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Commit f635a1e7 authored by Stephen Rothwell's avatar Stephen Rothwell Committed by Jean Delvare
Browse files

i2c-smbus: Use device_lock/device_unlock 



Use the new device locking/unlocking API.

Signed-off-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
parent daf9fe2e

drivers/i2c/i2c-smbus.c

+2 −3
Original line number Diff line number Diff line
@@ -22,7 +22,6 @@ 
#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/device.h>

#include <linux/semaphore.h>

#include <linux/interrupt.h>

#include <linux/workqueue.h>

#include <linux/i2c.h>
@@ -55,7 +54,7 @@ static int smbus_do_alert(struct device *dev, void *addrp) 
	 * Drivers should either disable alerts, or provide at least

	 * a minimal handler.  Lock so client->driver won't change.

	 */

	down(&dev->sem);

	device_lock(dev);

	if (client->driver) {

		if (client->driver->alert)

			client->driver->alert(client, data->flag);
@@ -63,7 +62,7 @@ static int smbus_do_alert(struct device *dev, void *addrp) 
			dev_warn(&client->dev, "no driver alert()!\n");

	} else

		dev_dbg(&client->dev, "alert with no driver\n");

	up(&dev->sem);

	device_unlock(dev);



	/* Stop iterating after we find the device */

	return -EBUSY;