On Fri, Feb 17, 2006 at 12:46:05AM -0800, Chris Wedgwood wrote:
> On Thu, Feb 16, 2006 at 11:58:29PM -0800, Grant Grundler wrote:
>
> > The root cause is the use of u32 to describe a PCI resource "start".
> > phys_addr needs to be "unsigned long". More details in Log entry
> > below.
>
> That won't always suffice.
>
> I have machines at work that will place some PCI resources above the
> 4GB boundary even when booting in '32-bit OS' mode (there is a BIOS
> option for this but no matter the setting some resources always end up
> above 4GB). I've heard from others they've also been hit by this
> (with 64-bit kernels it's fine). I guess it could be argued that it's
> a BIOS bug, I'm not entirely sure what to thing, Windows seems to
> deal with it.
So we need to use dma_addr_t here, I guess.
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