From: Thomas Petazzoni Date: Fri, 3 Aug 2018 14:38:44 +0000 (+0200) Subject: PCI: mvebu: Fix I/O space end address calculation X-Git-Tag: microblaze-v5.0-rc1~596^2~1^2~4 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=dfd0309fd7b30a5baffaf47b2fccb88b46d64d69;p=linux-2.6-microblaze.git PCI: mvebu: Fix I/O space end address calculation 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 Signed-off-by: Lorenzo Pieralisi --- diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c index 38fa2d08527d..a195592723c2 100644 --- a/drivers/pci/controller/pci-mvebu.c +++ b/drivers/pci/controller/pci-mvebu.c @@ -1219,7 +1219,7 @@ 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;