diff options
Diffstat (limited to 'drivers/clk/clk.c')
-rw-r--r-- | drivers/clk/clk.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index efbc802..3526bc0 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1746,6 +1746,9 @@ static void clk_change_rate(struct clk_core *core) best_parent_rate = core->parent->rate; } + if (clk_pm_runtime_get(core)) + return; + if (core->flags & CLK_SET_RATE_UNGATE) { unsigned long flags; @@ -1816,6 +1819,8 @@ static void clk_change_rate(struct clk_core *core) /* handle the new child who might not be in core->children yet */ if (core->new_child) clk_change_rate(core->new_child); + + clk_pm_runtime_put(core); } static unsigned long clk_core_req_round_rate_nolock(struct clk_core *core, @@ -3020,7 +3025,13 @@ struct clk *clk_register(struct device *dev, struct clk_hw *hw) ret = -ENOMEM; goto fail_name; } + + if (WARN_ON(!hw->init->ops)) { + ret = -EINVAL; + goto fail_ops; + } core->ops = hw->init->ops; + if (dev && pm_runtime_enabled(dev)) core->dev = dev; if (dev && dev->driver) @@ -3082,6 +3093,7 @@ fail_parent_names_copy: kfree_const(core->parent_names[i]); kfree(core->parent_names); fail_parent_names: +fail_ops: kfree_const(core->name); fail_name: kfree(core); |