio: stmpe-adc: Remove unnecessary assignment Jonathan Cameron
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