linux-kernel - Re: [PATCH] watchdog: Add an IPMI watchdog driver in the watchdog framework

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Message-ID: <202305030442.Ug9opjA1-lkp@intel.com>
Date:   Wed, 3 May 2023 04:42:24 +0800
From:   kernel test robot <lkp@...el.com>
To:     minyard@....org, im Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     oe-kbuild-all@...ts.linux.dev,
        openipmi-developer@...ts.sourceforge.net,
        linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        Corey Minyard <cminyard@...sta.com>
Subject: Re: [PATCH] watchdog: Add an IPMI watchdog driver in the watchdog
 framework

Hi,

kernel test robot noticed the following build warnings:

[auto build test WARNING on cminyard-ipmi/for-next]
[also build test WARNING on groeck-staging/hwmon-next linus/master v6.3 next-20230428]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/minyard-acm-org/watchdog-Add-an-IPMI-watchdog-driver-in-the-watchdog-framework/20230502-230545
base:   https://github.com/cminyard/linux-ipmi for-next
patch link:    https://lore.kernel.org/r/20230502150215.1266526-1-minyard%40acm.org
patch subject: [PATCH] watchdog: Add an IPMI watchdog driver in the watchdog framework
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20230503/202305030442.Ug9opjA1-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/3138708f587acacac7e95f3098e7a9587866a66e
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review minyard-acm-org/watchdog-Add-an-IPMI-watchdog-driver-in-the-watchdog-framework/20230502-230545
        git checkout 3138708f587acacac7e95f3098e7a9587866a66e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/watchdog/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305030442.Ug9opjA1-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/watchdog/ipmi_wdt.c:515:5: warning: no previous prototype for 'ipmi_wdt_start' [-Wmissing-prototypes]
     515 | int ipmi_wdt_start(struct watchdog_device *wd)
         |     ^~~~~~~~~~~~~~
   drivers/watchdog/ipmi_wdt.c:529:5: warning: no previous prototype for 'ipmi_wdt_stop' [-Wmissing-prototypes]
     529 | int ipmi_wdt_stop(struct watchdog_device *wd)
         |     ^~~~~~~~~~~~~
   drivers/watchdog/ipmi_wdt.c:539:5: warning: no previous prototype for 'ipmi_wdt_ping' [-Wmissing-prototypes]
     539 | int ipmi_wdt_ping(struct watchdog_device *wd)
         |     ^~~~~~~~~~~~~
   drivers/watchdog/ipmi_wdt.c:550:5: warning: no previous prototype for 'ipmi_wdt_set_timeout' [-Wmissing-prototypes]
     550 | int ipmi_wdt_set_timeout(struct watchdog_device *wd, unsigned int to)
         |     ^~~~~~~~~~~~~~~~~~~~
>> drivers/watchdog/ipmi_wdt.c:563:5: warning: no previous prototype for 'ipmi_wdt_set_pretimeout' [-Wmissing-prototypes]
     563 | int ipmi_wdt_set_pretimeout(struct watchdog_device *wd, unsigned int pto)
         |     ^~~~~~~~~~~~~~~~~~~~~~~


vim +/ipmi_wdt_set_pretimeout +563 drivers/watchdog/ipmi_wdt.c

   561	
   562	#ifdef HAVE_DIE_NMI
 > 563	int ipmi_wdt_set_pretimeout(struct watchdog_device *wd, unsigned int pto)
   564	{
   565		int rv;
   566	
   567		mutex_lock(&ipmi_watchdog_mutex);
   568		pretimeout = pto;
   569		if (pto)
   570			pretimeout_state = WDOG_PRETIMEOUT_NMI;
   571		else
   572			pretimeout_state = WDOG_PRETIMEOUT_NONE;
   573	
   574		rv = _ipmi_set_timeout(IPMI_SET_TIMEOUT_HB_IF_NECESSARY);
   575		mutex_unlock(&ipmi_watchdog_mutex);
   576	
   577		return rv;
   578	}
   579	#endif
   580	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests