[PATCH v2 08/48] regulator: Make regulator_sync_voltage() usable by coupled regulators
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2020-12-17 18:09:18
Also in:
dri-devel, linux-clk, linux-media, linux-tegra, lkml
Subsystem:
the rest, voltage and current regulator framework · Maintainers:
Linus Torvalds, Liam Girdwood, Mark Brown
Make regulator_sync_voltage() to re-balance voltage state of a coupled regulators instead of changing the voltage directly. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/regulator/core.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index ca03d8e70bd1..576efb815eb8 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c@@ -4131,6 +4131,12 @@ int regulator_sync_voltage(struct regulator *regulator) if (ret < 0) goto out; + /* balance only if there are regulators coupled */ + if (rdev->coupling_desc.n_coupled > 1) { + ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); + goto out; + } + ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); out:
--
2.29.2