On Fri, 28 Jan 2000, James A Simmons wrote:
> > Some FB drivers check the A000 area and find it busy then bomb out
> Hopefully we can work on these card to make them use MMIO regions instead
> of the A000 area. Possible io_region_release on explict opening of
> /dev/fb and restore on closing.
Not possible for all cases. 0xA0000 is a special case which must be
handled. Linus' advice was to ignore the 0xA0000 region (from resource
perspective) and simply write to it assuming you own it. I don't
like that, but it is one solution.
Jeff
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