[POWERPC] Add legacy serial support for OPB with flattened device tree

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / legacy_serial.c

diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 63dd2c3ad95e0c200716404aba1e0b0045c2eb97..4ed58875ee17ffe490268e6fb5f36dd14c27ae6a 100644 (file)
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -115,7 +115,8 @@ static int __init add_legacy_soc_port(struct device_node *np,
 {
        u64 addr;
        const u32 *addrp;
-       upf_t flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ;
+       upf_t flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ
+               | UPF_FIXED_PORT;
        struct device_node *tsi = of_get_parent(np);
 
        /* We only support ports that have a clock frequency properly
@@ -243,9 +244,9 @@ static int __init add_legacy_pci_port(struct device_node *np,
         * doesn't work for these settings, you'll have to add your own special
         * cases here
         */
-       if (device_is_compatible(pci_dev, "pci13a8,152") ||
-           device_is_compatible(pci_dev, "pci13a8,154") ||
-           device_is_compatible(pci_dev, "pci13a8,158")) {
+       if (of_device_is_compatible(pci_dev, "pci13a8,152") ||
+           of_device_is_compatible(pci_dev, "pci13a8,154") ||
+           of_device_is_compatible(pci_dev, "pci13a8,158")) {
                addr += 0x200 * lindex;
                base += 0x200 * lindex;
        } else {
@@ -339,9 +340,10 @@ void __init find_legacy_serial_ports(void)
        }
 
        /* First fill our array with opb bus ports */
-       for (np = NULL; (np = of_find_compatible_node(np, "serial", "ns16750")) != NULL;) {
+       for (np = NULL; (np = of_find_compatible_node(np, "serial", "ns16550")) != NULL;) {
                struct device_node *opb = of_get_parent(np);
-               if (opb && !strcmp(opb->type, "opb")) {
+               if (opb && (!strcmp(opb->type, "opb") ||
+                           of_device_is_compatible(opb, "ibm,opb"))) {
                        index = add_legacy_soc_port(np, np);
                        if (index >= 0 && np == stdout)
                                legacy_serial_console = index;
@@ -364,11 +366,11 @@ void __init find_legacy_serial_ports(void)
                /* Check for known pciclass, and also check wether we have
                 * a device with child nodes for ports or not
                 */
-               if (device_is_compatible(np, "pciclass,0700") ||
-                   device_is_compatible(np, "pciclass,070002"))
+               if (of_device_is_compatible(np, "pciclass,0700") ||
+                   of_device_is_compatible(np, "pciclass,070002"))
                        pci = np;
-               else if (device_is_compatible(parent, "pciclass,0700") ||
-                        device_is_compatible(parent, "pciclass,070002"))
+               else if (of_device_is_compatible(parent, "pciclass,0700") ||
+                        of_device_is_compatible(parent, "pciclass,070002"))
                        pci = parent;
                else {
                        of_node_put(parent);
@@ -492,7 +494,7 @@ static int __init serial_dev_init(void)
 
        return platform_device_register(&serial_device);
 }
-arch_initcall(serial_dev_init);
+device_initcall(serial_dev_init);
 
 
 /*