From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Brezillon Subject: Re: [PATCH 0/2] mtd: nand: omap2: Fix SDMA support for NAND DMA prefetch Date: Fri, 22 Apr 2016 11:12:43 +0200 Message-ID: <20160422111243.68de7cb0@bbrezillon> References: <1460752139-12742-1-git-send-email-fcooper@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1460752139-12742-1-git-send-email-fcooper@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Franklin S Cooper Jr Cc: dwmw2@infradead.org, computersforpeace@gmail.com, tony@atomide.com, rogerq@ti.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org List-Id: linux-omap@vger.kernel.org On Fri, 15 Apr 2016 15:28:57 -0500 Franklin S Cooper Jr wrote: > NAND DMA prefetch for SDMA based devices has been broken for awhile. This > patchset fixes it so SOCs that use the SDMA can make use of the NAND > DMA prefetch. > > I've decided to split this patchset from the slightly larger patchset that > included EDMA support. Adding EDMA support will be added in a later > patchset. > > Tested using the latest master on: > am37 gp evm > > Due to a silicon issue Dra7 SoCs are unable to use NAND DMA prefetch. Applied, thanks. Boris > > Cooper Jr., Franklin (2): > mtd: nand: omap2: Start dma request before enabling prefetch > mtd: nand: omap2: Fix high memory dma prefetch transfer > > drivers/mtd/nand/omap2.c | 22 +++++++--------------- > 1 file changed, 7 insertions(+), 15 deletions(-) > -- Boris Brezillon, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com