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path: root/drivers/usb/otg/gpio_vbus.c
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Diffstat (limited to 'drivers/usb/otg/gpio_vbus.c')
-rw-r--r--drivers/usb/otg/gpio_vbus.c61
1 files changed, 36 insertions, 25 deletions
diff --git a/drivers/usb/otg/gpio_vbus.c b/drivers/usb/otg/gpio_vbus.c
index fb644c107de..3ece43a2e4c 100644
--- a/drivers/usb/otg/gpio_vbus.c
+++ b/drivers/usb/otg/gpio_vbus.c
@@ -32,7 +32,7 @@
* Needs to be loaded before the UDC driver that will use it.
*/
struct gpio_vbus_data {
- struct otg_transceiver otg;
+ struct usb_phy phy;
struct device *dev;
struct regulator *vbus_draw;
int vbus_draw_enabled;
@@ -98,7 +98,7 @@ static void gpio_vbus_work(struct work_struct *work)
struct gpio_vbus_mach_info *pdata = gpio_vbus->dev->platform_data;
int gpio;
- if (!gpio_vbus->otg.gadget)
+ if (!gpio_vbus->phy.otg->gadget)
return;
/* Peripheral controllers which manage the pullup themselves won't have
@@ -108,8 +108,8 @@ static void gpio_vbus_work(struct work_struct *work)
*/
gpio = pdata->gpio_pullup;
if (is_vbus_powered(pdata)) {
- gpio_vbus->otg.state = OTG_STATE_B_PERIPHERAL;
- usb_gadget_vbus_connect(gpio_vbus->otg.gadget);
+ gpio_vbus->phy.state = OTG_STATE_B_PERIPHERAL;
+ usb_gadget_vbus_connect(gpio_vbus->phy.otg->gadget);
/* drawing a "unit load" is *always* OK, except for OTG */
set_vbus_draw(gpio_vbus, 100);
@@ -124,8 +124,8 @@ static void gpio_vbus_work(struct work_struct *work)
set_vbus_draw(gpio_vbus, 0);
- usb_gadget_vbus_disconnect(gpio_vbus->otg.gadget);
- gpio_vbus->otg.state = OTG_STATE_B_IDLE;
+ usb_gadget_vbus_disconnect(gpio_vbus->phy.otg->gadget);
+ gpio_vbus->phy.state = OTG_STATE_B_IDLE;
}
}
@@ -135,12 +135,13 @@ static irqreturn_t gpio_vbus_irq(int irq, void *data)
struct platform_device *pdev = data;
struct gpio_vbus_mach_info *pdata = pdev->dev.platform_data;
struct gpio_vbus_data *gpio_vbus = platform_get_drvdata(pdev);
+ struct usb_otg *otg = gpio_vbus->phy.otg;
dev_dbg(&pdev->dev, "VBUS %s (gadget: %s)\n",
is_vbus_powered(pdata) ? "supplied" : "inactive",
- gpio_vbus->otg.gadget ? gpio_vbus->otg.gadget->name : "none");
+ otg->gadget ? otg->gadget->name : "none");
- if (gpio_vbus->otg.gadget)
+ if (otg->gadget)
schedule_work(&gpio_vbus->work);
return IRQ_HANDLED;
@@ -149,15 +150,15 @@ static irqreturn_t gpio_vbus_irq(int irq, void *data)
/* OTG transceiver interface */
/* bind/unbind the peripheral controller */
-static int gpio_vbus_set_peripheral(struct otg_transceiver *otg,
- struct usb_gadget *gadget)
+static int gpio_vbus_set_peripheral(struct usb_otg *otg,
+ struct usb_gadget *gadget)
{
struct gpio_vbus_data *gpio_vbus;
struct gpio_vbus_mach_info *pdata;
struct platform_device *pdev;
int gpio, irq;
- gpio_vbus = container_of(otg, struct gpio_vbus_data, otg);
+ gpio_vbus = container_of(otg->phy, struct gpio_vbus_data, phy);
pdev = to_platform_device(gpio_vbus->dev);
pdata = gpio_vbus->dev->platform_data;
irq = gpio_to_irq(pdata->gpio_vbus);
@@ -174,7 +175,7 @@ static int gpio_vbus_set_peripheral(struct otg_transceiver *otg,
set_vbus_draw(gpio_vbus, 0);
usb_gadget_vbus_disconnect(otg->gadget);
- otg->state = OTG_STATE_UNDEFINED;
+ otg->phy->state = OTG_STATE_UNDEFINED;
otg->gadget = NULL;
return 0;
@@ -189,23 +190,23 @@ static int gpio_vbus_set_peripheral(struct otg_transceiver *otg,
}
/* effective for B devices, ignored for A-peripheral */
-static int gpio_vbus_set_power(struct otg_transceiver *otg, unsigned mA)
+static int gpio_vbus_set_power(struct usb_phy *phy, unsigned mA)
{
struct gpio_vbus_data *gpio_vbus;
- gpio_vbus = container_of(otg, struct gpio_vbus_data, otg);
+ gpio_vbus = container_of(phy, struct gpio_vbus_data, phy);
- if (otg->state == OTG_STATE_B_PERIPHERAL)
+ if (phy->state == OTG_STATE_B_PERIPHERAL)
set_vbus_draw(gpio_vbus, mA);
return 0;
}
/* for non-OTG B devices: set/clear transceiver suspend mode */
-static int gpio_vbus_set_suspend(struct otg_transceiver *otg, int suspend)
+static int gpio_vbus_set_suspend(struct usb_phy *phy, int suspend)
{
struct gpio_vbus_data *gpio_vbus;
- gpio_vbus = container_of(otg, struct gpio_vbus_data, otg);
+ gpio_vbus = container_of(phy, struct gpio_vbus_data, phy);
/* draw max 0 mA from vbus in suspend mode; or the previously
* recorded amount of current if not suspended
@@ -213,7 +214,7 @@ static int gpio_vbus_set_suspend(struct otg_transceiver *otg, int suspend)
* NOTE: high powered configs (mA > 100) may draw up to 2.5 mA
* if they're wake-enabled ... we don't handle that yet.
*/
- return gpio_vbus_set_power(otg, suspend ? 0 : gpio_vbus->mA);
+ return gpio_vbus_set_power(phy, suspend ? 0 : gpio_vbus->mA);
}
/* platform driver interface */
@@ -233,13 +234,21 @@ static int __init gpio_vbus_probe(struct platform_device *pdev)
if (!gpio_vbus)
return -ENOMEM;
+ gpio_vbus->phy.otg = kzalloc(sizeof(struct usb_otg), GFP_KERNEL);
+ if (!gpio_vbus->phy.otg) {
+ kfree(gpio_vbus);
+ return -ENOMEM;
+ }
+
platform_set_drvdata(pdev, gpio_vbus);
gpio_vbus->dev = &pdev->dev;
- gpio_vbus->otg.label = "gpio-vbus";
- gpio_vbus->otg.state = OTG_STATE_UNDEFINED;
- gpio_vbus->otg.set_peripheral = gpio_vbus_set_peripheral;
- gpio_vbus->otg.set_power = gpio_vbus_set_power;
- gpio_vbus->otg.set_suspend = gpio_vbus_set_suspend;
+ gpio_vbus->phy.label = "gpio-vbus";
+ gpio_vbus->phy.set_power = gpio_vbus_set_power;
+ gpio_vbus->phy.set_suspend = gpio_vbus_set_suspend;
+ gpio_vbus->phy.state = OTG_STATE_UNDEFINED;
+
+ gpio_vbus->phy.otg->phy = &gpio_vbus->phy;
+ gpio_vbus->phy.otg->set_peripheral = gpio_vbus_set_peripheral;
err = gpio_request(gpio, "vbus_detect");
if (err) {
@@ -288,7 +297,7 @@ static int __init gpio_vbus_probe(struct platform_device *pdev)
}
/* only active when a gadget is registered */
- err = otg_set_transceiver(&gpio_vbus->otg);
+ err = usb_set_transceiver(&gpio_vbus->phy);
if (err) {
dev_err(&pdev->dev, "can't register transceiver, err: %d\n",
err);
@@ -304,6 +313,7 @@ err_irq:
gpio_free(pdata->gpio_vbus);
err_gpio:
platform_set_drvdata(pdev, NULL);
+ kfree(gpio_vbus->phy.otg);
kfree(gpio_vbus);
return err;
}
@@ -316,13 +326,14 @@ static int __exit gpio_vbus_remove(struct platform_device *pdev)
regulator_put(gpio_vbus->vbus_draw);
- otg_set_transceiver(NULL);
+ usb_set_transceiver(NULL);
free_irq(gpio_to_irq(gpio), &pdev->dev);
if (gpio_is_valid(pdata->gpio_pullup))
gpio_free(pdata->gpio_pullup);
gpio_free(gpio);
platform_set_drvdata(pdev, NULL);
+ kfree(gpio_vbus->phy.otg);
kfree(gpio_vbus);
return 0;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-17 03:54:03 +0000