linux-kernel - Re: [PATCH v5 0/9] i2c: piix4: Replace cd6h/cd7h port I/O accesses with MMIO accesses

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Message-ID: <20220211133449.332e5bca@endymion.delvare>
Date:   Fri, 11 Feb 2022 13:34:49 +0100
From:   Jean Delvare <jdelvare@...e.de>
To:     Terry Bowman <terry.bowman@....com>
Cc:     <linux@...ck-us.net>, <linux-watchdog@...r.kernel.org>,
        <linux-i2c@...r.kernel.org>, <wsa@...nel.org>,
        <andy.shevchenko@...il.com>, <rafael.j.wysocki@...el.com>,
        <linux-kernel@...r.kernel.org>, <wim@...ux-watchdog.org>,
        <rrichter@....com>, <thomas.lendacky@....com>,
        <sudheesh.mavila@....com>, <Nehal-bakulchandra.Shah@....com>,
        <Basavaraj.Natikar@....com>, <Shyam-sundar.S-k@....com>,
        <Mario.Limonciello@....com>
Subject: Re: [PATCH v5 0/9] i2c: piix4: Replace cd6h/cd7h port I/O accesses
 with MMIO accesses

On Wed, 09 Feb 2022 11:27:08 -0600, Terry Bowman wrote:
> This series changes the piix4_smbus driver's cd6h/cd7h port I/O accesses
> to use MMIO instead. This is necessary because cd6h/cd7h port I/O may be
> disabled on later AMD processors.
> 
> This series includes patches with MMIO accesses to register
> FCH::PM::DECODEEN. The same register is also accessed by the sp5100_tco
> driver.[1] Synchronization to the MMIO register is required in both
> drivers.
> (...)

Except for the curly brace issue in patch 3, all looks good, so I
confirm my

Reviewed-by: Jean Delvare <jdelvare@...e.de>
Tested-by: Jean Delvare <jdelvare@...e.de>

on all i2c-piix4 patches.

Thanks,
-- 
Jean Delvare
SUSE L3 Support