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path: root/drivers/usb/host/uhci-q.c
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Diffstat (limited to 'drivers/usb/host/uhci-q.c')
-rw-r--r--drivers/usb/host/uhci-q.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index 5631d89c8730..3e5807d14ffb 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,