mmc: omap_hsmmc: Convert critical failure reports to dev_err

Fatal errors for the driver are not reported when just error debug
is enabled. Convert selected dev_dbg to dev_err for accurate error
reporting.
Reported-by: NBenoit Cousson <b-cousson@ti.com>
Signed-off-by: NVenkatraman S <svenkatr@ti.com>
Signed-off-by: NChris Ball <cjb@laptop.org>

drivers/mmc/host/omap_hsmmc.c

@@ -305,7 +305,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
 
 	reg = regulator_get(host->dev, "vmmc");
 	if (IS_ERR(reg)) {
-		dev_dbg(host->dev, "vmmc regulator missing\n");
+		dev_err(host->dev, "vmmc regulator missing\n");
 		return PTR_ERR(reg);
 	} else {
 		mmc_slot(host).set_power = omap_hsmmc_set_power;
@@ -1133,7 +1133,7 @@ static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd)
 
 	return 0;
 err:
-	dev_dbg(mmc_dev(host->mmc), "Unable to switch operating voltage\n");
+	dev_err(mmc_dev(host->mmc), "Unable to switch operating voltage\n");
 	return ret;
 }
 
@@ -1392,7 +1392,7 @@ omap_hsmmc_prepare_data(struct omap_hsmmc_host *host, struct mmc_request *req)
 	if (host->use_dma) {
 		ret = omap_hsmmc_start_dma_transfer(host, req);
 		if (ret != 0) {
-			dev_dbg(mmc_dev(host->mmc), "MMC start dma failure\n");
+			dev_err(mmc_dev(host->mmc), "MMC start dma failure\n");
 			return ret;
 		}
 	}
@@ -1927,13 +1927,13 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev)
 	ret = request_irq(host->irq, omap_hsmmc_irq, 0,
 			mmc_hostname(mmc), host);
 	if (ret) {
-		dev_dbg(mmc_dev(host->mmc), "Unable to grab HSMMC IRQ\n");
+		dev_err(mmc_dev(host->mmc), "Unable to grab HSMMC IRQ\n");
 		goto err_irq;
 	}
 
 	if (pdata->init != NULL) {
 		if (pdata->init(&pdev->dev) != 0) {
-			dev_dbg(mmc_dev(host->mmc),
+			dev_err(mmc_dev(host->mmc),
 				"Unable to configure MMC IRQs\n");
 			goto err_irq_cd_init;
 		}
@@ -1956,7 +1956,7 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev)
 					   IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
 					   mmc_hostname(mmc), host);
 		if (ret) {
-			dev_dbg(mmc_dev(host->mmc),
+			dev_err(mmc_dev(host->mmc),
 				"Unable to grab MMC CD IRQ\n");
 			goto err_irq_cd;
 		}