EISA: Drop unused pci_bus_for_each_resource() index argument

pci_bus_for_each_resource() can hide the iterator index if it is not needed
otherwise. Drop the index from pci_eisa_init() since it's not needed there.

Link: https://lore.kernel.org/r/20230330162434.35055-7-andriy.shevchenko@linux.intel.comSigned-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

drivers/eisa/pci_eisa.c

@@ -20,8 +20,8 @@ static struct eisa_root_device pci_eisa_root;
 
 static int __init pci_eisa_init(struct pci_dev *pdev)
 {
-	int rc, i;
 	struct resource *res, *bus_res = NULL;
+	int rc;
 
 	if ((rc = pci_enable_device (pdev))) {
 		dev_err(&pdev->dev, "Could not enable device\n");
@@ -38,7 +38,7 @@ static int __init pci_eisa_init(struct pci_dev *pdev)
 	 * eisa_root_register() can only deal with a single io port resource,
 	*  so we use the first valid io port resource.
 	 */
-	pci_bus_for_each_resource(pdev->bus, res, i)
+	pci_bus_for_each_resource(pdev->bus, res)
 		if (res && (res->flags & IORESOURCE_IO)) {
 			bus_res = res;
 			break;