diff options
Diffstat (limited to 'drivers/regulator/cpr3-util.c')
| -rw-r--r-- | drivers/regulator/cpr3-util.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/regulator/cpr3-util.c b/drivers/regulator/cpr3-util.c index 51179f28fcf5..e3e05b6ad352 100644 --- a/drivers/regulator/cpr3-util.c +++ b/drivers/regulator/cpr3-util.c @@ -1202,6 +1202,23 @@ int cpr3_parse_common_ctrl_data(struct cpr3_controller *ctrl) if (rc) return rc; + ctrl->vdd_regulator = devm_regulator_get(ctrl->dev, "vdd"); + if (IS_ERR(ctrl->vdd_regulator)) { + rc = PTR_ERR(ctrl->vdd_regulator); + if (rc != -EPROBE_DEFER) { + /* vdd-supply is optional for CPRh controllers. */ + if (ctrl->ctrl_type == CPR_CTRL_TYPE_CPRH) { + cpr3_debug(ctrl, "unable to request vdd regulator, rc=%d\n", + rc); + ctrl->vdd_regulator = NULL; + return 0; + } + cpr3_err(ctrl, "unable to request vdd regulator, rc=%d\n", + rc); + } + return rc; + } + /* * Regulator device handles are not necessary for CPRh controllers * since communication with the regulators is completely managed @@ -1210,15 +1227,6 @@ int cpr3_parse_common_ctrl_data(struct cpr3_controller *ctrl) if (ctrl->ctrl_type == CPR_CTRL_TYPE_CPRH) return rc; - ctrl->vdd_regulator = devm_regulator_get(ctrl->dev, "vdd"); - if (IS_ERR(ctrl->vdd_regulator)) { - rc = PTR_ERR(ctrl->vdd_regulator); - if (rc != -EPROBE_DEFER) - cpr3_err(ctrl, "unable request vdd regulator, rc=%d\n", - rc); - return rc; - } - ctrl->system_regulator = devm_regulator_get_optional(ctrl->dev, "system"); if (IS_ERR(ctrl->system_regulator)) { |