Hi, On Fri, Jan 21, 2011 at 01:39:20PM +0800, Bob Liu wrote: > diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c > index 4d5bcb4..7a9ab45 100644 > --- a/drivers/usb/musb/musb_host.c > +++ b/drivers/usb/musb/musb_host.c > @@ -609,7 +609,7 @@ musb_rx_reinit(struct musb *musb, struct musb_qh *qh, struct musb_hw_ep *ep) > /* Set RXMAXP with the FIFO size of the endpoint > * to disable double buffer mode. > */ > - if (musb->hwvers < MUSB_HWVERS_2000) > + if (musb->double_buffer_not_ok) > musb_writew(ep->regs, MUSB_RXMAXP, ep->max_packet_sz_rx); > else > musb_writew(ep->regs, MUSB_RXMAXP, you're only changing RX path, does double buffering work on TX path ? This patch seems incomplete for host side. My original version was changing both RX and TX. -- balbi -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
