Ok,
I answer to myself, to whomever it may interest: the DMA controller to
use is the PCI_DMA controller, and not the generic DMA controller.
Right now, I'm trying to figure out if there's a generic PCI API I can
extend to talk to the PCI DMA controller.
Matteo Fortini ha scritto:
Hi all,
Hi all,
I'm trying to send some data through DMA from a memory buffer to a PCI
video card VRAM.
While I got that I need to alloc the src buffer through
dma_alloc_coherent, I don't understand which address I should give as
the dst address.
I tried both the mapped hw address and an address re
