PPC kernel hangs

Jon Masters jonmasters at gmail.com
Wed Oct 13 09:03:21 EST 2004

On Tue, 12 Oct 2004 14:36:34 -0700, Eugene Surovegin <ebs at ebshome.net> wrote:

> Did you use ioremap to get valid kernel virtual address for your
> device registers? You generally cannot just use physical address to
> access device from the device driver.

Possibly also use io_block_mapping on ppc to map a block of IO memory
before ioremapping.


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