[SERIAL] Use an enum for serial8250 platform device IDs

Rather than hard-coding the platform device IDs, enumerate them.
We don't particularly care about the actual ID we get, just as
long as they're unique.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 30a0a3d10145..5b65e208893b 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2536,7 +2536,7 @@ static int __init serial8250_init(void)
                 goto out;
 
         serial8250_isa_devs = platform_device_register_simple("serial8250",
-                                                              -1, NULL, 0);
+                                         PLAT8250_DEV_LEGACY, NULL, 0);
         if (IS_ERR(serial8250_isa_devs)) {
                 ret = PTR_ERR(serial8250_isa_devs);
                 goto unreg;