linux-kernel - Re: [PATCH v4 06/43] usb: gadget: composite: introduce new descriptors format

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Message-ID: <201602041336.T8BrUTkL%fengguang.wu@intel.com>
Date:	Thu, 4 Feb 2016 13:16:08 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Robert Baldyga <r.baldyga@...sung.com>
Cc:	kbuild-all@...org, balbi@...com, gregkh@...uxfoundation.org,
	andrzej.p@...sung.com, m.szyprowski@...sung.com,
	b.zolnierkie@...sung.com, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Robert Baldyga <r.baldyga@...sung.com>
Subject: Re: [PATCH v4 06/43] usb: gadget: composite: introduce new
 descriptors format

Hi Robert,

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on v4.5-rc2 next-20160203]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Robert-Baldyga/usb-gadget-composite-introduce-new-function-API/20160203-205850
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   include/linux/usb/gadget.h:227: warning: No description found for parameter 'claimed'
   include/linux/usb/gadget.h:227: warning: No description found for parameter 'enabled'
   include/linux/usb/gadget.h:652: warning: No description found for parameter 'quirk_altset_not_supp'
   include/linux/usb/gadget.h:652: warning: No description found for parameter 'quirk_stall_not_supp'
   include/linux/usb/gadget.h:652: warning: No description found for parameter 'quirk_zlp_not_supp'
>> include/linux/usb/composite.h:114: warning: No description found for parameter 'ss_comp'
>> include/linux/usb/composite.h:141: warning: No description found for parameter 'alt'
   include/linux/usb/composite.h:628: warning: Excess struct/union/enum/typedef member 'setup_pending' description in 'usb_composite_dev'
   include/linux/usb/composite.h:628: warning: Excess struct/union/enum/typedef member 'os_desc_pending' description in 'usb_composite_dev'
   drivers/usb/gadget/function/f_acm.c:1: warning: no structured comments found
   drivers/usb/gadget/function/f_ecm.c:1: warning: no structured comments found
   drivers/usb/gadget/function/f_subset.c:1: warning: no structured comments found
   drivers/usb/gadget/function/f_obex.c:1: warning: no structured comments found
   drivers/usb/gadget/function/f_serial.c:1: warning: no structured comments found

vim +/ss_comp +114 include/linux/usb/composite.h

   108		} ss_comp;
   109	
   110		struct list_head vendor_descs;
   111		int vendor_descs_num;
   112	
   113		struct usb_ep *ep;
 > 114	};
   115	
   116	/**
   117	 * struct usb_composite_altset - representation of USB altsetting
   118	 * @alt.desc: interface (altsetting) descriptor
   119	 * @eps: array of endpoints in altsetting
   120	 * @eps_num: number of endpoints
   121	 * @vendor_descs: list of vendor specific descriptors
   122	 * @vendor_descs_num: count of vendor specific descriptors
   123	 *
   124	 * We have pointer to alt descriptor in union with pointer to descriptor
   125	 * header in order to avoid casting in many places in code, because in
   126	 * some situations we want to have access to fields of particular type
   127	 * of descriptor, while in other situations we want to treat all types
   128	 * of descriptors in the same way.
   129	 */
   130	struct usb_composite_altset {
   131		union {
   132			struct usb_descriptor_header *header;
   133			struct usb_interface_descriptor *desc;
   134		} alt;
   135	
   136		struct usb_composite_ep **eps;
   137		int eps_num;
   138	
   139		struct list_head vendor_descs;
   140		int vendor_descs_num;
 > 141	};
   142	
   143	/**
   144	 * struct usb_composite_intf - representation of USB interface

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