linux-kernel - Re: [PATCH v6 00/12] platform/x86: introduce p2sb

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Date:   Wed, 8 Jun 2022 12:50:44 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Tony Luck <tony.luck@...el.com>, Wolfram Sang <wsa@...nel.org>,
        Jean Delvare <jdelvare@...e.de>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Henning Schild <henning.schild@...mens.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Jonathan Yong <jonathan.yong@...el.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-edac@...r.kernel.org, linux-i2c <linux-i2c@...r.kernel.org>,
        Linux LED Subsystem <linux-leds@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        LINUXWATCHDOG <linux-watchdog@...r.kernel.org>,
        Borislav Petkov <bp@...en8.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        James Morse <james.morse@....com>,
        Robert Richter <rric@...nel.org>,
        Jean Delvare <jdelvare@...e.com>, Pavel Machek <pavel@....cz>,
        Peter Tyser <ptyser@...-inc.com>,
        Andy Shevchenko <andy@...nel.org>,
        Mark Gross <markgross@...nel.org>
Subject: Re: [PATCH v6 00/12] platform/x86: introduce p2sb_bar() helper

On Wed, Jun 8, 2022 at 9:42 AM Lee Jones <lee.jones@...aro.org> wrote:
>
> On Mon, 06 Jun 2022, Andy Shevchenko wrote:
>
> > There are a few users that would like to utilize P2SB mechanism of hiding
> > and unhiding a device from the PCI configuration space.
> >
> > Here is the series to consolidate p2sb handling code for existing users
> > and to provide a generic way for new comer(s).
> >
> > It also includes a patch to enable GPIO controllers on Apollo Lake
> > when it's used with ABL bootloader w/o ACPI support.
> >
> > The patch that brings the helper ("platform/x86/intel: Add Primary to
> > Sideband (P2SB) bridge support") has a commit message that sheds a light
> > on what the P2SB is and why this is needed.
> >
> > I have tested this on Apollo Lake platform (I'm able to see SPI NOR and
> > since we have an ACPI device for GPIO I do not see any attempts to recreate
> > one).
> >
> > The series is ready to be merged via MFD tree, but see below.
> >
> > The series also includes updates for Simatic IPC drivers that partially
> > tagged by respective maintainers (the main question is if Pavel is okay
> > with the last three patches, since I believe Hans is okay with removing
> > some code under PDx86). Hence the first 8 patches can be merged right
> > away and the rest when Pavel does his review.
>
> Can we just wait for Pavel's review, then merge them all at once?

Sure, it would be the best course of action.

-- 
With Best Regards,
Andy Shevchenko