[02/13] mmc: omap_hsmmc: make vcc and vcc_aux independent

Commit Message

Balaji T K April 30, 2013, 2:03 p.m. UTC

handle vcc and vcc_aux independently

Signed-off-by: Balaji T K <[e-mail]>
---
 drivers/mmc/host/omap_hsmmc.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

Patch

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index bc58078..7e122a9 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -252,7 +252,7 @@  static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
 	 * If we don't see a Vcc regulator, assume it's a fixed
 	 * voltage always-on regulator.
 	 */
-	if (!host->vcc)
+	if (!host->vcc && !host->vcc_aux)
 		return 0;
 	/*
 	 * With DT, never turn OFF the regulator. This is because
@@ -279,11 +279,12 @@  static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
 	 * chips/cards need an interface voltage rail too.
 	 */
 	if (power_on) {
-		ret = mmc_regulator_set_ocr(host->mmc, host->vcc, vdd);
+		if (host->vcc)
+			ret = mmc_regulator_set_ocr(host->mmc, host->vcc, vdd);
 		/* Enable interface voltage rail, if needed */
 		if (ret == 0 && host->vcc_aux) {
 			ret = regulator_enable(host->vcc_aux);
-			if (ret < 0)
+			if (ret < 0 && host->vcc)
 				ret = mmc_regulator_set_ocr(host->mmc,
 							host->vcc, 0);
 		}
@@ -291,7 +292,7 @@  static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
 		/* Shut down the rail */
 		if (host->vcc_aux)
 			ret = regulator_disable(host->vcc_aux);
-		if (!ret) {
+		if (host->vcc) {
 			/* Then proceed to shut down the local regulator */
 			ret = mmc_regulator_set_ocr(host->mmc,
 						host->vcc, 0);