* framework is fixed, we need a workaround like this
                * (which is safe for MMC, but not in general).
                */
-               if (regulator_is_enabled(host->vcc) > 0) {
-                       regulator_enable(host->vcc);
-                       regulator_disable(host->vcc);
-               }
-               if (host->vcc_aux) {
-                       if (regulator_is_enabled(reg) > 0) {
-                               regulator_enable(reg);
-                               regulator_disable(reg);
-                       }
+               if (regulator_is_enabled(host->vcc) > 0 ||
+                   (host->vcc_aux && regulator_is_enabled(host->vcc_aux))) {
+                       int vdd = ffs(mmc_slot(host).ocr_mask) - 1;
+
+                       mmc_slot(host).set_power(host->dev, host->slot_id,
+                                                1, vdd);
+                       mmc_slot(host).set_power(host->dev, host->slot_id,
+                                                0, 0);
                }
        }