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? b.g. -- Bill Gatliff [EMAIL PROTECTED] _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
