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Re: [driver-core PATCH v6 3/9] device core: Consolidate locking and unlocking of parent and device




Hi, Alex,


On 11/08/2018 10:06 AM, Alexander Duyck wrote:
+/*
+ * __device_driver_lock - release locks needed to manipulate dev->drv

You meant to say __device_driver_unlock, right?

+ * @dev: Device we will update driver info for
+ * @parent: Parent device. Needed if the bus requires parent lock
+ *
+ * This function will release the required locks for manipulating dev->drv.
+ * Normally this will just be the the @dev lock, but when called for a
+ * USB interface, @parent lock will be released as well.
+ */
+static void __device_driver_unlock(struct device *dev, struct device *parent)
+{
+	device_unlock(dev);
+	if (parent && dev->bus->need_parent_lock)
+		device_unlock(parent);
+}

-jane