linux-kernel - Re: [PATCH v4 0/3] Introduce USB charger support in USB phy

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Message-ID: <87h8x96tth.fsf@linux.intel.com>
Date:   Tue, 15 Aug 2017 12:53:14 +0300
From:   Felipe Balbi <balbi@...nel.org>
To:     Baolin Wang <baolin.wang@...aro.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Sebastian Reichel <sre@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Jun Li <jun.li@....com>, Peter Chen <peter.chen@...escale.com>,
        Mark Brown <broonie@...nel.org>,
        John Stultz <john.stultz@...aro.org>,
        NeilBrown <neilb@...e.com>, patches@...nsource.wolfsonmicro.com,
        Baolin Wang <baolin.wang@...aro.org>,
        Linux PM list <linux-pm@...r.kernel.org>,
        USB <linux-usb@...r.kernel.org>,
        device-mainlining@...ts.linuxfoundation.org,
        LKML <linux-kernel@...r.kernel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH v4 0/3] Introduce USB charger support in USB phy


Hi,

Baolin Wang <baolin.wang@...aro.org> writes:
>> Currently the Linux kernel does not provide any standard integration of this
>> feature that integrates the USB subsystem with the system power regulation
>> provided by PMICs meaning that either vendors must add this in their kernels
>> or USB gadget devices based on Linux (such as mobile phones) may not behave
>> as they should. Thus provide a standard USB charger support in USB phy core
>> for doing this in kernel.
>>
>> Now introduce one user with wm831x_power to support and test the usb charger.
>> In future we will also cnvert below power drivers:
>> drivers/power/supply/axp288_charger.c
>> drivers/power/supply/bq24190_charger.c
>> drivers/power/supply/charger-manager.c
>> drivers/power/supply/qcom_smbb.c
>>
>> Changes since v3:
>>  - Bail out errors when failed to find usb phy for wm831x_power driver.
>> Changes since v2:
>>  - Add DT binding documentation for wm831x_power driver.
>>  - Change 'usb-phy' as one optional property for wm831x_power driver.
>> Changes since v1:
>>  - Fix building errors.
>
> Do you have any comments about usb charger support in usb phy core? Thanks.

No more comments from me

-- 
balbi

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