[PATCH] usb/core/hcd-pci.c: don't free_irq() on suspend

the free_irq() in USB suspend breaks resume on some setups where USB
(ohci/ehci) shares the interrupt with an other device.

Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index cbb451d..6385d1a 100644 (file)
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -242,7 +242,6 @@ int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message)
        case HC_STATE_SUSPENDED:
                /* no DMA or IRQs except when HC is active */
                if (dev->current_state == PCI_D0) {
-                       free_irq (hcd->irq, hcd);
                        pci_save_state (dev);
                        pci_disable_device (dev);
                }
@@ -374,14 +373,6 @@ int usb_hcd_pci_resume (struct pci_dev *dev)
 
        hcd->state = HC_STATE_RESUMING;
        hcd->saw_irq = 0;
-       retval = request_irq (dev->irq, usb_hcd_irq, SA_SHIRQ,
-                               hcd->irq_descr, hcd);
-       if (retval < 0) {
-               dev_err (hcd->self.controller,
-                       "can't restore IRQ after resume!\n");
-               usb_hc_died (hcd);
-               return retval;
-       }
 
        retval = hcd->driver->resume (hcd);
        if (!HC_IS_RUNNING (hcd->state)) {