From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: [PATCH 1/2] include: dt-binding: input: create a DT header defining key codes. Date: Thu, 8 Aug 2013 10:13:31 -0700 Message-ID: <20130808171331.GA6960@core.coreip.homeip.net> References: <1375798370-2231-1-git-send-email-ldewangan@nvidia.com> <52014E50.6030508@wwwdotorg.org> <5203D138.4030107@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <5203D138.4030107-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Laxman Dewangan Cc: Stephen Warren , Stephen Warren , "linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Ian Campbell , Rob Herring , Pawel Moll , Mark Rutland List-Id: linux-input@vger.kernel.org On Thu, Aug 08, 2013 at 10:41:20PM +0530, Laxman Dewangan wrote: > On Wednesday 07 August 2013 12:58 AM, Stephen Warren wrote: > >(CC'ing DT bindings maintainers too, hence quoting a bit of the patch) > > > >On 08/06/2013 08:12 AM, Laxman Dewangan wrote: > >>Many of Key device tree bindings uses the constant number as key code > >>which matches with kernel header key code and then comment as follows > >>for reference/better readability: > >> linux,code = <102>; /* KEY_HOME */ > >> > >>Create a DT header which defines all the key code so that DT key bindings > >>can use it as follows: > >> linux,code = ; > >This looks fine to me. > >Reviewed-by: Stephen Warren > > > >A comment in support of the patch: This is adding OS-specific content to > >the DT. However, the bindings this header file supports are already > >written that way. There's not really any alternative here, since some > >numbering scheme had to be chosen for keycodes, and it may as well be > >the same set as the first/primary OS that'll use the binding. > > > >As far as merging it, this patch should probably go through the core DT > >tree, perhaps in a topic branch so that e.g. Tegra an MVEBU can merge it > >in to apply your subsequent patches (or we can just wait until the next > >kernel release to merge them in). > > Do I need to include anyone for this patch to be applied or can go > through Dmitry's input git branch? I am uncomfortable that we are duplicating the whole list of keycodes here. Do you think we could split keycodes and other event codes from include/uapi/linux/input.h into include/uapi/linux/input-events.h and unclude it directly into DTS? Thanks. -- Dmitry