* 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>
#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);
static int lcd_open(struct inode *inode, struct file *file)
{
+ cycle_kernel_lock();
+
if (!lcd_present)
return -ENXIO;
else