From patchwork Thu Jun 8 13:25:26 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 9775283 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 111AA601C3 for ; Thu, 8 Jun 2017 13:47:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0334128508 for ; Thu, 8 Jun 2017 13:47:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EBE7628543; Thu, 8 Jun 2017 13:47:02 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ACAD528508 for ; Thu, 8 Jun 2017 13:47:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751506AbdFHN0Z (ORCPT ); Thu, 8 Jun 2017 09:26:25 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:51386 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751467AbdFHN0W (ORCPT ); Thu, 8 Jun 2017 09:26:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To: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:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=Upg6qmgAgoz90pdHIwlHGP0FFSKJz4qtmW6FFF27xeQ=; b=VMKLXK2URuK+YrF/PisUPTtvu i6+9BxsIC/tFnwFoJGATxdCXHQRFABE6SUwrnLb/IW+9emVzGW6CvkE2yW0kvaQOeIrc+aA16mlSi H7Jj5NKQ4cMYL9am9yJM7FzQzfgydMBYZumMxfzseK2TjTKjAmWRBqyaHKCzf/sVTSYNfLOo3Ji1n OarbEWlTi12HQZsmHx8E72+fZbuwlRSu8SuaNT+5cNjrTLn2xJpIusApxxeHTYoHp4GBcYyfNWd5H A/p62olbfZF69rIk1AlZIKDkQMxHL83jCSM/oiZqgji7RUnQ8Xdo+tNIH28tCkfOTgkPZYYWZJ6Yy vz0gmHrSQ==; Received: from clnet-p099-196.ikbnet.co.at ([83.175.99.196] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.87 #1 (Red Hat Linux)) id 1dIxS6-0004mq-Vm; Thu, 08 Jun 2017 13:26:20 +0000 From: Christoph Hellwig To: x86@kernel.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 01/44] firmware/ivc: use dma_mapping_error Date: Thu, 8 Jun 2017 15:25:26 +0200 Message-Id: <20170608132609.32662-2-hch@lst.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170608132609.32662-1-hch@lst.de> References: <20170608132609.32662-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP DMA_ERROR_CODE is not supposed to be used by drivers. Signed-off-by: Christoph Hellwig Acked-by: Thierry Reding --- drivers/firmware/tegra/ivc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/tegra/ivc.c b/drivers/firmware/tegra/ivc.c index 29ecfd815320..a01461d63f68 100644 --- a/drivers/firmware/tegra/ivc.c +++ b/drivers/firmware/tegra/ivc.c @@ -646,12 +646,12 @@ int tegra_ivc_init(struct tegra_ivc *ivc, struct device *peer, void *rx, if (peer) { ivc->rx.phys = dma_map_single(peer, rx, queue_size, DMA_BIDIRECTIONAL); - if (ivc->rx.phys == DMA_ERROR_CODE) + if (dma_mapping_error(peer, ivc->rx.phys)) return -ENOMEM; ivc->tx.phys = dma_map_single(peer, tx, queue_size, DMA_BIDIRECTIONAL); - if (ivc->tx.phys == DMA_ERROR_CODE) { + if (dma_mapping_error(peer, ivc->tx.phys)) { dma_unmap_single(peer, ivc->rx.phys, queue_size, DMA_BIDIRECTIONAL); return -ENOMEM;