[PATCH] Disable rio on 64-bit platforms

Do it via Kconfig rather than via #error.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 1 insertions, 5 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 77286eb5826..977a74e16ef 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -290,7 +290,7 @@ config SX
 
 config RIO
         tristate "Specialix RIO system support"
-        depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP
+        depends on SERIAL_NONSTANDARD && BROKEN_ON_SMP && !64BIT
         help
           This is a driver for the Specialix RIO, a smart serial card which
           drives an outboard box that can support up to 128 ports.  Product
diff --git a/drivers/char/rio/rio_linux.c b/drivers/char/rio/rio_linux.c
index d7d484024e2..2611b15b6bd 100644
--- a/drivers/char/rio/rio_linux.c
+++ b/drivers/char/rio/rio_linux.c
@@ -56,10 +56,6 @@
 #include <linux/generic_serial.h>
 #include <asm/uaccess.h>
 
-#if BITS_PER_LONG != 32
-#  error FIXME: this driver only works on 32-bit platforms
-#endif
-
 #include "linux_compat.h"
 #include "typdef.h"
 #include "pkt.h"