From: Thomas Petazzoni thomas.petazzoni@bootlin.com
[ 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 --- drivers/pci/host/pci-mvebu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c index 90e0b6f134ad..23d7f73cc347 100644 --- a/drivers/pci/host/pci-mvebu.c +++ b/drivers/pci/host/pci-mvebu.c @@ -1236,7 +1236,7 @@ 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;