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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 8D313C3815B for ; Mon, 20 Apr 2020 14:36:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5DD1320735 for ; Mon, 20 Apr 2020 14:36:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kmBZa/DS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729157AbgDTOga (ORCPT ); Mon, 20 Apr 2020 10:36:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1729140AbgDTOga (ORCPT ); Mon, 20 Apr 2020 10:36:30 -0400 Received: from mail-pl1-x642.google.com (mail-pl1-x642.google.com [IPv6:2607:f8b0:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E808C061A0C for ; Mon, 20 Apr 2020 07:36:30 -0700 (PDT) Received: by mail-pl1-x642.google.com with SMTP id z6so4007360plk.10 for ; Mon, 20 Apr 2020 07:36:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=HGCNmU952CXP2pdvOvFnhVNp8DP/1u6iWG8z0zqRmqU=; b=kmBZa/DSevRlnFdWzIurfy4Nsa1EllA2lbGALf+9XFmwgKaXhqzYePE3nDDZBzT06Y sd6pGaGjPdrsBNtKYCtITE9NFEiyCFDLBFp6dy/xuzWxAmzCH3wSkuXKYG/3ugNxVHFT 3DKzUA/HrkIvTAXHg4xBNRYAbSoh2cgtXsAFODShoiBCkwgEjXxM6Y+/77n2mhWacgN/ sL0VJt8lbp92mOMnpxQMg0DuCZkSk8z//huMGexAvRTllMi7We7XVXCj8GJYPNcPL86t MRnfsNnGgBlRLjJyPNXBe66kRDOZ5A1Sehhp8YAaN2shcoyvlrnRh2BIDMeXTdl+u8eC 1drg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=HGCNmU952CXP2pdvOvFnhVNp8DP/1u6iWG8z0zqRmqU=; b=oocMeCXhycVPWO9EKRQa+P/ThP6aNMbShL9Nq9+7A0qjSxg0cjcz6Z9jM2mscvEq6E lXOmWbM31gGbMtLK7KaZ4bG6m7bca/8QcEi3R/THC8n2MoSoIFZIw6jb3CgwgqadSuov 1ZlX58ZMsQvp/UUlnEJArNOMIOIHLNDbNicmvDpwy3Z9wSo7olbisgVnsNxkL3671YIj ugBUDRyvjUJn408XMsppnqzvRBA3FBwuc4XxFBaGjjvRDcDVAdTsE0yJNQ+II80YB9iV 8/Uh02GToXIpKUVhUEMiriI701naP4DTil4lNrmJ5IGwqmnUKz8ompbfFrL2gfL17qxw bTpA== X-Gm-Message-State: AGi0Pua3dyBs7na3PWz9bdS/2HUuYQfFPOYbWAyWn35Ho+tVHqLRKqlp 7FoA4L9/Qc6eiGH0ZZ0Xtz4= X-Google-Smtp-Source: APiQypKOiUhdlEwdgQVgN48u3hQq1291g1HbN0QBZqdZWlhk6F6D+6fvatsNwHy+VEOJquOo2JtBjQ== X-Received: by 2002:a17:902:7b96:: with SMTP id w22mr17451702pll.10.1587393390148; Mon, 20 Apr 2020 07:36:30 -0700 (PDT) Received: from localhost (89.208.244.140.16clouds.com. [89.208.244.140]) by smtp.gmail.com with ESMTPSA id 198sm1247725pfa.87.2020.04.20.07.36.29 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 20 Apr 2020 07:36:29 -0700 (PDT) Date: Mon, 20 Apr 2020 22:36:25 +0800 From: Dejin Zheng To: Wolfram Sang Cc: Andy Shevchenko , kbuild test robot , linux-i2c , lkp@lists.01.org Subject: Re: [PATCH v1] i2c: busses: convert to devm_platform_get_and_ioremap_resource Message-ID: <20200420143625.GB10880@nuc8i5> References: <20200414134827.18674-1-zhengdejin5@gmail.com> <20200415102158.GH1141@ninjato> <20200415160757.GC17519@nuc8i5> <20200418040653.GA7120@nuc8i5> <20200419163600.GA19772@nuc8i5> <20200420094319.GA2094@ninjato> <20200420095715.GB2094@ninjato> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200420095715.GB2094@ninjato> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org On Mon, Apr 20, 2020 at 11:57:15AM +0200, Wolfram Sang wrote: > > > > > 6. Fix ioremap(..., 0) [size = 0] across architectures, now some return NULL, > > > > some return address, some may even have leaks > > > > > > This sounds more useful to me. Would be great if you have interest. > > > > But it much more advanced :-) Complete dive into the kernel guts. > > Well, learning by doing :) Dejin seems interested... > I do my best to try, Thank you all for your encouragement and help. BR, Dejin