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| author | Thomas Petazzoni <thomas.petazzoni@bootlin.com> | 2018-08-03 17:38:44 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-15 10:40:39 +0300 |
| commit | d07bbe50d1b7e98fb1afeed62506c28dd1a21700 (patch) | |
| tree | f024fbcd00dc7b7b22bd3a0899a6d811df436868 | |
| parent | 242343ebf645ca5c89aac3ee9503484177c7bb6a (diff) | |
| download | linux-d07bbe50d1b7e98fb1afeed62506c28dd1a21700.tar.xz | |
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>
| -rw-r--r-- | drivers/pci/host/pci-mvebu.c | 2 |
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; |