On Mon, Dec 19, 2011 at 12:54:32PM +0100, Sebastian Andrzej Siewior wrote: > * Felipe Balbi | 2011-12-19 11:17:17 [+0200]: > > >add support for SG lists on dwc3 driver. With > >this we can e.g. use VFS layer's SG lists on > >storage gadgets so that we can start bigger > >transfers and improve throughput. > > You could add in the 1/5 mail that some gadget (uasp for instance) is > able to allocate larger buffer with the help of sgs which create the > illusion of an contigues buffer. done: usb: gadget: introduce support for sg lists Some controllers support scatter/gather transfers and that might be very useful for some gadget drivers. This means that we can make use of larger buffer allocations which means we will have less completion IRQs overtime, thus improving the perceived performance. Signed-off-by: Felipe Balbi <balbi@xxxxxx> -- balbi
Attachment:
signature.asc
Description: Digital signature
