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=-13.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 0F810C4361B for ; Fri, 18 Dec 2020 21:41:23 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 8461C23B54 for ; Fri, 18 Dec 2020 21:41:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8461C23B54 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bewilderbeest.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding: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:Cc:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=evYKw5LfucYjuEOtxtRVuchNRy8DhZt6/aWS8n/x6aU=; b=sP4rsLRmy2EyhENqW3myAK5zW b/fjtZtimO3FLrC7ZBJlyVzhCK2FJBbzp+1ECz5PuqVLhYptH6SGdkjAJnsPSTk0In272ml02BoXq E7u2iQob0kW06+WTRKKCLVxRQS4ELAVmmIx7ZDW2K5ZtMDIN7IPfqCadEYZExov65K+WTT5gjaswP HC7dcsOIlaOIvpbD/rAIqjZibmDKAgXT6rfNk1rFIslEbeq8EFWEbVt+rumvILuhauTIfwQfQBqW+ 4yqOQc+/hRYHnuP2ZBnoTBW171dhzRpwfy/58mI9woWThBsETcKip8cThl70YICWzb8z7QCYQFle/ ty6DdXVjg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kqNTu-0008Dj-3f; Fri, 18 Dec 2020 21:40:10 +0000 Received: from thorn.bewilderbeest.net ([2605:2700:0:5::4713:9cab]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kqNTr-0008Cx-Dh for linux-arm-kernel@lists.infradead.org; Fri, 18 Dec 2020 21:40:08 +0000 Received: from hatter.bewilderbeest.net (unknown [IPv6:2600:6c44:7f:ba20:1c66:ab2d:5a3:5a9e]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: zev) by thorn.bewilderbeest.net (Postfix) with ESMTPSA id 83B2D806F6; Fri, 18 Dec 2020 13:39:58 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 thorn.bewilderbeest.net 83B2D806F6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bewilderbeest.net; s=thorn; t=1608327599; bh=7KDDxCCO+v3IMSIe1/eQbnfr4znZ5/RhUgO2QP29+Lw=; h=Date:From:To:Subject:References:In-Reply-To:From; b=Y2xXOPH70HPeqCRf7VyS9Yz2NbZb37qE04ft2L2T9T+jNtqOY4WS5kii82B1RkIK8 JkaT0oZyTquQbjgA1fr2LhtFMeb/Sj9oxubkEsbGBA380Sw8m/mDiQB/0FPmysnMBm PK4GEhHllhwlueZPV5bEoyf5L2u8seUeI/0vB+qo= Date: Fri, 18 Dec 2020 15:39:52 -0600 From: Zev Weiss To: Brendan Higgins , Benjamin Herrenschmidt , Joel Stanley , Andrew Jeffery , linux-i2c@vger.kernel.org, openbmc@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] i2c: aspeed: disable additional device addresses on ast2[56]xx Message-ID: <20201218213952.refmqjlxdclsquzg@hatter.bewilderbeest.net> References: <20200915184525.29665-1-zev@bewilderbeest.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200915184525.29665-1-zev@bewilderbeest.net> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201218_164007_797771_A690DB29 X-CRM114-Status: GOOD ( 10.40 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Sep 15, 2020 at 01:45:25PM CDT, Zev Weiss wrote: >The ast25xx and ast26xx have, respectively, two and three configurable >slave device addresses to the ast24xx's one. We only support using >one at a time, but the others may come up in an indeterminate state >depending on hardware/bootloader behavior, so we need to make sure we >disable them so as to avoid ending up with phantom devices on the bus. > >Signed-off-by: Zev Weiss >--- > drivers/i2c/busses/i2c-aspeed.c | 50 +++++++++++++++++++++++++++------ > 1 file changed, 41 insertions(+), 9 deletions(-) > > Ping...any thoughts on this patch? Thanks, Zev _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel