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Kirill Smelkov
linux
Commits
3d48b9e4
Commit
3d48b9e4
authored
Jul 09, 2003
by
Dave Jones
Committed by
Dave Jones
Jul 09, 2003
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[CPUFREQ] move cpufreq_restore(), and don't make it dependent on CONFIG_PM
From Dominik.
parent
1c576b19
Changes
1
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1 changed file
with
23 additions
and
35 deletions
+23
-35
kernel/cpufreq.c
kernel/cpufreq.c
+23
-35
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kernel/cpufreq.c
View file @
3d48b9e4
...
@@ -422,7 +422,29 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
...
@@ -422,7 +422,29 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
return
0
;
return
0
;
}
}
static
int
cpufreq_restore
(
struct
sys_device
*
);
/**
* cpufreq_restore - restore the CPU clock frequency after resume
*
* Restore the CPU clock frequency so that our idea of the current
* frequency reflects the actual hardware.
*/
static
int
cpufreq_restore
(
struct
sys_device
*
sysdev
)
{
int
cpu
=
sysdev
->
id
;
unsigned
int
ret
=
0
;
struct
cpufreq_policy
policy
;
if
(
cpu_online
(
cpu
)
&&
cpufreq_cpu_get
(
cpu
))
{
down
(
&
cpufreq_driver_sem
);
memcpy
(
&
policy
,
&
cpufreq_driver
->
policy
[
cpu
],
sizeof
(
struct
cpufreq_policy
));
up
(
&
cpufreq_driver_sem
);
ret
=
cpufreq_set_policy
(
&
policy
);
cpufreq_cpu_put
(
cpu
);
}
return
ret
;
}
static
struct
sysdev_driver
cpufreq_sysdev_driver
=
{
static
struct
sysdev_driver
cpufreq_sysdev_driver
=
{
.
add
=
cpufreq_add_dev
,
.
add
=
cpufreq_add_dev
,
...
@@ -877,37 +899,3 @@ int cpufreq_unregister_driver(struct cpufreq_driver *driver)
...
@@ -877,37 +899,3 @@ int cpufreq_unregister_driver(struct cpufreq_driver *driver)
return
0
;
return
0
;
}
}
EXPORT_SYMBOL_GPL
(
cpufreq_unregister_driver
);
EXPORT_SYMBOL_GPL
(
cpufreq_unregister_driver
);
#ifdef CONFIG_PM
/**
* cpufreq_restore - restore the CPU clock frequency after resume
*
* Restore the CPU clock frequency so that our idea of the current
* frequency reflects the actual hardware.
*/
static
int
cpufreq_restore
(
struct
sys_device
*
sysdev
)
{
int
cpu
=
sysdev
->
id
;
unsigned
int
ret
=
0
;
struct
cpufreq_policy
policy
;
if
(
cpu_online
(
cpu
)
&&
cpufreq_cpu_get
(
cpu
))
{
down
(
&
cpufreq_driver_sem
);
memcpy
(
&
policy
,
&
cpufreq_driver
->
policy
[
cpu
],
sizeof
(
struct
cpufreq_policy
));
up
(
&
cpufreq_driver_sem
);
ret
=
cpufreq_set_policy
(
&
policy
);
cpufreq_cpu_put
(
cpu
);
}
return
ret
;
}
#else
static
int
cpufreq_restore
(
struct
sys_device
*
sysdev
)
{
return
0
;
}
#endif
/* CONFIG_PM */
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