From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 91C442EFD91; Fri, 10 Oct 2025 18:59:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760122782; cv=none; b=rlkYO2bvG7WeYaIqKQ6tOouONoJ+SG71hEzKMvcawFrGheDzVHe7sK/Dc3QWOGwE3J1sdWCraWDpjXzAjtgbLgj96yIUdDRuj97KcBGJgU7XLPV5pd/UDWnKGipoCRliOa9Svt3yynF1eU6qtFzo6H7rcbnFj1xCX0oVp6xDGl8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760122782; c=relaxed/simple; bh=sYk5aMSZbgzMbwPbuCiskyPX36SDyxnlnzL93Z3Hx8U=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YsqoKzVYBxdXj88+4VypqvyfutTFUuVEc4VEMF9pqDdqPsfxFMsnnFrluF1O15ARyWniRUJdCvbspkVu2c7yDYvnoNpaWlNA79FuRRvfW8AutPZYU4/WZPsCfCrzLspqVOC5DrZheNC/OHiy7/0MI/5UjJ7MJXFIqJp4oGhf/P4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aAbBoqOL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aAbBoqOL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4770C4CEF1; Fri, 10 Oct 2025 18:59:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760122782; bh=sYk5aMSZbgzMbwPbuCiskyPX36SDyxnlnzL93Z3Hx8U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=aAbBoqOLzWF5nIYGCF3jaULfN5Z8H0pbTLCv/IjTM6Gd299B8zQJpW7CXm5El1rXj iuJfOS+1Cg6jIH6iHKnZmTeCbs2GSzx2yCtpp0gdXr6j1HMku/mDAarkQWmDow2Hsh VKVV/HgenrEHtChtQrtuaTsSl7d5HJhCKWS2b8ptAdBFrf7mkgLeRvuPfEg5gpQ5EZ 8HkBjSHV16j42dmgpdXvLgKVi/5O71eSJApuuY3jbzm00UhyFEuX7lWTZILJYm0aTV /nddl0q8EVqvLysUt0crqykn5+yg9kykhhYYhhL54kE3rwJa15drT+Fqk12R1rWV7J tmfbN4l/HCLaw== Date: Fri, 10 Oct 2025 13:59:40 -0500 From: Rob Herring To: Mikhail Kshevetskiy Cc: Conor Dooley , Lorenzo Bianconi , Ray Liu , Mark Brown , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Andy Shevchenko , linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, Andreas Gnau Subject: Re: [PATCH v7 16/17] dt-bindings: spi: airoha: add compatible for EN7523 Message-ID: <20251010185940.GA715991-robh@kernel.org> References: <20251010033136.1475673-1-mikhail.kshevetskiy@iopsys.eu> <20251010033136.1475673-17-mikhail.kshevetskiy@iopsys.eu> <20251010-landscape-cavity-88a963e45a6b@spud> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Fri, Oct 10, 2025 at 05:57:35PM +0300, Mikhail Kshevetskiy wrote: > On 10.10.2025 17:24, Conor Dooley wrote: > > On Fri, Oct 10, 2025 at 06:31:35AM +0300, Mikhail Kshevetskiy wrote: > >> Add dt-bindings documentation of SPI NAND controller > >> for Airoha EN7523 SoC platform. > >> > >> Signed-off-by: Mikhail Kshevetskiy > > Please explain in the commit message why these two devices are not > > compatible. > > > They are compatible (at least from the point of this driver), but >  * en7523 is an old chip destined for 32-bit OS (ARCH=arm) >  * en7581 is a much newer chip destined for 64-bit OS (ARCH=arm64) > so using of 'en7581-snand' may leads to peoples confusion. If they are confused, then that is their problem. That is how compatible works. Rob