linux-kernel - Re: [PATCH v4 3/7] misc: Add cros_ec

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Message-ID: <CAEUmHyYaqC4nz5CpteCaZT5CxfOFtK1vWnPZk6U-bowYCPezcA@mail.gmail.com>
Date:	Thu, 29 Jan 2015 19:45:28 +0530
From:	Varka Bhadram <varkabhadram@...il.com>
To:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Cc:	Lee Jones <lee.jones@...aro.org>, Olof Johansson <olof@...om.net>,
	Arnd Bergmann <arnd@...db.de>,
	Doug Anderson <dianders@...omium.org>,
	Bill Richardson <wfrichar@...omium.org>,
	Simon Glass <sjg@...gle.com>,
	Gwendal Grignou <gwendal@...gle.com>,
	Jonathan Corbet <corbet@....net>,
	linux-samsung-soc@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 3/7] misc: Add cros_ec_lpc driver for x86 devices

On Thu, Jan 29, 2015 at 7:07 PM, Javier Martinez Canillas
<javier.martinez@...labora.co.uk> wrote:
> From: Bill Richardson <wfrichar@...omium.org>
>
> Chromebooks have an Embedded Controller (EC) that is used to
> implement various functions such as keyboard, power and battery.
>
> The AP can communicate with the EC through different bus types
> such as I2C, SPI or LPC.
>
> The cros_ec mfd driver is then composed of a core driver that
> register the sub-devices as mfd cells and provide a high level
> communication interface that is used by the rest of the kernel
> and bus specific interfaces modules.
>
> Each connection method then has its own driver, which register
> with the EC driver interface-agnostic interface.
>
> Currently, there are drivers to communicate with the EC over
> I2C and SPI and this driver adds support for LPC.
>
> Signed-off-by: Bill Richardson <wfrichar@...omium.org>
> Signed-off-by: Javier Martinez Canillas <javier.martinez@...labora.co.uk>
> ---
>
> Changes since v3:
>  - Rename MYNAME to DRV_NAME
>  - Use devm_request_region() instead of request_region.
>    Suggested by Varka Bhadram.
>  - Remove release_region from cleanup handle logic by using devres API.
>    Suggested by Varka Bhadram.
>  - Use {dev,pr}_err() instead of {dev,pr}_warn() to log errors.
>

Addressed all of my comments... Thanks

Reviewed-by: Varka Bhadram <varkabhadram@...il.com>

-- 
Regards,
Varka Bhadram.
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