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-rw-r--r--drivers/uwb/umc-bus.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/uwb/umc-bus.c b/drivers/uwb/umc-bus.c
index cdd6c8e..5fad4e7 100644
--- a/drivers/uwb/umc-bus.c
+++ b/drivers/uwb/umc-bus.c
@@ -62,12 +62,12 @@ int umc_controller_reset(struct umc_dev *umc)
struct device *parent = umc->dev.parent;
int ret = 0;
- if(down_trylock(&parent->sem))
+ if (device_trylock(parent))
return -EAGAIN;
ret = device_for_each_child(parent, parent, umc_bus_pre_reset_helper);
if (ret >= 0)
ret = device_for_each_child(parent, parent, umc_bus_post_reset_helper);
- up(&parent->sem);
+ device_unlock(parent);
return ret;
}
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