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path: root/drivers/usb/host/ehci-q.c
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Diffstat (limited to 'drivers/usb/host/ehci-q.c')
-rw-r--r--drivers/usb/host/ehci-q.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 36ca5077cdf..4378bf72bba 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -943,7 +943,8 @@ qh_make (
}
break;
default:
- dbg ("bogus dev %p speed %d", urb->dev, urb->dev->speed);
+ ehci_dbg(ehci, "bogus dev %p speed %d\n", urb->dev,
+ urb->dev->speed);
done:
qh_put (qh);
return NULL;
@@ -981,14 +982,12 @@ static void qh_link_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
head = ehci->async;
timer_action_done (ehci, TIMER_ASYNC_OFF);
if (!head->qh_next.qh) {
- u32 cmd = ehci_readl(ehci, &ehci->regs->command);
-
- if (!(cmd & CMD_ASE)) {
+ if (!(ehci->command & CMD_ASE)) {
/* in case a clear of CMD_ASE didn't take yet */
(void)handshake(ehci, &ehci->regs->status,
STS_ASS, 0, 150);
- cmd |= CMD_ASE;
- ehci_writel(ehci, cmd, &ehci->regs->command);
+ ehci->command |= CMD_ASE;
+ ehci_writel(ehci, ehci->command, &ehci->regs->command);
/* posted write need not be known to HC yet ... */
}
}
@@ -1204,7 +1203,6 @@ static void end_unlink_async (struct ehci_hcd *ehci)
static void start_unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
{
- int cmd = ehci_readl(ehci, &ehci->regs->command);
struct ehci_qh *prev;
#ifdef DEBUG
@@ -1222,8 +1220,8 @@ static void start_unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
if (ehci->rh_state != EHCI_RH_HALTED
&& !ehci->reclaim) {
/* ... and CMD_IAAD clear */
- ehci_writel(ehci, cmd & ~CMD_ASE,
- &ehci->regs->command);
+ ehci->command &= ~CMD_ASE;
+ ehci_writel(ehci, ehci->command, &ehci->regs->command);
wmb ();
// handshake later, if we need to
timer_action_done (ehci, TIMER_ASYNC_OFF);
@@ -1253,8 +1251,7 @@ static void start_unlink_async (struct ehci_hcd *ehci, struct ehci_qh *qh)
return;
}
- cmd |= CMD_IAAD;
- ehci_writel(ehci, cmd, &ehci->regs->command);
+ ehci_writel(ehci, ehci->command | CMD_IAAD, &ehci->regs->command);
(void)ehci_readl(ehci, &ehci->regs->command);
iaa_watchdog_start(ehci);
}