[PATCH 1/2] opp: Reorder the code for !target_freq case

[Viresh Kumar]

Reorder the code a bit to make it more readable. Add additional comment
as well.

Signed-off-by: Viresh Kumar <viresh.ku...@linaro.org>
---
 drivers/opp/core.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index e4f01e7771a2..dda8164fad56 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -817,15 +817,20 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long 
target_freq)
        }
 
        if (unlikely(!target_freq)) {
-               if (opp_table->required_opp_tables) {
-                       ret = _set_required_opps(dev, opp_table, NULL);
-               } else if (!_get_opp_count(opp_table)) {
+               /*
+                * Some drivers need to support cases where some platforms may
+                * have OPP table for the device, while others don't and
+                * opp_set_rate() just needs to behave like clk_set_rate().
+                */
+               if (!_get_opp_count(opp_table))
                        return 0;
-               } else {
+
+               if (!opp_table->required_opp_tables) {
                        dev_err(dev, "target frequency can't be 0\n");
                        ret = -EINVAL;
                }
 
+               ret = _set_required_opps(dev, opp_table, NULL);
                goto put_opp_table;
        }
 
-- 
2.25.0.rc1.19.g042ed3e048af