linux-kernel - Re: [PATCH v13] i2c: Add drivers for the AMD PCIe MP2 I2C controller

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Message-ID: <20181211210159.to6okhbaqpymoax5@ninjato>
Date:   Tue, 11 Dec 2018 22:01:59 +0100
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Elie Morisse <syniurge@...il.com>
Cc:     linux-i2c@...r.kernel.org, helgaas@...nel.org,
        Nehal-bakulchandra.Shah@....com, Shyam-sundar.S-k@....com,
        sandeep.singh@....com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v13] i2c: Add drivers for the AMD PCIe MP2 I2C controller

On Sun, Dec 09, 2018 at 12:56:02PM -0300, Elie Morisse wrote:
> MP2 controllers have two separate busses, so may accommodate up to two I2C
> adapters. Those adapters are listed in the ACPI namespace with the
> "AMDI0011" HID, and probed by a platform driver.
> 
> Communication with the MP2 takes place through iomapped registers, or
> through DMA for more than 32 bytes transfers.
> 
> This is major rework of the patch submitted by Nehal-bakulchandra Shah from
> AMD (https://patchwork.kernel.org/patch/10597369/).
> 
> Most of the event handling of v3 was rewritten to make it work with more
> than one bus (e.g on Ryzen-based Lenovo Yoga 530), and this version
> contains many other improvements.
> 
> Signed-off-by: Elie Morisse <syniurge@...il.com>

Nehal Shah, are you happy with this driver from your side?


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