lkml.org 
[lkml]   [2022]   [Jul]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH V2 03/13] OPP: Reuse _opp_compare_key() in _opp_add_static_v2()
Date
Reuse _opp_compare_key() in _opp_add_static_v2() instead of just
comparing frequency while finding suspend frequency. Also add a comment
over _opp_compare_key() explaining its return values.

Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
drivers/opp/core.c | 6 ++++++
drivers/opp/of.c | 4 ++--
2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index ae5949656d77..00d5911b20f8 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1636,6 +1636,12 @@ static bool _opp_supported_by_regulators(struct dev_pm_opp *opp,
return true;
}

+/*
+ * Returns
+ * 0: opp1 == opp2
+ * 1: opp1 > opp2
+ * -1: opp1 < opp2
+ */
int _opp_compare_key(struct dev_pm_opp *opp1, struct dev_pm_opp *opp2)
{
if (opp1->rate != opp2->rate)
diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index bec9644a7260..bb49057cb1fc 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -929,8 +929,8 @@ static struct dev_pm_opp *_opp_add_static_v2(struct opp_table *opp_table,
/* OPP to select on device suspend */
if (of_property_read_bool(np, "opp-suspend")) {
if (opp_table->suspend_opp) {
- /* Pick the OPP with higher rate as suspend OPP */
- if (new_opp->rate > opp_table->suspend_opp->rate) {
+ /* Pick the OPP with higher rate/bw/level as suspend OPP */
+ if (_opp_compare_key(new_opp, opp_table->suspend_opp) == 1) {
opp_table->suspend_opp->suspend = false;
new_opp->suspend = true;
opp_table->suspend_opp = new_opp;
--
2.31.1.272.g89b43f80a514
\
 
 \ /
  Last update: 2022-07-05 09:02    [W:0.255 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site