On Thu, Jun 09, 2016 at 01:20:23PM -0500, Bjorn Helgaas wrote:
> From: Yinghai Lu
>
> The powerpc-specific __pci_mmap_set_pgprot() does two things:
>
> 1) Disables write combining for I/O port space mappings
>
> This only affects procfs mappings. The pci_mmap_resource() sysfs path
>
From: Yinghai Lu
The powerpc-specific __pci_mmap_set_pgprot() does two things:
1) Disables write combining for I/O port space mappings
This only affects procfs mappings. The pci_mmap_resource() sysfs path
only requests write combining for resources with IORESOURCE_PREFETCH
set
