PCI: mvebu: fix off-by-one in the computed size of the mbus windows

mvebu_pcie_handle_membase_change() and
mvebu_pcie_handle_iobase_change() do not correctly compute the window
size. PCI uses an inclusive start/end address pair, which requires a
+1 when converting to size.

This only worked because a bug in the mbus driver allowed it to
silently accept and round up bogus sizes.

Fix this by adding one to the computed size.

Fixes: 45361a4fe446 ('PCIe driver for Marvell Armada 370/XP systems')
Cc: <[email protected]> # v3.11+
Signed-off-by: Willy Tarreau <[email protected]>
Reviewed-By: Jason Gunthorpe <[email protected]>
Signed-off-by: Thomas Petazzoni <[email protected]>
Link: https://lkml.kernel.org/r/1397823593-1932-5-git-send-email-thomas.petazzoni@free-electrons.com
Tested-by: Neil Greatorex <[email protected]>
Acked-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Jason Cooper <[email protected]>

0 files changed, 0 insertions, 0 deletions