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![Alex Williamson](https://secure.gravatar.com/avatar/c33ff614314691159e0e4ecb4173ab84.jpg?s=96&d=mm)
Alex Williamson committed 8633328be24
PCI: Allow read/write access to sysfs I/O port resources PCI sysfs resource files currently only allow mmap'ing. On x86 this works fine for memory backed BARs, but doesn't work at all for I/O port backed BARs. Add read/write to I/O port PCI sysfs resource files to allow userspace access to these device regions. Acked-by: Chris Wright <chrisw@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>