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linux
linux-davinci
Commits
0a829c5a
Commit
0a829c5a
authored
Jan 18, 2009
by
Dave Jones
Browse files
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Plain Diff
[CPUFREQ] checkpatch cleanups for cpufreq_stats
Signed-off-by:
Dave Jones
<
davej@redhat.com
>
parent
9acef487
Changes
1
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1 changed file
with
35 additions
and
39 deletions
+35
-39
drivers/cpufreq/cpufreq_stats.c
drivers/cpufreq/cpufreq_stats.c
+35
-39
No files found.
drivers/cpufreq/cpufreq_stats.c
View file @
0a829c5a
...
...
@@ -2,7 +2,7 @@
* drivers/cpufreq/cpufreq_stats.c
*
* Copyright (C) 2003-2004 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>.
*
(C) 2004 Zou Nan hai <nanhai.zou@intel.com>.
* (C) 2004 Zou Nan hai <nanhai.zou@intel.com>.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
...
...
@@ -23,7 +23,7 @@
static
spinlock_t
cpufreq_stats_lock
;
#define CPUFREQ_STATDEVICE_ATTR(_name,
_mode,
_show) \
#define CPUFREQ_STATDEVICE_ATTR(_name,
_mode,
_show) \
static struct freq_attr _attr_##_name = {\
.attr = {.name = __stringify(_name), .mode = _mode, }, \
.show = _show,\
...
...
@@ -50,8 +50,7 @@ struct cpufreq_stats_attribute {
ssize_t
(
*
show
)
(
struct
cpufreq_stats
*
,
char
*
);
};
static
int
cpufreq_stats_update
(
unsigned
int
cpu
)
static
int
cpufreq_stats_update
(
unsigned
int
cpu
)
{
struct
cpufreq_stats
*
stat
;
unsigned
long
long
cur_time
;
...
...
@@ -68,8 +67,7 @@ cpufreq_stats_update (unsigned int cpu)
return
0
;
}
static
ssize_t
show_total_trans
(
struct
cpufreq_policy
*
policy
,
char
*
buf
)
static
ssize_t
show_total_trans
(
struct
cpufreq_policy
*
policy
,
char
*
buf
)
{
struct
cpufreq_stats
*
stat
=
per_cpu
(
cpufreq_stats_table
,
policy
->
cpu
);
if
(
!
stat
)
...
...
@@ -78,8 +76,7 @@ show_total_trans(struct cpufreq_policy *policy, char *buf)
per_cpu
(
cpufreq_stats_table
,
stat
->
cpu
)
->
total_trans
);
}
static
ssize_t
show_time_in_state
(
struct
cpufreq_policy
*
policy
,
char
*
buf
)
static
ssize_t
show_time_in_state
(
struct
cpufreq_policy
*
policy
,
char
*
buf
)
{
ssize_t
len
=
0
;
int
i
;
...
...
@@ -89,14 +86,14 @@ show_time_in_state(struct cpufreq_policy *policy, char *buf)
cpufreq_stats_update
(
stat
->
cpu
);
for
(
i
=
0
;
i
<
stat
->
state_num
;
i
++
)
{
len
+=
sprintf
(
buf
+
len
,
"%u %llu
\n
"
,
stat
->
freq_table
[
i
],
(
unsigned
long
long
)
cputime64_to_clock_t
(
stat
->
time_in_state
[
i
]));
(
unsigned
long
long
)
cputime64_to_clock_t
(
stat
->
time_in_state
[
i
]));
}
return
len
;
}
#ifdef CONFIG_CPU_FREQ_STAT_DETAILS
static
ssize_t
show_trans_table
(
struct
cpufreq_policy
*
policy
,
char
*
buf
)
static
ssize_t
show_trans_table
(
struct
cpufreq_policy
*
policy
,
char
*
buf
)
{
ssize_t
len
=
0
;
int
i
,
j
;
...
...
@@ -139,11 +136,11 @@ show_trans_table(struct cpufreq_policy *policy, char *buf)
return
PAGE_SIZE
;
return
len
;
}
CPUFREQ_STATDEVICE_ATTR
(
trans_table
,
0444
,
show_trans_table
);
CPUFREQ_STATDEVICE_ATTR
(
trans_table
,
0444
,
show_trans_table
);
#endif
CPUFREQ_STATDEVICE_ATTR
(
total_trans
,
0444
,
show_total_trans
);
CPUFREQ_STATDEVICE_ATTR
(
time_in_state
,
0444
,
show_time_in_state
);
CPUFREQ_STATDEVICE_ATTR
(
total_trans
,
0444
,
show_total_trans
);
CPUFREQ_STATDEVICE_ATTR
(
time_in_state
,
0444
,
show_time_in_state
);
static
struct
attribute
*
default_attrs
[]
=
{
&
_attr_total_trans
.
attr
,
...
...
@@ -158,8 +155,7 @@ static struct attribute_group stats_attr_group = {
.
name
=
"stats"
};
static
int
freq_table_get_index
(
struct
cpufreq_stats
*
stat
,
unsigned
int
freq
)
static
int
freq_table_get_index
(
struct
cpufreq_stats
*
stat
,
unsigned
int
freq
)
{
int
index
;
for
(
index
=
0
;
index
<
stat
->
max_state
;
index
++
)
...
...
@@ -183,8 +179,7 @@ static void cpufreq_stats_free_table(unsigned int cpu)
cpufreq_cpu_put
(
policy
);
}
static
int
cpufreq_stats_create_table
(
struct
cpufreq_policy
*
policy
,
static
int
cpufreq_stats_create_table
(
struct
cpufreq_policy
*
policy
,
struct
cpufreq_frequency_table
*
table
)
{
unsigned
int
i
,
j
,
count
=
0
,
ret
=
0
;
...
...
@@ -194,7 +189,8 @@ cpufreq_stats_create_table (struct cpufreq_policy *policy,
unsigned
int
cpu
=
policy
->
cpu
;
if
(
per_cpu
(
cpufreq_stats_table
,
cpu
))
return
-
EBUSY
;
if
((
stat
=
kzalloc
(
sizeof
(
struct
cpufreq_stats
),
GFP_KERNEL
))
==
NULL
)
stat
=
kzalloc
(
sizeof
(
struct
cpufreq_stats
),
GFP_KERNEL
);
if
((
stat
)
==
NULL
)
return
-
ENOMEM
;
data
=
cpufreq_cpu_get
(
cpu
);
...
...
@@ -203,13 +199,14 @@ cpufreq_stats_create_table (struct cpufreq_policy *policy,
goto
error_get_fail
;
}
if
((
ret
=
sysfs_create_group
(
&
data
->
kobj
,
&
stats_attr_group
)))
ret
=
sysfs_create_group
(
&
data
->
kobj
,
&
stats_attr_group
);
if
(
ret
)
goto
error_out
;
stat
->
cpu
=
cpu
;
per_cpu
(
cpufreq_stats_table
,
cpu
)
=
stat
;
for
(
i
=
0
;
table
[
i
].
frequency
!=
CPUFREQ_TABLE_END
;
i
++
)
{
for
(
i
=
0
;
table
[
i
].
frequency
!=
CPUFREQ_TABLE_END
;
i
++
)
{
unsigned
int
freq
=
table
[
i
].
frequency
;
if
(
freq
==
CPUFREQ_ENTRY_INVALID
)
continue
;
...
...
@@ -255,9 +252,8 @@ error_get_fail:
return
ret
;
}
static
int
cpufreq_stat_notifier_policy
(
struct
notifier_block
*
nb
,
unsigned
long
val
,
void
*
data
)
static
int
cpufreq_stat_notifier_policy
(
struct
notifier_block
*
nb
,
unsigned
long
val
,
void
*
data
)
{
int
ret
;
struct
cpufreq_policy
*
policy
=
data
;
...
...
@@ -268,14 +264,14 @@ cpufreq_stat_notifier_policy (struct notifier_block *nb, unsigned long val,
table
=
cpufreq_frequency_get_table
(
cpu
);
if
(
!
table
)
return
0
;
if
((
ret
=
cpufreq_stats_create_table
(
policy
,
table
)))
ret
=
cpufreq_stats_create_table
(
policy
,
table
);
if
(
ret
)
return
ret
;
return
0
;
}
static
int
cpufreq_stat_notifier_trans
(
struct
notifier_block
*
nb
,
unsigned
long
val
,
void
*
data
)
static
int
cpufreq_stat_notifier_trans
(
struct
notifier_block
*
nb
,
unsigned
long
val
,
void
*
data
)
{
struct
cpufreq_freqs
*
freq
=
data
;
struct
cpufreq_stats
*
stat
;
...
...
@@ -340,19 +336,20 @@ static struct notifier_block notifier_trans_block = {
.
notifier_call
=
cpufreq_stat_notifier_trans
};
static
int
__init
cpufreq_stats_init
(
void
)
static
int
__init
cpufreq_stats_init
(
void
)
{
int
ret
;
unsigned
int
cpu
;
spin_lock_init
(
&
cpufreq_stats_lock
);
if
((
ret
=
cpufreq_register_notifier
(
&
notifier_policy_block
,
CPUFREQ_POLICY_NOTIFIER
)))
ret
=
cpufreq_register_notifier
(
&
notifier_policy_block
,
CPUFREQ_POLICY_NOTIFIER
);
if
(
ret
)
return
ret
;
if
((
ret
=
cpufreq_register_notifier
(
&
notifier_trans_block
,
CPUFREQ_TRANSITION_NOTIFIER
)))
{
ret
=
cpufreq_register_notifier
(
&
notifier_trans_block
,
CPUFREQ_TRANSITION_NOTIFIER
);
if
(
ret
)
{
cpufreq_unregister_notifier
(
&
notifier_policy_block
,
CPUFREQ_POLICY_NOTIFIER
);
return
ret
;
...
...
@@ -364,8 +361,7 @@ __init cpufreq_stats_init(void)
}
return
0
;
}
static
void
__exit
cpufreq_stats_exit
(
void
)
static
void
__exit
cpufreq_stats_exit
(
void
)
{
unsigned
int
cpu
;
...
...
@@ -379,10 +375,10 @@ __exit cpufreq_stats_exit(void)
}
}
MODULE_AUTHOR
(
"Zou Nan hai <nanhai.zou@intel.com>"
);
MODULE_DESCRIPTION
(
"'cpufreq_stats' - A driver to export cpufreq stats "
MODULE_AUTHOR
(
"Zou Nan hai <nanhai.zou@intel.com>"
);
MODULE_DESCRIPTION
(
"'cpufreq_stats' - A driver to export cpufreq stats "
"through sysfs filesystem"
);
MODULE_LICENSE
(
"GPL"
);
MODULE_LICENSE
(
"GPL"
);
module_init
(
cpufreq_stats_init
);
module_exit
(
cpufreq_stats_exit
);
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