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=-12.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 A168CC433ED for ; Tue, 13 Apr 2021 17:59:10 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 540B5613B6 for ; Tue, 13 Apr 2021 17:59:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 540B5613B6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xen.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.110063.210066 (Exim 4.92) (envelope-from ) id 1lWNJR-0005gC-KP; Tue, 13 Apr 2021 17:58:57 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 110063.210066; Tue, 13 Apr 2021 17:58:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lWNJR-0005g5-Gt; Tue, 13 Apr 2021 17:58:57 +0000 Received: by outflank-mailman (input) for mailman id 110063; Tue, 13 Apr 2021 17:58:56 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lWNJQ-0005g0-B5 for xen-devel@lists.xenproject.org; Tue, 13 Apr 2021 17:58:56 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lWNJO-0000hl-Tv; Tue, 13 Apr 2021 17:58:54 +0000 Received: from [54.239.6.185] (helo=a483e7b01a66.ant.amazon.com) by xenbits.xenproject.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1lWNJO-0001sR-Lx; Tue, 13 Apr 2021 17:58:54 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=xen.org; s=20200302mail; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:Cc:To:Subject; bh=uraZtCIEPhYLj2MqBtUg/XPqVnfYvBnV2LZ70VN7og0=; b=bR2Wa00gkIMH5nCsyHF1VEXsOg Cb42HwsIi9DGgsdgfHmlYRCxjpDk+lw1lqnGo3begnoGHAU5CodekxmY1lfkdAH4lvnGDILQ10lG3 rWic8nu9+TpwWytNBfJxa671cAZzeH4cgPrb8G7DMpIyC4eOrMfzKtozjmjy0nsTC1kU=; Subject: Re: [PATCH v2] xen/iommu: smmu: Silence clang in arm_smmu_device_dt_probe() To: Stefano Stabellini Cc: xen-devel@lists.xenproject.org, bertrand.marquis@arm.com, Julien Grall , Volodymyr Babchuk References: <20210402155106.15486-1-julien@xen.org> From: Julien Grall Message-ID: <022a088a-b4ed-2d37-97bf-edd580b4389f@xen.org> Date: Tue, 13 Apr 2021 18:58:53 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Hi Stefano, On 06/04/2021 23:02, Stefano Stabellini wrote: > On Fri, 2 Apr 2021, Julien Grall wrote: >> From: Julien Grall >> >> Clang 11 will throw the following error: >> >> smmu.c:2284:18: error: cast to smaller integer type 'enum arm_smmu_arch_version' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast] >> smmu->version = (enum arm_smmu_arch_version)of_id->data; >> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> >> The error can be prevented by initially casting to (uintptr_t) and then >> enum. >> >> Signed-off-by: Julien Grall > > Acked-by: Stefano Stabellini Thanks! I have committed the patch. Cheers, -- Julien Grall