sunsu: Fix detection of SU ports which are RSC console or control.

These device nodes are named "rsc-console" and "rsc-control" rather
than 'serial', but the device_type property is 'serial' so we'll
tip off of that for detection.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 68d262b15749..f6511a44d15b 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1517,6 +1517,10 @@ static const struct of_device_id su_match[] = {
                 .name = "serial",
                 .compatible = "su",
         },
+        {
+                .type = "serial",
+                .compatible = "su",
+        },
         {},
 };
 MODULE_DEVICE_TABLE(of, su_match);
@@ -1548,6 +1552,12 @@ static int __init sunsu_init(void)
                                 num_uart++;
                 }
         }
+        for_each_node_by_type(dp, "serial") {
+                if (of_device_is_compatible(dp, "su")) {
+                        if (su_get_type(dp) == SU_PORT_PORT)
+                                num_uart++;
+                }
+        }
 
         if (num_uart) {
                 err = sunserial_register_minors(&sunsu_reg, num_uart);