diff options
Diffstat (limited to 'drivers/usb/host/uhci-q.c')
| -rw-r--r-- | drivers/usb/host/uhci-q.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index 5631d89c873..3e5807d14ff 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -402,7 +402,7 @@ static void uhci_fixup_toggles(struct uhci_qh *qh, int skip_first) /* Otherwise all the toggles in the URB have to be switched */ } else { list_for_each_entry(td, &urbp->td_list, list) { - td->token ^= __constant_cpu_to_le32( + td->token ^= cpu_to_le32( TD_TOKEN_TOGGLE); toggle ^= 1; } @@ -883,7 +883,7 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, uhci_fill_td(td, 0, USB_PID_OUT | uhci_explen(0), 0); wmb(); - qh->dummy_td->status |= __constant_cpu_to_le32(TD_CTRL_ACTIVE); + qh->dummy_td->status |= cpu_to_le32(TD_CTRL_ACTIVE); qh->dummy_td = td; /* Low-speed transfers get a different queue, and won't hog the bus. @@ -899,8 +899,6 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, } if (qh->state != QH_STATE_ACTIVE) qh->skel = skel; - - urb->actual_length = -8; /* Account for the SETUP packet */ return 0; nomem: @@ -1003,7 +1001,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, * fast side but not enough to justify delaying an interrupt * more than 2 or 3 URBs, so we will ignore the URB_NO_INTERRUPT * flag setting. */ - td->status |= __constant_cpu_to_le32(TD_CTRL_IOC); + td->status |= cpu_to_le32(TD_CTRL_IOC); /* * Build the new dummy TD and activate the old one @@ -1015,7 +1013,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, uhci_fill_td(td, 0, USB_PID_OUT | uhci_explen(0), 0); wmb(); - qh->dummy_td->status |= __constant_cpu_to_le32(TD_CTRL_ACTIVE); + qh->dummy_td->status |= cpu_to_le32(TD_CTRL_ACTIVE); qh->dummy_td = td; usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), @@ -1317,7 +1315,7 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, } /* Set the interrupt-on-completion flag on the last packet. */ - td->status |= __constant_cpu_to_le32(TD_CTRL_IOC); + td->status |= cpu_to_le32(TD_CTRL_IOC); /* Add the TDs to the frame list */ frame = urb->start_frame; @@ -1494,11 +1492,10 @@ __acquires(uhci->lock) if (qh->type == USB_ENDPOINT_XFER_CONTROL) { - /* urb->actual_length < 0 means the setup transaction didn't - * complete successfully. Either it failed or the URB was - * unlinked first. Regardless, don't confuse people with a - * negative length. */ - urb->actual_length = max(urb->actual_length, 0); + /* Subtract off the length of the SETUP packet from + * urb->actual_length. + */ + urb->actual_length -= min_t(u32, 8, urb->actual_length); } /* When giving back the first URB in an Isochronous queue, |