On Fri, Feb 07, 2014 at 04:55:00PM +0100, Jean-Francois Moine wrote:
> Some simple components don't need to do any specific action on
> bind to / unbind from a master component.
>
> This patch permits such components to omit the bind/unbind
> operations.
>
> Signed-off-by: Jean-Francois Moine
> ---
> drivers/base/component.c | 9 +++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/base/component.c b/drivers/base/component.c
> index c53efe6..0a39d7a 100644
> --- a/drivers/base/component.c
> +++ b/drivers/base/component.c
> @@ -225,7 +225,8 @@ static void component_unbind(struct component *component,
> {
> WARN_ON(!component->bound);
>
> - component->ops->unbind(component->dev, master->dev, data);
> + if (component->ops)
> + component->ops->unbind(component->dev, master->dev, data);
> component->bound = false;
>
> /* Release all resources claimed in the binding of this component */
> @@ -274,7 +275,11 @@ static int component_bind(struct component *component,
> struct master *master,
> dev_dbg(master->dev, "binding %s (ops %ps)\n",
> dev_name(component->dev), component->ops);
>
> - ret = component->ops->bind(component->dev, master->dev, data);
> + if (component->ops)
> + ret = component->ops->bind(component->dev, master->dev, data);
> + else
> + ret = 0;
> +
NAK. If this is done, there's absolutely no point to this code.
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