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path: root/drivers/usb/gadget/at91_udc.c
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Diffstat (limited to 'drivers/usb/gadget/at91_udc.c')
-rw-r--r--drivers/usb/gadget/at91_udc.c85
1 files changed, 26 insertions, 59 deletions
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 0c935d7c65bd..1a4430f315c3 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -212,7 +212,7 @@ static int proc_udc_show(struct seq_file *s, void *unused)
if (udc->enabled && udc->vbus) {
proc_ep_show(s, &udc->ep[0]);
list_for_each_entry (ep, &udc->gadget.ep_list, ep.ep_list) {
- if (ep->desc)
+ if (ep->ep.desc)
proc_ep_show(s, ep);
}
}
@@ -475,7 +475,7 @@ static int at91_ep_enable(struct usb_ep *_ep,
unsigned long flags;
if (!_ep || !ep
- || !desc || ep->desc
+ || !desc || ep->ep.desc
|| _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| (maxpacket = usb_endpoint_maxp(desc)) == 0
@@ -530,7 +530,7 @@ ok:
tmp |= AT91_UDP_EPEDS;
__raw_writel(tmp, ep->creg);
- ep->desc = desc;
+ ep->ep.desc = desc;
ep->ep.maxpacket = maxpacket;
/*
@@ -558,7 +558,6 @@ static int at91_ep_disable (struct usb_ep * _ep)
nuke(ep, -ESHUTDOWN);
/* restore the endpoint's pristine config */
- ep->desc = NULL;
ep->ep.desc = NULL;
ep->ep.maxpacket = ep->maxpacket;
@@ -618,7 +617,7 @@ static int at91_ep_queue(struct usb_ep *_ep,
return -EINVAL;
}
- if (!_ep || (!ep->desc && ep->ep.name != ep0name)) {
+ if (!_ep || (!ep->ep.desc && ep->ep.name != ep0name)) {
DBG("invalid ep\n");
return -EINVAL;
}
@@ -833,7 +832,7 @@ static void udc_reinit(struct at91_udc *udc)
if (i != 0)
list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
- ep->desc = NULL;
+ ep->ep.desc = NULL;
ep->stopped = 0;
ep->fifo_bank = 0;
ep->ep.maxpacket = ep->maxpacket;
@@ -978,18 +977,18 @@ static int at91_set_selfpowered(struct usb_gadget *gadget, int is_on)
return 0;
}
-static int at91_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *));
-static int at91_stop(struct usb_gadget_driver *driver);
-
+static int at91_start(struct usb_gadget *gadget,
+ struct usb_gadget_driver *driver);
+static int at91_stop(struct usb_gadget *gadget,
+ struct usb_gadget_driver *driver);
static const struct usb_gadget_ops at91_udc_ops = {
.get_frame = at91_get_frame,
.wakeup = at91_wakeup,
.set_selfpowered = at91_set_selfpowered,
.vbus_session = at91_vbus_session,
.pullup = at91_pullup,
- .start = at91_start,
- .stop = at91_stop,
+ .udc_start = at91_start,
+ .udc_stop = at91_stop,
/*
* VBUS-powered devices may also also want to support bigger
@@ -1172,7 +1171,7 @@ static void handle_setup(struct at91_udc *udc, struct at91_ep *ep, u32 csr)
| USB_REQ_GET_STATUS:
tmp = w_index & USB_ENDPOINT_NUMBER_MASK;
ep = &udc->ep[tmp];
- if (tmp >= NUM_ENDPOINTS || (tmp && !ep->desc))
+ if (tmp >= NUM_ENDPOINTS || (tmp && !ep->ep.desc))
goto stall;
if (tmp) {
@@ -1197,7 +1196,7 @@ static void handle_setup(struct at91_udc *udc, struct at91_ep *ep, u32 csr)
ep = &udc->ep[tmp];
if (w_value != USB_ENDPOINT_HALT || tmp >= NUM_ENDPOINTS)
goto stall;
- if (!ep->desc || ep->is_iso)
+ if (!ep->ep.desc || ep->is_iso)
goto stall;
if ((w_index & USB_DIR_IN)) {
if (!ep->is_in)
@@ -1218,7 +1217,7 @@ static void handle_setup(struct at91_udc *udc, struct at91_ep *ep, u32 csr)
goto stall;
if (tmp == 0)
goto succeed;
- if (!ep->desc || ep->is_iso)
+ if (!ep->ep.desc || ep->is_iso)
goto stall;
if ((w_index & USB_DIR_IN)) {
if (!ep->is_in)
@@ -1627,66 +1626,34 @@ static void at91_vbus_timer(unsigned long data)
schedule_work(&udc->vbus_timer_work);
}
-static int at91_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *))
+static int at91_start(struct usb_gadget *gadget,
+ struct usb_gadget_driver *driver)
{
- struct at91_udc *udc = &controller;
- int retval;
- unsigned long flags;
-
- if (!driver
- || driver->max_speed < USB_SPEED_FULL
- || !bind
- || !driver->setup) {
- DBG("bad parameter.\n");
- return -EINVAL;
- }
-
- if (udc->driver) {
- DBG("UDC already has a gadget driver\n");
- return -EBUSY;
- }
+ struct at91_udc *udc;
+ udc = container_of(gadget, struct at91_udc, gadget);
udc->driver = driver;
udc->gadget.dev.driver = &driver->driver;
dev_set_drvdata(&udc->gadget.dev, &driver->driver);
udc->enabled = 1;
udc->selfpowered = 1;
- retval = bind(&udc->gadget);
- if (retval) {
- DBG("bind() returned %d\n", retval);
- udc->driver = NULL;
- udc->gadget.dev.driver = NULL;
- dev_set_drvdata(&udc->gadget.dev, NULL);
- udc->enabled = 0;
- udc->selfpowered = 0;
- return retval;
- }
-
- spin_lock_irqsave(&udc->lock, flags);
- pullup(udc, 1);
- spin_unlock_irqrestore(&udc->lock, flags);
-
DBG("bound to %s\n", driver->driver.name);
return 0;
}
-static int at91_stop(struct usb_gadget_driver *driver)
+static int at91_stop(struct usb_gadget *gadget,
+ struct usb_gadget_driver *driver)
{
- struct at91_udc *udc = &controller;
+ struct at91_udc *udc;
unsigned long flags;
- if (!driver || driver != udc->driver || !driver->unbind)
- return -EINVAL;
-
+ udc = container_of(gadget, struct at91_udc, gadget);
spin_lock_irqsave(&udc->lock, flags);
udc->enabled = 0;
at91_udp_write(udc, AT91_UDP_IDR, ~0);
- pullup(udc, 0);
spin_unlock_irqrestore(&udc->lock, flags);
- driver->unbind(&udc->gadget);
udc->gadget.dev.driver = NULL;
dev_set_drvdata(&udc->gadget.dev, NULL);
udc->driver = NULL;
@@ -1863,8 +1830,8 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
mod_timer(&udc->vbus_timer,
jiffies + VBUS_POLL_TIMEOUT);
} else {
- if (request_irq(udc->board.vbus_pin, at91_vbus_irq,
- 0, driver_name, udc)) {
+ if (request_irq(gpio_to_irq(udc->board.vbus_pin),
+ at91_vbus_irq, 0, driver_name, udc)) {
DBG("request vbus irq %d failed\n",
udc->board.vbus_pin);
retval = -EBUSY;
@@ -1886,7 +1853,7 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
return 0;
fail4:
if (gpio_is_valid(udc->board.vbus_pin) && !udc->board.vbus_polled)
- free_irq(udc->board.vbus_pin, udc);
+ free_irq(gpio_to_irq(udc->board.vbus_pin), udc);
fail3:
if (gpio_is_valid(udc->board.vbus_pin))
gpio_free(udc->board.vbus_pin);
@@ -1924,7 +1891,7 @@ static int __exit at91udc_remove(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 0);
remove_debug_file(udc);
if (gpio_is_valid(udc->board.vbus_pin)) {
- free_irq(udc->board.vbus_pin, udc);
+ free_irq(gpio_to_irq(udc->board.vbus_pin), udc);
gpio_free(udc->board.vbus_pin);
}
free_irq(udc->udp_irq, udc);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.