linux-kernel - Re: [RESEND PATCH v11 1/4] gadget: Introduce the usb charger framework

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Message-ID: <874m8nouhf.fsf@linux.intel.com>
Date:	Tue, 21 Jun 2016 10:45:48 +0300
From:	Felipe Balbi <balbi@...nel.org>
To:	Baolin Wang <baolin.wang@...aro.org>, Jun Li <jun.li@....com>
Cc:	"gregkh\@linuxfoundation.org" <gregkh@...uxfoundation.org>,
	"sre\@kernel.org" <sre@...nel.org>,
	"dbaryshkov\@gmail.com" <dbaryshkov@...il.com>,
	"dwmw2\@infradead.org" <dwmw2@...radead.org>,
	"robh\@kernel.org" <robh@...nel.org>,
	"m.szyprowski\@samsung.com" <m.szyprowski@...sung.com>,
	"ruslan.bilovol\@gmail.com" <ruslan.bilovol@...il.com>,
	"peter.chen\@freescale.com" <peter.chen@...escale.com>,
	"stern\@rowland.harvard.edu" <stern@...land.harvard.edu>,
	"r.baldyga\@samsung.com" <r.baldyga@...sung.com>,
	"yoshihiro.shimoda.uh\@renesas.com" 
	<yoshihiro.shimoda.uh@...esas.com>,
	"lee.jones\@linaro.org" <lee.jones@...aro.org>,
	"broonie\@kernel.org" <broonie@...nel.org>,
	"ckeepax\@opensource.wolfsonmicro.com" 
	<ckeepax@...nsource.wolfsonmicro.com>,
	"patches\@opensource.wolfsonmicro.com" 
	<patches@...nsource.wolfsonmicro.com>,
	"linux-pm\@vger.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-usb\@vger.kernel.org" <linux-usb@...r.kernel.org>,
	"device-mainlining\@lists.linuxfoundation.org" 
	<device-mainlining@...ts.linuxfoundation.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND PATCH v11 1/4] gadget: Introduce the usb charger framework


Hi Baolin,

Baolin Wang <baolin.wang@...aro.org> writes:
>>> -----Original Message-----
>>> From: linux-usb-owner@...r.kernel.org [mailto:linux-usb-
>>> owner@...r.kernel.org] On Behalf Of Baolin Wang
>>> Sent: Monday, June 13, 2016 4:47 PM
>>> To: balbi@...nel.org; gregkh@...uxfoundation.org; sre@...nel.org;
>>> dbaryshkov@...il.com; dwmw2@...radead.org
>>> Cc: robh@...nel.org; m.szyprowski@...sung.com; ruslan.bilovol@...il.com;
>>> peter.chen@...escale.com; stern@...land.harvard.edu; r.baldyga@...sung.com;
>>> yoshihiro.shimoda.uh@...esas.com; lee.jones@...aro.org; broonie@...nel.org;
>>> ckeepax@...nsource.wolfsonmicro.com; patches@...nsource.wolfsonmicro.com;
>>> baolin.wang@...aro.org; linux-pm@...r.kernel.org; linux-
>>> usb@...r.kernel.org; device-mainlining@...ts.linuxfoundation.org; linux-
>>> kernel@...r.kernel.org
>>> Subject: [RESEND PATCH v11 1/4] gadget: Introduce the usb charger
>>> framework
>>>
>>> This patch introduces the usb charger driver based on usb gadget that
>>> makes an enhancement to a power driver. It works well in practice but that
>>> requires a system with suitable hardware.
>>>
>>> The basic conception of the usb charger is that, when one usb charger is
>>> added or removed by reporting from the usb gadget state change or the
>>> extcon device state change, the usb charger will report to power user to
>>> set the current limitation.
>>>
>>> The usb charger will register notifiees on the usb gadget or the extcon
>>> device to get notified the usb charger state. It also supplies the
>>> notification mechanism to userspace When the usb charger state is changed.
>>>
>>> Power user will register a notifiee on the usb charger to get notified by
>>> status changes from the usb charger. It will report to power user to set
>>> the current limitation when detecting the usb charger is added or removed
>>> from extcon device state or usb gadget state.
>>>
>>> This patch doesn't yet integrate with the gadget code, so some functions
>>> which rely on the 'gadget' are not completed, that will be implemented in
>>> the following patches.
>>>
>>> Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
>>
>> Reviewed-by: Li Jun <jun.li@....com>
>> Tested-by: Li Jun <jun.li@....com>
>
> Do you have any comments about this patchset, if not I will resend it
> with testing by Li Jun (thanks for Jun reviewing and testing). Thanks.

please resend. I don't have the series in my queue anymore, sorry.

-- 
balbi

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