From: Mark Brown <broonie@kernel.org>
To: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org,
Alexandre Belloni <alexandre.belloni@free-electrons.com>
Subject: Re: [PATCH] spi: Force the registration of the spidev devices
Date: Mon, 5 May 2014 12:17:23 -0700 [thread overview]
Message-ID: <20140505191723.GK22111@sirena.org.uk> (raw)
In-Reply-To: <20140505042147.GE11606@lukather>
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On Sun, May 04, 2014 at 11:21:47PM -0500, Maxime Ripard wrote:
> On Fri, May 02, 2014 at 10:40:48AM -0700, Mark Brown wrote:
> > > i2c-dev works great in these cases, because you always have access to
> > > all the bus, and all the devices, except if the device is already used
> > > by someone. The patch I suggested is an attempt to mimic this.
> > It seems better to implement something like this at the device model
> > level, provide a way to have a default UIO driver for anything on a
> > given bus. I don't see anything bus specific apart from saying what the
> > default driver to use is and it avoids the icky code fiddling about with
> > what devices are bound and the races that might be involved duplicated
> > in individual buses.
> Hmmm, yes, that's probably a great long-term way of dealing with this,
> but I don't see it happening soon.
Isn't the code in the patch that started this thread roughly what's
needed, just done in a SPI specific way instead of a generic way?
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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Maxime Ripard
<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Alexandre Belloni
<alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Subject: Re: [PATCH] spi: Force the registration of the spidev devices
Date: Mon, 5 May 2014 12:17:23 -0700 [thread overview]
Message-ID: <20140505191723.GK22111@sirena.org.uk> (raw)
In-Reply-To: <20140505042147.GE11606@lukather>
[-- Attachment #1: Type: text/plain, Size: 993 bytes --]
On Sun, May 04, 2014 at 11:21:47PM -0500, Maxime Ripard wrote:
> On Fri, May 02, 2014 at 10:40:48AM -0700, Mark Brown wrote:
> > > i2c-dev works great in these cases, because you always have access to
> > > all the bus, and all the devices, except if the device is already used
> > > by someone. The patch I suggested is an attempt to mimic this.
> > It seems better to implement something like this at the device model
> > level, provide a way to have a default UIO driver for anything on a
> > given bus. I don't see anything bus specific apart from saying what the
> > default driver to use is and it avoids the icky code fiddling about with
> > what devices are bound and the races that might be involved duplicated
> > in individual buses.
> Hmmm, yes, that's probably a great long-term way of dealing with this,
> but I don't see it happening soon.
Isn't the code in the patch that started this thread roughly what's
needed, just done in a SPI specific way instead of a generic way?
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next prev parent reply other threads:[~2014-05-06 0:57 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-28 17:22 [PATCH] spi: Force the registration of the spidev devices Maxime Ripard
2014-04-28 17:22 ` Maxime Ripard
2014-04-29 18:37 ` Mark Brown
2014-04-29 18:37 ` Mark Brown
[not found] ` <20140429183758.GH15125-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2014-04-29 21:31 ` Martin Sperl
[not found] ` <24BF05CB-35FF-42E8-BE5C-A5E4E3D0C52A-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org>
2014-04-30 18:14 ` Maxime Ripard
2014-04-30 20:00 ` Martin Sperl
[not found] ` <DA3907EB-0C1B-42FB-B288-9E33F6E24E3E-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org>
2014-04-30 22:19 ` Maxime Ripard
2014-05-01 1:21 ` Mark Brown
2014-04-30 18:06 ` Maxime Ripard
2014-04-30 18:06 ` Maxime Ripard
2014-05-01 1:18 ` Mark Brown
2014-05-01 1:18 ` Mark Brown
2014-05-01 22:36 ` Maxime Ripard
2014-05-01 22:36 ` Maxime Ripard
2014-05-01 23:28 ` Geert Uytterhoeven
2014-05-02 16:55 ` Mark Brown
2014-05-02 16:55 ` Mark Brown
2014-05-05 4:17 ` Maxime Ripard
2014-05-05 7:10 ` Geert Uytterhoeven
2014-05-05 13:57 ` Alexandre Belloni
2014-05-05 13:57 ` Alexandre Belloni
2014-05-05 14:22 ` Geert Uytterhoeven
2014-05-05 14:22 ` Geert Uytterhoeven
2014-05-05 19:16 ` Mark Brown
2014-05-02 17:40 ` Mark Brown
2014-05-02 17:40 ` Mark Brown
2014-05-05 4:21 ` Maxime Ripard
2014-05-05 19:17 ` Mark Brown [this message]
2014-05-05 19:17 ` Mark Brown
2014-05-08 2:22 ` Maxime Ripard
2014-05-08 2:22 ` Maxime Ripard
2015-05-12 20:33 Maxime Ripard
2015-05-12 20:33 ` Maxime Ripard
2015-05-13 11:26 ` Mark Brown
2015-05-13 11:26 ` Mark Brown
2015-05-13 12:35 ` Michal Suchanek
2015-05-13 12:35 ` Michal Suchanek
2015-05-13 12:51 ` Maxime Ripard
2015-05-13 12:51 ` Maxime Ripard
2015-05-13 14:36 ` Mark Brown
2015-05-13 14:36 ` Mark Brown
2015-05-13 15:31 ` Michal Suchanek
2015-05-13 15:31 ` Michal Suchanek
2015-05-13 17:43 ` Mark Brown
2015-05-13 17:43 ` Mark Brown
2015-05-13 19:09 ` Maxime Ripard
2015-05-13 19:10 ` Geert Uytterhoeven
2015-05-13 19:10 ` Geert Uytterhoeven
2015-05-13 19:41 ` Maxime Ripard
2015-05-13 19:41 ` Maxime Ripard
2015-05-13 15:37 ` Greg Kroah-Hartman
2015-05-13 15:37 ` Greg Kroah-Hartman
2015-05-13 15:52 ` Michal Suchanek
2015-05-13 15:52 ` Michal Suchanek
2015-05-13 17:13 ` Mark Brown
2015-05-13 17:13 ` Mark Brown
2015-05-13 17:20 ` Greg Kroah-Hartman
2015-05-13 17:20 ` Greg Kroah-Hartman
2015-05-13 17:39 ` Mark Brown
2015-05-13 17:39 ` Mark Brown
2015-05-13 18:16 ` Greg Kroah-Hartman
2015-05-13 18:16 ` Greg Kroah-Hartman
2015-05-13 18:32 ` Mark Brown
2015-05-13 18:36 ` Greg Kroah-Hartman
2015-05-13 18:36 ` Greg Kroah-Hartman
2015-05-13 18:51 ` Mark Brown
2015-05-13 18:51 ` Mark Brown
2015-05-13 19:17 ` Maxime Ripard
2015-05-13 19:17 ` Maxime Ripard
2015-05-13 17:50 ` Maxime Ripard
2015-05-13 17:50 ` Maxime Ripard
2015-05-13 18:12 ` Mark Brown
2015-05-13 18:17 ` Greg Kroah-Hartman
2015-05-13 18:17 ` Greg Kroah-Hartman
2015-05-13 19:23 ` Geert Uytterhoeven
2015-05-13 19:23 ` Geert Uytterhoeven
2015-05-13 19:26 ` Maxime Ripard
2015-05-13 19:26 ` Maxime Ripard
2015-05-13 22:33 ` Greg Kroah-Hartman
2015-05-13 22:33 ` Greg Kroah-Hartman
2015-05-14 14:34 ` Mark Brown
2015-05-14 14:34 ` Mark Brown
2015-05-15 8:09 ` Maxime Ripard
2015-07-15 6:27 ` Lucas De Marchi
2015-07-15 6:27 ` Lucas De Marchi
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