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path: root/drivers/usb/host/uhci-hcd.c
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Diffstat (limited to 'drivers/usb/host/uhci-hcd.c')
-rw-r--r--drivers/usb/host/uhci-hcd.c26
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 4f65b14..83344d6 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -139,10 +139,7 @@ static void finish_reset(struct uhci_hcd *uhci)
uhci->port_c_suspend = uhci->resuming_ports = 0;
uhci->rh_state = UHCI_RH_RESET;
uhci->is_stopped = UHCI_IS_STOPPED;
- uhci_to_hcd(uhci)->state = HC_STATE_HALT;
clear_bit(HCD_FLAG_POLL_RH, &uhci_to_hcd(uhci)->flags);
-
- uhci->dead = 0; /* Full reset resurrects the controller */
}
/*
@@ -188,10 +185,6 @@ static void configure_hc(struct uhci_hcd *uhci)
outw(uhci->frame_number & UHCI_MAX_SOF_NUMBER,
uhci->io_addr + USBFRNUM);
- /* Mark controller as not halted before we enable interrupts */
- uhci_to_hcd(uhci)->state = HC_STATE_SUSPENDED;
- mb();
-
/* Enable PIRQ */
pci_write_config_word(pdev, USBLEGSUP, USBLEGSUP_DEFAULT);
@@ -360,7 +353,6 @@ __acquires(uhci->lock)
static void start_rh(struct uhci_hcd *uhci)
{
- uhci_to_hcd(uhci)->state = HC_STATE_RUNNING;
uhci->is_stopped = 0;
/* Mark it configured and running with a 64-byte max packet.
@@ -449,6 +441,7 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd)
lprintk(errbuf);
}
uhci_hc_died(uhci);
+ usb_hc_died(hcd);
/* Force a callback in case there are
* pending unlinks */
@@ -842,16 +835,17 @@ static int uhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
spin_lock_irq(&uhci->lock);
/* Make sure resume from hibernation re-enumerates everything */
- if (hibernated)
- uhci_hc_died(uhci);
+ if (hibernated) {
+ uhci_reset_hc(to_pci_dev(uhci_dev(uhci)), uhci->io_addr);
+ finish_reset(uhci);
+ }
- /* The firmware or a boot kernel may have changed the controller
- * settings during a system wakeup. Check it and reconfigure
- * to avoid problems.
+ /* The firmware may have changed the controller settings during
+ * a system wakeup. Check it and reconfigure to avoid problems.
*/
- check_and_reset_hc(uhci);
-
- /* If the controller was dead before, it's back alive now */
+ else {
+ check_and_reset_hc(uhci);
+ }
configure_hc(uhci);
/* Tell the core if the controller had to be reset */
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