Tuesday 19 May 2009 03:37:47 Hongjun Chen wrote: > Since you have reuse most part of our BSP, why should you reinvent wheel > for MPC512x DMA? We have one ready DMA driver, which has been used by AC97, > ATA, VIU etc. >
Answer is simple. The old one does not fit Linux DMA API. New one uses existing infrastructure which makes DMA engine aviable for existing consumers in Linux kernel. For example network stack. Support for I/O <-> memory transfers will be added when more consumers arrive. -- Best Regards. Piotr Zięcik _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev