linux-kernel - Re: [PATCH v2 13/16] mfd: core: Use acpi_dev_for_each

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Message-ID: <CAJZ5v0gFjgWbxVLe63Xfc+kfmfPzRkZ+72eLqiKDm68agT-ugA@mail.gmail.com>
Date:   Thu, 16 Jun 2022 19:31:21 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
Subject: Re: [PATCH v2 13/16] mfd: core: Use acpi_dev_for_each_child()

On Thu, Jun 16, 2022 at 12:39 AM Lee Jones <lee.jones@...aro.org> wrote:
>
> On Mon, 13 Jun 2022, Rafael J. Wysocki wrote:
>
> > From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> >
> > Instead of walking the list of children of an ACPI device directly,
> > use acpi_dev_for_each_child() to carry out an action for all of
> > the given ACPI device's children.
> >
> > This will help to eliminate the children list head from struct
> > acpi_device as it is redundant and it is used in questionable ways
> > in some places (in particular, locking is needed for walking the
> > list pointed to it safely, but it is often missing).
> >
> > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> > Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> > ---
> >
> > v1 -> v2:
> >    * Add R-by from Andy.
> >
> > ---
> >  drivers/mfd/mfd-core.c |   31 ++++++++++++++++++++++++-------
> >  1 file changed, 24 insertions(+), 7 deletions(-)
>
> Applied, thanks.

Thank you!

Can you please expose a branch containing it for integration?

The last patch in the series depends on this one.