Re: [PATCH 1/5] pinctrl: core: Use delayed work for hogs
From: Linus Walleij
Date: Fri Dec 30 2016 - 08:46:37 EST
On Tue, Dec 27, 2016 at 6:19 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> Having the pin control framework call pin controller functions
> before it's probe has finished is not nice as the pin controller
> device driver does not yet have struct pinctrl_dev handle.
> Let's fix this issue by adding deferred work for late init. This is
> needed to be able to add pinctrl generic helper functions that expect
> to know struct pinctrl_dev handle. Note that we now need to call
> create_pinctrl() directly as we don't want to add the pin controller
> to the list of controllers until the hogs are claimed. We also need
> to pass the pinctrl_dev to the device tree parser functions as they
> otherwise won't find the right controller at this point.
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
I felt the code path needed some extra comments so I sent those
as a separate patch.