From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754458Ab3BVIFk (ORCPT ); Fri, 22 Feb 2013 03:05:40 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:11350 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752808Ab3BVIFg (ORCPT ); Fri, 22 Feb 2013 03:05:36 -0500 X-AuditID: cbfee68f-b7f656d000000d78-f4-512726cff0d9 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 Cc: "'Vinod Koul'" , "'Dan Williams'" , "'Russell King'" , "'Kukjin Kim'" , "'Grant Likely'" , "'Mark Brown'" , "'Rob Herring'" , "'Sangbeom Kim'" 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+NgFnrLLMWRmVeSWpSXmKPExsVy+t8zY93zauqBBqfWsVpc3jWHzWLG+X1M DkwenzfJBTBGcdmkpOZklqUW6dslcGWsnnqGtWAvb8X0V39ZGhh3cHcxcnJICJhItO98wAZh i0lcuLceyObiEBJYxihxvvM4C0xR38QDUIlFjBKzP+xjhHD+Mkp0dGxhBKliE9CUmPF9OjtI QkTgFqNE6/xHYA6zwGkmiQWX25m7GDmAWrglVjcHgTRwCvBIrPvTyQxiCwukSNyYNAnsDhYB VYk9R9exgti8ArYSD/a+BmuVEFCXePRXFyQsImAkMWP6BbByZgERiX0v3jFCXPqfTWJXlyfE GAGJb5MPsUC0ykpsOsAMUSIpcXDFDZYJjKKzkHQvYGRcxSiaWpBcUJyUXmSsV5yYW1yal66X nJ+7iRES1P07GO8esD7EmAw0eiKzlGhyPjAq8kriDY2NTcxMTE3MLU3NTUkTVhLnlb8kEygk kJ5YkpqdmlqQWhRfVJqTWnyIkYmDU6qB0Ta0dEfHoa2Pkk+2ecyt2fS0cIregbWd5284Hz+X Vi9RwrCLX+9SeUFmt6e548OH0i0LU4POPuAPEC5byrssd85PmfNv5Hw6NRVffVb5k+R+La0+ meFO0AJxt/qHgVPff7E/+Fvx7FyJV/NzdrJ+5Nj6Nbyg/emCkH2Nk9u3BT/1ZFvb7HdbSIml OCPRUIu5qDgRAH66Ex6AAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrNIsWRmVeSWpSXmKPExsVy+t9jAd1zauqBBudmWVtc3jWHzWLG+X1M DkwenzfJBTBGNTDaZKQmpqQWKaTmJeenZOal2yp5B8c7x5uaGRjqGlpamCsp5CXmptoqufgE 6Lpl5gCNVlIoS8wpBQoFJBYXK+nbYZoQGuKmawHTGKHrGxIE12NkgAYS1jFmrJ56hrVgL2/F 9Fd/WRoYd3B3MXJySAiYSPRNPMAGYYtJXLi3Hsjm4hASWMQoMfvDPkYI5y+jREfHFkaQKjYB TYkZ36ezgyREBG4xSrTOfwTmMAucZpJYcLmduYuRA6iFW2J1cxBIA6cAj8S6P53MILawQIrE jUmTwNaxCKhK7Dm6jhXE5hWwlXiw9zVYq4SAusSjv7ogYREBI4kZ0y+AlTMLiEjse/GOcQIj /ywk7gJGxlWMoqkFyQXFSem5RnrFibnFpXnpesn5uZsYwVHzTHoH46oGi0OMAhyMSjy8Hd5q gUKsiWXFlbmHGCU4mJVEeBcpqAcK8aYkVlalFuXHF5XmpBYfYkwGOnAis5Rocj4wovNK4g2N TcyMLI3MLIxMzM1JE1YS52U89SRASCA9sSQ1OzW1ILUIZgsTB6dUA2OT5twTAWvKXl5mPRo5 dX5y0bH1kSuWuTjYei78tOvD7albA+pzGZpMZm1Q+29gtkbncE2S664/SXWeSwrP6H1eePWj 6VHWae2yOw/Ia3yOed3DUqHpuXuq4PVjxz54i2woFTvDcFxh9vSWjP13p4hoLAtZ9czoRcn8 ki23eqR8LBrPnysLeKKrxFKckWioxVxUnAgAjlqkI94CAAA= DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.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(-) 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; }; -- 1.7.5.4