From patchwork Thu Sep 19 21:59:03 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Russell King X-Patchwork-Id: 2918391 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8DD339F1F1 for ; Fri, 20 Sep 2013 12:48:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6867E20318 for ; Fri, 20 Sep 2013 12:48:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 49A4D20308 for ; Fri, 20 Sep 2013 12:48:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754583Ab3ITMs0 (ORCPT ); Fri, 20 Sep 2013 08:48:26 -0400 Received: from caramon.arm.linux.org.uk ([78.32.30.218]:39522 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753746Ab3ITMsZ (ORCPT ); Fri, 20 Sep 2013 08:48:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=arm.linux.org.uk; s=caramon; h=Date:Sender:Message-Id:Subject:To:From:References:In-Reply-To; bh=krK/BC8iqiu5JzqLWKm250BW7f+QIOnrTfKnEoVNOFQ=; b=ReQCrhjMfBA3DBovurYYiQ7VrYZgJFYxLouoTEIQ8GGpTgIx8N2FWUKr0TeiiD02SofRGRcfHlKTSFR4t4YGgUeqIX28ugF4wsrQ0iYQ//HnyHiFvbZRbjFUt3WTadjOmFCrDmq8D2DAlhUD9yCErXQGTRr6DtuEavV2FQqUs4A=; Received: from e0022681537dd.dyn.arm.linux.org.uk ([2002:4e20:1eda:1:222:68ff:fe15:37dd]:59166 helo=rmk-PC.arm.linux.org.uk) by caramon.arm.linux.org.uk with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (envelope-from ) id 1VMnLK-0000qF-0m; Fri, 20 Sep 2013 00:09:02 +0100 Received: from rmk by rmk-PC.arm.linux.org.uk with local (Exim 4.76) (envelope-from ) id 1VMmFb-0007jO-50; Thu, 19 Sep 2013 22:59:03 +0100 In-Reply-To: <20130919212235.GD12758@n2100.arm.linux.org.uk> References: <20130919212235.GD12758@n2100.arm.linux.org.uk> From: Russell King To: alsa-devel@alsa-project.org, b43-dev@lists.infradead.org, devel@driverdev.osuosl.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, e1000-devel@lists.sourceforge.net, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-doc@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-ide@vger.kernel.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-nvme@lists.infradead.org, linux-omap@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-samsung-soc@vger.kernel.org, linux-scsi@vger.kernel.org, linux-tegra@vger.kernel.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, Solarflare linux maintainers , uclinux-dist-devel@blackfin.uclinux.org Subject: [PATCH 34/51] DMA-API: net: octeon: use dma_coerce_mask_and_coherent() Message-Id: Date: Thu, 19 Sep 2013 22:59:03 +0100 Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Spam-Status: No, score=-3.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, KHOP_BIG_TO_CC,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The code sequence: pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64); pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; bypasses the architectures check on the DMA mask. It can be replaced with dma_coerce_mask_and_coherent(), avoiding the direct initialization of this mask. Signed-off-by: Russell King --- drivers/net/ethernet/octeon/octeon_mgmt.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/octeon/octeon_mgmt.c b/drivers/net/ethernet/octeon/octeon_mgmt.c index 622aa75..2006a07 100644 --- a/drivers/net/ethernet/octeon/octeon_mgmt.c +++ b/drivers/net/ethernet/octeon/octeon_mgmt.c @@ -1552,8 +1552,9 @@ static int octeon_mgmt_probe(struct platform_device *pdev) p->phy_np = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0); - pdev->dev.coherent_dma_mask = DMA_BIT_MASK(64); - pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; + result = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (result) + goto err; netif_carrier_off(netdev); result = register_netdev(netdev);