Sorry, got a typo in the mail address... I'll resend the patchset. :( Thanks, Andiry On 03/05/2012 05:41 PM, Andiry Xu wrote: > Hi Sarah & Alan, > > This is the ring expansion patchset v5, sorry for the long delay. > > Changelog from v4: > > 1. Fix the bug in handle set TRDP command completion; > 2. Add patch 8 and 9, allocate 2 segments for transfer ring at the beginning, > and expand the ring if the enqueue pointer will advance into dequeue segment. > > Thank you Alan, your suggestion makes things much more easier! > > I've tested with usbtest -t 10, which could hit the case with multiple control > requests. Seems it works fine. > > Hi Paul, > > Can you run usbtest 10 with this patchset? Thanks. > > I've some questions, not quite related to the patchset... > 1. Does usbtest require specific compliant device? I used a USB2.0 storage > device, and some test cases fail with unmatched transfer length and unexpected > status. > 2. What will happen if the host driver does not call usb_hcd_link_urb_to_ep() in > enqueue() method? In my original design, the host driver will "suspend" the urbs > in some cases, does not queue them immediately, just return enqueue() as > successful and queue them later. In this case, does the host driver need to > call usb_hcd_link_urb_to_ep() before it returns? > > Thanks, > Andiry > > --- > > Andiry Xu (9): > xHCI: store ring's type > xHCI: store ring's last segment and segment numbers > xHCI: count free TRBs on transfer ring > xHCI: factor out segments allocation and free function > xHCI: set cycle state when allocate rings > xHCI: dynamic ring expansion > xHCI: update sg tablesize > xHCI: Allocate 2 segments for transfer ring > xHCI: check enqueue pointer advance into dequeue seg > > drivers/usb/host/xhci-mem.c | 230 +++++++++++++++++++++++++++---------- > drivers/usb/host/xhci-ring.c | 257 ++++++++++++++++++++++++------------------ > drivers/usb/host/xhci.c | 4 +- > drivers/usb/host/xhci.h | 17 +++ > 4 files changed, 334 insertions(+), 174 deletions(-) > -- 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
