Hi there, Benjamin Herrenschmidt wrote: > On Wed, 2006-05-24 at 01:39 +1000, Anton Blanchard wrote: > > > > +#ifdef CONFIG_MTRR > > > + mgp->mtrr = mtrr_add(mgp->iomem_base, mgp->board_span, > > > + MTRR_TYPE_WRCOMB, 1); > > > +#endif > > ... > > > + mgp->sram = ioremap(mgp->iomem_base, mgp->board_span); > > > > Not sure how we are meant to specify write through in drivers. Any ideas > > Ben? > > No proper interface exposed, he'll have to do an #ifdef powerpc here or > such and use __ioremap with explicit page attributes. I have a hack to > do that automatically for memory covered by prefetchable PCI BARs when > mmap'ing from userland but not for kernel ioremap.
Stupid question: pci_iomap() is NOT what you are looking for, right? Implementation is at the end of lib/iomap.c Regards Ingo Oeser - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
