From patchwork Fri Feb 22 08:05:35 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "boojin.kim" X-Patchwork-Id: 2175281 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id E2E353FD4E for ; Fri, 22 Feb 2013 08:07:59 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1U8ndW-0002aW-Sv; Fri, 22 Feb 2013 08:05:42 +0000 Received: from mailout1.samsung.com ([203.254.224.24]) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1U8ndS-0002Ze-NR for linux-arm-kernel@lists.infradead.org; Fri, 22 Feb 2013 08:05:40 +0000 Received: from epcpsbgr3.samsung.com (u143.gpu120.samsung.co.kr [203.254.230.143]) by mailout1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MIM00I873T1OV70@mailout1.samsung.com> for linux-arm-kernel@lists.infradead.org; Fri, 22 Feb 2013 17:05:35 +0900 (KST) Received: from epcpsbgm2.samsung.com ( [203.254.230.51]) by epcpsbgr3.samsung.com (EPCPMTA) with SMTP id C2.64.03448.EC627215; Fri, 22 Feb 2013 17:05:35 +0900 (KST) X-AuditID: cbfee68f-b7f656d000000d78-f2-512726ce7752 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id 9B.73.03880.EC627215; Fri, 22 Feb 2013 17:05:34 +0900 (KST) Received: from DOBOOJINKIM03 ([12.23.119.77]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MIM008KJ3TAMW00@mmp1.samsung.com> for linux-arm-kernel@lists.infradead.org; Fri, 22 Feb 2013 17:05:34 +0900 (KST) From: Boojin Kim To: 'Boojin Kim' , linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, spi-devel-general@lists.sourceforge.net, alsa-devel@alsa-project.org References: In-reply-to: Subject: [PATCH v2 2/4] ARM: EXYNOS: support burst mode for for dev-to-mem and mem-to-dev transmit Date: Fri, 22 Feb 2013 17:05:35 +0900 Message-id: <001a01ce10d3$64b4afb0$2e1e0f10$%kim@samsung.com> X-Mailer: Microsoft Office Outlook 12.0 Thread-index: Ac4Q0zRNgYHsZtryQK2Zcgnt7X5e4wAABD9g Content-language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrBLMWRmVeSWpSXmKPExsVy+t8zY93zauqBBlfmMFpsenyN1YHRY/OS +gDGKC6blNSczLLUIn27BK6M1VPPsBbs5a2Y/uovSwPjDu4uRk4OCQETiY+HT7NA2GISF+6t ZwOxhQSWMUpM/lQBU3NvxWbGLkYuoPgiRokf9+eyQzjLmCQm/u9nBqliE9CUmPF9OlhCROAW o0Tr/EdgDrPAaSaJBZfbgao4gFq4JVY3B4E0cArwSKz70wnWLCyQInFj0iSw1SwCqhJ7jq5j BbF5BWwlHux9DdYqIaAu8eivLkhYRMBIYsb0C2DlzAIiEvtevAO7TkLgO5vE02cfoOYISHyb fIgFoldWYtMBZohvJCUOrrjBMoFRdBaS9gWMjKsYRVMLkguKk9KLjPWKE3OLS/PS9ZLzczcx QkK5fwfj3QPWhxiTgUZPZJYSTc4HxkJeSbyhsbGJmYmpibmlqbkpacJK4rzyl2QChQTSE0tS s1NTC1KL4otKc1KLDzEycXBKNTCu0pBQMeXnbcxRCnA3q17w8ov/nMapr+ud1Sr1FGsaOuy0 WOW3Cx884vRDLUZZijn0Lfvvyldncmac5U7YdW1HVbjw+T/bpydqqZwMPR2yf5XxGfFbk/iN XhQyeW6rtuT4nJLUc/ZZm878ozG/Jr+112//NY/D4uHD4o6p7XoHC4/UTszTbVZiKc5INNRi LipOBAArHB8CewIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrGIsWRmVeSWpSXmKPExsVy+t9jAd1zauqBBjMnmFtsenyN1YHRY/OS +gDGqAZGm4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNLC3MlhbzE3FRbJRefAF23zByg qUoKZYk5pUChgMTiYiV9O0wTQkPcdC1gGiN0fUOC4HqMDNBAwjrGjNVTz7AW7OWtmP7qL0sD 4w7uLkZODgkBE4l7KzYzQthiEhfurWfrYuTiEBJYxCjx4/5cdghnGZPExP/9zCBVbAKaEjO+ TwdLiAjcYpRonf8IzGEWOM0kseByO1AVB1ALt8Tq5iCQBk4BHol1fzrBmoUFUiRuTJrEBmKz CKhK7Dm6jhXE5hWwlXiw9zVYq4SAusSjv7ogYREBI4kZ0y+AlTMLiEjse/GOcQIj/ywk7gJG xlWMoqkFyQXFSem5RnrFibnFpXnpesn5uZsYwbHyTHoH46oGi0OMAhyMSjy8Hd5qgUKsiWXF lbmHGCU4mJVEeBcpqAcK8aYkVlalFuXHF5XmpBYfYkwGOnAis5Rocj4wjvNK4g2NTcyMLI3M LIxMzM1JE1YS52U89SRASCA9sSQ1OzW1ILUIZgsTB6dUA2NF7P1Adoulm1ZO1n1v9K5T3GH9 sfOL3zUuK7C33hn+e5dGuf+eWhs97l273exTL35o+8G46MmrNVOm+lz0zAg/vOQy79fNLBzb JOP2V9i5lcgz+bw/UcFaxN1yiPdU0K1dtwVmPTbYFWx+yT3X6u2Zmpkt3stUa3xNfx7rX5cc xZ8ZcmTaO3slluKMREMt5qLiRAB9C8U72QIAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130222_030539_171464_0B38CBC6 X-CRM114-Status: GOOD ( 10.77 ) X-Spam-Score: -4.6 (----) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-4.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- 3.0 KHOP_BIG_TO_CC Sent to 10+ recipients instaed of Bcc or a list -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [203.254.224.24 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: 'Kukjin Kim' , 'Russell King' , 'Vinod Koul' , 'Mark Brown' , 'Rob Herring' , 'Grant Likely' , 'Sangbeom Kim' , 'Dan Williams' X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This patch adds to support burst mode for for dev-to-mem and dev-to-mem transmit Signed-off-by: Boojin Kim --- arch/arm/plat-samsung/dma-ops.c | 4 ++-- arch/arm/plat-samsung/include/plat/dma-ops.h | 1 + 2 files changed, 3 insertions(+), 2 deletions(-) -- 1.7.5.4 diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c index 71d58dd..6c90c16 100644 --- a/arch/arm/plat-samsung/dma-ops.c +++ b/arch/arm/plat-samsung/dma-ops.c @@ -60,14 +60,14 @@ static int samsung_dmadev_config(unsigned ch, slave_config.direction = param->direction; slave_config.src_addr = param->fifo; slave_config.src_addr_width = param->width; - slave_config.src_maxburst = 1; + slave_config.src_maxburst = param->maxburst; dmaengine_slave_config(chan, &slave_config); } else if (param->direction == DMA_MEM_TO_DEV) { memset(&slave_config, 0, sizeof(struct dma_slave_config)); slave_config.direction = param->direction; slave_config.dst_addr = param->fifo; slave_config.dst_addr_width = param->width; - slave_config.dst_maxburst = 1; + slave_config.dst_maxburst = param->maxburst; dmaengine_slave_config(chan, &slave_config); } else { pr_warn("unsupported direction\n"); diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h index 1141782..383bd6d 100644 --- a/arch/arm/plat-samsung/include/plat/dma-ops.h +++ b/arch/arm/plat-samsung/include/plat/dma-ops.h @@ -35,6 +35,7 @@ struct samsung_dma_prep { struct samsung_dma_config { enum dma_transfer_direction direction; enum dma_slave_buswidth width; + u32 maxburst; dma_addr_t fifo; };