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=-7.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 BB34BC4361B for ; Sat, 12 Dec 2020 21:45:10 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4CD7221BE5 for ; Sat, 12 Dec 2020 21:45:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4CD7221BE5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 7DE896B0036; Sat, 12 Dec 2020 16:45:09 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 793126B005C; Sat, 12 Dec 2020 16:45:09 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6A6936B005D; Sat, 12 Dec 2020 16:45:09 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0217.hostedemail.com [216.40.44.217]) by kanga.kvack.org (Postfix) with ESMTP id 51A0D6B0036 for ; Sat, 12 Dec 2020 16:45:09 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 15126180AD80F for ; Sat, 12 Dec 2020 21:45:09 +0000 (UTC) X-FDA: 77585961138.30.crate82_12030fa2740c Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin30.hostedemail.com (Postfix) with ESMTP id EB2C5180B3C83 for ; Sat, 12 Dec 2020 21:45:08 +0000 (UTC) X-HE-Tag: crate82_12030fa2740c X-Filterd-Recvd-Size: 3779 Received: from mail-lf1-f43.google.com (mail-lf1-f43.google.com [209.85.167.43]) by imf04.hostedemail.com (Postfix) with ESMTP for ; Sat, 12 Dec 2020 21:45:08 +0000 (UTC) Received: by mail-lf1-f43.google.com with SMTP id y19so20527693lfa.13 for ; Sat, 12 Dec 2020 13:45:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=FmUh3lr9Sym7AthnJ9whaTtDNuGwXwqGNvZozj+NkFk=; b=TW/1LpWvpyyQ4ONWtviVxOwu30KMsGpKR+HEhb3MQ6KMgK9/eWmr26cSA7i1La5yg4 z0uy0exy/1vDlxebvfSMfgrXgqYq8qHlZ6IeYS55qkf3n4vGQYZ3j8wcdEUo6JvVl5lK CqsUutCgIAJsb3DZdPcqT8D0YWzBduMcCMNC7xl4oNT+cmLwV9mr85gbibFCq/cIeqpJ pVHaCSv8ih4w7HE9l8WWvjVHyP/7Ka9vr0acj8Qw0G5GO8MmlGHYhTCXfoAes0PQKgJP UDcVwBZu2l+U2VNpHg8FMns6KX01aHMripPZFp2Bh0+8J4IBVC/51ucS0sF9TB7AqFRj nZ2g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=FmUh3lr9Sym7AthnJ9whaTtDNuGwXwqGNvZozj+NkFk=; b=GSggHEhBACRLUX5J64B1Cgf+xmUcRrmRaZTUQ4vUnx2l+CrgX9JZu0Fl4WAG4kJecD x9dsNamwkAWvXa2Y9yuDcX1hfc6rhVjwiGt6a9CjBENHUX+K8cEJs9iYp4uKitQVFGLX 62ZIpcio0d0ydUjb8XRx5BoOM8hJ+1TfFv/ZFYsx9YWZpbcEe4OrjDdpb56JZIJjH0Fo k9vn7B2aPkcnp1BtVaqEqvyTDwvSRRVaQICvNW3zwfVIZARXjbriYE5MZE7SiWQT8p/S zcHXAOWOA55H3Roxak28RN3QhNK8BmLij9gUOAuTbspUxjPCYUBSTzIWrI007YcY33u9 FZRA== X-Gm-Message-State: AOAM532JXvOsB4/fEvxwRlu12l87t+mDYfyQLGJFywEZmxnEY+NRlvNS vFt454k2wbzocbbwAeEp/EpCRGc6lNhrjc2fBzQ= X-Google-Smtp-Source: ABdhPJx8vV2AZco629NM7cEiQ1X6EVsvvL6Zt1yuB/WoJiy4yy6rEQRCUlf3I0ebaPYp9MMV/MY28Xzyh3omRc08seA= X-Received: by 2002:a2e:b4b3:: with SMTP id q19mr7181263ljm.121.1607809506466; Sat, 12 Dec 2020 13:45:06 -0800 (PST) MIME-Version: 1.0 References: <202012112150.CCpStiwY-lkp@intel.com> <20201212200312.GA1773888@ubuntu-m3-large-x86> In-Reply-To: <20201212200312.GA1773888@ubuntu-m3-large-x86> From: Fabio Estevam Date: Sat, 12 Dec 2020 18:44:55 -0300 Message-ID: Subject: Re: [linux-next:master 6953/13205] drivers/dma/imx-dma.c:1048:20: warning: cast to smaller integer type 'enum imx_dma_type' from 'const void To: Nathan Chancellor Cc: Souptick Joarder , kernel test robot , kbuild-all@lists.01.org, clang-built-linux@googlegroups.com, Linux Memory Management List , Vinod Koul Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000005, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Nathan, On Sat, Dec 12, 2020 at 5:03 PM Nathan Chancellor wrote: > Correct. The clang developers explicitly wanted this behavior so I moved > it under a new warning that could be disabled on regular builds but show > up on W=1 in case people wanted to fix these occurrences. > > https://reviews.llvm.org/D72231 > https://github.com/ClangBuiltLinux/linux/issues/887 > 82f2bc2fcc01 ("kbuild: Disable -Wpointer-to-enum-cast") > > > Not sure how to make clang happy in this case. Thanks for the clarification. > Added a cast to unsigned long or uintptr_t before the cast to the enum > should fix it. Great, thanks. Maybe someone could send patches fixing these W=1 clang warnings for the different subsystems. Regards, Fabio Estevam