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: <58E44698.5020605@samsung.com>
Date:   Wed, 05 Apr 2017 10:21:28 +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>
Subject: Re: [PATCH v2 1/2] extcon: cros-ec: Add extcon-cros-ec driver to
 support display out.

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.

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics