Free irq in ->suspend and request irq in ->resume to be compliant with
the latest PM request (Documentation/power/pci.txt).

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
--
diff -urp ipw2200-1.0.6/ipw2200.c ipw2200-1.0.6-pci_link/ipw2200.c
--- ipw2200-1.0.6/ipw2200.c	2005-08-10 10:29:25.000000000 +0800
+++ ipw2200-1.0.6-pci_link/ipw2200.c	2005-08-10 10:36:06.000000000 +0800
@@ -10856,6 +10856,7 @@ static int ipw_pci_suspend(struct pci_de
 
  	/* Take down the device; powers it off, etc. */
 	ipw_down(priv);
+	free_irq(pdev->irq, priv);
 
 	/* Remove the PRESENT state of the device */
 	netif_device_detach(dev);
@@ -10881,6 +10882,7 @@ static int ipw_pci_resume(struct pci_dev
 	struct ipw_priv *priv = pci_get_drvdata(pdev);
 	struct net_device *dev = priv->net_dev;
 	u32 val;
+	int err;
 
 	printk(KERN_INFO "%s: Coming out of suspend...\n", dev->name);
 
@@ -10905,6 +10907,12 @@ static int ipw_pci_resume(struct pci_dev
 	if ((val & 0x0000ff00) != 0)
 		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 
+	err = request_irq(pdev->irq, ipw_isr, SA_SHIRQ, DRV_NAME, priv);
+	if (err) {
+		IPW_ERROR("Error allocating IRQ %d\n", pdev->irq);
+		return err;
+	}
+
 	/* Set the device back into the PRESENT state; this will also wake
 	 * the queue of needed */
 	netif_device_attach(dev);