From b31023fc24e5c39d246e9c6fc75dba1a2902c1d6 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Mon, 7 Nov 2005 14:12:47 -0800
Subject: [SPARC] openprom: implement ->compat_ioctl

implement a compat_ioctl handle in the driver instead of having table
entries in sparc64 ioctl32.c (I plan to get rid of the arch ioctl32.c
file eventually)

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/sbus/char/openprom.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'drivers')

diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index 58ed33749571..5028ac214326 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -39,6 +39,7 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/miscdevice.h>
+#include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <asm/oplib.h>
@@ -565,6 +566,38 @@ static int openprom_ioctl(struct inode * inode, struct file * file,
 	}
 }
 
+static long openprom_compat_ioctl(struct file *file, unsigned int cmd,
+		unsigned long arg)
+{
+	long rval = -ENOTTY;
+
+	/*
+	 * SunOS/Solaris only, the NetBSD one's have embedded pointers in
+	 * the arg which we'd need to clean up...
+	 */
+	switch (cmd) {
+	case OPROMGETOPT:
+	case OPROMSETOPT:
+	case OPROMNXTOPT:
+	case OPROMSETOPT2:
+	case OPROMNEXT:
+	case OPROMCHILD:
+	case OPROMGETPROP:
+	case OPROMNXTPROP:
+	case OPROMU2P:
+	case OPROMGETCONS:
+	case OPROMGETFBNAME:
+	case OPROMGETBOOTARGS:
+	case OPROMSETCUR:
+	case OPROMPCI2NODE:
+	case OPROMPATH2NODE:
+		lock_kernel();
+		rval = openprom_ioctl(file->f_dentry->d_inode, file, cmd, arg);
+		lock_kernel();
+		break;
+	}
+}
+
 static int openprom_open(struct inode * inode, struct file * file)
 {
 	DATA *data;
-- 
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