Commit 0e0aff21 authored by Jesper Nilsson's avatar Jesper Nilsson
Browse files

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: default avatarJesper Nilsson <jesper.nilsson@axis.com>
parent 60362158

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

+13 −26
Original line number Diff line number Diff line
@@ -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,