linux-kernel - Re: [PATCH v5 0/7] platform/chrome: Add user-space dev inferface support

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Date:	Tue, 17 Feb 2015 19:26:50 -0700
From:	Simon Glass <sjg@...omium.org>
To:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Cc:	Olof Johansson <olof@...om.net>, Lee Jones <lee.jones@...aro.org>,
	Doug Anderson <dianders@...omium.org>,
	Bill Richardson <wfrichar@...omium.org>,
	Gwendal Grignou <gwendal@...gle.com>,
	Jonathan Corbet <corbet@....net>,
	Varka Bhadram <varkabhadram@...il.com>,
	Paul Bolle <pebolle@...cali.nl>,
	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	lk <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 0/7] platform/chrome: Add user-space dev inferface support

Hi,

On 16 February 2015 at 01:19, Javier Martinez Canillas
<javier.martinez@...labora.co.uk> wrote:
> Hello Olof,
>
> On 02/02/2015 12:26 PM, Javier Martinez Canillas wrote:
>> Hello,
>>
>> The mainline ChromeOS Embedded Controller (EC) driver is still missing some
>> features that are present in the downstream ChromiumOS tree. These are:
>>
>>   - Low Pin Count (LPC) interface
>>   - User-space device interface
>>   - Access to vboot context stored on a block device
>>   - Access to vboot context stored on EC's nvram
>>   - Power Delivery Device
>>   - Support for multiple EC in a system
>>
>> This is a fifth version of a series that adds support for the first two of
>> the missing features: the EC LPC and EC character device interfaces that
>> are used by user-space to access the ChromeOS EC. The support patches were
>> taken from the downstream ChromiumOS 3.14 tree with the fixes and cleanups
>> squashed to have a minimal patch-set.
>>
>
> Any comments on this series? The last version was posted a couple of weeks
> ago but the series have been in the list for months. Lee has already acked
> the mfd changes so you can merge all through your chrome-platform tree if
> you want.
>
> It wold be great if this series get in to have the EC user-space interface
> supported and to minimize the delta with the Chromemium OS kernel since it
> still has other features that needs to be upstreamed like multiple EC in a
> system and access to vboot context stored in block device or EC's nvram.

Are you sure Olof is the right maintainer for this going to mainline?

I do feel for you trying to get all this in and have seen your many
attempts. It has been in U-Boot for 18 months...I hope you get there
in the end.

Regards,
Simon
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