void mei_stop(struct mei_device *dev)
{
dev_dbg(&dev->pdev->dev, "stopping the device.\n");
mei_cancel_work(dev);
mei_nfc_host_exit(dev);
mutex_lock(&dev->device_lock);
mei_wd_stop(dev);
dev->dev_state = MEI_DEV_POWER_DOWN;
mei_reset(dev);
mutex_unlock(&dev->device_lock);
mei_watchdog_unregister(dev);
}
void mei_stop(struct mei_device *dev)
{
dev_dbg(&dev->pdev->dev, "stopping the device.\n");
mei_cancel_work(dev);
mei_nfc_host_exit(dev);
mutex_lock(&dev->device_lock);
mei_wd_stop(dev);
dev->dev_state = MEI_DEV_POWER_DOWN;
mei_reset(dev);
/* move device to disabled state unconditionally */
dev->dev_state = MEI_DEV_DISABLED;
mutex_unlock(&dev->device_lock);
mei_watchdog_unregister(dev);
}
/**
* mei_remove - Device Removal Routine
*
* @pdev: PCI device structure
*
* mei_remove is called by the PCI subsystem to alert the driver
* that it should release a PCI device.
*/
static void mei_remove(struct pci_dev *pdev)
{
struct mei_device *dev;
struct mei_me_hw *hw;
if (mei_pdev != pdev)
return;
dev = pci_get_drvdata(pdev);
if (!dev)
return;
hw = to_me_hw(dev);
dev_err(&pdev->dev, "stop\n");
mei_stop(dev);
mei_pdev = NULL;
mei_watchdog_unregister(dev);
/* disable interrupts */
mei_disable_interrupts(dev);
free_irq(pdev->irq, dev);
pci_disable_msi(pdev);
pci_set_drvdata(pdev, NULL);
if (hw->mem_addr)
pci_iounmap(pdev, hw->mem_addr);
kfree(dev);
pci_release_regions(pdev);
pci_disable_device(pdev);
mei_deregister();
}
