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. -Matt -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
