[patch 5/9] add ide_{un}register_region()

Add ide_{un}register_region() and fix ide-{tape,scsi}.c to register block device number ranges. In ata_probe() only probe for modules. Behavior is unchanged because: * if driver is already loaded and attached to drive ata_probe() is not called et all * if driver is loaded by ata_probe() it

[patch 5/9] add ide_{un}register_region()

Add ide_{un}register_region() and fix ide-{tape,scsi}.c to register block device number ranges. In ata_probe() only probe for modules. Behavior is unchanged because: * if driver is already loaded and attached to drive ata_probe() is not called et all * if driver is loaded by ata_probe() it