Re: [PATCH] regulator: core: Add debugfs to show constraint flags

[kbuild test robot <lkp@intel.com>]

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Hi,

[auto build test WARNING on regulator/for-next]
[also build test WARNING on v4.6-rc4 next-20160420]
[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/Richard-Fitzgerald/regulator-core-Add-debugfs-to-show-constraint-flags/20160421-200958
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next
config: s390-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=s390 

All warnings (new ones prefixed by >>):

>> drivers/regulator/core.c:1320:2: warning: initialization from incompatible pointer type
     .read = constraint_flags_read_file,
     ^
   drivers/regulator/core.c:1320:2: warning: (near initialization for 'constraint_flags_fops.read')
   drivers/regulator/core.c:2558:1: warning: 'regulator_can_change_voltage' is deprecated (declared at drivers/regulator/core.c:2541) [-Wdeprecated-declarations]
    EXPORT_SYMBOL_GPL(regulator_can_change_voltage);
    ^
   In file included from include/linux/linkage.h:6:0,
                    from include/linux/kernel.h:6,
                    from drivers/regulator/core.c:16:
   include/linux/export.h:63:25: warning: 'regulator_can_change_voltage' is deprecated (declared at drivers/regulator/core.c:2541) [-Wdeprecated-declarations]
     __visible const struct kernel_symbol __ksymtab_##sym \
                            ^
   include/linux/export.h:72:2: note: in expansion of macro '__EXPORT_SYMBOL'
     __EXPORT_SYMBOL(sym, "_gpl")
     ^
   drivers/regulator/core.c:2558:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
    EXPORT_SYMBOL_GPL(regulator_can_change_voltage);
    ^

vim +1320 drivers/regulator/core.c

  1304			!!c->ramp_disable,
  1305			!!c->soft_start,
  1306			!!c->pull_down,
  1307			!!c->over_current_protection);
  1308	
  1309		ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
  1310		kfree(buf);
  1311	
  1312		return ret;
  1313	}
  1314	
  1315	#endif
  1316	
  1317	static const struct file_operations constraint_flags_fops = {
  1318	#ifdef CONFIG_DEBUG_FS
  1319		.open = simple_open,
> 1320		.read = constraint_flags_read_file,
  1321		.llseek = default_llseek,
  1322	#endif
  1323	};
  1324	
  1325	#define REG_STR_SIZE	64
  1326	
  1327	static struct regulator *create_regulator(struct regulator_dev *rdev,
  1328						  struct device *dev,

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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