3 files changed, 4 insertions, 7 deletions
diff --git a/drivers/isdn/hardware/eicon/divamnt.c b/drivers/isdn/hardware/eicon/divamnt.c
index 1e85f743214e..f1d464f1e107 100644
--- a/drivers/isdn/hardware/eicon/divamnt.c
+++ b/drivers/isdn/hardware/eicon/divamnt.c
@@ -14,7 +14,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/poll.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 #include <asm/uaccess.h>
 
 #include "platform.h"
@@ -22,6 +22,7 @@
 #include "divasync.h"
 #include "debug_if.h"
 
+static DEFINE_MUTEX(maint_mutex);
 static char *main_revision = "$Revision: 1.32.6.10 $";
 
 static int major;
@@ -130,7 +131,7 @@ static int maint_open(struct inode *ino, struct file *filep)
 {
 	int ret;
 
-	lock_kernel();
+	mutex_lock(&maint_mutex);
 	/* only one open is allowed, so we test
 	   it atomically */
 	if (test_and_set_bit(0, &opened))
@@ -139,7 +140,7 @@ static int maint_open(struct inode *ino, struct file *filep)
 		filep->private_data = NULL;
 		ret = nonseekable_open(ino, filep);
 	}
-	unlock_kernel();
+	mutex_unlock(&maint_mutex);
 	return ret;
 }
 
diff --git a/drivers/isdn/hardware/eicon/divasi.c b/drivers/isdn/hardware/eicon/divasi.c
index f577719ab3fa..42d3b8346034 100644
--- a/drivers/isdn/hardware/eicon/divasi.c
+++ b/drivers/isdn/hardware/eicon/divasi.c
@@ -18,7 +18,6 @@
 #include <linux/proc_fs.h>
 #include <linux/skbuff.h>
 #include <linux/seq_file.h>
-#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 
 #include "platform.h"
@@ -402,7 +401,6 @@ static unsigned int um_idi_poll(struct file *file, poll_table * wait)
 
 static int um_idi_open(struct inode *inode, struct file *file)
 {
-	cycle_kernel_lock();
 	return (0);
 }
 
diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c
index fbbcb27fb681..16a874bb1561 100644
--- a/drivers/isdn/hardware/eicon/divasmain.c
+++ b/drivers/isdn/hardware/eicon/divasmain.c
@@ -21,7 +21,6 @@
 #include <linux/list.h>
 #include <linux/poll.h>
 #include <linux/kmod.h>
-#include <linux/smp_lock.h>
 
 #include "platform.h"
 #undef ID_MASK
@@ -581,7 +580,6 @@ xdi_copy_from_user(void *os_handle, void *dst, const void __user *src, int lengt
  */
 static int divas_open(struct inode *inode, struct file *file)
 {
-	cycle_kernel_lock();
 	return (0);
 }