Quoting Daniel Vetter (2018-12-07 09:31:33)
> +void unbind_work_fn(struct work_struct *work)
> +{
> + struct unbind_work *unbind_work =
> + container_of(work, struct unbind_work, work);
> +
> + device_release_driver(unbind_work->dev);
> + put_device(unbind_work->dev);
> +}
> +
> /* Manually detach a device from its associated driver. */
> static ssize_t unbind_store(struct device_driver *drv, const char *buf,
> size_t count)
> {
> struct bus_type *bus = bus_get(drv->bus);
> + struct unbind_work *unbind_work;
> struct device *dev;
> int err = -ENODEV;
>
> dev = bus_find_device_by_name(bus, NULL, buf);
> if (dev && dev->driver == drv) {
> - if (dev->parent && dev->bus->need_parent_lock)
> - device_lock(dev->parent);
Do we not need to keep this locking in the worker?
-Chris
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