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

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Date:   Tue, 15 Aug 2017 19:10:28 +0800
From:   Baolin Wang <baolin.wang@...aro.org>
To:     Felipe Balbi <balbi@...nel.org>
Cc:     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>, 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,
        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 Felipe,

On 15 August 2017 at 17:53, Felipe Balbi <balbi@...nel.org> wrote:
>
> 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

Thanks for your feedback. I've send out V5 patchset which just changes
phy phandle name from 'usb-phy' to 'phys' for patch 3 suggested by
Rob. Hope you can apply this version patchset into your branch if
there are no other comments.

-- 
Baolin.wang
Best Regards