From: Wolfram Sang <wsa@the-dreams.de>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Jean Delvare <jdelvare@suse.com>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i2c: piix4: Fix SMBus port selection for AMD Family 17h chips
Date: Fri, 13 Oct 2017 21:01:00 +0200 [thread overview]
Message-ID: <20171013190100.wjmjwyjmj6nt53i3@ninjato> (raw)
In-Reply-To: <1500162686-21682-1-git-send-email-linux@roeck-us.net>
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On Sat, Jul 15, 2017 at 04:51:26PM -0700, Guenter Roeck wrote:
> AMD Family 17h uses the KERNCZ SMBus controller. While its documentation
> is not publicly available, it is documented in the BIOS and Kernel
> Developer’s Guide for AMD Family 15h Models 60h-6Fh Processors.
>
> On this SMBus controller, the port select register is at PMx register
> 0x02, bit 4:3 (PMx00 register bit 20:19).
>
> Without this patch, the 4 SMBus channels on AMD Family 17h chips are
> mirrored and report the same chips on all channels.
>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Applied to for-current, thanks!
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prev parent reply other threads:[~2017-10-13 19:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-15 23:51 [PATCH] i2c: piix4: Fix SMBus port selection for AMD Family 17h chips Guenter Roeck
2017-08-12 11:33 ` Wolfram Sang
2017-09-22 22:41 ` Guenter Roeck
2017-10-05 14:33 ` Jean Delvare
2017-10-05 15:11 ` Wolfram Sang
2017-10-05 17:43 ` Guenter Roeck
2017-10-05 18:34 ` Rudolf Marek
2017-10-06 17:18 ` Guenter Roeck
2017-10-13 19:01 ` Wolfram Sang [this message]
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