From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Kroah-Hartman Subject: Re: [PATCH] spi: Force the registration of the spidev devices Date: Wed, 13 May 2015 11:16:31 -0700 Message-ID: <20150513181631.GB16811@kroah.com> References: <1431462804-30467-1-git-send-email-maxime.ripard@free-electrons.com> <20150513112604.GI3066@sirena.org.uk> <20150513153740.GC11677@kroah.com> <20150513171300.GD2761@sirena.org.uk> <20150513172028.GA18303@kroah.com> <20150513173922.GF2761@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Maxime Ripard , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Hans de Goede , linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Martin Sperl , Michal Suchanek To: Mark Brown Return-path: Content-Disposition: inline In-Reply-To: <20150513173922.GF2761-GFdadSzt00ze9xe1eoZjHA@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: On Wed, May 13, 2015 at 06:39:22PM +0100, Mark Brown wrote: > 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. It should "just work" for all busses, but if you want to add a "new_id" sysfs file, you need to add the logic for that to your bus. It's the bind/unbind files in the driver directories. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html