diff options
| author | Gleb Natapov <gleb@redhat.com> | 2013-10-17 17:04:47 +0300 |
|---|---|---|
| committer | Gleb Natapov <gleb@redhat.com> | 2013-10-17 17:41:49 +0300 |
| commit | 13acfd5715144518232d8e29acf7c76ef1b089d8 (patch) | |
| tree | 093c4311a737210bbdd3d1919f8193cb5f017241 /drivers/usb/host/uhci-q.c | |
| parent | d570142674890fe10b3d7d86aa105e3dfce1ddfa (diff) | |
| parent | 34ec4de42be5006abdd8d0c08b306ffaa64d0d5d (diff) | |
Powerpc KVM work is based on a commit after rc4.
Merging master into next to satisfy the dependencies.
Conflicts:
arch/arm/kvm/reset.c
Diffstat (limited to 'drivers/usb/host/uhci-q.c')
| -rw-r--r-- | drivers/usb/host/uhci-q.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index 041c6ddb695..da6f56d996c 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -1303,7 +1303,7 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, } /* Fell behind? */ - if (uhci_frame_before_eq(frame, next)) { + if (!uhci_frame_before_eq(next, frame)) { /* USB_ISO_ASAP: Round up to the first available slot */ if (urb->transfer_flags & URB_ISO_ASAP) @@ -1311,13 +1311,17 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, -qh->period; /* - * Not ASAP: Use the next slot in the stream. If - * the entire URB falls before the threshold, fail. + * Not ASAP: Use the next slot in the stream, + * no matter what. */ else if (!uhci_frame_before_eq(next, frame + (urb->number_of_packets - 1) * qh->period)) - return -EXDEV; + dev_dbg(uhci_dev(uhci), "iso underrun %p (%u+%u < %u)\n", + urb, frame, + (urb->number_of_packets - 1) * + qh->period, + next); } } |