On Tuesday 03 October 2006 6:10 am, Rumjantsev Egor wrote:
> Is it possible to allocate large buffers for bulk transfer with
> vmalloc_32 function?
Read the first section of Documentation/DMA-mapping.txt where
it describes what memory is DMA-able. All buffers you pass to
the USB subsystem (bulk
Hello.
Is it possible to allocate large buffers for bulk transfer with
vmalloc_32 function? I need buffer about 4 Mb. I allocated it with
vmalloc_32 function. After that usb_submit_urb() returned success but
instead data which i wanted to receive in buffer was nothing.
I've read the mailing list