CRIS: v10: remove all BKL usage

We don't need to take the BKL here.
Also fixes compile error after last commit (smp_lock.h was not included)
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>

arch/cris/arch-v10/drivers/i2c.c

@@ -577,8 +577,7 @@ i2c_release(struct inode *inode, struct file *filp)
 /* Main device API. ioctl's to write or read to/from i2c registers.
  */
 
-static int
-i2c_ioctl_unlocked(struct file *file, unsigned int cmd, unsigned long arg)
+static long i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	if(_IOC_TYPE(cmd) != ETRAXI2C_IOCTYPE) {
 		return -EINVAL;
@@ -587,7 +586,7 @@ i2c_ioctl_unlocked(struct file *file, unsigned int cmd, unsigned long arg)
 	switch (_IOC_NR(cmd)) {
 		case I2C_WRITEREG:
 			/* write to an i2c slave */
-			D(printk("i2cw %d %d %d\n", 
+			D(printk(KERN_DEBUG "i2cw %d %d %d\n",
 				 I2C_ARGSLAVE(arg),
 				 I2C_ARGREG(arg),
 				 I2C_ARGVALUE(arg)));
@@ -599,32 +598,20 @@ i2c_ioctl_unlocked(struct file *file, unsigned int cmd, unsigned long arg)
 		{
 			unsigned char val;
 			/* read from an i2c slave */
-			D(printk("i2cr %d %d ", 
+			D(printk(KERN_DEBUG "i2cr %d %d ",
 				I2C_ARGSLAVE(arg),
 				I2C_ARGREG(arg)));
 			val = i2c_readreg(I2C_ARGSLAVE(arg), I2C_ARGREG(arg));
-			D(printk("= %d\n", val));
+			D(printk(KERN_DEBUG "= %d\n", val));
 			return val;
 		}
 		default:
 			return -EINVAL;
 
 	}
-	
 	return 0;
 }
 
-static long i2c_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	long ret;
-
-	lock_kernel();
-	ret = i2c_ioctl_unlocked(file, cmd, arg);
-	unlock_kernel();
-
-	return ret;
-}
-
 static const struct file_operations i2c_fops = {
 	.owner		= THIS_MODULE,
 	.unlocked_ioctl	= i2c_ioctl,