Hi, On Fri, May 11, 2018 at 6:46 PM, David Collins <collinsd@xxxxxxxxxxxxxx> wrote: > @@ -136,6 +136,33 @@ static void of_get_regulation_constraints(struct device_node *np, > } > } > > + len = of_property_count_elems_of_size(np, "regulator-allowed-modes", > + sizeof(u32)); > + if (len > 0) { > + if (desc && desc->of_map_mode) { > + for (i = 0; i < len; i++) { > + ret = of_property_read_u32_index(np, > + "regulator-allowed-modes", i, &pval); > + if (ret) { > + pr_err("%s: couldn't read allowed modes index %d, ret=%d\n", > + np->name, i, ret); > + break; > + } > + mode = desc->of_map_mode(pval); > + if (mode == REGULATOR_MODE_INVALID) > + pr_err("%s: invalid regulator-allowed-modes element %u\n", > + np->name, pval); > + else > + constraints->valid_modes_mask |= mode; > + } > + if (constraints->valid_modes_mask) > + constraints->valid_ops_mask > + |= REGULATOR_CHANGE_MODE; Kinda calls into question the value of REGULATOR_CHANGE_MODE in the valid_ops_mask if it's just set whenever valid_modes_mask is non-zero, huh? > + } else { > + pr_warn("%s: mode mapping not defined\n", np->name); > + } > + } > + This patch seems good to me. Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html