Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Tue, 25 Jan 2022 13:43:54 +0100
From:   Jean Delvare <jdelvare@suse.de>
To:     Terry Bowman <terry.bowman@amd.com>
Cc:     <linux@roeck-us.net>, <linux-watchdog@vger.kernel.org>,
        <linux-i2c@vger.kernel.org>, <wsa@kernel.org>,
        <andy.shevchenko@gmail.com>, <rafael.j.wysocki@intel.com>,
        <linux-kernel@vger.kernel.org>, <wim@linux-watchdog.org>,
        <rrichter@amd.com>, <thomas.lendacky@amd.com>,
        <Nehal-bakulchandra.Shah@amd.com>, <Basavaraj.Natikar@amd.com>,
        <Shyam-sundar.S-k@amd.com>, <Mario.Limonciello@amd.com>
Subject: Re: [PATCH v3 4/4] Watchdog: sp5100_tco: Enable Family 17h+ CPUs
Message-ID: <20220125134354.4db24118@endymion>
In-Reply-To: <20220118202234.410555-5-terry.bowman@amd.com>
References: <20220118202234.410555-1-terry.bowman@amd.com>
        <20220118202234.410555-5-terry.bowman@amd.com>
Organization: SUSE Linux
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Precedence: bulk

Hi Terry,

On Tue, 18 Jan 2022 14:22:34 -0600, Terry Bowman wrote:
> The driver currently uses a CPU family match of 17h to determine
> EFCH_PM_DECODEEN_WDT_TMREN register support. This family check will not
> support future AMD CPUs and instead will require driver updates to add
> support.
> 
> Remove the family 17h family check and add a check for SMBus PCI
> revision ID 0x51 or greater. The MMIO access method has been available
> since at least SMBus controllers using PCI revision 0x51. This revision
> check will support family 17h and future AMD processors including EFCH
> functionality without requiring driver changes.
> 
> Co-developed-by: Robert Richter <rrichter@amd.com>
> Signed-off-by: Robert Richter <rrichter@amd.com>
> Signed-off-by: Terry Bowman <terry.bowman@amd.com>
> To: Guenter Roeck <linux@roeck-us.net>
> To: linux-watchdog@vger.kernel.org
> To: Jean Delvare <jdelvare@suse.com>
> To: linux-i2c@vger.kernel.org
> To: Wolfram Sang <wsa@kernel.org>
> To: Andy Shevchenko <andy.shevchenko@gmail.com>
> To: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Cc: linux-kernel@vger.kernel.org
> Cc: Wim Van Sebroeck <wim@linux-watchdog.org>
> Cc: Robert Richter <rrichter@amd.com>
> Cc: Thomas Lendacky <thomas.lendacky@amd.com>
> ---
>  drivers/watchdog/sp5100_tco.c | 16 ++++------------
>  drivers/watchdog/sp5100_tco.h |  1 +
>  2 files changed, 5 insertions(+), 12 deletions(-)
> (...)

Looks good to me.

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

-- 
Jean Delvare
SUSE L3 Support