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Commit 2d61bde7 authored by Alan Stern's avatar Alan Stern Committed by Greg Kroah-Hartman
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[PATCH] USB: net2280: add a shutdown routine 



The net2280 board has an annoying habit of surviving soft reboots with
interrupts enabled.  This patch (as674) adds a shutdown routine to the
driver so that the board can be put in a quiescent state.

Signed-off-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent b383539e

drivers/usb/gadget/net2280.c

+17 −0
Original line number Diff line number Diff line
@@ -2966,6 +2966,22 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id) 
	return retval;

}



/* make sure the board is quiescent; otherwise it will continue

 * generating IRQs across the upcoming reboot.

 */



static void net2280_shutdown (struct pci_dev *pdev)

{

	struct net2280		*dev = pci_get_drvdata (pdev);



	/* disable IRQs */

	writel (0, &dev->regs->pciirqenb0);

	writel (0, &dev->regs->pciirqenb1);



	/* disable the pullup so the host will think we're gone */

	writel (0, &dev->usb->usbctl);

}





/*-------------------------------------------------------------------------*/
@@ -2995,6 +3011,7 @@ static struct pci_driver net2280_pci_driver = { 


	.probe =	net2280_probe,

	.remove =	net2280_remove,

	.shutdown =	net2280_shutdown,



	/* FIXME add power management support */

};