PCI: spear: Rename add_pcie_port(), pcie_init() to spear13xx_add_pcie_port(), etc.

The add_pcie_port() and pcie_init() functions are SPEAr13xx-specific.  Add
spear13xx prefix to avoid collision in global name space.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

drivers/pci/host/pcie-spear13xx.c

@@ -269,7 +269,8 @@ static struct pcie_host_ops spear13xx_pcie_host_ops = {
 	.host_init = spear13xx_pcie_host_init,
 };
 
-static int add_pcie_port(struct pcie_port *pp, struct platform_device *pdev)
+static int spear13xx_add_pcie_port(struct pcie_port *pp,
+				   struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	int ret;
@@ -352,7 +353,7 @@ static int __init spear13xx_pcie_probe(struct platform_device *pdev)
 	if (of_property_read_bool(np, "st,pcie-is-gen1"))
 		spear13xx_pcie->is_gen1 = true;
 
-	ret = add_pcie_port(pp, pdev);
+	ret = spear13xx_add_pcie_port(pp, pdev);
 	if (ret < 0)
 		goto fail_clk;
 
@@ -382,11 +383,11 @@ static struct platform_driver spear13xx_pcie_driver __initdata = {
 
 /* SPEAr13xx PCIe driver does not allow module unload */
 
-static int __init pcie_init(void)
+static int __init spear13xx_pcie_init(void)
 {
 	return platform_driver_register(&spear13xx_pcie_driver);
 }
-module_init(pcie_init);
+module_init(spear13xx_pcie_init);
 
 MODULE_DESCRIPTION("ST Microelectronics SPEAr13xx PCIe host controller driver");
 MODULE_AUTHOR("Pratyush Anand <pratyush.anand@st.com>");