X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Ftty_ldisc.h;h=40f38d896777400f1bcbb56c36063eed22db45fe;hb=8e320d02718d2872d52ef88a69a493e420494269;hp=d75932e2771094c7066667a0c6357eb079f480b5;hpb=cece901481bafbf14de8cbd3a89ae869ea881055;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index d75932e2771..40f38d89677 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -59,6 +59,11 @@
  * 	low-level driver can "grab" an ioctl request before the line
  * 	discpline has a chance to see it.
  * 
+ * long	(*compat_ioctl)(struct tty_struct * tty, struct file * file,
+ * 		        unsigned int cmd, unsigned long arg);
+ *
+ *      Process ioctl calls from 32-bit process on 64-bit system
+ *
  * void	(*set_termios)(struct tty_struct *tty, struct ktermios * old);
  *
  * 	This function notifies the line discpline that a change has
@@ -99,7 +104,7 @@
 #include <linux/fs.h>
 #include <linux/wait.h>
 
-struct tty_ldisc {
+struct tty_ldisc_ops {
 	int	magic;
 	char	*name;
 	int	num;
@@ -118,6 +123,8 @@ struct tty_ldisc {
 			 const unsigned char * buf, size_t nr);	
 	int	(*ioctl)(struct tty_struct * tty, struct file * file,
 			 unsigned int cmd, unsigned long arg);
+	long	(*compat_ioctl)(struct tty_struct * tty, struct file * file,
+				unsigned int cmd, unsigned long arg);
 	void	(*set_termios)(struct tty_struct *tty, struct ktermios * old);
 	unsigned int (*poll)(struct tty_struct *, struct file *,
 			     struct poll_table_struct *);
@@ -135,6 +142,11 @@ struct tty_ldisc {
 	int refcount;
 };
 
+struct tty_ldisc {
+	struct tty_ldisc_ops *ops;
+	int refcount;
+};
+
 #define TTY_LDISC_MAGIC	0x5403
 
 #define LDISC_FLAG_DEFINED	0x00000001