From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank Rowand Subject: Re: [PATCH] devicetree - document using aliases to set spi bus number. Date: Tue, 24 May 2016 17:18:38 -0700 Message-ID: <5744EF5E.5070607@gmail.com> References: <1464107960-10775-1-git-send-email-christer@weinigel.se> <20160524172045.GN8206@sirena.org.uk> <57449784.4070108@weinigel.se> <20160524183256.GP8206@sirena.org.uk> <5744E51A.1040506@gmail.com> Reply-To: frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5744E51A.1040506-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mark Brown Cc: Christer Weinigel , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On 5/24/2016 4:34 PM, Frank Rowand wrote: > On 5/24/2016 11:32 AM, Mark Brown wrote: >> On Tue, May 24, 2016 at 08:03:48PM +0200, Christer Weinigel wrote: >>> On 05/24/2016 07:20 PM, Mark Brown wrote: >> >>>> I'm not sure this is something we want to support at all, I can't >>>> immediately see anything that does this deliberately in the SPI >>>> code and obviously the "bus number" is something of a Linux >>>> specific concept which would need some explanation if we were going >>>> to document it. It's something I'm struggling a bit to see a >>>> robust use case for that isn't better served by parsing sysfs, >>>> what's the goal here? >> >>> If this isn't something that should be in the Documentation/devicetree >>> because it's not generig enough, where should Linux-specific >>> interpretations such as this be documented? >> >> I'm not clear that we want to document this at all since I am not clear >> that there is a sensible use case for doing it. I did ask for one but >> you've not articulated one in this reply. I am much less gung ho than >> Grant on this one, even as a Linux specific interface it seems very >> legacy. >> > > The time for the use case was when the patch was accepted. I phrased that sentence poorly. A more clear wording is: The time for the use case was when the source code patch was accepted (commit bb29785e0d6d150181704be2efcc3141044625e2). > > It is in the kernel, it is appropriate to document it. > > -Frank > -- 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