tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_cleanup head: d8de692bccca02a757f4d4c2de9805b561497014 commit: 19410727eb72c71fd3c6c0398e3e8e8ac236f696 [51/61] opp: no need to check return value of debugfs_create functions config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 19410727eb72c71fd3c6c0398e3e8e8ac236f696 # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=sh
All warnings (new ones prefixed by >>):
drivers/opp/debugfs.c: In function 'opp_debug_create_supplies':
>> drivers/opp/debugfs.c:66:9: warning: 'return' with a value, in function
>> returning void
return true;
^~~~
drivers/opp/debugfs.c:38:13: note: declared here
static void opp_debug_create_supplies(struct dev_pm_opp *opp,
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/opp/debugfs.c: In function 'opp_list_debug_create_link':
drivers/opp/debugfs.c:123:23: warning: unused variable 'dev'
[-Wunused-variable]
const struct device *dev = opp_dev->dev;
^~~
vim +/return +66 drivers/opp/debugfs.c
deaa5146 drivers/base/power/opp/debugfs.c Viresh Kumar 2015-11-11 37
19410727 drivers/opp/debugfs.c Greg Kroah-Hartman 2019-01-03 38
static void opp_debug_create_supplies(struct dev_pm_opp *opp,
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 39
struct opp_table *opp_table,
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 40
struct dentry *pdentry)
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 41 {
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 42
struct dentry *d;
1fae788e drivers/base/power/opp/debugfs.c Viresh Kumar 2017-05-23 43
int i;
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 44
1fae788e drivers/base/power/opp/debugfs.c Viresh Kumar 2017-05-23 45
for (i = 0; i < opp_table->regulator_count; i++) {
d741029a drivers/opp/debugfs.c Arvind Yadav 2017-09-21 46
char name[15];
d741029a drivers/opp/debugfs.c Arvind Yadav 2017-09-21 47
d741029a drivers/opp/debugfs.c Arvind Yadav 2017-09-21 48
snprintf(name, sizeof(name), "supply-%d", i);
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 49
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 50
/* Create per-opp directory */
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 51
d = debugfs_create_dir(name, pdentry);
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 52
19410727 drivers/opp/debugfs.c Greg Kroah-Hartman 2019-01-03 53
debugfs_create_ulong("u_volt_target", S_IRUGO, d,
19410727 drivers/opp/debugfs.c Greg Kroah-Hartman 2019-01-03 54
&opp->supplies[i].u_volt);
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 55
19410727 drivers/opp/debugfs.c Greg Kroah-Hartman 2019-01-03 56
debugfs_create_ulong("u_volt_min", S_IRUGO, d,
19410727 drivers/opp/debugfs.c Greg Kroah-Hartman 2019-01-03 57
&opp->supplies[i].u_volt_min);
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 58
19410727 drivers/opp/debugfs.c Greg Kroah-Hartman 2019-01-03 59
debugfs_create_ulong("u_volt_max", S_IRUGO, d,
19410727 drivers/opp/debugfs.c Greg Kroah-Hartman 2019-01-03 60
&opp->supplies[i].u_volt_max);
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 61
19410727 drivers/opp/debugfs.c Greg Kroah-Hartman 2019-01-03 62
debugfs_create_ulong("u_amp", S_IRUGO, d,
19410727 drivers/opp/debugfs.c Greg Kroah-Hartman 2019-01-03 63
&opp->supplies[i].u_amp);
1fae788e drivers/base/power/opp/debugfs.c Viresh Kumar 2017-05-23 64
}
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 65
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 @66
return true;
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 67 }
dfbe4678 drivers/base/power/opp/debugfs.c Viresh Kumar 2016-12-01 68
:::::: The code at line 66 was first introduced by commit
:::::: dfbe4678d709e25e0f36e6b6333e2a7a67aefb7e PM / OPP: Add infrastructure to
manage multiple regulators
:::::: TO: Viresh Kumar <viresh.ku...@linaro.org>
:::::: CC: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
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