On Mon, 9 Jun 2003, David Brownell wrote:
You don't need to keep the URB_NO_DMA_MAP bitmask around;
it'll be clearer to delete it. And I must have missed the
code in usb_buffer_{map,dmasync,unmap}() for setup buffers;
unless you meant to not include that? (OK, just quirky.)
The only reason
Alan Stern wrote:
This patch implements separate flag bits to indicate which of transfer_dma
and setup_dma are already valid. It provides greater flexibility to
device drivers by allowing for control transfers in which only one of the
two buffers has been mapped.
Looks good, minor comments
