From nobody Wed Apr 24 00:42:15 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org ARC-Seal: i=1; a=rsa-sha256; t=1617378696; cv=none; d=zohomail.com; s=zohoarc; b=MfiB7hBpH4bdEShUB1Va9ZFUQqnjp0XoMVzKN468jhcYFsmPazef5zB0ogzJkss2GoZlXslj3cqiHdnOXk981GdvxLVu1nYLplxxi2U6KsQXgrDTsslBibpe5PlMahDGHfDqIggLmmpLexYvFeX73jTaejvGXCIU6l+2kDc1B/M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1617378696; h=Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:Message-ID:Sender:Subject:To; bh=96ZKz1XmVWDUX9O90srYP7TKBuT4+NLELAxUsP7ryl8=; b=X8e9lAq1BPv90er2RFlI/qQFcxyj+W1u8uS7l7ZUc6vNg10nOnPAJh9G9k44WA6BQ3TDkzcbBUj3iKrPKRK//zwxZ4iSRYTHjz55YKuHCSUMdHFCw6ibkicBH1cOTz+WzygnVoOFOMNh/HrEF00KhSjEVJjmZQcY2wRIx1VAR6M= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1617378696910293.8226322468994; Fri, 2 Apr 2021 08:51:36 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.104905.200925 (Exim 4.92) (envelope-from ) id 1lSM4l-0007GX-Tl; Fri, 02 Apr 2021 15:51:11 +0000 Received: by outflank-mailman (output) from mailman id 104905.200925; Fri, 02 Apr 2021 15:51:11 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lSM4l-0007GQ-Qc; Fri, 02 Apr 2021 15:51:11 +0000 Received: by outflank-mailman (input) for mailman id 104905; Fri, 02 Apr 2021 15:51:11 +0000 Received: from mail.xenproject.org ([104.130.215.37]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lSM4k-0007GL-Rs for xen-devel@lists.xenproject.org; Fri, 02 Apr 2021 15:51:10 +0000 Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lSM4k-0000dr-G1; Fri, 02 Apr 2021 15:51:10 +0000 Received: from 54-240-197-235.amazon.com ([54.240.197.235] helo=ufe34d9ed68d054.ant.amazon.com) by xenbits.xenproject.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lSM4k-0007En-4r; Fri, 02 Apr 2021 15:51:10 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version 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=Message-Id:Date:Subject:Cc:To:From; bh=96ZKz1XmVWDUX9O90srYP7TKBuT4+NLELAxUsP7ryl8=; b=R4hgIoOsFE7yXyA2OwciAkNIAM JOsokbamE5Wb/jU0E4TABqEXBTjR3KJMCyLKaSuKiOUaZlExQin/Uf04QYirrtLJbNs9xv3ohN1mv j9fF0TE7/Cz4Lg2kYmRaPBXDiJY2zMj8SlRnE3SoZM4qyefXe14SJ8Wcnaboog22DjBY=; From: Julien Grall To: xen-devel@lists.xenproject.org Cc: bertrand.marquis@arm.com, Julien Grall , Stefano Stabellini , Julien Grall , Volodymyr Babchuk Subject: [PATCH v2] xen/iommu: smmu: Silence clang in arm_smmu_device_dt_probe() Date: Fri, 2 Apr 2021 16:51:06 +0100 Message-Id: <20210402155106.15486-1-julien@xen.org> X-Mailer: git-send-email 2.17.1 X-ZohoMail-DKIM: pass (identity @xen.org) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Julien Grall Clang 11 will throw the following error: smmu.c:2284:18: error: cast to smaller integer type 'enum arm_smmu_arch_ver= sion' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast] smmu->version =3D (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 --- Changes in v2: - Cast to (uintptr_t) rather than introduce separate pointer (requested by Andrew). Only build tested --- xen/drivers/passthrough/arm/smmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/drivers/passthrough/arm/smmu.c b/xen/drivers/passthrough/a= rm/smmu.c index 20ac672e91b6..fab7be8b48bb 100644 --- a/xen/drivers/passthrough/arm/smmu.c +++ b/xen/drivers/passthrough/arm/smmu.c @@ -2382,7 +2382,7 @@ static int arm_smmu_device_dt_probe(struct platform_d= evice *pdev) smmu->dev =3D dev; =20 of_id =3D of_match_node(arm_smmu_of_match, dev->of_node); - smmu->version =3D (enum arm_smmu_arch_version)of_id->data; + smmu->version =3D (enum arm_smmu_arch_version)(uintptr_t)of_id->data; =20 res =3D platform_get_resource(pdev, IORESOURCE_MEM, 0); smmu->base =3D devm_ioremap_resource(dev, res); --=20 2.17.1