diff options
Diffstat (limited to 'drivers/pci/pci_mvebu.c')
| -rw-r--r-- | drivers/pci/pci_mvebu.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/pci/pci_mvebu.c b/drivers/pci/pci_mvebu.c index bea8dcfc91..0cd05ead44 100644 --- a/drivers/pci/pci_mvebu.c +++ b/drivers/pci/pci_mvebu.c @@ -151,7 +151,6 @@ static int mvebu_pcie_read_config(const struct udevice *bus, pci_dev_t bdf, struct mvebu_pcie *pcie = dev_get_plat(bus); int local_bus = PCI_BUS(pcie->dev); int local_dev = PCI_DEV(pcie->dev); - u32 reg; u32 data; debug("PCIE CFG read: loc_bus=%d loc_dev=%d (b,d,f)=(%2d,%2d,%2d) ", @@ -172,8 +171,9 @@ static int mvebu_pcie_read_config(const struct udevice *bus, pci_dev_t bdf, } /* write address */ - reg = PCIE_CONF_ADDR(bdf, offset); - writel(reg, pcie->base + PCIE_CONF_ADDR_OFF); + writel(PCIE_CONF_ADDR(bdf, offset), pcie->base + PCIE_CONF_ADDR_OFF); + + /* read data */ data = readl(pcie->base + PCIE_CONF_DATA_OFF); debug("(addr,val)=(0x%04x, 0x%08x)\n", offset, data); *valuep = pci_conv_32_to_size(data, offset, size); @@ -206,7 +206,10 @@ static int mvebu_pcie_write_config(struct udevice *bus, pci_dev_t bdf, return 0; } + /* write address */ writel(PCIE_CONF_ADDR(bdf, offset), pcie->base + PCIE_CONF_ADDR_OFF); + + /* write data */ data = pci_conv_size_to_32(0, value, offset, size); writel(data, pcie->base + PCIE_CONF_DATA_OFF); |