Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753442Ab2HaAsp (ORCPT ); Thu, 30 Aug 2012 20:48:45 -0400 Received: from merlin.infradead.org ([205.233.59.134]:36624 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752763Ab2HaAso (ORCPT ); Thu, 30 Aug 2012 20:48:44 -0400 Message-ID: <1346374554.15463.6.camel@vkoul-mobl4> Subject: Re: [PATCH v3 3/3] spi: spi-davinci: convert to DMA engine API From: Vinod Koul To: Matt Porter Cc: vinod.koul@intel.com, Sekhar Nori , Linux DaVinci Kernel List , Linux MMC List , Linux Kernel Mailing List , grant.likely@secretlab.ca, Linux SPI Devel List , cjb@laptop.org, Linux ARM Kernel List Date: Fri, 31 Aug 2012 06:25:54 +0530 In-Reply-To: <20120830144307.GA26737@beef> References: <1345684176-21472-1-git-send-email-mporter@ti.com> <1345684176-21472-4-git-send-email-mporter@ti.com> <503F75C0.1050507@ti.com> <20120830144307.GA26737@beef> Organization: Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1234 Lines: 34 On Thu, 2012-08-30 at 10:43 -0400, Matt Porter wrote: > On Thu, Aug 30, 2012 at 07:46:32PM +0530, Sekhar Nori wrote: > > Hi Matt, > > > > On 8/23/2012 6:39 AM, Matt Porter wrote: > > > Removes use of the DaVinci EDMA private DMA API and replaces > > > it with use of the DMA engine API. > > > > > > Signed-off-by: Matt Porter > > > > I tried testing this patch on my OMAP-L138 EVM, but SPI fails to > > initialize after applying the patch. > > > > root@arago:~# dmesg | grep -i spi > > spi_davinci spi_davinci.1: request RX DMA channel failed > > Hi Sekhar, > > Most likely CONFIG_TI_EDMA is off as it defaults to off in the v3 > series. Try enabling this and if it's the problem then this error > path can be fixed to properly fallback to PIO only or fail to > initialize as needed. I didnt see any update on this one, is it okay, if so care to send a tested-by? -- ~Vinod Koul Intel Corp. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/