From: Markus Pargmann <mpa@pengutronix.de>
To: Johan Hovold <johan@kernel.org>
Cc: "Arun Bharadwaj" <arun@gumstix.com>,
"Alexandre Courbot" <gnurou@gmail.com>,
"Linus Walleij" <linus.walleij@linaro.org>,
"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
"Alexandre Courbot" <acourbot@nvidia.com>,
"Sascha Hauer" <kernel@pengutronix.de>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"Grant Likely" <grant.likely@linaro.org>
Subject: Re: [PATCH 0/9] gpiolib: Add GPIO name support
Date: Fri, 31 Jul 2015 12:42:51 +0200 [thread overview]
Message-ID: <20150731104251.GC1994@pengutronix.de> (raw)
In-Reply-To: <20150731094928.GQ28535@localhost>
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On Fri, Jul 31, 2015 at 11:49:28AM +0200, Johan Hovold wrote:
> On Thu, Jul 30, 2015 at 05:13:37PM -0700, Arun Bharadwaj wrote:
>
> > 2) Some times I get a kernel dump when I try to unexport the gpio or even
> > when I try to read the "name" file. This is not very repeatable and seems
> > to happen at random. I haven't had the time to look into this in more
> > detail yet, but here's the dump FWIW: http://pastebin.com/xq9cpCQE
>
> This is probably because of patch 8/9 erroneously taking the sysfs_lock
> in gpio_name_show.
Arun, thank you for testing. I will send a fixed series at the beginning
of next week.
Best regards,
Markus
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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From: mpa@pengutronix.de (Markus Pargmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/9] gpiolib: Add GPIO name support
Date: Fri, 31 Jul 2015 12:42:51 +0200 [thread overview]
Message-ID: <20150731104251.GC1994@pengutronix.de> (raw)
In-Reply-To: <20150731094928.GQ28535@localhost>
On Fri, Jul 31, 2015 at 11:49:28AM +0200, Johan Hovold wrote:
> On Thu, Jul 30, 2015 at 05:13:37PM -0700, Arun Bharadwaj wrote:
>
> > 2) Some times I get a kernel dump when I try to unexport the gpio or even
> > when I try to read the "name" file. This is not very repeatable and seems
> > to happen at random. I haven't had the time to look into this in more
> > detail yet, but here's the dump FWIW: http://pastebin.com/xq9cpCQE
>
> This is probably because of patch 8/9 erroneously taking the sysfs_lock
> in gpio_name_show.
Arun, thank you for testing. I will send a fixed series at the beginning
of next week.
Best regards,
Markus
--
Pengutronix e.K. | |
Industrial Linux Solutions | http://www.pengutronix.de/ |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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next prev parent reply other threads:[~2015-07-31 10:42 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-17 9:32 [PATCH 0/9] gpiolib: Add GPIO name support Markus Pargmann
2015-07-17 9:32 ` Markus Pargmann
2015-07-17 9:32 ` [PATCH 1/9] gpiolib: Fix possible use of wrong name Markus Pargmann
2015-07-17 9:32 ` Markus Pargmann
2015-07-28 9:03 ` Johan Hovold
2015-07-28 9:03 ` Johan Hovold
2015-07-29 6:46 ` Markus Pargmann
2015-07-29 6:46 ` Markus Pargmann
2015-07-17 9:32 ` [PATCH 2/9] gpiolib-of: Rename gpio_hog functions to be generic Markus Pargmann
2015-07-17 9:32 ` Markus Pargmann
2015-07-17 9:32 ` [PATCH 3/9] gpio: Allow hogged gpios to be requested Markus Pargmann
2015-07-17 9:32 ` Markus Pargmann
2015-07-17 20:27 ` Uwe Kleine-König
2015-07-17 20:27 ` Uwe Kleine-König
2015-07-19 14:01 ` Markus Pargmann
2015-07-19 14:01 ` Markus Pargmann
2015-07-20 6:32 ` Uwe Kleine-König
2015-07-20 6:32 ` Uwe Kleine-König
2015-07-20 7:51 ` Markus Pargmann
2015-07-20 7:51 ` Markus Pargmann
2015-07-28 9:17 ` Johan Hovold
2015-07-28 9:17 ` Johan Hovold
2015-07-29 6:52 ` Markus Pargmann
2015-07-29 6:52 ` Markus Pargmann
2015-08-10 9:20 ` Linus Walleij
2015-08-10 9:20 ` Linus Walleij
2015-07-17 9:32 ` [PATCH 4/9] gpio: Add 'name' to the gpio descriptor struct Markus Pargmann
2015-07-17 9:32 ` Markus Pargmann
2015-07-28 9:24 ` Johan Hovold
2015-07-28 9:24 ` Johan Hovold
2015-07-17 9:32 ` [PATCH 5/9] gpiolib: Implement gpio_name_to_desc() Markus Pargmann
2015-07-17 9:32 ` Markus Pargmann
2015-07-17 9:32 ` [PATCH 6/9] gpiolib-of: Reuse 'line-name' from DT as gpio descriptor name Markus Pargmann
2015-07-17 9:32 ` Markus Pargmann
2015-07-28 9:31 ` Johan Hovold
2015-07-28 9:31 ` Johan Hovold
2015-07-29 6:52 ` Markus Pargmann
2015-07-29 6:52 ` Markus Pargmann
2015-07-17 9:32 ` [PATCH 7/9] gpiolib-sysfs: Add gpio name parsing for sysfs export Markus Pargmann
2015-07-17 9:32 ` Markus Pargmann
2015-07-28 9:50 ` Johan Hovold
2015-07-28 9:50 ` Johan Hovold
2015-07-29 6:57 ` Markus Pargmann
2015-07-29 6:57 ` Markus Pargmann
2015-07-31 8:44 ` Johan Hovold
2015-07-31 8:44 ` Johan Hovold
2015-07-17 9:32 ` [PATCH 8/9] gpiolib-sysfs: Show gpio-name in /sys/class/gpio/gpio*/name Markus Pargmann
2015-07-17 9:32 ` Markus Pargmann
2015-07-28 9:53 ` Johan Hovold
2015-07-28 9:53 ` Johan Hovold
2015-07-29 7:02 ` Markus Pargmann
2015-07-29 7:02 ` Markus Pargmann
2015-07-17 9:32 ` [PATCH 9/9] gpiolib: Add gpio name information to /sys/kernel/debug/gpio Markus Pargmann
2015-07-17 9:32 ` Markus Pargmann
2015-07-28 9:58 ` Johan Hovold
2015-07-28 9:58 ` Johan Hovold
2015-07-29 7:08 ` Markus Pargmann
2015-07-29 7:08 ` Markus Pargmann
2015-07-31 8:54 ` Johan Hovold
2015-07-31 8:54 ` Johan Hovold
2015-07-31 10:41 ` Markus Pargmann
2015-07-31 10:41 ` Markus Pargmann
2015-07-31 10:45 ` Johan Hovold
2015-07-31 10:45 ` Johan Hovold
2015-07-31 10:49 ` Lucas Stach
2015-07-31 10:49 ` Lucas Stach
2015-07-17 20:05 ` [PATCH 0/9] gpiolib: Add GPIO name support Linus Walleij
2015-07-17 20:05 ` Linus Walleij
2015-07-21 9:00 ` Alexandre Courbot
2015-07-21 9:00 ` Alexandre Courbot
2015-07-21 9:54 ` Uwe Kleine-König
2015-07-21 9:54 ` Uwe Kleine-König
2015-07-21 10:10 ` Markus Pargmann
2015-07-21 10:10 ` Markus Pargmann
[not found] ` <CAGmoSHt0Kg-cxe3U6uV40=ttmFbDruRcJZNxtmSZ=gmZQN5fTw@mail.gmail.com>
2015-07-31 9:49 ` Johan Hovold
2015-07-31 9:49 ` Johan Hovold
2015-07-31 10:42 ` Markus Pargmann [this message]
2015-07-31 10:42 ` Markus Pargmann
2015-07-28 14:16 ` Johan Hovold
2015-07-28 14:16 ` Johan Hovold
2015-07-29 9:23 ` Linus Walleij
2015-07-29 9:23 ` Linus Walleij
2015-07-31 9:40 ` Johan Hovold
2015-07-31 9:40 ` Johan Hovold
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