From patchwork Fri Jan 27 16:42:01 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 9542279 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 0163A601D7 for ; Fri, 27 Jan 2017 16:44:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E89B927F54 for ; Fri, 27 Jan 2017 16:44:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DCF7327FBB; Fri, 27 Jan 2017 16:44:04 +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=-1.9 required=2.0 tests=BAYES_00 autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 766D827F54 for ; Fri, 27 Jan 2017 16:44:04 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cX9d3-0007NE-K7; Fri, 27 Jan 2017 16:44:01 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cX9bX-0005vC-CD; Fri, 27 Jan 2017 16:42:29 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id 8DEB120707; Fri, 27 Jan 2017 17:42:11 +0100 (CET) Received: from localhost.localdomain (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 10488204AE; Fri, 27 Jan 2017 17:42:11 +0100 (CET) From: Boris Brezillon To: Boris Brezillon , Richard Weinberger , linux-mtd@lists.infradead.org, Linus Walleij , Alexandre Courbot , linux-gpio@vger.kernel.org, Vinod Koul , Dan Williams , dmaengine@vger.kernel.org, Nicolas Ferre , Alexandre Belloni , Wenyou Yang , Josh Wu , Haavard Skinnemoen , Hans-Christian Egtvedt , linux-kernel@vger.kernel.org Subject: [PATCH RESEND 2/5] dmaengine: Provide a wrapper for memcpy operations Date: Fri, 27 Jan 2017 17:42:01 +0100 Message-Id: <1485535324-28393-3-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1485535324-28393-1-git-send-email-boris.brezillon@free-electrons.com> References: <1485535324-28393-1-git-send-email-boris.brezillon@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170127_084227_574693_E296ED1E X-CRM114-Status: GOOD ( 11.98 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Pawel Moll , Ian Campbell , Marek Vasut , Rob Herring , Kumar Gala , Cyrille Pitchen , Brian Norris , David Woodhouse , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Almost all ->device_prep_dma_xx() methods have a wrapper defined in dmaengine.h. Add one for ->device_prep_dma_memcpy(). Signed-off-by: Boris Brezillon Acked-by: Vinod Koul --- include/linux/dmaengine.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index feee6ec6a13b..533680860865 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -894,6 +894,17 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_memset( len, flags); } +static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_memcpy( + struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, + size_t len, unsigned long flags) +{ + if (!chan || !chan->device || !chan->device->device_prep_dma_memcpy) + return NULL; + + return chan->device->device_prep_dma_memcpy(chan, dest, src, + len, flags); +} + static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_sg( struct dma_chan *chan, struct scatterlist *dst_sg, unsigned int dst_nents,