Hi Benzy Gabay, On Fri, 30 Jul 2010 15:08:06 -0500 "Gabay, Benzy" <ben...@ti.com> wrote: > > I figured, it does not make any difference wheter I use DMA for data > > transfer or not (odd?) > If interrupts are not handled in MMC level and you are disabling DMA > operation how then will the transfer completion is handled in that > case? >
PIO transfer is used in function mxcmci_cmd_done. A while loop cycles and calls readl until the buffer is read. Afterwards CRC checks and stuff is done. Enabling DMA exits prior that code section calling mxc_dma_enable. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
