From aed615a95f6dcc243daa99cc80658ad9ada95097 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Mon, 9 Jan 2006 20:51:39 -0800
Subject: [PATCH] [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>
---
 drivers/char/Kconfig         | 2 +-
 drivers/char/rio/rio_linux.c | 4 ----
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 77286eb582..977a74e16e 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 d7d484024e..2611b15b6b 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"
-- 
2.39.5