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[2620:137:e000::1:20]) by mx.google.com with ESMTP id c20-20020a6566d4000000b00543a6ba4a98si2532059pgw.228.2023.06.09.03.05.42; Fri, 09 Jun 2023 03:05:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=LocausrQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241754AbjFIJlF (ORCPT + 99 others); Fri, 9 Jun 2023 05:41:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242087AbjFIJkZ (ORCPT ); Fri, 9 Jun 2023 05:40:25 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E79749EB; Fri, 9 Jun 2023 02:35:29 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6EE7565601; Fri, 9 Jun 2023 09:34:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78341C433EF; Fri, 9 Jun 2023 09:34:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1686303263; bh=ZR3MdKdRrMCqf1CdxP5r4I764sOlFGDXjTuTAXUuEcI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LocausrQ/ylY9MspZ3g3GMyPmB7derqIPsd8A6CaCVvURoYDflCz288Z00Tzbktin A0Ds7n0xEfhaP22IwEnO+i52qDkUknIREXy0xF06z4zclV1RhrWjSnnzK/VQCNGX6C Vmn7EpY813pIAen6KS0W5XAHwHwIugQKLMSVs5o4mtnsk9whc7UaJqsQwiaevzyOsS JOM+d7NEsog/mDAhTgFTnCeRTIhaWawMF5kVenq76Vn22ZybAwDUdybVDvkXWidCPI 2F2Eqz14ypR2EZYlN9iPuDlxpOd2QyKkro4j5k4XvIm+KGUyBTdLH+ZaKmprKaT9QY JgtPjKs45DFrg== Date: Fri, 9 Jun 2023 10:34:18 +0100 From: Mark Brown To: Alexander Stein Cc: Linus Walleij , Matthias Schiffer , linux-arm-kernel@lists.infradead.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux@ew.tq-group.com Subject: Re: [PATCH 1/2] spi: dt-bindings: introduce linux,use-rt-queue flag Message-ID: References: <20230602115201.415718-1-matthias.schiffer@ew.tq-group.com> <3241150.44csPzL39Z@steina-w> <4784636.LvFx2qVVIh@steina-w> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="/xKfjPLJIhW1eCkZ" Content-Disposition: inline In-Reply-To: <4784636.LvFx2qVVIh@steina-w> X-Cookie: Tom's hungry, time to eat lunch. X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --/xKfjPLJIhW1eCkZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jun 09, 2023 at 11:13:39AM +0200, Alexander Stein wrote: > Am Freitag, 9. Juni 2023, 10:42:04 CEST schrieb Linus Walleij: > > I don't think command line arguments are necessarily global by > > nature, AFAIK it's fine to invent something like pl022.4.rt_sched=3D1 > > where 4 is the instance number. Parsing it is just code. > Now we are touching the topic of non-deterministic device names/numbers. = This=20 > gets worse if your SPI controller is attached to some other device, altho= ugh=20 > RT capabilities are rather limited in that case anyway. I would use the address rather than the device number, and you could use the compatible if you're worried about a stable name for the name part. --/xKfjPLJIhW1eCkZ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmSC8hkACgkQJNaLcl1U h9Ah7QgAgny1oDjl3V8Q/owHtp1XxyvTTrkOspkcNEjTidw28fstt0EfUZVmCd+R UDaEa9OC0iWD6IUGZ9OoThHGwpj7kn03mm3YafrFN+mxpsyxflmJGbEs/zwEZzTP gNY5KpCN37j5RipBdSqAlz2t5O4LnfY23WfVGzoNXyXTq/dcnSl+I1KCK0yzxUVR OfZWHEoUZPDiy4x0qyxqXEsgUQhIJPXesfZ1BdVHWIeo4nSLKzImGGffcltsWJnM N5oUrO5fXYQFo2Ndk6Txd5JBnwdNd+uHuUJPwdMIBtxYzAGlykdt8KN6ytbcOjOS 4nRC4C4IBOOU0lsYpQlAgvBX8gQmIw== =k0PW -----END PGP SIGNATURE----- --/xKfjPLJIhW1eCkZ--