The reg variable used when setting PCIECAR register need to be masked by 0xFC by restriction of the corresponding register. This adds PCIE_CONF_REGNO are macros for masking changes that PCIE_CONF_REGNO is used when setting PCIECAR register. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@xxxxxxxxxxx> --- drivers/pci/host/pcie-rcar.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c index c57bd0a..1f493ef 100644 --- a/drivers/pci/host/pcie-rcar.c +++ b/drivers/pci/host/pcie-rcar.c @@ -104,6 +104,7 @@ #define PCIE_CONF_BUS(b) (((b) & 0xff) << 24) #define PCIE_CONF_DEV(d) (((d) & 0x1f) << 19) #define PCIE_CONF_FUNC(f) (((f) & 0x7) << 16) +#define PCIE_CONF_REGNO(r) (r & 0xfc) #define RCAR_PCI_MAX_RESOURCES 4 #define MAX_NR_INBOUND_MAPS 6 @@ -227,7 +228,8 @@ static int rcar_pcie_config_access(struct rcar_pcie *pcie, /* Set the PIO address */ rcar_pci_write_reg(pcie, PCIE_CONF_BUS(bus->number) | - PCIE_CONF_DEV(dev) | PCIE_CONF_FUNC(func) | reg, PCIECAR); + PCIE_CONF_DEV(dev) | PCIE_CONF_FUNC(func) | + PCIE_CONF_REGNO(reg), PCIECAR); /* Enable the configuration access */ if (bus->parent->number == pcie->root_bus_nr) -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
