There is no need to re-apply the same voltage. This change is just a minor
cleanup.
Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
---
drivers/soc/tegra/regulators-tegra20.c | 8 +++++++-
drivers/soc/tegra/regulators-tegra30.c | 6 ++++++
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/soc/tegra/regulators-tegra20.c b/drivers/soc/tegra/regulators-tegra20.c
index ea0eede48802..367a71a3cd10 100644
--- a/drivers/soc/tegra/regulators-tegra20.c
+++ b/drivers/soc/tegra/regulators-tegra20.c
@@ -162,6 +162,9 @@ static int tegra20_core_rtc_update(struct tegra_regulator_coupler *tegra,
core_target_uV = max(rtc_uV - max_spread, core_target_uV);
}
+ if (core_uV == core_target_uV)
+ goto update_rtc;
+
err = regulator_set_voltage_rdev(core_rdev,
core_target_uV,
core_max_uV,
@@ -170,7 +173,7 @@ static int tegra20_core_rtc_update(struct tegra_regulator_coupler *tegra,
return err;
core_uV = core_target_uV;
-
+update_rtc:
if (rtc_uV < rtc_min_uV) {
rtc_target_uV = min(rtc_uV + max_spread, rtc_min_uV);
rtc_target_uV = min(core_uV + max_spread, rtc_target_uV);
@@ -179,6 +182,9 @@ static int tegra20_core_rtc_update(struct tegra_regulator_coupler *tegra,
rtc_target_uV = max(core_uV - max_spread, rtc_target_uV);
}
+ if (rtc_uV == rtc_target_uV)
+ continue;
+
err = regulator_set_voltage_rdev(rtc_rdev,
rtc_target_uV,
rtc_max_uV,
diff --git a/drivers/soc/tegra/regulators-tegra30.c b/drivers/soc/tegra/regulators-tegra30.c
index 8e623ff18e70..7f21f31de09d 100644
--- a/drivers/soc/tegra/regulators-tegra30.c
+++ b/drivers/soc/tegra/regulators-tegra30.c
@@ -209,6 +209,9 @@ static int tegra30_voltage_update(struct tegra_regulator_coupler *tegra,
cpu_target_uV = max(core_uV - max_spread, cpu_target_uV);
}
+ if (cpu_uV == cpu_target_uV)
+ goto update_core;
+
err = regulator_set_voltage_rdev(cpu_rdev,
cpu_target_uV,
cpu_max_uV,
@@ -231,6 +234,9 @@ static int tegra30_voltage_update(struct tegra_regulator_coupler *tegra,
core_target_uV = max(core_target_uV, core_uV - core_max_step);
}
+ if (core_uV == core_target_uV)
+ continue;
+
err = regulator_set_voltage_rdev(core_rdev,
core_target_uV,
core_max_uV,
--
2.24.0
