ide: remove ide_hwif_request_regions()

Index: b/drivers/ide/ide.c
===================================================================
@@ -229,56 +229,6 @@ static int ide_system_bus_speed(void)
 	return pci_dev_present(pci_default) ? 33 : 50;
 }
 
-static struct resource* hwif_request_region(ide_hwif_t *hwif,
-					    unsigned long addr, int num)
-{
-	struct resource *res = request_region(addr, num, hwif->name);
-
-	if (!res)
-		printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
-				hwif->name, addr, addr+num-1);
-	return res;
-}
-
-/**
- *	ide_hwif_request_regions - request resources for IDE
- *	@hwif: interface to use
- *
- *	Requests all the needed resources for an interface.
- *	Right now core IDE code does this work which is deeply wrong.
- *	MMIO leaves it to the controller driver,
- *	PIO will migrate this way over time.
- */
-
-int ide_hwif_request_regions(ide_hwif_t *hwif)
-{
-	unsigned long addr;
-
-	if (hwif->mmio)
-		return 0;
-
-	addr = hwif->io_ports[IDE_CONTROL_OFFSET];
-
-	if (addr && !hwif_request_region(hwif, addr, 1))
-		goto control_region_busy;
-
-	addr = hwif->io_ports[IDE_DATA_OFFSET];
-	BUG_ON((addr | 7) != hwif->io_ports[IDE_STATUS_OFFSET]);
-
-	if (!hwif_request_region(hwif, addr, 8))
-		goto data_region_busy;
-
-	return 0;
-
-data_region_busy:
-	addr = hwif->io_ports[IDE_CONTROL_OFFSET];
-	if (addr)
-		release_region(addr, 1);
-control_region_busy:
-	/* If any errors are return, we drop the hwif interface. */
-	return -EBUSY;
-}
-
 void ide_remove_port_from_hwgroup(ide_hwif_t *hwif)
 {
 	ide_hwgroup_t *hwgroup = hwif->hwgroup;

Index: b/include/linux/ide.h
===================================================================
@@ -1204,7 +1204,6 @@ static inline void ide_acpi_set_state(id
 #endif
 
 void ide_remove_port_from_hwgroup(ide_hwif_t *);
-extern int ide_hwif_request_regions(ide_hwif_t *hwif);
 void ide_unregister(unsigned int);
 
 void ide_register_region(struct gendisk *);