return ret;
}
+static int omap_hsmmc_disable_boot_regulator(struct regulator *reg)
+{
+ int ret;
+
+ if (!reg)
+ return 0;
+
+ if (regulator_is_enabled(reg)) {
+ ret = regulator_enable(reg);
+ if (ret)
+ return ret;
+
+ ret = regulator_disable(reg);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int omap_hsmmc_disable_boot_regulators(struct omap_hsmmc_host *host)
+{
+ struct mmc_host *mmc = host->mmc;
+ int ret;
+
+ /*
+ * disable regulators enabled during boot and get the usecount
+ * right so that regulators can be enabled/disabled by checking
+ * the return value of regulator_is_enabled
+ */
+ ret = omap_hsmmc_disable_boot_regulator(mmc->supply.vmmc);
+ if (ret) {
+ dev_err(host->dev, "fail to disable boot enabled vmmc reg\n");
+ return ret;
+ }
+
+ ret = omap_hsmmc_disable_boot_regulator(mmc->supply.vqmmc);
+ if (ret) {
+ dev_err(host->dev,
+ "fail to disable boot enabled vmmc_aux reg\n");
+ return ret;
+ }
+
+ ret = omap_hsmmc_disable_boot_regulator(host->pbias);
+ if (ret) {
+ dev_err(host->dev,
+ "failed to disable boot enabled pbias reg\n");
+ return ret;
+ }
+
+ return 0;
+}
+
static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
{
int ocr_value = 0;
/* For eMMC do not power off when not in sleep state */
if (mmc_pdata(host)->no_regulator_off_init)
return 0;
- /*
- * To disable boot_on regulator, enable regulator
- * to increase usecount and then disable it.
- */
- if ((mmc->supply.vmmc && regulator_is_enabled(mmc->supply.vmmc) > 0) ||
- (mmc->supply.vqmmc && regulator_is_enabled(mmc->supply.vqmmc))) {
- int vdd = ffs(mmc_pdata(host)->ocr_mask) - 1;
- omap_hsmmc_set_power(host->dev, 1, vdd);
- omap_hsmmc_set_power(host->dev, 0, 0);
- }
+ ret = omap_hsmmc_disable_boot_regulators(host);
+ if (ret)
+ return ret;
return 0;
}