drivers/opp/core.c:1967: warning: Function parameter or member 'opp_table' not described in '_opp_set_supported_hw'

From: kernel test robot
Date: Sat Sep 09 2023 - 06:50:41 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 6099776f9f268e61fe5ecd721f994a8cfce5306f
commit: 89f03984fa2abface1ffb1fe050b7c175651ffc7 OPP: Migrate set-supported-hw API to use set-config helpers
date: 1 year, 2 months ago
config: csky-defconfig (https://download.01.org/0day-ci/archive/20230909/202309091848.KgU5T4Kb-lkp@xxxxxxxxx/config)
compiler: csky-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230909/202309091848.KgU5T4Kb-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309091848.KgU5T4Kb-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/opp/core.c:1967: warning: Function parameter or member 'opp_table' not described in '_opp_set_supported_hw'
>> drivers/opp/core.c:1967: warning: Excess function parameter 'dev' description in '_opp_set_supported_hw'
drivers/opp/core.c:2068: warning: Function parameter or member 'opp_table' not described in '_opp_set_regulators'
drivers/opp/core.c:2068: warning: Excess function parameter 'count' description in '_opp_set_regulators'
drivers/opp/core.c:2709: warning: Function parameter or member 'token' not described in 'dev_pm_opp_clear_config'
drivers/opp/core.c:2709: warning: Excess function parameter 'opp_table' description in 'dev_pm_opp_clear_config'


vim +1967 drivers/opp/core.c

38393409da345c drivers/base/power/opp.c Viresh Kumar 2014-11-25 1953
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1954 /**
89f03984fa2abf drivers/opp/core.c Viresh Kumar 2022-05-26 1955 * _opp_set_supported_hw() - Set supported platforms
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1956 * @dev: Device for which supported-hw has to be set.
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1957 * @versions: Array of hierarchy of versions to match.
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1958 * @count: Number of elements in the array.
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1959 *
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1960 * This is required only for the V2 bindings, and it enables a platform to
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1961 * specify the hierarchy of versions it supports. OPP layer will then enable
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1962 * OPPs, which are available for those versions, based on its 'opp-supported-hw'
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1963 * property.
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1964 */
89f03984fa2abf drivers/opp/core.c Viresh Kumar 2022-05-26 1965 static int _opp_set_supported_hw(struct opp_table *opp_table,
fa30184d192ec7 drivers/base/power/opp/core.c Viresh Kumar 2017-01-23 1966 const u32 *versions, unsigned int count)
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 @1967 {
25419de1b8dda2 drivers/opp/core.c Viresh Kumar 2018-05-22 1968 /* Another CPU that shares the OPP table has set the property ? */
25419de1b8dda2 drivers/opp/core.c Viresh Kumar 2018-05-22 1969 if (opp_table->supported_hw)
89f03984fa2abf drivers/opp/core.c Viresh Kumar 2022-05-26 1970 return 0;
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1971
2c2709dc6921c5 drivers/base/power/opp/core.c Viresh Kumar 2016-02-16 1972 opp_table->supported_hw = kmemdup(versions, count * sizeof(*versions),
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1973 GFP_KERNEL);
89f03984fa2abf drivers/opp/core.c Viresh Kumar 2022-05-26 1974 if (!opp_table->supported_hw)
89f03984fa2abf drivers/opp/core.c Viresh Kumar 2022-05-26 1975 return -ENOMEM;
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1976
2c2709dc6921c5 drivers/base/power/opp/core.c Viresh Kumar 2016-02-16 1977 opp_table->supported_hw_count = count;
fa30184d192ec7 drivers/base/power/opp/core.c Viresh Kumar 2017-01-23 1978
89f03984fa2abf drivers/opp/core.c Viresh Kumar 2022-05-26 1979 return 0;
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1980 }
7de36b0aa51a5a drivers/base/power/opp/core.c Viresh Kumar 2015-12-09 1981

:::::: The code at line 1967 was first introduced by commit
:::::: 7de36b0aa51a5a59e28fb2da768fa3ab07de0674 PM / OPP: Parse 'opp-supported-hw' binding

:::::: TO: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
:::::: CC: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

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