mmc: host: omap_hsmmc: use mmc_regulator_get_supply() to get regulators

In preparation for using the generic mmc binding for io regulator
("vqmmc"), use mmc_regulator_get_supply() to get vmmc and vqmmc regulators.
Only if "vqmmc" regulator isn't found, fallback to use "vmmc_aux"
regulator.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/omap_hsmmc.c

@@ -466,28 +466,20 @@ static int omap_hsmmc_disable_boot_regulators(struct omap_hsmmc_host *host)
 
 static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
 {
-	int ocr_value = 0;
 	int ret;
 	struct mmc_host *mmc = host->mmc;
 
 	if (mmc_pdata(host)->set_power)
 		return 0;
 
-	mmc->supply.vmmc = devm_regulator_get_optional(host->dev, "vmmc");
-	if (IS_ERR(mmc->supply.vmmc)) {
-		ret = PTR_ERR(mmc->supply.vmmc);
-		if ((ret != -ENODEV) && host->dev->of_node)
+	ret = mmc_regulator_get_supply(mmc);
+	if (ret == -EPROBE_DEFER)
 		return ret;
-		dev_dbg(host->dev, "unable to get vmmc regulator %ld\n",
-			PTR_ERR(mmc->supply.vmmc));
-	} else {
-		ocr_value = mmc_regulator_get_ocrmask(mmc->supply.vmmc);
-		if (ocr_value > 0)
-			mmc_pdata(host)->ocr_mask = ocr_value;
-	}
 
 	/* Allow an aux regulator */
-	mmc->supply.vqmmc = devm_regulator_get_optional(host->dev, "vmmc_aux");
+	if (IS_ERR(mmc->supply.vqmmc)) {
+		mmc->supply.vqmmc = devm_regulator_get_optional(host->dev,
+								"vmmc_aux");
 		if (IS_ERR(mmc->supply.vqmmc)) {
 			ret = PTR_ERR(mmc->supply.vqmmc);
 			if ((ret != -ENODEV) && host->dev->of_node)
@@ -495,6 +487,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
 			dev_dbg(host->dev, "unable to get vmmc_aux regulator %ld\n",
 				PTR_ERR(mmc->supply.vqmmc));
 		}
+	}
 
 	host->pbias = devm_regulator_get_optional(host->dev, "pbias");
 	if (IS_ERR(host->pbias)) {
@@ -2143,6 +2136,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
 	if (ret)
 		goto err_irq;
 
+	if (!mmc->ocr_avail)
 		mmc->ocr_avail = mmc_pdata(host)->ocr_mask;
 
 	omap_hsmmc_disable_irq(host);