Re: [PATCH 2/2] USB: core: of: document reference taken by companion helper

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On Tue, 16 May 2017, Johan Hovold wrote:

> Document that the new companion-device lookup helper takes a reference
> to the companion device which needs to be dropped after use.
> 
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
> ---
>  drivers/usb/core/of.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/usb/core/of.c b/drivers/usb/core/of.c
> index d787f195a9a6..d563cbcf76cf 100644
> --- a/drivers/usb/core/of.c
> +++ b/drivers/usb/core/of.c
> @@ -53,6 +53,9 @@ EXPORT_SYMBOL_GPL(usb_of_get_child_node);
>   *
>   * Find the companion device from platform bus.
>   *
> + * Takes a reference to the returned struct device which needs to be dropped
> + * after use.
> + *
>   * Return: On success, a pointer to the companion device, %NULL on failure.
>   */
>  struct device *usb_of_get_companion_dev(struct device *dev)

For both patches:

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

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