diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-06-02 08:05:42 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-06-02 08:05:42 +0200 |
| commit | f407a8258610169cd8e975dba7f0b2824562014c (patch) | |
| tree | 6c87b2d168a4665411a9e16b9f481599f2db25bc /drivers/clk/clk.c | |
| parent | 960d447b94b22ceba286917056871d1dac8da697 (diff) | |
| parent | c46a024ea5eb0165114dbbc8c82c29b7bcf66e71 (diff) | |
Merge branch 'linus' into sched/core, to resolve conflict
Conflicts:
arch/sparc/include/asm/topology_64.h
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/clk/clk.c')
| -rw-r--r-- | drivers/clk/clk.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 459ce9da13e0..5b0f41868b42 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1475,8 +1475,10 @@ static struct clk_core *__clk_set_parent_before(struct clk_core *clk, */ if (clk->prepare_count) { clk_core_prepare(parent); + flags = clk_enable_lock(); clk_core_enable(parent); clk_core_enable(clk); + clk_enable_unlock(flags); } /* update the clk tree topology */ @@ -1491,13 +1493,17 @@ 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); } } @@ -1525,8 +1531,10 @@ static int __clk_set_parent(struct clk_core *clk, struct clk_core *parent, clk_enable_unlock(flags); if (clk->prepare_count) { + flags = clk_enable_lock(); clk_core_disable(clk); clk_core_disable(parent); + clk_enable_unlock(flags); clk_core_unprepare(parent); } return ret; |