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SubjectRe: ioremap warning fix for jsm driver.
On Wed, 1 Jun 2011 14:38:41 -0400
lsorense@csclub.uwaterloo.ca (Lennart Sorensen) wrote:

> I saw a warning about ioremap from the jsm driver on a system which
> looked like this:
>
> resource map sanity check conflict: 0xe0200800 0xe02017ff 0xe0200800 0xe0200fff 0000:01:08.0
>
> Turns out the warning is valid. The jsm driver has been asking to ioremap
> 0x1000 forever, but in fact only 8 port chips have 0x1000 bytes of memory.
> 4 port chips have 0x800 and 2 port chips have 0x400 according to the
> data sheet. It makes more sense to map the size of the region rather
> than a hard coded value. If you happen to have the regiong legitimately
> mapped to a base addres that is not 4K aligned, ioremap complains
> otherwise.
>
> Signed-off-by: Len Sorensen <lsorense@csclub.uwaterloo.ca>

Acked-by: Alan Cox <alan@linux.intel.com>


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