linux-kernel - Re: [PATCH 0/2] Allow pinctrl framework to create links

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Date:   Thu, 23 May 2019 09:37:22 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Benjamin Gaignard <benjamin.gaignard@...com>
Cc:     Alexandre TORGUE <alexandre.torgue@...com>,
        Amelie Delaunay <amelie.delaunay@...com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-stm32@...md-mailman.stormreply.com,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>
Subject: Re: [PATCH 0/2] Allow pinctrl framework to create links

Hi Benjamin!

On Wed, May 22, 2019 at 5:29 PM Benjamin Gaignard
<benjamin.gaignard@...com> wrote:

> Some pin controllers may need to ensure suspend/resume calls ordering between
> themselves and their clients.
> That is the case for STMFX (an I2C GPIO expender) which need to be suspended
> after all it clients to let them call pinctrl_pm_select_sleep_state() before
> perform it own suspend function. It is the same problem for resume but in
> reverse order.
>
> This series allow to let pinctrl core knows if a controller would like to
> create link between itself and it client by setting create_link to true.

I changed the name of the boolt to "link_consumers" and applied!

I will send patches for all other pin controllers that are I2C or other
slow bus based, as they will definately need this. Let's see what
happens!

Yours,
Linus Walleij