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Date: Fri, 31 Aug 2012 06:25:54 +0530 From: Vinod Koul <vkoul@...radead.org> To: Matt Porter <mporter@...com> Cc: vinod.koul@...el.com, Sekhar Nori <nsekhar@...com>, Linux DaVinci Kernel List <davinci-linux-open-source@...ux.davincidsp.com>, Linux MMC List <linux-mmc@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, grant.likely@...retlab.ca, Linux SPI Devel List <spi-devel-general@...ts.sourceforge.net>, cjb@...top.org, Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org> Subject: Re: [PATCH v3 3/3] spi: spi-davinci: convert to DMA engine API 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 <mporter@...com> > > > > I tried testing this patch on my OMAP-L138 EVM, but SPI fails to > > initialize after applying the patch. > > > > root@...go:~# 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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