Re: [PATCH v1] driver core: Clarify documentation for fwnode_operations.add_links()

From: Rafael J. Wysocki
Date: Wed Nov 13 2019 - 05:20:54 EST


On Wed, Nov 13, 2019 at 3:36 AM Saravana Kannan <saravanak@xxxxxxxxxx> wrote:
>
> The wording was a bit ambiguous. So update it to make it clear.
>
> Signed-off-by: Saravana Kannan <saravanak@xxxxxxxxxx>

Looks better with this change IMO:

Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

> ---
> include/linux/fwnode.h | 15 ++++++++-------
> 1 file changed, 8 insertions(+), 7 deletions(-)
>
> diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
> index 766ff9bb5876..23df37f85398 100644
> --- a/include/linux/fwnode.h
> +++ b/include/linux/fwnode.h
> @@ -94,15 +94,16 @@ struct fwnode_reference_args {
> * available suppliers.
> *
> * Return 0 if device links have been successfully created to all
> - * the suppliers this device needs to create device links to or if
> - * the supplier information is not known.
> + * the known suppliers of this device or if the supplier
> + * information is not known.
> *
> - * Return -ENODEV if and only if the suppliers needed for probing
> - * the device are not yet available to create device links to.
> + * Return -ENODEV if the suppliers needed for probing this device
> + * have not been registered yet (because device links can only be
> + * created to devices registered with the driver core).
> *
> - * Return -EAGAIN if there are suppliers that need to be linked to
> - * that are not yet available but none of those suppliers are
> - * necessary for probing this device.
> + * Return -EAGAIN if some of the suppliers of this device have not
> + * been registered yet, but none of those suppliers are necessary
> + * for probing the device.
> */
> struct fwnode_operations {
> struct fwnode_handle *(*get)(struct fwnode_handle *fwnode);
> --
> 2.24.0.rc1.363.gb1bccd3e3d-goog
>