Bill Gatliff <[EMAIL PROTECTED]> wrote on 11/06/2008 10:36:58 AM: > Scott Wood wrote: > > [EMAIL PROTECTED] wrote: > >> In the Cafe driver, Linux Device Drivers 3rd Edition, and > >> DMA-mapping.txt everyone talks about how to allocate buffers using > >> dma/pci_alloc_coherent(), but no one talks about how to actually use > >> it. I'm pretty sure (even in my ignorance) that just allocating a DMA > >> coherent buffer and then copying in and out of it does NOT actually > >> engage the underlying hardware and perform a DMA transfer. > > Does the "adma" stuff address this any? >
What is "adma"? Bruce _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
