summaryrefslogtreecommitdiff
path: root/drivers/pci
diff options
context:
space:
mode:
authorThomas Petazzoni <thomas.petazzoni@bootlin.com>2018-08-03 16:38:44 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-15 09:40:39 +0200
commitd07bbe50d1b7e98fb1afeed62506c28dd1a21700 (patch)
treef024fbcd00dc7b7b22bd3a0899a6d811df436868 /drivers/pci
parent242343ebf645ca5c89aac3ee9503484177c7bb6a (diff)
PCI: mvebu: Fix I/O space end address calculation
[ Upstream commit dfd0309fd7b30a5baffaf47b2fccb88b46d64d69 ] pcie->realio.end should be the address of last byte of the area, therefore using resource_size() of another resource is not correct, we must substract 1 to get the address of the last byte. Fixes: 11be65472a427 ("PCI: mvebu: Adapt to the new device tree layout") Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/host/pci-mvebu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index 379d08f76146..d0a4652bb9ac 100644
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -1235,7 +1235,7 @@ static int mvebu_pcie_probe(struct platform_device *pdev)
pcie->realio.start = PCIBIOS_MIN_IO;
pcie->realio.end = min_t(resource_size_t,
IO_SPACE_LIMIT,
- resource_size(&pcie->io));
+ resource_size(&pcie->io) - 1);
} else
pcie->realio = pcie->io;