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