From: viresh.kumar@st.com (viresh kumar) Date: Mon, 9 May 2011 12:03:31 +0530 Subject: [PATCH V4 3/5] dmaengine/dw_dmac: Divide one sg to many desc, if sg len is greater than DWC_MAX_COUNT In-Reply-To: <1304920041.32447.33.camel@vkoul-udesk3> References: <1304918425.32447.20.camel@vkoul-udesk3> <4DC783A9.5060802@st.com> <1304920041.32447.33.camel@vkoul-udesk3> Message-ID: <4DC78ABB.2030800@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 05/09/2011 11:17 AM, Koul, Vinod wrote: > Ah, then there is another todo for this driver. Move from chan->private > to DMA_SLAVE_CONFIG. > > struct dma_slave_config has dedicated fields for both source and > destination widths, src_addr_width & dst_addr_width please use them... > You should pass this structure to device control API as: > dmaengine_device_control( > chan, DMA_SLAVE_CONFIG, (unsigned long)&slave_config); As soon as i get some time, will study & implement this. For now, please push this patchset (if it looks fine). -- viresh