Benjamin Herrenschmidt wrote:
To be more precise, a platform has every right to return some kind of "token" from ioport_map/pci_iomap that encodes the type of address, and that is -different- from what a normal ioremap does. In which case, you will -not- be able to use readb/writeb & cie on such a token. The fact that current implementations seem to return something for MMIO that is equivalent to what ioremap returns is an accident and cannot be relied upon.
Fair enough. It's easy enough to change ath5k to using ioremap (or pci_ioremap).
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