[PATCH] gpio-vbus: ask for vbus_draw regulator before registering xceiv

[Dmitry Eremin-Solenikov]

Ask for vbus_draw regulator before registering tranceiver to disallow possible
race between registration and set_power/etc.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov at gmail.com>
---
 drivers/usb/otg/gpio_vbus.c |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/usb/otg/gpio_vbus.c b/drivers/usb/otg/gpio_vbus.c
index 221c444..52733d9 100644
--- a/drivers/usb/otg/gpio_vbus.c
+++ b/drivers/usb/otg/gpio_vbus.c
@@ -279,6 +279,13 @@ static int __init gpio_vbus_probe(struct platform_device *pdev)
 	}
 	INIT_WORK(&gpio_vbus->work, gpio_vbus_work);
 
+	gpio_vbus->vbus_draw = regulator_get(&pdev->dev, "vbus_draw");
+	if (IS_ERR(gpio_vbus->vbus_draw)) {
+		dev_dbg(&pdev->dev, "can't get vbus_draw regulator, err: %ld\n",
+			PTR_ERR(gpio_vbus->vbus_draw));
+		gpio_vbus->vbus_draw = NULL;
+	}
+
 	/* only active when a gadget is registered */
 	err = otg_set_transceiver(&gpio_vbus->otg);
 	if (err) {
@@ -287,13 +294,6 @@ static int __init gpio_vbus_probe(struct platform_device *pdev)
 		goto err_otg;
 	}
 
-	gpio_vbus->vbus_draw = regulator_get(&pdev->dev, "vbus_draw");
-	if (IS_ERR(gpio_vbus->vbus_draw)) {
-		dev_dbg(&pdev->dev, "can't get vbus_draw regulator, err: %ld\n",
-			PTR_ERR(gpio_vbus->vbus_draw));
-		gpio_vbus->vbus_draw = NULL;
-	}
-
 	return 0;
 err_otg:
 	free_irq(irq, &pdev->dev);
-- 
1.7.4.4