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 <mpor...@ti.com> >>>> >>>> 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 ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ spi-devel-general mailing list spi-devel-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/spi-devel-general
