Re: Using DMA

2008-11-06 Thread Bill Gatliff
[EMAIL PROTECTED] wrote: > 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

Re: Using DMA

2008-11-06 Thread Bruce_Leonard
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

Re: Using DMA

2008-11-06 Thread Bill Gatliff
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

Re: Using DMA

2008-11-06 Thread Scott Wood
[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 cohere