From: Olof Johansson <olof@lixom.net>
To: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Cc: Lee Jones <lee.jones@linaro.org>,
Doug Anderson <dianders@chromium.org>,
Bill Richardson <wfrichar@chromium.org>,
Simon Glass <sjg@google.com>,
Gwendal Grignou <gwendal@google.com>,
Jonathan Corbet <corbet@lwn.net>,
Varka Bhadram <varkabhadram@gmail.com>,
Paul Bolle <pebolle@tiscali.nl>,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 0/7] platform/chrome: Add user-space dev inferface support
Date: Wed, 25 Feb 2015 16:57:41 -0800 [thread overview]
Message-ID: <20150226005741.GB3101@quad.lixom.net> (raw)
In-Reply-To: <54E1A825.7090408@collabora.co.uk>
On Mon, Feb 16, 2015 at 09:19:49AM +0100, Javier Martinez Canillas 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.
Yeah, sorry for dragging my feet on this. The only thing I found that should
should be revisited is the reuse of the ioctl numbers to make it easier to
transition on the Chrome OS side -- otherwise it'll be hard to know from
userspace to use old or new structs during transition without a flag day.
-Olof
next prev parent reply other threads:[~2015-02-26 0:57 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-02 11:26 [PATCH v5 0/7] platform/chrome: Add user-space dev inferface support Javier Martinez Canillas
2015-02-02 11:26 ` [PATCH v5 1/7] mfd: cros_ec: Use fixed size arrays to transfer data with the EC Javier Martinez Canillas
2015-02-02 11:26 ` [PATCH v5 2/7] mfd: cros_ec: Add char dev and virtual dev pointers Javier Martinez Canillas
2015-02-02 11:26 ` [PATCH v5 3/7] platform/chrome: Add cros_ec_lpc driver for x86 devices Javier Martinez Canillas
2015-02-02 11:26 ` [PATCH v5 4/7] platform/chrome: Add Chrome OS EC userspace device interface Javier Martinez Canillas
2015-02-26 0:54 ` Olof Johansson
2015-02-26 1:13 ` Gwendal Grignou
2015-02-26 9:08 ` Javier Martinez Canillas
2015-02-26 17:38 ` Olof Johansson
2015-02-02 11:26 ` [PATCH v5 5/7] mfd: cros_ec: Instantiate ChromeOS EC character device Javier Martinez Canillas
2015-02-02 11:26 ` [PATCH v5 6/7] platform/chrome: Create sysfs attributes for the ChromeOS EC Javier Martinez Canillas
2015-02-02 11:26 ` [PATCH v5 7/7] platform/chrome: Expose Chrome OS Lightbar to users Javier Martinez Canillas
2015-02-16 8:19 ` [PATCH v5 0/7] platform/chrome: Add user-space dev inferface support Javier Martinez Canillas
2015-02-18 2:26 ` Simon Glass
2015-02-18 9:27 ` Javier Martinez Canillas
2015-02-26 0:59 ` Olof Johansson
2015-02-26 16:00 ` Simon Glass
2015-02-26 0:57 ` Olof Johansson [this message]
2015-02-26 23:35 ` Gwendal Grignou
2015-02-27 0:11 ` Olof Johansson
2015-02-27 5:17 ` Javier Martinez Canillas
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