usb: ohci-da8xx: drop the vbus GPIO

All users now setup a fixed regulator for the vbus supply. We can drop
the vbus GPIO code.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c
index f69b339d45e5ab6c64d094f2fb97643144ee8073..38183ac438c673871b08ecb485bcf6b20893bb18 100644 (file)
--- a/drivers/usb/host/ohci-da8xx.c
+++ b/drivers/usb/host/ohci-da8xx.c
@@ -40,7 +40,6 @@ struct da8xx_ohci_hcd {
        struct phy *usb11_phy;
        struct regulator *vbus_reg;
        struct notifier_block nb;
-       struct gpio_desc *vbus_gpio;
        struct gpio_desc *oc_gpio;
 };
 
@@ -91,11 +90,6 @@ static int ohci_da8xx_set_power(struct usb_hcd *hcd, int on)
        struct device *dev = hcd->self.controller;
        int ret;
 
-       if (da8xx_ohci->vbus_gpio) {
-               gpiod_set_value_cansleep(da8xx_ohci->vbus_gpio, on);
-               return 0;
-       }
-
        if (!da8xx_ohci->vbus_reg)
                return 0;
 
@@ -120,9 +114,6 @@ static int ohci_da8xx_get_power(struct usb_hcd *hcd)
 {
        struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
 
-       if (da8xx_ohci->vbus_gpio)
-               return gpiod_get_value_cansleep(da8xx_ohci->vbus_gpio);
-
        if (da8xx_ohci->vbus_reg)
                return regulator_is_enabled(da8xx_ohci->vbus_reg);
 
@@ -155,9 +146,6 @@ static int ohci_da8xx_has_set_power(struct usb_hcd *hcd)
 {
        struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
 
-       if (da8xx_ohci->vbus_gpio)
-               return 1;
-
        if (da8xx_ohci->vbus_reg)
                return 1;
 
@@ -208,16 +196,11 @@ static irqreturn_t ohci_da8xx_oc_thread(int irq, void *data)
        struct device *dev = da8xx_ohci->hcd->self.controller;
        int ret;
 
-       if (gpiod_get_value_cansleep(da8xx_ohci->oc_gpio)) {
-               if (da8xx_ohci->vbus_gpio) {
-                       gpiod_set_value_cansleep(da8xx_ohci->vbus_gpio, 0);
-               } else if (da8xx_ohci->vbus_reg) {
-                       ret = regulator_disable(da8xx_ohci->vbus_reg);
-                       if (ret)
-                               dev_err(dev,
-                                       "Failed to disable regulator: %d\n",
-                                       ret);
-               }
+       if (gpiod_get_value_cansleep(da8xx_ohci->oc_gpio) &&
+           da8xx_ohci->vbus_reg) {
+               ret = regulator_disable(da8xx_ohci->vbus_reg);
+               if (ret)
+                       dev_err(dev, "Failed to disable regulator: %d\n", ret);
        }
 
        return IRQ_HANDLED;
@@ -431,11 +414,6 @@ static int ohci_da8xx_probe(struct platform_device *pdev)
                }
        }
 
-       da8xx_ohci->vbus_gpio = devm_gpiod_get_optional(dev, "vbus",
-                                                       GPIOD_OUT_HIGH);
-       if (IS_ERR(da8xx_ohci->vbus_gpio))
-               goto err;
-
        da8xx_ohci->oc_gpio = devm_gpiod_get_optional(dev, "oc", GPIOD_IN);
        if (IS_ERR(da8xx_ohci->oc_gpio))
                goto err;