diff options
author | Stephen Boyd <sboyd@codeaurora.org> | 2015-05-06 17:00:54 -0700 |
---|---|---|
committer | Stephen Boyd <sboyd@codeaurora.org> | 2015-05-07 11:32:54 -0700 |
commit | a63347251907d7f9fc2fc02e3b9898efda573c05 (patch) | |
tree | 7ba9c5fbc3d328d0457469ada3988056bb42b3a6 | |
parent | 18e70efe3e2a27b53a63fb4454cc6c9e1dc0db49 (diff) |
clk: Add some more lockdep assertions
We don't check to make sure the enable_lock is held across
enable/disable and we don't check if the prepare_lock is held
across prepare/unprepare. Add some asserts to catch any future
locking problems.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
-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 9e9d18cadeee..659f2b036cf5 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -543,6 +543,8 @@ EXPORT_SYMBOL_GPL(__clk_mux_determine_rate_closest); static void clk_core_unprepare(struct clk_core *core) { + lockdep_assert_held(&prepare_lock); + if (!core) return; @@ -589,6 +591,8 @@ static int clk_core_prepare(struct clk_core *core) { int ret = 0; + lockdep_assert_held(&prepare_lock); + if (!core) return 0; @@ -644,6 +648,8 @@ EXPORT_SYMBOL_GPL(clk_prepare); static void clk_core_disable(struct clk_core *core) { + lockdep_assert_held(&enable_lock); + if (!core) return; @@ -692,6 +698,8 @@ static int clk_core_enable(struct clk_core *core) { int ret = 0; + lockdep_assert_held(&enable_lock); + if (!core) return 0; |