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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id l20sm6204181otp.47.2019.01.21.16.19.18 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 21 Jan 2019 16:19:18 -0800 (PST) Date: Mon, 21 Jan 2019 18:19:17 -0600 From: Rob Herring To: Chen-Yu Tsai Subject: Re: [PATCH 1/3] media: dt: bindings: sunxi-ir: Add A64 compatible Message-ID: <20190122001917.GA31407@bogus> References: <20190111173015.12119-1-jernej.skrabec@siol.net> <20190111173015.12119-2-jernej.skrabec@siol.net> <20190121095014.b6iq5dubfi7x2pi4@flea> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190121_161920_244203_2665B0E2 X-CRM114-Status: GOOD ( 25.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree , Jernej Skrabec , Maxime Ripard , linux-kernel , linux-sunxi , Mauro Carvalho Chehab , linux-arm-kernel , Linux Media Mailing List Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jan 21, 2019 at 05:57:57PM +0800, Chen-Yu Tsai wrote: > On Mon, Jan 21, 2019 at 5:50 PM Maxime Ripard wrote: > > > > Hi, > > > > I'm a bit late to the party, sorry for that. > > > > On Sat, Jan 12, 2019 at 09:56:11AM +0800, Chen-Yu Tsai wrote: > > > On Sat, Jan 12, 2019 at 1:30 AM Jernej Skrabec wrote: > > > > > > > > A64 IR is compatible with A13, so add A64 compatible with A13 as a > > > > fallback. > > > > > > We ask people to add the SoC-specific compatible as a contigency, > > > in case things turn out to be not so "compatible". > > > > > > To be consistent with all the other SoCs and other peripherals, > > > unless you already spotted a "compatible" difference in the > > > hardware, i.e. the hardware isn't completely the same, this > > > patch isn't needed. On the other hand, if you did, please mention > > > the differences in the commit log. > > > > Even if we don't spot things, since we have the stable DT now, if we > > ever had that compatible in the DT from day 1, it's much easier to > > deal with. > > > > I'd really like to have that pattern for all the IPs even if we didn't > > spot any issue, since we can't really say that the datasheet are > > complete, and one can always make a mistake and overlook something. > > > > I'm fine with this version, and can apply it as is if we all agree. > > I'm OK with having the fallback compatible. I'm just pointing out > that there are and will be a whole bunch of them, and we don't need > to document all of them unless we are actually doing something to > support them. Yes, you do. Otherwise, how will we validate what is and isn't a valid set of compatible strings? It's not required yet, but bindings are moving to json-schema. Rob _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel