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

From: Viresh Kumar
Date: Fri May 15 2020 - 03:57:35 EST


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

Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
---
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