Merge branch 'linus' into core/rcu

[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 61dd17449ddceb06267babf5373505984f7abd9c..4d96e1db55ee276c6c7a1e5e7b063c38d926b338 100644 (file)
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -33,13 +33,14 @@ static struct legacy_serial_info {
        phys_addr_t                     taddr;
 } legacy_serial_infos[MAX_LEGACY_SERIAL_PORTS];
 
-static struct __initdata of_device_id parents[] = {
+static struct __initdata of_device_id legacy_serial_parents[] = {
        {.type = "soc",},
        {.type = "tsi-bridge",},
        {.type = "opb", },
        {.compatible = "ibm,opb",},
        {.compatible = "simple-bus",},
        {.compatible = "wrs,epld-localbus",},
+       {},
 };
 
 static unsigned int legacy_serial_count;
@@ -136,6 +137,11 @@ static int __init add_legacy_soc_port(struct device_node *np,
        if (of_get_property(np, "clock-frequency", NULL) == NULL)
                return -1;
 
+       /* if reg-shift or offset, don't try to use it */
+       if ((of_get_property(np, "reg-shift", NULL) != NULL) ||
+               (of_get_property(np, "reg-offset", NULL) != NULL))
+               return -1;
+
        /* if rtas uses this device, don't try to use it as well */
        if (of_get_property(np, "used-by-rtas", NULL) != NULL)
                return -1;
@@ -322,7 +328,7 @@ void __init find_legacy_serial_ports(void)
                struct device_node *parent = of_get_parent(np);
                if (!parent)
                        continue;
-               if (of_match_node(parents, parent) != NULL) {
+               if (of_match_node(legacy_serial_parents, parent) != NULL) {
                        index = add_legacy_soc_port(np, np);
                        if (index >= 0 && np == stdout)
                                legacy_serial_console = index;