Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in
Toggle navigation
L
linux-davinci
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Redmine
Redmine
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Operations
Operations
Metrics
Environments
Analytics
Analytics
CI / CD
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
linux
linux-davinci
Commits
19d6f7ec
Commit
19d6f7ec
authored
Jul 08, 2009
by
Dave Jones
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
[CPUFREQ] Factor out symlink creation from cpufreq_add_dev
Signed-off-by:
Dave Jones
<
davej@redhat.com
>
parent
059019a3
Changes
1
Show whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
31 additions
and
20 deletions
+31
-20
drivers/cpufreq/cpufreq.c
drivers/cpufreq/cpufreq.c
+31
-20
No files found.
drivers/cpufreq/cpufreq.c
View file @
19d6f7ec
...
...
@@ -756,6 +756,34 @@ static struct kobj_type ktype_cpufreq = {
.
release
=
cpufreq_sysfs_release
,
};
/* symlink affected CPUs */
int
cpufreq_add_dev_symlink
(
unsigned
int
cpu
,
struct
cpufreq_policy
*
policy
)
{
unsigned
int
j
;
int
ret
=
0
;
for_each_cpu
(
j
,
policy
->
cpus
)
{
struct
cpufreq_policy
*
managed_policy
;
struct
sys_device
*
cpu_sys_dev
;
if
(
j
==
cpu
)
continue
;
if
(
!
cpu_online
(
j
))
continue
;
dprintk
(
"CPU %u already managed, adding link
\n
"
,
j
);
managed_policy
=
cpufreq_cpu_get
(
cpu
);
cpu_sys_dev
=
get_cpu_sysdev
(
j
);
ret
=
sysfs_create_link
(
&
cpu_sys_dev
->
kobj
,
&
policy
->
kobj
,
"cpufreq"
);
if
(
ret
)
{
cpufreq_cpu_put
(
managed_policy
);
return
ret
;
}
}
return
ret
;
}
/**
* cpufreq_add_dev - add a CPU device
...
...
@@ -929,26 +957,9 @@ static int cpufreq_add_dev(struct sys_device *sys_dev)
}
spin_unlock_irqrestore
(
&
cpufreq_driver_lock
,
flags
);
/* symlink affected CPUs */
for_each_cpu
(
j
,
policy
->
cpus
)
{
struct
cpufreq_policy
*
managed_policy
;
struct
sys_device
*
cpu_sys_dev
;
if
(
j
==
cpu
)
continue
;
if
(
!
cpu_online
(
j
))
continue
;
dprintk
(
"CPU %u already managed, adding link
\n
"
,
j
);
managed_policy
=
cpufreq_cpu_get
(
cpu
);
cpu_sys_dev
=
get_cpu_sysdev
(
j
);
ret
=
sysfs_create_link
(
&
cpu_sys_dev
->
kobj
,
&
policy
->
kobj
,
"cpufreq"
);
if
(
ret
)
{
cpufreq_cpu_put
(
managed_policy
);
ret
=
cpufreq_add_dev_symlink
(
cpu
,
policy
->
cpus
,
policy
);
if
(
ret
)
goto
err_out_unregister
;
}
}
policy
->
governor
=
NULL
;
/* to assure that the starting sequence is
* run in cpufreq_set_policy */
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment