X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Flcd.c;h=1c29b20e4f4cc0afb017f947221db84d2f378e70;hb=cadc723cc19ce6b881d973d3c04e25ebb83058e6;hp=5f4fdcf7c96e50124404e3e1fa16963bf9da9480;hpb=a22a0fab32e1216df56e4b9a577dc5c922cf7524;p=pandora-kernel.git

diff --git a/drivers/char/lcd.c b/drivers/char/lcd.c
index 5f4fdcf7c96e..1c29b20e4f4c 100644
--- a/drivers/char/lcd.c
+++ b/drivers/char/lcd.c
@@ -11,9 +11,6 @@
  *       March 2001: Ported from 2.0.34  by Liam Davies
  *
  */
-
-#define RTC_IO_EXTENT	0x10	/*Only really two ports, but... */
-
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/miscdevice.h>
@@ -23,17 +20,15 @@
 #include <linux/mc146818rtc.h>
 #include <linux/netdevice.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 #include <linux/delay.h>
 
 #include <asm/io.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
-#include <linux/delay.h>
 
 #include "lcd.h"
 
-static DEFINE_SPINLOCK(lcd_lock);
-
 static int lcd_ioctl(struct inode *inode, struct file *file,
 		     unsigned int cmd, unsigned long arg);
 
@@ -420,6 +415,8 @@ static int lcd_ioctl(struct inode *inode, struct file *file,
 
 static int lcd_open(struct inode *inode, struct file *file)
 {
+	cycle_kernel_lock();
+
 	if (!lcd_present)
 		return -ENXIO;
 	else