tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c497f8d17246720afe680ea1a8fa6e48e75af852 commit: 33692dc381f9b89ddfc408631bf670ac2fd08ffc PM / OPP: Move opp core to its own directory date: 1 year, 4 months ago config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 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 git checkout 33692dc381f9b89ddfc408631bf670ac2fd08ffc # save the attached .config to linux build tree make.cross ARCH=powerpc
All errors (new ones prefixed by >>):
>> drivers/base/power/opp/cpu.c:48:5: error: redefinition of
>> 'dev_pm_opp_init_cpufreq_table'
int dev_pm_opp_init_cpufreq_table(struct device *dev,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/base/power/opp/cpu.c:13:0:
include/linux/cpufreq.h:514:19: note: previous definition of
'dev_pm_opp_init_cpufreq_table' was here
static inline int dev_pm_opp_init_cpufreq_table(struct device *dev,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/base/power/opp/cpu.c:106:6: error: redefinition of
>> 'dev_pm_opp_free_cpufreq_table'
void dev_pm_opp_free_cpufreq_table(struct device *dev,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/base/power/opp/cpu.c:13:0:
include/linux/cpufreq.h:521:20: note: previous definition of
'dev_pm_opp_free_cpufreq_table' was here
static inline void dev_pm_opp_free_cpufreq_table(struct device *dev,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/dev_pm_opp_init_cpufreq_table +48 drivers/base/power/opp/cpu.c
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
42 *
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
43 * Locking: The internal device_opp and opp structures are RCU protected.
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
44 * Since we just use the regular accessor functions to access the internal
data
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
45 * structures, we use RCU read lock inside this function. As a result,
users of
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
46 * this function DONOT need to use explicit locks for invoking.
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
47 */
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
@48 int dev_pm_opp_init_cpufreq_table(struct device *dev,
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
49 struct cpufreq_frequency_table **table)
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
50 {
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
51 struct dev_pm_opp *opp;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
52 struct cpufreq_frequency_table *freq_table = NULL;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
53 int i, max_opps, ret = 0;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
54 unsigned long rate;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
55
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
56 rcu_read_lock();
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
57
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
58 max_opps = dev_pm_opp_get_opp_count(dev);
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
59 if (max_opps <= 0) {
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
60 ret = max_opps ? max_opps : -ENODATA;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
61 goto out;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
62 }
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
63
d3599920 drivers/cpufreq/cpufreq_opp.c Anand Moon 2014-09-05
64 freq_table = kcalloc((max_opps + 1), sizeof(*freq_table), GFP_ATOMIC);
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
65 if (!freq_table) {
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
66 ret = -ENOMEM;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
67 goto out;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
68 }
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
69
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
70 for (i = 0, rate = 0; i < max_opps; i++, rate++) {
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
71 /* find next rate */
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
72 opp = dev_pm_opp_find_freq_ceil(dev, &rate);
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
73 if (IS_ERR(opp)) {
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
74 ret = PTR_ERR(opp);
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
75 goto out;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
76 }
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
77 freq_table[i].driver_data = i;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
78 freq_table[i].frequency = rate / 1000;
79eea44a drivers/cpufreq/cpufreq_opp.c Bartlomiej Zolnierkiewicz 2015-07-29
79
79eea44a drivers/cpufreq/cpufreq_opp.c Bartlomiej Zolnierkiewicz 2015-07-29
80 /* Is Boost/turbo opp ? */
79eea44a drivers/cpufreq/cpufreq_opp.c Bartlomiej Zolnierkiewicz 2015-07-29
81 if (dev_pm_opp_is_turbo(opp))
79eea44a drivers/cpufreq/cpufreq_opp.c Bartlomiej Zolnierkiewicz 2015-07-29
82 freq_table[i].flags = CPUFREQ_BOOST_FREQ;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
83 }
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
84
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
85 freq_table[i].driver_data = i;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
86 freq_table[i].frequency = CPUFREQ_TABLE_END;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
87
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
88 *table = &freq_table[0];
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
89
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
90 out:
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
91 rcu_read_unlock();
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
92 if (ret)
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
93 kfree(freq_table);
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
94
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
95 return ret;
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
96 }
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
97 EXPORT_SYMBOL_GPL(dev_pm_opp_init_cpufreq_table);
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
98
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
99 /**
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
100 * dev_pm_opp_free_cpufreq_table() - free the cpufreq table
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
101 * @dev: device for which we do this operation
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
102 * @table: table to free
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
103 *
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
104 * Free up the table allocated by dev_pm_opp_init_cpufreq_table
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
105 */
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
@106 void dev_pm_opp_free_cpufreq_table(struct device *dev,
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
107 struct cpufreq_frequency_table **table)
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
108 {
a0dd7b79 drivers/cpufreq/cpufreq_opp.c Nishanth Menon 2014-05-05
109 if (!table)
:::::: The code at line 48 was first introduced by commit
:::::: a0dd7b79657bd6644b914d16ce7f23468c44a7b4 PM / OPP: Move cpufreq specific
OPP functions out of generic OPP library
:::::: TO: Nishanth Menon <[email protected]>
:::::: CC: Rafael J. Wysocki <[email protected]>
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https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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