@@ -26,7 +26,8 @@ static DEFINE_IDA(counter_ida);
static void counter_device_release(struct device *dev)
{
- struct counter_device *const counter = dev_get_drvdata(dev);
+ struct counter_device *const counter =
+ container_of(dev, struct counter_device, dev);
counter_chrdev_remove(counter);
ida_free(&counter_ida, dev->id);
@@ -78,7 +79,6 @@ int counter_register(struct counter_device *const counter)
dev->of_node = counter->parent->of_node;
}
device_initialize(dev);
- dev_set_drvdata(dev, counter);
err = counter_sysfs_add(counter);
if (err < 0)
The counter core uses drvdata to find a struct counter_device from a struct device. However as the device is a member of struct counter_device, the lookup can be done faster (and a bit type safe) using container_of. There are no other users of drvdata, so the call to dev_set_drvdata can go away, too. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- drivers/counter/counter-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)