> 1. readb() and friends should get fed bus addresses only.
> 2. As ioremap() returns a virtual address, those addresses should get
> dereferenced directly and Linus' example in IO-mapping.txt should get
> fixed to "baseptr[10]='A';"
>
> Is this correct?
No.
The Right Way to access PCI/ISA memory mapped devices is to ioremap()
the range first and then use (read|write)[bwl] and friends on the remapped
addresses (i.e., the virtual ones).
Have a nice fortnight
-- Martin `MJ' Mares <mj@ucw.cz> http://atrey.karlin.mff.cuni.cz/~mj/ Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth "Linux vs. Windows is a no-WIN situation."- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/