[video planb] don't hardware pci command/cacheline/latency values,

use the PCI layer instead to provide those for us.

drivers/media/video/planb.c

@@ -2158,6 +2158,7 @@ static int find_planb(void)
 	unsigned int		old_base, new_base;
 	unsigned int		irq;
 	struct pci_dev 		*pdev;
+	int rc;
 
 	if (_machine != _MACH_Pmac)
 		return 0;
@@ -2211,18 +2212,25 @@ static int find_planb(void)
 
 	pdev = pci_find_slot (bus, dev_fn);
 	if (!pdev) {
-		printk(KERN_ERR "cannot find slot\n");
-		/* XXX handle error */
+		printk(KERN_ERR "planb: cannot find slot\n");
+		goto err_out;
 	}
 
 	/* Enable response in memory space, bus mastering,
 	   use memory write and invalidate */
-	pci_write_config_word (pdev, PCI_COMMAND,
-		PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
-		PCI_COMMAND_INVALIDATE);
-	/* Set PCI Cache line size & latency timer */
-	pci_write_config_byte (pdev, PCI_CACHE_LINE_SIZE, 0x8);
-	pci_write_config_byte (pdev, PCI_LATENCY_TIMER, 0x40);
+	rc = pci_enable_device(pdev);
+	if (rc) {
+		printk(KERN_ERR "planb: cannot enable PCI device %s\n",
+		       pci_name(pdev));
+		goto err_out;
+	}
+	rc = pci_set_mwi(pdev);
+	if (rc) {
+		printk(KERN_ERR "planb: cannot enable MWI on PCI device %s\n",
+		       pci_name(pdev));
+		goto err_out_disable;
+	}
+	pci_set_master(pdev);
 
 	/* Set the new base address */
 	pci_write_config_dword (pdev, confreg, new_base);
@@ -2234,6 +2242,12 @@ static int find_planb(void)
 	pb->irq	= irq;
 	
 	return planb_num;
+
+err_out_disable:
+	pci_disable_device(pdev);
+err_out:
+	/* FIXME handle error */   /* comment moved from pci_find_slot, above */
+	return 0;
 }
 
 static void release_planb(void)