4.17-stable review patch. If anyone has any objections, please let me know.
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From: Anson Huang Anson.Huang@nxp.com
[ Upstream commit 0b01fd3d40fe6402e5fa3b491ef23109feb1aaa5 ]
If is_enabled() is not defined, regulator core will assume this regulator is already enabled, then it can NOT be really enabled after disabled.
Based on Li Jun's patch from the NXP kernel tree.
Signed-off-by: Anson Huang Anson.Huang@nxp.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/regulator/pfuze100-regulator.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/regulator/pfuze100-regulator.c +++ b/drivers/regulator/pfuze100-regulator.c @@ -158,6 +158,7 @@ static const struct regulator_ops pfuze1 static const struct regulator_ops pfuze100_swb_regulator_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, .list_voltage = regulator_list_voltage_table, .map_voltage = regulator_map_voltage_ascend, .set_voltage_sel = regulator_set_voltage_sel_regmap,