[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: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -2966,6 +2966,22 @@ done:
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return retval;
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}
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/* make sure the board is quiescent; otherwise it will continue
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* generating IRQs across the upcoming reboot.
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*/
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static void net2280_shutdown (struct pci_dev *pdev)
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{
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struct net2280 *dev = pci_get_drvdata (pdev);
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/* disable IRQs */
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writel (0, &dev->regs->pciirqenb0);
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writel (0, &dev->regs->pciirqenb1);
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/* disable the pullup so the host will think we're gone */
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writel (0, &dev->usb->usbctl);
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}
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/*-------------------------------------------------------------------------*/
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@ -2995,6 +3011,7 @@ static struct pci_driver net2280_pci_driver = {
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.probe = net2280_probe,
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.remove = net2280_remove,
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.shutdown = net2280_shutdown,
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/* FIXME add power management support */
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};
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