From: Terry Bowman <Terry.Bowman@amd.com>
To: Wolfram Sang <wsa@kernel.org>,
Andy Shevchenko <andy.shevchenko@gmail.com>,
Guenter Roeck <linux@roeck-us.net>,
Jean Delvare <jdelvare@suse.de>,
linux-i2c <linux-i2c@vger.kernel.org>,
linux-watchdog@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Tom Lendacky <thomas.lendacky@amd.com>,
Robert Richter <rrichter@amd.com>
Subject: Re: [PATCH] i2c: piix4: Replace piix4_smbus driver's cd6h/cd7h port io accesses with mmio accesses
Date: Tue, 11 Jan 2022 08:13:05 -0600 [thread overview]
Message-ID: <811d6ec7-7eac-dfd3-5927-4adcc2251fab@amd.com> (raw)
In-Reply-To: <Yd16cw0AaYcf7eSf@kunai>
+Robert Richter
Hi Andy,
The cd6h/cd7h port I/O can be disabled on recent AMD processors and these
changes replace the cd6h/cd7h port I/O accesses with with MMIO accesses.
I can provide more details or answer questions.
Regards,
Terry
On 1/11/22 6:39 AM, Wolfram Sang wrote:
>
>> I have briefly read the discussion by the link you provided above in
>> this thread. I'm not sure I understand the issue and if Intel hardware
>> is affected. Is there any summary of the problem?
>
> I guess the original patch description should explain it. You can find
> it here:
>
> http://patchwork.ozlabs.org/project/linux-i2c/patch/20210715221828.244536-1-Terry.Bowman@amd.com/
>
> If this is not sufficient, hopefully Terry can provide more information?
>
next prev parent reply other threads:[~2022-01-11 14:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-15 22:18 [PATCH] i2c: piix4: Replace piix4_smbus driver's cd6h/cd7h port io accesses with mmio accesses Terry Bowman
2021-09-07 16:37 ` Jean Delvare
2021-11-05 16:05 ` Jean Delvare
2021-12-13 17:48 ` Terry Bowman
2022-01-04 19:34 ` Terry Bowman
2022-01-06 13:01 ` Wolfram Sang
2022-01-06 18:18 ` Guenter Roeck
2022-01-08 21:49 ` Wolfram Sang
2022-01-10 10:29 ` Andy Shevchenko
2022-01-11 12:39 ` Wolfram Sang
2022-01-11 14:13 ` Terry Bowman [this message]
2022-01-11 14:53 ` Andy Shevchenko
2022-01-11 14:54 ` Andy Shevchenko
2022-01-11 15:50 ` Terry Bowman
2022-01-11 16:17 ` Andy Shevchenko
2022-01-12 0:40 ` Terry Bowman
2022-01-13 7:42 ` Wolfram Sang
2022-01-13 10:24 ` Andy Shevchenko
2022-01-18 13:09 ` Jean Delvare
2022-01-18 14:22 ` Jean Delvare
[not found] <20210715221828.244536-1-Terry.Bowman () amd ! com>
2021-08-16 16:55 ` Terry Bowman
2021-08-16 17:03 ` Terry Bowman
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