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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2010-03-01 16:04:45 +1100 |
|---|---|---|
| committer | Jean Delvare <khali@linux-fr.org> | 2010-03-13 20:56:51 +0100 |
| commit | f635a1e74bd6001f06fe1df53d32daf2b28bf04b (patch) | |
| tree | 14d4556054ac6deaea1060ebb0a9b2a3fb5bd766 /drivers/i2c/i2c-smbus.c | |
| parent | daf9fe2ee9a203c4fc555cfe5c5f3d9f660e743c (diff) | |
| download | lwn-f635a1e74bd6001f06fe1df53d32daf2b28bf04b.tar.gz lwn-f635a1e74bd6001f06fe1df53d32daf2b28bf04b.zip | |
i2c-smbus: Use device_lock/device_unlock
Use the new device locking/unlocking API.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Diffstat (limited to 'drivers/i2c/i2c-smbus.c')
| -rw-r--r-- | drivers/i2c/i2c-smbus.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c index 421278221243..7a8201ed2181 100644 --- a/drivers/i2c/i2c-smbus.c +++ b/drivers/i2c/i2c-smbus.c @@ -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; |