Re: [PATCH v5 1/5] gadget: Introduce the notifier functions

[Baolin Wang]

On 7 November 2015 at 00:56, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Fri, Nov 06, 2015 at 07:35:10PM +0800, Baolin Wang wrote:

>>  #ifdef       CONFIG_HAS_DMA
>> diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
>> index c14a69b..755e8bc 100644
>> --- a/include/linux/usb/gadget.h
>> +++ b/include/linux/usb/gadget.h
>> @@ -609,6 +609,8 @@ struct usb_gadget {
>>       unsigned                        out_epnum;
>>       unsigned                        in_epnum;
>>       struct usb_otg_caps             *otg_caps;
>> +     struct raw_notifier_head        nh;
>> +     struct mutex                    lock;
>
> You have to document what this lock protects.

OK.

>
>
>>
>>       unsigned                        sg_supported:1;
>>       unsigned                        is_otg:1;
>> @@ -1183,6 +1185,22 @@ extern void usb_gadget_unmap_request(struct usb_gadget *gadget,
>>
>>  /*-------------------------------------------------------------------------*/
>>
>> +/**
>> + * Register a notifiee to get notified by any attach status changes from
>> + * the usb gadget
>> + */
>
> kerneldoc does not belong in a .h file.
>

I'll remove the comments.

> And the kbuild system found lots of problems with this series, please
> fix those at the very least :(

I'm sorry for that, I'll check the patches again. Thanks for your comments.

>
> thanks,
>
> greg k-h



-- 
Baolin.wang
Best Regards
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