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Commit 02597d2d authored by Alan Stern's avatar Alan Stern Committed by Greg Kroah-Hartman
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[PATCH] USB UHCI: Add shutdown method 



After all the discussion you might not be interested in this still, but
nevertheless here it is.  This patch adds a shutdown method to the
uhci-hcd driver.  Its prerequisite is the patch you wrote adding shutdown
support for PCI.

Signed-off-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent c074b416

drivers/usb/host/uhci-hcd.c

+16 −0
Original line number Diff line number Diff line
@@ -154,6 +154,7 @@ static void reset_hc(struct uhci_hcd *uhci) 


/*

 * Last rites for a defunct/nonfunctional controller

 * or one we don't want to use any more.

 */

static void hc_died(struct uhci_hcd *uhci)

{
@@ -525,6 +526,20 @@ static int uhci_reset(struct usb_hcd *hcd) 
	return 0;

}



/* Make sure the controller is quiescent and that we're not using it

 * any more.  This is mainly for the benefit of programs which, like kexec,

 * expect the hardware to be idle: not doing DMA or generating IRQs.

 *

 * This routine may be called in a damaged or failing kernel.  Hence we

 * do not acquire the spinlock before shutting down the controller.

 */

static void uhci_shutdown(struct pci_dev *pdev)

{

	struct usb_hcd *hcd = (struct usb_hcd *) pci_get_drvdata(pdev);



	hc_died(hcd_to_uhci(hcd));

}



/*

 * Allocate a frame list, and then setup the skeleton

 *
@@ -939,6 +954,7 @@ static struct pci_driver uhci_pci_driver = { 


	.probe =	usb_hcd_pci_probe,

	.remove =	usb_hcd_pci_remove,

	.shutdown =	uhci_shutdown,



#ifdef	CONFIG_PM

	.suspend =	usb_hcd_pci_suspend,