> You must _not_ use readb()/writeb() and friends with ISA memory space! > You must use isa_readb()/isa_writeb() and friends! Linus is saying the reverse. Drivers are moving away from isa_ > But for memory accesses, ISA memory space is not necessarily at `address 0'. ioremap uses ookies, its up to yoyu what you hide in the cookie from an ISA ioremap
