On 8/31/2012 10:01 PM, Vinod Koul wrote: > On Fri, 2012-08-31 at 21:32 +0530, Sekhar Nori wrote: >> Hi Matt, >> >> On 8/30/2012 8:13 PM, 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@xxxxxx> >>>> >>>> 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. >> >> Yes, this was the problem. Since the SPI driver now depends on >> CONFIG_TI_EDMA for basic operation may be select CONFIG_TI_EDMA in >> Kconfig if SPI is enabled? That should do until the fallback to PIO is >> implemented. > Then this should be enabled for SPI. Care to send a patch By 'this' you mean the Kconfig select? Then there should be no need of a new patch for this. It can be part of this patch itself, no? Thanks, Sekhar -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
