ioremap on powerpc question
Steve.Cameron at hp.com
Tue Jul 16 06:48:30 EST 2002
> I have a question about ioremap_nocache() on powerpc.
> Now, I see threads on LKML via google that say, essentially,
> "you _must_ use readb/writeb, etc to access addresses returned
> by ioremap," [...]
> Using readb/writeb would defeat my purpose.
One more data point. I tried it with writeb, just to see,
and it blows up just the same anyway, with machine check (bus error).
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