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

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Message-ID: <YqBS8I62YBPFC9iS@google.com>
Date:   Wed, 8 Jun 2022 08:42:40 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     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@...r.kernel.org, linux-edac@...r.kernel.org,
        linux-i2c@...r.kernel.org, linux-leds@...r.kernel.org,
        linux-gpio@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        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 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?

-- 
Lee Jones [李琼斯]
Principal Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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