linux-kernel - Re: [PATCH] spi: Force the registration of the spidev devices

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Message-ID: <20150513173922.GF2761@sirena.org.uk>
Date:	Wed, 13 May 2015 18:39:22 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	linux-kernel@...r.kernel.org, Hans de Goede <hdegoede@...hat.com>,
	linux-spi@...r.kernel.org, Martin Sperl <kernel@...tin.sperl.org>,
	Michal Suchanek <hramrach@...il.com>
Subject: Re: [PATCH] spi: Force the registration of the spidev devices

On Wed, May 13, 2015 at 10:20:28AM -0700, Greg Kroah-Hartman wrote:
> On Wed, May 13, 2015 at 06:13:00PM +0100, Mark Brown wrote:

> > So, that was my original suggestion too but people were complaining that
> > this wasn't a generally supported feature and requires specific support
> > of some kind in the bus (which nobody posted a patch for).

> I don't understand the complaint, it's a very "generally supported
> feature" and has been there for a very long time for any bus that wants
> to use it.

So it's not something that just works for all buses and someone would
need to write a patch (hint, hint - that's one of the big blockers
here)?  It is a bit surprising to me that this would be something that
the buses would need to cope with individually since for most things the
matching mechanics are taken care of in the driver core and we're
explicitly overriding them here.

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