From 2acdb1694494eb6f17b44b2b3065879af32d0d46 Mon Sep 17 00:00:00 2001
From: Paul Fulghum <paulkf@microgate.com>
Date: Thu, 10 May 2007 22:22:43 -0700
Subject: synclink_gt: add compat_ioctl
Add support for 32 bit ioctl on 64 bit systems for synclink_gt
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/Kbuild | 2 +-
include/linux/synclink.h | 24 ++++++++++++++++++++++++
2 files changed, 25 insertions(+), 1 deletion(-)
(limited to 'include')
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 94cc04a143f..645b3b52815 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -140,7 +140,6 @@ header-y += snmp.h
header-y += sockios.h
header-y += som.h
header-y += sound.h
-header-y += synclink.h
header-y += taskstats.h
header-y += telephony.h
header-y += termios.h
@@ -320,6 +319,7 @@ unifdef-y += sonypi.h
unifdef-y += soundcard.h
unifdef-y += stat.h
unifdef-y += stddef.h
+unifdef-y += synclink.h
unifdef-y += sysctl.h
unifdef-y += tcp.h
unifdef-y += time.h
diff --git a/include/linux/synclink.h b/include/linux/synclink.h
index c8b042667af..5562fbf7209 100644
--- a/include/linux/synclink.h
+++ b/include/linux/synclink.h
@@ -291,4 +291,28 @@ struct gpio_desc {
#define MGSL_IOCGGPIO _IOR(MGSL_MAGIC_IOC,17,struct gpio_desc)
#define MGSL_IOCWAITGPIO _IOWR(MGSL_MAGIC_IOC,18,struct gpio_desc)
+#ifdef __KERNEL__
+/* provide 32 bit ioctl compatibility on 64 bit systems */
+#ifdef CONFIG_COMPAT
+#include <linux/compat.h>
+struct MGSL_PARAMS32 {
+ compat_ulong_t mode;
+ unsigned char loopback;
+ unsigned short flags;
+ unsigned char encoding;
+ compat_ulong_t clock_speed;
+ unsigned char addr_filter;
+ unsigned short crc_type;
+ unsigned char preamble_length;
+ unsigned char preamble;
+ compat_ulong_t data_rate;
+ unsigned char data_bits;
+ unsigned char stop_bits;
+ unsigned char parity;
+};
+#define MGSL_IOCSPARAMS32 _IOW(MGSL_MAGIC_IOC,0,struct MGSL_PARAMS32)
+#define MGSL_IOCGPARAMS32 _IOR(MGSL_MAGIC_IOC,1,struct MGSL_PARAMS32)
+#endif
+#endif
+
#endif /* _SYNCLINK_H_ */
--
cgit v1.2.3-18-g5258