On Tue, Jul 17, 2012 at 8:45 AM, Shilimkar, Santosh <santosh.shilimkar@xxxxxx> wrote: > Hi, > > On Tue, Jul 17, 2012 at 6:00 AM, Javier Martinez Canillas > <javier@xxxxxxxxxxxx> wrote: >> The OMAP MMC and OMAP High Speed MMC hosts now use entirely the DMA >> engine API instead of the previous private DMA API implementation. >> >> So, if the kernel is built with support for any of these hosts but it >> doesn't support DMA devices nor OMAP DMA support, it fails when trying >> to obtain a DMA channel which leads to the following error on an OMAP3 >> IGEPv2 Rev.C board (and probably on most OMAP boards with MMC support): >> >> [ 2.199981] omap_hsmmc omap_hsmmc.1: unable to obtain RX DMA engine channel 48 >> [ 2.215087] omap_hsmmc omap_hsmmc.0: unable to obtain RX DMA engine channel 62 >> >> selecting automatically CONFIG_DMADEVICES and CONFIG_DMA_OMAP solves it. >> >> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxx> >> --- > Considering, we are updating drivers to select the DMA engine, can you > also include > "drivers/spi/spi-omap2-mcspi.c" which is also updated for DMA engine. > > Regards > Santosh Hi Santosh, Ok, I'll send a v2 now which includes spi-omap2-mcspi then. Thanks a lot and best regards, Javier -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
