From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from down.free-electrons.com ([37.187.137.238] helo=mail.free-electrons.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1atX97-0008SQ-3s for linux-mtd@lists.infradead.org; Fri, 22 Apr 2016 09:13:05 +0000 Date: Fri, 22 Apr 2016 11:12:43 +0200 From: Boris Brezillon 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 Subject: Re: [PATCH 0/2] mtd: nand: omap2: Fix SDMA support for NAND DMA prefetch Message-ID: <20160422111243.68de7cb0@bbrezillon> In-Reply-To: <1460752139-12742-1-git-send-email-fcooper@ti.com> 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 List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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