From patchwork Mon Feb 19 23:08:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Lechner X-Patchwork-Id: 10229433 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BCB9D60392 for ; Tue, 20 Feb 2018 05:41:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ACF7F283C3 for ; Tue, 20 Feb 2018 05:41:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A1BC1283C8; Tue, 20 Feb 2018 05:41:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 402E1283C3 for ; Tue, 20 Feb 2018 05:41:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C87E76E2F8; Tue, 20 Feb 2018 05:40:27 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from vern.gendns.com (vern.gendns.com [206.190.152.46]) by gabe.freedesktop.org (Postfix) with ESMTPS id 46F566E08D for ; Mon, 19 Feb 2018 23:08:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lechnology.com; s=default; h=Message-Id:Date:Subject:Cc:To:From:Sender: Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=R71vSvuttlSr0qGBoWN1b9Od1mWLz4ZEREQKed5Eps8=; b=b9fRAIYP+RrPWP8zlU+HqgPw9b zVpQBuvuEU5enUG3iNTxvXK0ZxJwidPsyra36gBT4RD+hpJe+XktCNnofP6H3UI3AzKbZQ4/5XkDm tKd1lLAWTKfj+cFK8y45xGCHMLwZMkIJkXVJ3MqvGks9jYCWWZ4N9XcFbI9VtYf3BxDk+8XdswGSb RfJ92bD7U2Dl8KjexQ2VwfSQ+Qg7hubVIoeW1vbJHue4c4ObIEvyd3/yU1T2iWCQVrkzwVSs0DMs8 p2qBUiDcb1IvKUoGA9VDrijKTQZtRVUy8wgU08pTIcFFjnV9BWFiUODhb7vnJJ3IfYBlgBfHdrApl 5bx/tXqw==; Received: from 108-198-5-147.lightspeed.okcbok.sbcglobal.net ([108.198.5.147]:50922 helo=freyr.lechnology.com) by vern.gendns.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-SHA256:128) (Exim 4.89_1) (envelope-from ) id 1enuWv-004Lly-OB; Mon, 19 Feb 2018 18:07:29 -0500 From: David Lechner To: dri-devel@lists.freedesktop.org Subject: [PATCH v2] drm: drm_memory: fix compiler warning on 32-bit targets Date: Mon, 19 Feb 2018 17:08:54 -0600 Message-Id: <1519081734-16572-1-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - lists.freedesktop.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Lechner , =?UTF-8?q?Michel=20D=C3=A4nzer?= , Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= , Monk Liu MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP The end field of struct resource is resource_size_t, so on 32-bit targets, this is a 32-bit value. This results in a compiler warning of "warning: comparison of distinct pointer types lacks a cast". Fix it by making max_iomem resource_size_t to match the end field. Fixes: (82626363a217 "drm: add func to get max iomem address v2") Signed-off-by: David Lechner Reviewed-by: Thierry Reding --- drivers/gpu/drm/drm_memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_memory.c b/drivers/gpu/drm/drm_memory.c index 7ca500b..3c54044 100644 --- a/drivers/gpu/drm/drm_memory.c +++ b/drivers/gpu/drm/drm_memory.c @@ -153,7 +153,7 @@ EXPORT_SYMBOL(drm_legacy_ioremapfree); u64 drm_get_max_iomem(void) { struct resource *tmp; - u64 max_iomem = 0; + resource_size_t max_iomem = 0; for (tmp = iomem_resource.child; tmp; tmp = tmp->sibling) { max_iomem = max(max_iomem, tmp->end);