AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-13 10:06:47 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge branch 'clk-fixes' into clk-next

Browse Source
This commit is contained in:
Stephen Boyd 2015-05-07 11:32:49 -07:00
commit 18e70efe3e
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/clk/clk.c
View File

@ -1097,8 +1097,10 @@ static struct clk_core *__clk_set_parent_before(struct clk_core *core,
*/
if (core->prepare_count) {
clk_core_prepare(parent);
flags = clk_enable_lock();
clk_core_enable(parent);
clk_core_enable(core);
clk_enable_unlock(flags);
}
/* update the clk tree topology */
@ -1113,13 +1115,17 @@ static void __clk_set_parent_after(struct clk_core *core,
struct clk_core *parent,
struct clk_core *old_parent)
{
unsigned long flags;
/*
* Finish the migration of prepare state and undo the changes done
* for preventing a race with clk_enable().
*/
if (core->prepare_count) {
flags = clk_enable_lock();
clk_core_disable(core);
clk_core_disable(old_parent);
clk_enable_unlock(flags);
clk_core_unprepare(old_parent);
}
}
@ -1147,8 +1153,10 @@ static int __clk_set_parent(struct clk_core *core, struct clk_core *parent,
clk_enable_unlock(flags);
if (core->prepare_count) {
flags = clk_enable_lock();
clk_core_disable(core);
clk_core_disable(parent);
clk_enable_unlock(flags);
clk_core_unprepare(parent);
}
return ret;