Messages in this thread | | | Subject | Re: [PATCH v1 05/47] pci: add pci_iomap_wc() variants | From | Toshi Kani <> | Date | Fri, 27 Mar 2015 13:18:36 -0600 |
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On Mon, 2015-03-23 at 12:20 -0500, Bjorn Helgaas wrote: : > pci_iomap_range() already makes a cacheable mapping if > IORESOURCE_CACHEABLE; I'm guessing that you would like it to > automatically use WC if the BAR if IORESOURCE_PREFETCH, e.g., > > if (flags & IORESOURCE_CACHEABLE) > return ioremap(start, len);
Is this supposed to be ioremap_cache()? ioremap() is the same as ioremap_nocache() at least on x86 per arch/x86/include/asm/io.h.
> if (flags & IORESOURCE_PREFETCH) > return ioremap_wc(start, len); > return ioremap_nocache(start, len); >
-Toshi
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