From mboxrd@z Thu Jan 1 00:00:00 1970 From: b32955@freescale.com (Huang Shijie) Date: Thu, 18 Oct 2012 16:49:20 +0800 Subject: [PATCH] dma: add new DMA control commands In-Reply-To: <201210181016.06782.marex@denx.de> References: <1350538335-29026-1-git-send-email-b32955@freescale.com> <201210180914.58527.marex@denx.de> <507FB495.7050104@freescale.com> <201210181016.06782.marex@denx.de> Message-ID: <507FC290.10205@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org ? 2012?10?18? 16:16, Marek Vasut ??: > So we can't stream data from the chip? About time to adjust the MTD framework to > allow that. Maybe implement a command queue? > IMHO, it's not possible. Because the READ-PAGE(00h-30h) command needs to check the busy status which means we have to stop in the middle, so we can not chain the all the read-pages DMA commands. thanks Huang Shijie