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From: kernel test robot <lkp@intel.com>
To: Mario Limonciello <mario.limonciello@dell.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
	Hans de Goede <hdegoede@redhat.com>
Subject: drivers/platform/x86/dell/dcdbas.c:302: warning: Function parameter or member 'attr' not described in 'smi_request_store'
Date: Wed, 20 Dec 2023 04:02:21 +0800	[thread overview]
Message-ID: <202312200424.T2sWsOXz-lkp@intel.com> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   2cf4f94d8e8646803f8fb0facf134b0cd7fb691a
commit: f1e1ea516721d1ea0b21327ff9e6cb2c2bb86e28 platform/x86: Move all dell drivers to their own subdirectory
date:   2 years, 10 months ago
config: i386-randconfig-014-20231101 (https://download.01.org/0day-ci/archive/20231220/202312200424.T2sWsOXz-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231220/202312200424.T2sWsOXz-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312200424.T2sWsOXz-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/platform/x86/dell/dcdbas.c:80: warning: Function parameter or member 'size' not described in 'smi_data_buf_realloc'
   drivers/platform/x86/dell/dcdbas.c:271: warning: Function parameter or member 'smi_cmd' not described in 'dcdbas_smi_request'
   drivers/platform/x86/dell/dcdbas.c:302: warning: Function parameter or member 'dev' not described in 'smi_request_store'
>> drivers/platform/x86/dell/dcdbas.c:302: warning: Function parameter or member 'attr' not described in 'smi_request_store'
>> drivers/platform/x86/dell/dcdbas.c:302: warning: Function parameter or member 'buf' not described in 'smi_request_store'
>> drivers/platform/x86/dell/dcdbas.c:302: warning: Function parameter or member 'count' not described in 'smi_request_store'
>> drivers/platform/x86/dell/dcdbas.c:603: warning: Function parameter or member 'nb' not described in 'dcdbas_reboot_notify'
>> drivers/platform/x86/dell/dcdbas.c:603: warning: Function parameter or member 'code' not described in 'dcdbas_reboot_notify'
>> drivers/platform/x86/dell/dcdbas.c:603: warning: Function parameter or member 'unused' not described in 'dcdbas_reboot_notify'


vim +302 drivers/platform/x86/dell/dcdbas.c

90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  287  
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  288  /**
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  289   * smi_request_store:
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  290   *
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  291   * The valid values are:
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  292   * 0: zero SMI data buffer
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  293   * 1: generate calling interface SMI
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  294   * 2: generate raw SMI
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  295   *
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  296   * User application writes smi_cmd to smi_data before telling driver
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  297   * to generate SMI.
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  298   */
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  299  static ssize_t smi_request_store(struct device *dev,
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  300  				 struct device_attribute *attr,
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  301  				 const char *buf, size_t count)
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06 @302  {
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  303  	struct smi_cmd *smi_cmd;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  304  	unsigned long val = simple_strtoul(buf, NULL, 10);
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  305  	ssize_t ret;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  306  
8ed965d612d9e9 drivers/firmware/dcdbas.c Arjan van de Ven 2006-03-23  307  	mutex_lock(&smi_data_lock);
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  308  
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  309  	if (smi_data_buf_size < sizeof(struct smi_cmd)) {
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  310  		ret = -ENODEV;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  311  		goto out;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  312  	}
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  313  	smi_cmd = (struct smi_cmd *)smi_data_buf;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  314  
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  315  	switch (val) {
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  316  	case 2:
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  317  		/* Raw SMI */
3cab7fd964916a drivers/firmware/dcdbas.c Matthew Garrett  2009-01-07  318  		ret = dcdbas_smi_request(smi_cmd);
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  319  		if (!ret)
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  320  			ret = count;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  321  		break;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  322  	case 1:
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  323  		/*
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  324  		 * Calling Interface SMI
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  325  		 *
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  326  		 * Provide physical address of command buffer field within
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  327  		 * the struct smi_cmd to BIOS.
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  328  		 *
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  329  		 * Because the address that smi_cmd (smi_data_buf) points to
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  330  		 * will be from memremap() of a non-memory address if WSMT
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  331  		 * is present, we can't use virt_to_phys() on smi_cmd, so
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  332  		 * we have to use the physical address that was saved when
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  333  		 * the virtual address for smi_cmd was received.
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  334  		 */
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  335  		smi_cmd->ebx = smi_data_buf_phys_addr +
12c956c4f32e08 drivers/firmware/dcdbas.c Stuart Hayes     2018-09-26  336  				offsetof(struct smi_cmd, command_buffer);
3cab7fd964916a drivers/firmware/dcdbas.c Matthew Garrett  2009-01-07  337  		ret = dcdbas_smi_request(smi_cmd);
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  338  		if (!ret)
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  339  			ret = count;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  340  		break;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  341  	case 0:
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  342  		memset(smi_data_buf, 0, smi_data_buf_size);
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  343  		ret = count;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  344  		break;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  345  	default:
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  346  		ret = -EINVAL;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  347  		break;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  348  	}
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  349  
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  350  out:
8ed965d612d9e9 drivers/firmware/dcdbas.c Arjan van de Ven 2006-03-23  351  	mutex_unlock(&smi_data_lock);
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  352  	return ret;
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  353  }
3cab7fd964916a drivers/firmware/dcdbas.c Matthew Garrett  2009-01-07  354  EXPORT_SYMBOL(dcdbas_smi_request);
90563ec4129f14 drivers/firmware/dcdbas.c Doug Warzecha    2005-09-06  355  

:::::: The code at line 302 was first introduced by commit
:::::: 90563ec4129f14d19f018240d1d3ff5c0e5e6392 [PATCH] dcdbas: add Dell Systems Management Base Driver with sysfs support

:::::: TO: Doug Warzecha <Douglas_Warzecha@dell.com>
:::::: CC: Linus Torvalds <torvalds@g5.osdl.org>

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

                 reply	other threads:[~2023-12-19 20:02 UTC|newest]

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