diff options
Diffstat (limited to 'drivers/clk/clk.c')
| -rw-r--r-- | drivers/clk/clk.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index d95d6f924cac..437eebf89fcf 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1841,6 +1841,10 @@ int clk_set_phase(struct clk *clk, int degrees) clk_prepare_lock(); + /* bail early if nothing to do */ + if (degrees == clk->core->phase) + goto out; + trace_clk_set_phase(clk->core, degrees); if (clk->core->ops->set_phase) @@ -1851,6 +1855,7 @@ int clk_set_phase(struct clk *clk, int degrees) if (!ret) clk->core->phase = degrees; +out: clk_prepare_unlock(); return ret; |