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path: root/drivers/i2c/i2c-smbus.c
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Diffstat (limited to 'drivers/i2c/i2c-smbus.c')
-rw-r--r--drivers/i2c/i2c-smbus.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c
index 421278221243..a24e0bfe9201 100644
--- a/drivers/i2c/i2c-smbus.c
+++ b/drivers/i2c/i2c-smbus.c
@@ -22,11 +22,11 @@
#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>
#include <linux/i2c-smbus.h>
+#include <linux/slab.h>
struct i2c_smbus_alert {
unsigned int alert_edge_triggered:1;
@@ -55,7 +55,7 @@ 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 +63,7 @@ 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;