[PATCH v12 02/13] usb: chipidea: imx: remove vbus regulator operation

[Peter Chen]

Since we have added vbus reguatlor operation at common
host file (chipidea/host.c), the glue layer vbus operation
isn't needed any more.

Signed-off-by: Peter Chen <peter.chen at freescale.com>
---
 drivers/usb/chipidea/ci_hdrc_imx.c |   30 +++++++-----------------------
 1 files changed, 7 insertions(+), 23 deletions(-)

diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index 14362c0..d06355e 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -31,7 +31,6 @@ struct ci_hdrc_imx_data {
 	struct usb_phy *phy;
 	struct platform_device *ci_pdev;
 	struct clk *clk;
-	struct regulator *reg_vbus;
 };
 
 static const struct usbmisc_ops *usbmisc_ops;
@@ -141,22 +140,13 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
 		goto err_clk;
 	}
 
-	/* we only support host now, so enable vbus here */
-	data->reg_vbus = devm_regulator_get(&pdev->dev, "vbus");
-	if (!IS_ERR(data->reg_vbus)) {
-		ret = regulator_enable(data->reg_vbus);
-		if (ret) {
-			dev_err(&pdev->dev,
-				"Failed to enable vbus regulator, err=%d\n",
-				ret);
-			goto err_clk;
-		}
-	} else {
-		data->reg_vbus = NULL;
-	}
-
 	pdata.phy = data->phy;
 
+	/* Get the vbus regulator */
+	pdata.reg_vbus = devm_regulator_get(&pdev->dev, "vbus");
+	if (IS_ERR(pdata.reg_vbus))
+		pdata.reg_vbus = NULL;
+
 	if (!pdev->dev.dma_mask)
 		pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
 	if (!pdev->dev.coherent_dma_mask)
@@ -167,7 +157,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
 		if (ret) {
 			dev_err(&pdev->dev,
 				"usbmisc init failed, ret=%d\n", ret);
-			goto err;
+			goto err_clk;
 		}
 	}
 
@@ -179,7 +169,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev,
 			"Can't register ci_hdrc platform device, err=%d\n",
 			ret);
-		goto err;
+		goto err_clk;
 	}
 
 	if (usbmisc_ops && usbmisc_ops->post) {
@@ -200,9 +190,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
 
 disable_device:
 	ci_hdrc_remove_device(data->ci_pdev);
-err:
-	if (data->reg_vbus)
-		regulator_disable(data->reg_vbus);
 err_clk:
 	clk_disable_unprepare(data->clk);
 	return ret;
@@ -215,9 +202,6 @@ static int ci_hdrc_imx_remove(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 	ci_hdrc_remove_device(data->ci_pdev);
 
-	if (data->reg_vbus)
-		regulator_disable(data->reg_vbus);
-
 	if (data->phy) {
 		usb_phy_shutdown(data->phy);
 		module_put(data->phy->dev->driver->owner);
-- 
1.7.0.4