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path: root/drivers/pci/host/pci-tegra.c
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Diffstat (limited to 'drivers/pci/host/pci-tegra.c')
-rw-r--r--drivers/pci/host/pci-tegra.c68
1 files changed, 3 insertions, 65 deletions
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index a800ae916394..00e92720d7f7 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -480,59 +480,10 @@ static void __iomem *tegra_pcie_conf_address(struct pci_bus *bus,
return addr;
}
-static int tegra_pcie_read_conf(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 *value)
-{
- void __iomem *addr;
-
- addr = tegra_pcie_conf_address(bus, devfn, where);
- if (!addr) {
- *value = 0xffffffff;
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
-
- *value = readl(addr);
-
- if (size == 1)
- *value = (*value >> (8 * (where & 3))) & 0xff;
- else if (size == 2)
- *value = (*value >> (8 * (where & 3))) & 0xffff;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int tegra_pcie_write_conf(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 value)
-{
- void __iomem *addr;
- u32 mask, tmp;
-
- addr = tegra_pcie_conf_address(bus, devfn, where);
- if (!addr)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- if (size == 4) {
- writel(value, addr);
- return PCIBIOS_SUCCESSFUL;
- }
-
- if (size == 2)
- mask = ~(0xffff << ((where & 0x3) * 8));
- else if (size == 1)
- mask = ~(0xff << ((where & 0x3) * 8));
- else
- return PCIBIOS_BAD_REGISTER_NUMBER;
-
- tmp = readl(addr) & mask;
- tmp |= value << ((where & 0x3) * 8);
- writel(tmp, addr);
-
- return PCIBIOS_SUCCESSFUL;
-}
-
static struct pci_ops tegra_pcie_ops = {
- .read = tegra_pcie_read_conf,
- .write = tegra_pcie_write_conf,
+ .map_bus = tegra_pcie_conf_address,
+ .read = pci_generic_config_read32,
+ .write = pci_generic_config_write32,
};
static unsigned long tegra_pcie_port_get_pex_ctrl(struct tegra_pcie_port *port)
@@ -625,19 +576,6 @@ static void tegra_pcie_port_free(struct tegra_pcie_port *port)
devm_kfree(pcie->dev, port);
}
-static void tegra_pcie_fixup_bridge(struct pci_dev *dev)
-{
- u16 reg;
-
- if ((dev->class >> 16) == PCI_BASE_CLASS_BRIDGE) {
- pci_read_config_word(dev, PCI_COMMAND, &reg);
- reg |= (PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
- PCI_COMMAND_MASTER | PCI_COMMAND_SERR);
- pci_write_config_word(dev, PCI_COMMAND, reg);
- }
-}
-DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, tegra_pcie_fixup_bridge);
-
/* Tegra PCIE root complex wrongly reports device class */
static void tegra_pcie_fixup_class(struct pci_dev *dev)
{