From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0EBCC2BA19 for ; Wed, 15 Apr 2020 09:47:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C27FC206D9 for ; Wed, 15 Apr 2020 09:47:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="npsJ7HPi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C27FC206D9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=the-dreams.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ycpMk1E2YzF2NM+0fTCyfLz2bx5FL/kPET7Z2g+YEiM=; b=npsJ7HPiAqvviWuUpeOZBrUfV 0HzaL8LfIo/KqBk4kBoN7P280vb0wU1YGzdG2i/PQRAj/unXSvnDXic+rKNGlnRs5xlQhKUh8EjzF jZpeU+H4JiUTi4T/POSitp6ALyrdmQMD3u4G/RbsYp/JsEQoWDINeg+FH3wTmC7XTZsL/+i0WMPml 8ntkS4XBvgoxpSRAm8fKcVQa3Bz2soT5/X1kfkNyEn9G/SFkNQvIe+V1xaOe6eNgYLQZ4Q8RzYQGT k0wklp0tVFUdVaNUqHoorxm5Hrw4oWHyU0JUCpXIBljeKABSeD4nlFZHMOtpWlaAgUa4or0wRFB3i jPGvL5ekQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jOedJ-0005oI-Uj; Wed, 15 Apr 2020 09:47:01 +0000 Received: from sauhun.de ([88.99.104.3] helo=pokefinder.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jOedH-0005nA-E4 for linux-i3c@lists.infradead.org; Wed, 15 Apr 2020 09:47:00 +0000 Received: from localhost (p54B33507.dip0.t-ipconnect.de [84.179.53.7]) by pokefinder.org (Postfix) with ESMTPSA id 5E9472C1F58; Wed, 15 Apr 2020 11:46:57 +0200 (CEST) Date: Wed, 15 Apr 2020 11:46:57 +0200 From: Wolfram Sang To: Kieran Bingham Subject: Re: [RFC PATCH v2 2/6] i2c: allow DT nodes without 'compatible' Message-ID: <20200415094656.GE1141@ninjato> References: <20200318150059.21714-1-wsa+renesas@sang-engineering.com> <20200318150059.21714-3-wsa+renesas@sang-engineering.com> <74aa4084-588f-1b6f-2256-44588c48edf6@bingham.xyz> MIME-Version: 1.0 In-Reply-To: <74aa4084-588f-1b6f-2256-44588c48edf6@bingham.xyz> 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-20200415_024659_616877_4BA44B1F X-CRM114-Status: GOOD ( 10.74 ) X-BeenThere: linux-i3c@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux I3C List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Herring , Jacopo Mondi , Niklas =?utf-8?Q?S=C3=B6derlund?= , Geert Uytterhoeven , linux-kernel@vger.kernel.org, Vladimir Zapolskiy , linux-renesas-soc@vger.kernel.org, Wolfram Sang , linux-i2c@vger.kernel.org, Luca Ceresoli , linux-i3c@lists.infradead.org, Laurent Pinchart Content-Type: multipart/mixed; boundary="===============1406786024054318606==" Sender: "linux-i3c" Errors-To: linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org --===============1406786024054318606== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="SNIs70sCzqvszXB4" Content-Disposition: inline --SNIs70sCzqvszXB4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > Sometimes, we have unknown devices in a system and still want to block > > their address. For that, we allow DT nodes with only a 'reg' property. > > These devices will be bound to the "dummy" driver but with the name > > "reserved". That way, we can distinguish them and even hand them over to > > the "dummy" driver later when they are really requested using > > i2c_new_ancillary_device(). >=20 > Oh how I long to be able to give these 'identifiable names' within the > system, but that will probably mess up all the driver matching and > binding, so would be quite tricky perhaps. I haven't found a way yet to use 'name' to give more meaningful descriptions to dummies. My best bet so far is to use additional links in sysfs. --SNIs70sCzqvszXB4 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAl6W2AwACgkQFA3kzBSg KbZ74Q//XCUnM5Uqs3MGl93+zlEkU9qid076otxKrc7nkRrR4PlkbIAd6KTkD74F ElytalAQei2cjwYeI6rj6gNh1QgIFn5Fp7VE3cmu/QGVGksVNkPlonP+gjsxbvSp j+UWFHfi5FxKDgFPdj+0N9UjqsnhLu1zOyAiLw6IXJOSd8uyEX87MWx3Ga60tzwN QlZ1B/7Yn1Ysg0Xxtxmr1xtBm+9BzJh0zlBbgSvswju+qLzAVVImbT+WeNloVilz PPoynShY7BhHHxMyPX8cXUYD6z8x2OqCDhPQn4Z+rsnq78Oqx+zLr2k/4RylC1BZ xSYjqa77r79swX/pn42ycef9pWfuS3tKnja0hFEt3FdIFTW1bJwGDsV1/Q7HFrSL +z/ZB/+6EP5oHq95lKtWyaUohGSRjZiMTi2l5EuYW6hS5RyYBYMpHWjG22EwfqK/ XiH/cPlD0FpEHem9TeiadOhH7DRKzZziLNLI9bNIL29jzQ3xu2LcPZUHp3zJvXD6 aZoRH7JYWHoyXNrbS/EbPVNW7k4Q1ebgk3oTqz//BUjzqAciLnj6ZMWgqvDGt2ig XV1SMC20tyS2NlR6gvGt2tj9y3PEnAUJMHJgIXCv9tIvCRUmBsSBO5BRuc3hc5sO +0+tMY/luasA3dfosRj5qwt46+zTB0YKYMRumDhBKmpFB1K5hvU= =XY5W -----END PGP SIGNATURE----- --SNIs70sCzqvszXB4-- --===============1406786024054318606== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c --===============1406786024054318606==--