linux-kernel - drivers/rpmsg/rpmsg_char.c:75: warning: Function parameter or struct member 'remote_flow_restricted' not described in 'rpmsg

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Message-ID: <202312181313.S1vYyoGH-lkp@intel.com>
Date: Mon, 18 Dec 2023 13:53:48 +0800
From: kernel test robot <lkp@...el.com>
To: Chris Lew <quic_clew@...cinc.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Bjorn Andersson <andersson@...nel.org>,
	Deepak Kumar Singh <quic_deesin@...cinc.com>,
	Sarannya S <quic_sarannya@...cinc.com>
Subject: drivers/rpmsg/rpmsg_char.c:75: warning: Function parameter or struct
 member 'remote_flow_restricted' not described in 'rpmsg_eptdev'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ceb6a6f023fd3e8b07761ed900352ef574010bcb
commit: 5550201c0fe26a76c53983bd36a58d4c4395ec22 rpmsg: char: Add RPMSG GET/SET FLOWCONTROL IOCTL support
date:   5 months ago
config: i386-buildonly-randconfig-001-20231218 (https://download.01.org/0day-ci/archive/20231218/202312181313.S1vYyoGH-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231218/202312181313.S1vYyoGH-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312181313.S1vYyoGH-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/rpmsg/rpmsg_char.c:75: warning: Function parameter or struct member 'remote_flow_restricted' not described in 'rpmsg_eptdev'
>> drivers/rpmsg/rpmsg_char.c:75: warning: Function parameter or struct member 'remote_flow_updated' not described in 'rpmsg_eptdev'


vim +75 drivers/rpmsg/rpmsg_char.c

c0cdc19f84a471 Bjorn Andersson  2017-01-11  41  
c0cdc19f84a471 Bjorn Andersson  2017-01-11  42  /**
c0cdc19f84a471 Bjorn Andersson  2017-01-11  43   * struct rpmsg_eptdev - endpoint device context
c0cdc19f84a471 Bjorn Andersson  2017-01-11  44   * @dev:	endpoint device
c0cdc19f84a471 Bjorn Andersson  2017-01-11  45   * @cdev:	cdev for the endpoint device
c0cdc19f84a471 Bjorn Andersson  2017-01-11  46   * @rpdev:	underlaying rpmsg device
c0cdc19f84a471 Bjorn Andersson  2017-01-11  47   * @chinfo:	info used to open the endpoint
c0cdc19f84a471 Bjorn Andersson  2017-01-11  48   * @ept_lock:	synchronization of @ept modifications
c0cdc19f84a471 Bjorn Andersson  2017-01-11  49   * @ept:	rpmsg endpoint reference, when open
c0cdc19f84a471 Bjorn Andersson  2017-01-11  50   * @queue_lock:	synchronization of @queue operations
c0cdc19f84a471 Bjorn Andersson  2017-01-11  51   * @queue:	incoming message queue
c0cdc19f84a471 Bjorn Andersson  2017-01-11  52   * @readq:	wait object for incoming queue
bea9b79c2d10fe Arnaud Pouliquen 2022-01-24  53   * @default_ept: set to channel default endpoint if the default endpoint should be re-used
bea9b79c2d10fe Arnaud Pouliquen 2022-01-24  54   *              on device open to prevent endpoint address update.
5550201c0fe26a Chris Lew        2023-07-07  55   * remote_flow_restricted: to indicate if the remote has requested for flow to be limited
5550201c0fe26a Chris Lew        2023-07-07  56   * remote_flow_updated: to indicate if the flow control has been requested
c0cdc19f84a471 Bjorn Andersson  2017-01-11  57   */
c0cdc19f84a471 Bjorn Andersson  2017-01-11  58  struct rpmsg_eptdev {
c0cdc19f84a471 Bjorn Andersson  2017-01-11  59  	struct device dev;
c0cdc19f84a471 Bjorn Andersson  2017-01-11  60  	struct cdev cdev;
c0cdc19f84a471 Bjorn Andersson  2017-01-11  61  
c0cdc19f84a471 Bjorn Andersson  2017-01-11  62  	struct rpmsg_device *rpdev;
c0cdc19f84a471 Bjorn Andersson  2017-01-11  63  	struct rpmsg_channel_info chinfo;
c0cdc19f84a471 Bjorn Andersson  2017-01-11  64  
c0cdc19f84a471 Bjorn Andersson  2017-01-11  65  	struct mutex ept_lock;
c0cdc19f84a471 Bjorn Andersson  2017-01-11  66  	struct rpmsg_endpoint *ept;
bea9b79c2d10fe Arnaud Pouliquen 2022-01-24  67  	struct rpmsg_endpoint *default_ept;
c0cdc19f84a471 Bjorn Andersson  2017-01-11  68  
c0cdc19f84a471 Bjorn Andersson  2017-01-11  69  	spinlock_t queue_lock;
c0cdc19f84a471 Bjorn Andersson  2017-01-11  70  	struct sk_buff_head queue;
c0cdc19f84a471 Bjorn Andersson  2017-01-11  71  	wait_queue_head_t readq;
bea9b79c2d10fe Arnaud Pouliquen 2022-01-24  72  
5550201c0fe26a Chris Lew        2023-07-07  73  	bool remote_flow_restricted;
5550201c0fe26a Chris Lew        2023-07-07  74  	bool remote_flow_updated;
c0cdc19f84a471 Bjorn Andersson  2017-01-11 @75  };
c0cdc19f84a471 Bjorn Andersson  2017-01-11  76  

:::::: The code at line 75 was first introduced by commit
:::::: c0cdc19f84a4712cf74888f83af286e3c2e14efd rpmsg: Driver for user space endpoint interface

:::::: TO: Bjorn Andersson <bjorn.andersson@...aro.org>
:::::: CC: Bjorn Andersson <bjorn.andersson@...aro.org>

-- 
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