linux-kernel - Re: [PATCH v2 1/2] extcon: cros-ec: Add extcon-cros-ec driver to support display out.

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Message-id: <59240507.1040005@samsung.com>
Date:   Tue, 23 May 2017 18:46:47 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Lee Jones <lee.jones@...aro.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Benson Leung <bleung@...omium.org>,
        Olof Johansson <olof@...om.net>
Subject: Re: [PATCH v2 1/2] extcon: cros-ec: Add extcon-cros-ec driver to
 support display out.

Hi Enric,

On 2017년 04월 20일 19:16, Enric Balletbo i Serra wrote:
> On 05/04/17 03:21, Chanwoo Choi wrote:
>> Hi Enric,
>>
>> On 2017년 03월 02일 16:29, Chanwoo Choi wrote:
>>> Hi,
>>>
>>> On 2017년 03월 01일 20:19, Enric Balletbo i Serra wrote:
>>>> From: Benson Leung <bleung@...omium.org>
>>>>
>>>> This is the driver for the USB Type C cable detection mechanism
>>>> built into the ChromeOS Embedded Controller on systems that
>>>> have USB Type-C ports.
>>>>
>>>> At present, this allows for the presence of display out, but in
>>>> future, it may also be used to notify host and device type cables
>>>> and the presence of power.
>>>>
>>>> Signed-off-by: Benson Leung <bleung@...omium.org>
>>>> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
>>>> ---
>>>> Changes since v1:
>>>>  Requested by Chanwoo Choi
>>>>  - Rename files changing _ for -
>>>>  - Remove the unneeded blank line on bottom of header.
>>>>  - Remove kobject.h and cros_ec_commands.h includes.
>>>>  - Remove the debug message as is not necessary.
>>>>  - Use the tab for indentation instead of space for if sentence.
>>>>  - Define each variable on different lines when the variables should be
>>>>    initialized.
>>>>  - Remove EXTCON_USB and EXTCON_USB_HOST as are not really used for now.
>>>>  - Add one blank line to split out between state and property setting.
>>>>  - Add the author information (header and module)
>>>>
>>>>  Enric Balletbo
>>>>  - As Rob suggested to rename the compatible name to something indicating that
>>>>    is USB Type C related I also renamed the file names, extcon-cros-ec ->
>>>>    extcon-usbc-cros-ec, I think it's more clear.
>>>>
>>>>  drivers/extcon/Kconfig               |   7 +
>>>>  drivers/extcon/Makefile              |   1 +
>>>>  drivers/extcon/extcon-usbc-cros-ec.c | 415 +++++++++++++++++++++++++++++++++++
>>>>  include/linux/mfd/cros_ec_commands.h |  75 +++++++
>>>>  4 files changed, 498 insertions(+)
>>>>  create mode 100644 drivers/extcon/extcon-usbc-cros-ec.c
>>>>
>>>
>>> Looks good to me.
>>> Acked-by: Chanwoo Choi <cw00.chio@...sung.com>
>>>
>>> I think this patch should be handled with patches[1].
>>> [1] https://lkml.org/lkml/2017/2/14/655
>>>
>>> I think that one maintainer among following subsystems
>>> (mfd, chrome h/w platform, rtc and extcon)
>>> will apply their git repository, and then one maintainer
>>> will send the pull request of immutable branch for these patches.
>>>
>>
>> As I mentioned, these patch should be handled with related patches[1].
>> [1] https://lkml.org/lkml/2017/2/14/655
>>
>> So, I can't apply these patch on extcon git because there is a merge conflict
>> and we should handle these patches with immutable branch between subsystem maintainer.
>>
>> The v4.11-rc5 was released, if you want to apply this patch to the v4.12-rc1,
>> please take care of these patches.
>>
> 
> CC'ied : Olof Johansson
> 
> Olof, Benson,
> 
> Could at least the following patch in this series [1] picked as soon as possible
> if it's ok.
> 
> 9630769 New          [01/13] mfd: cros_ec: Add helper for event notifier
> 
> This specific patch is blocking this and others like the rtc-cros-ec to land and
> the series were send some time ago without received bad feedback.
> 
> [1] https://lkml.org/lkml/2017/3/17/321
> 
> Many thanks,
>  Enric

Maybe, you better to resend these patches based on v4.12-rcX.

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics