linux-kernel - Re: [PATCH v4 3/5] gadget: Support for the usb charger framework

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Date:	Thu, 20 Aug 2015 09:42:05 +0800
From:	Baolin Wang <baolin.wang@...aro.org>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:	Felipe Balbi <balbi@...com>, Mark Brown <broonie@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	Peter Chen <peter.chen@...escale.com>, sojka@...ica.cz,
	Alan Stern <stern@...land.harvard.edu>, r.baldyga@...sung.com,
	yoshihiro.shimoda.uh@...esas.com, linux-usb@...r.kernel.org,
	device-mainlining@...ts.linuxfoundation.org, sre@...nel.org,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>, sameo@...ux.intel.com,
	Lee Jones <lee.jones@...aro.org>,
	patches@...nsource.wolfsonmicro.com, linux-pm@...r.kernel.org
Subject: Re: [PATCH v4 3/5] gadget: Support for the usb charger framework

On 19 August 2015 at 20:56, Sergei Shtylyov
<sergei.shtylyov@...entembedded.com> wrote:
> Hello.
>
> On 8/19/2015 12:13 PM, Baolin Wang wrote:
>
>> For supporting the usb charger, it adds the usb_charger_init() and
>> usb_charger_exit() functions for usb charger initialization and exit.
>>
>> Introduce a callback 'get_charger_type' which will implemented by
>> user for usb gadget operations to get the usb charger type.
>>
>> Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
>
> [...]
>
>> diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
>> index 755e8bc..44d82f5 100644
>> --- a/include/linux/usb/gadget.h
>> +++ b/include/linux/usb/gadget.h
>> @@ -537,6 +537,7 @@ struct usb_gadget_ops {
>>         struct usb_ep *(*match_ep)(struct usb_gadget *,
>>                         struct usb_endpoint_descriptor *,
>>                         struct usb_ss_ep_comp_descriptor *);
>> +       enum usb_charger_type   (*get_charger_type)(struct usb_gadget *);
>
>                              ^^^ please use space, not tab here

OK.

>
>>   };
>>
>>   /**
>> @@ -611,6 +612,7 @@ struct usb_gadget {
>>         struct usb_otg_caps             *otg_caps;
>>         struct raw_notifier_head        nh;
>>         struct mutex                    lock;
>> +       struct usb_charger              *uchger;
>
>
>    Why not simply call the field 'charger'? :-)

I think 'uchger' is the abbreviation of 'usb charger' which is maybe a
little verbous, I'll change it. Thanks for your comments.

>
> [...]
>
> WBR, Sergei
>



-- 
Baolin.wang
Best Regards
--
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