aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/host/ehci-hcd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
-rw-r--r--drivers/usb/host/ehci-hcd.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index d63177a8eae..1c54b303e5f 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -292,21 +292,20 @@ static void ehci_watchdog (unsigned long param)
spin_unlock_irqrestore (&ehci->lock, flags);
}
-/* Reboot notifiers kick in for silicon on any bus (not just pci, etc).
+/* ehci_shutdown kick in for silicon on any bus (not just pci, etc).
* This forcibly disables dma and IRQs, helping kexec and other cases
* where the next system software may expect clean state.
*/
-static int
-ehci_reboot (struct notifier_block *self, unsigned long code, void *null)
+static void
+ehci_shutdown (struct usb_hcd *hcd)
{
- struct ehci_hcd *ehci;
+ struct ehci_hcd *ehci;
- ehci = container_of (self, struct ehci_hcd, reboot_notifier);
+ ehci = hcd_to_ehci (hcd);
(void) ehci_halt (ehci);
/* make BIOS/etc use companion controller during reboot */
writel (0, &ehci->regs->configured_flag);
- return 0;
}
static void ehci_port_power (struct ehci_hcd *ehci, int is_on)
@@ -381,7 +380,6 @@ static void ehci_stop (struct usb_hcd *hcd)
/* let companion controllers work when we aren't */
writel (0, &ehci->regs->configured_flag);
- unregister_reboot_notifier (&ehci->reboot_notifier);
remove_debug_files (ehci);
@@ -483,9 +481,6 @@ static int ehci_init(struct usb_hcd *hcd)
}
ehci->command = temp;
- ehci->reboot_notifier.notifier_call = ehci_reboot;
- register_reboot_notifier(&ehci->reboot_notifier);
-
return 0;
}
@@ -499,7 +494,6 @@ static int ehci_run (struct usb_hcd *hcd)
/* EHCI spec section 4.1 */
if ((retval = ehci_reset(ehci)) != 0) {
- unregister_reboot_notifier(&ehci->reboot_notifier);
ehci_mem_cleanup(ehci);
return retval;
}