tree 12d4d6e98f4c376632de1b80948c9a005ed4f544
parent 5ebe6afaf0057ac3eaeb98defd5456894b446d22
author Zhichang Yuan <yuanzhichang@hisilicon.com> 1429866309 +0800
committer Bjorn Helgaas <bhelgaas@google.com> 1431790719 -0500

of/pci: Fix pci_address_to_pio() conversion of CPU address to I/O port

41f8bba7f555 ("of/pci: Add pci_register_io_range() and
pci_pio_to_address()") added support for systems with several I/O ranges
described by OF bindings.  It modified pci_address_to_pio() look up the
io_range for a given CPU physical address, but the conversion was wrong.

Fix the conversion of address to I/O port.

[bhelgaas: changelog]
Fixes: 41f8bba7f555 ("of/pci: Add pci_register_io_range() and pci_pio_to_address()")
Signed-off-by: Zhichang Yuan <yuanzhichang@hisilicon.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
CC: stable@vger.kernel.org	# v3.18+