Re: [patch] x86, voyager: fix ioremap_nocache()

From: Thomas Gleixner
Date: Sun Apr 27 2008 - 19:02:43 EST


On Sun, 27 Apr 2008, Jeff Garzik wrote:
>
> Isn't there Yet More Breakage in lib/iomap.c, given these new semantics?
>
> if (flags & IORESOURCE_MEM) {
> if (flags & IORESOURCE_CACHEABLE)
> return ioremap(start, len);
> return ioremap_nocache(start, len);
> }

That's broken anyway as we are inconsistent across
architectures. ioremap defaults to uncached at least on:

POWERPC, ARM, MIPS, SH, FRV, PARISC, H8300, M68K, BLACKFIN, M68KNOMMU

So changing the above to ioremap_cache() would provide the desired
results across architectures.

Thanks,

tglx
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