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From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Mark Brown <broonie@kernel.org>
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: Wed, 7 May 2014 21:22:33 -0500	[thread overview]
Message-ID: <20140508022233.GF7047@lukather> (raw)
In-Reply-To: <20140505191723.GK22111@sirena.org.uk>

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On Mon, May 05, 2014 at 12:17:23PM -0700, Mark Brown wrote:
> 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?

Hmmm, I think I get your point now. Yes, we could do it. Let me find
some time to actually write something :)

Thanks,
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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  reply	other threads:[~2014-05-08  2:25 UTC|newest]

Thread overview: 45+ 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
2014-04-29 18:37 ` Mark Brown
2014-04-30 18:06   ` Maxime Ripard
2014-05-01  1:18     ` Mark Brown
2014-05-01 22:36       ` Maxime Ripard
2014-05-01 23:28         ` Geert Uytterhoeven
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 14:22                 ` Geert Uytterhoeven
2014-05-05 19:16               ` Mark Brown
2014-05-02 17:40         ` Mark Brown
2014-05-05  4:21           ` Maxime Ripard
2014-05-05 19:17             ` Mark Brown
2014-05-08  2:22               ` Maxime Ripard [this message]
  -- strict thread matches above, loose matches on Subject: below --
2015-05-12 20:33 Maxime Ripard
2015-05-13 11:26 ` Mark Brown
2015-05-13 12:35   ` Michal Suchanek
2015-05-13 12:51   ` Maxime Ripard
2015-05-13 14:36     ` Mark Brown
2015-05-13 15:31       ` Michal Suchanek
2015-05-13 17:43         ` Mark Brown
2015-05-13 19:09       ` Maxime Ripard
2015-05-13 19:10     ` Geert Uytterhoeven
2015-05-13 19:41       ` Maxime Ripard
2015-05-13 15:37   ` Greg Kroah-Hartman
2015-05-13 15:52     ` Michal Suchanek
2015-05-13 17:13     ` Mark Brown
2015-05-13 17:20       ` Greg Kroah-Hartman
2015-05-13 17:39         ` Mark Brown
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 18:51                 ` Mark Brown
2015-05-13 19:17                   ` 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 19:23         ` Geert Uytterhoeven
2015-05-13 19:26         ` Maxime Ripard
2015-05-13 22:33           ` Greg Kroah-Hartman
2015-05-14 14:34             ` Mark Brown
2015-05-15  8:09             ` Maxime Ripard
2015-07-15  6:27             ` Lucas De Marchi

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