mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 16:54:20 +08:00
usb: gadget: ci13xxx: convert to new style
Finally, convert to the new style framework, using udc_start/udc_stop methods. Since there is no need in the global _udc pointer, remove it. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Shishkin
Greg Kroah-Hartman
parent
790c2d52b2
commit
1f339d8440
@ -96,9 +96,6 @@ ctrl_endpt_in_desc = {
|
||||
.wMaxPacketSize = cpu_to_le16(CTRL_PAYLOAD_MAX),
|
||||
};
|
||||
|
||||
/* UDC descriptor */
|
||||
static struct ci13xxx *_udc;
|
||||
|
||||
/* Interrupt statistics */
|
||||
#define ISR_MASK 0x1F
|
||||
static struct {
|
||||
@ -1679,7 +1676,8 @@ static int _gadget_stop_activity(struct usb_gadget *gadget)
|
||||
usb_ep_fifo_flush(&udc->ep0out->ep);
|
||||
usb_ep_fifo_flush(&udc->ep0in->ep);
|
||||
|
||||
udc->driver->disconnect(gadget);
|
||||
if (udc->driver)
|
||||
udc->driver->disconnect(gadget);
|
||||
|
||||
/* make sure to disable all endpoints */
|
||||
gadget_for_each_ep(ep, gadget) {
|
||||
@ -1789,7 +1787,7 @@ __acquires(mEp->lock)
|
||||
|
||||
if ((setup->bRequestType & USB_RECIP_MASK) == USB_RECIP_DEVICE) {
|
||||
/* Assume that device is bus powered for now. */
|
||||
*(u16 *)req->buf = _udc->remote_wakeup << 1;
|
||||
*(u16 *)req->buf = udc->remote_wakeup << 1;
|
||||
retval = 0;
|
||||
} else if ((setup->bRequestType & USB_RECIP_MASK) \
|
||||
== USB_RECIP_ENDPOINT) {
|
||||
@ -1896,7 +1894,7 @@ __acquires(mEp->lock)
|
||||
spin_unlock(mEp->lock);
|
||||
if ((mEp->type == USB_ENDPOINT_XFER_CONTROL) &&
|
||||
mReq->req.length)
|
||||
mEpTemp = _udc->ep0in;
|
||||
mEpTemp = mEp->udc->ep0in;
|
||||
mReq->req.complete(&mEpTemp->ep, &mReq->req);
|
||||
spin_lock(mEp->lock);
|
||||
}
|
||||
@ -2276,6 +2274,7 @@ static int ep_queue(struct usb_ep *ep, struct usb_request *req,
|
||||
{
|
||||
struct ci13xxx_ep *mEp = container_of(ep, struct ci13xxx_ep, ep);
|
||||
struct ci13xxx_req *mReq = container_of(req, struct ci13xxx_req, req);
|
||||
struct ci13xxx *udc = mEp->udc;
|
||||
int retval = 0;
|
||||
unsigned long flags;
|
||||
|
||||
@ -2288,8 +2287,8 @@ static int ep_queue(struct usb_ep *ep, struct usb_request *req,
|
||||
|
||||
if (mEp->type == USB_ENDPOINT_XFER_CONTROL) {
|
||||
if (req->length)
|
||||
mEp = (_udc->ep0_dir == RX) ?
|
||||
_udc->ep0out : _udc->ep0in;
|
||||
mEp = (udc->ep0_dir == RX) ?
|
||||
udc->ep0out : udc->ep0in;
|
||||
if (!list_empty(&mEp->qh.queue)) {
|
||||
_ep_nuke(mEp);
|
||||
retval = -EOVERFLOW;
|
||||
@ -2555,9 +2554,10 @@ static int ci13xxx_vbus_draw(struct usb_gadget *_gadget, unsigned mA)
|
||||
return -ENOTSUPP;
|
||||
}
|
||||
|
||||
static int ci13xxx_start(struct usb_gadget_driver *driver,
|
||||
int (*bind)(struct usb_gadget *));
|
||||
static int ci13xxx_stop(struct usb_gadget_driver *driver);
|
||||
static int ci13xxx_start(struct usb_gadget *gadget,
|
||||
struct usb_gadget_driver *driver);
|
||||
static int ci13xxx_stop(struct usb_gadget *gadget,
|
||||
struct usb_gadget_driver *driver);
|
||||
/**
|
||||
* Device operations part of the API to the USB controller hardware,
|
||||
* which don't involve endpoints (or i/o)
|
||||
@ -2567,8 +2567,8 @@ static const struct usb_gadget_ops usb_gadget_ops = {
|
||||
.vbus_session = ci13xxx_vbus_session,
|
||||
.wakeup = ci13xxx_wakeup,
|
||||
.vbus_draw = ci13xxx_vbus_draw,
|
||||
.start = ci13xxx_start,
|
||||
.stop = ci13xxx_stop,
|
||||
.udc_start = ci13xxx_start,
|
||||
.udc_stop = ci13xxx_stop,
|
||||
};
|
||||
|
||||
static int init_eps(struct ci13xxx *udc)
|
||||
@ -2621,39 +2621,24 @@ static int init_eps(struct ci13xxx *udc)
|
||||
|
||||
/**
|
||||
* ci13xxx_start: register a gadget driver
|
||||
* @gadget: our gadget
|
||||
* @driver: the driver being registered
|
||||
* @bind: the driver's bind callback
|
||||
*
|
||||
* Check ci13xxx_start() at <linux/usb/gadget.h> for details.
|
||||
* Interrupts are enabled here.
|
||||
*/
|
||||
static int ci13xxx_start(struct usb_gadget_driver *driver,
|
||||
int (*bind)(struct usb_gadget *))
|
||||
static int ci13xxx_start(struct usb_gadget *gadget,
|
||||
struct usb_gadget_driver *driver)
|
||||
{
|
||||
struct ci13xxx *udc = _udc;
|
||||
struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget);
|
||||
unsigned long flags;
|
||||
int i, j;
|
||||
int retval = -ENOMEM;
|
||||
|
||||
trace(udc->dev, "%p", driver);
|
||||
|
||||
if (driver == NULL ||
|
||||
bind == NULL ||
|
||||
driver->setup == NULL ||
|
||||
driver->disconnect == NULL)
|
||||
if (driver->disconnect == NULL)
|
||||
return -EINVAL;
|
||||
else if (udc == NULL)
|
||||
return -ENODEV;
|
||||
else if (udc->driver != NULL)
|
||||
return -EBUSY;
|
||||
|
||||
spin_lock_irqsave(&udc->lock, flags);
|
||||
|
||||
dev_info(udc->dev, "hw_ep_max = %d\n", udc->hw_ep_max);
|
||||
|
||||
udc->gadget.dev.driver = NULL;
|
||||
|
||||
spin_unlock_irqrestore(&udc->lock, flags);
|
||||
udc->ep0out->ep.desc = &ctrl_endpt_out_desc;
|
||||
retval = usb_ep_enable(&udc->ep0out->ep);
|
||||
if (retval)
|
||||
@ -2665,19 +2650,6 @@ static int ci13xxx_start(struct usb_gadget_driver *driver,
|
||||
return retval;
|
||||
spin_lock_irqsave(&udc->lock, flags);
|
||||
|
||||
/* bind gadget */
|
||||
driver->driver.bus = NULL;
|
||||
udc->gadget.dev.driver = &driver->driver;
|
||||
|
||||
spin_unlock_irqrestore(&udc->lock, flags);
|
||||
retval = bind(&udc->gadget); /* MAY SLEEP */
|
||||
spin_lock_irqsave(&udc->lock, flags);
|
||||
|
||||
if (retval) {
|
||||
udc->gadget.dev.driver = NULL;
|
||||
goto done;
|
||||
}
|
||||
|
||||
udc->driver = driver;
|
||||
pm_runtime_get_sync(&udc->gadget.dev);
|
||||
if (udc->udc_driver->flags & CI13XXX_PULLUP_ON_VBUS) {
|
||||
@ -2701,23 +2673,15 @@ static int ci13xxx_start(struct usb_gadget_driver *driver,
|
||||
|
||||
/**
|
||||
* ci13xxx_stop: unregister a gadget driver
|
||||
*
|
||||
* Check usb_gadget_unregister_driver() at "usb_gadget.h" for details
|
||||
*/
|
||||
static int ci13xxx_stop(struct usb_gadget_driver *driver)
|
||||
static int ci13xxx_stop(struct usb_gadget *gadget,
|
||||
struct usb_gadget_driver *driver)
|
||||
{
|
||||
struct ci13xxx *udc = _udc;
|
||||
unsigned long i, flags;
|
||||
struct ci13xxx *udc = container_of(gadget, struct ci13xxx, gadget);
|
||||
unsigned long flags;
|
||||
|
||||
trace(udc->dev, "%p", driver);
|
||||
|
||||
if (driver == NULL ||
|
||||
driver->unbind == NULL ||
|
||||
driver->setup == NULL ||
|
||||
driver->disconnect == NULL ||
|
||||
driver != udc->driver)
|
||||
return -EINVAL;
|
||||
|
||||
spin_lock_irqsave(&udc->lock, flags);
|
||||
|
||||
if (!(udc->udc_driver->flags & CI13XXX_PULLUP_ON_VBUS) ||
|
||||
@ -2726,20 +2690,13 @@ static int ci13xxx_stop(struct usb_gadget_driver *driver)
|
||||
if (udc->udc_driver->notify_event)
|
||||
udc->udc_driver->notify_event(udc,
|
||||
CI13XXX_CONTROLLER_STOPPED_EVENT);
|
||||
udc->driver = NULL;
|
||||
spin_unlock_irqrestore(&udc->lock, flags);
|
||||
_gadget_stop_activity(&udc->gadget);
|
||||
spin_lock_irqsave(&udc->lock, flags);
|
||||
pm_runtime_put(&udc->gadget.dev);
|
||||
}
|
||||
|
||||
/* unbind gadget */
|
||||
spin_unlock_irqrestore(&udc->lock, flags);
|
||||
driver->unbind(&udc->gadget); /* MAY SLEEP */
|
||||
spin_lock_irqsave(&udc->lock, flags);
|
||||
|
||||
udc->gadget.dev.driver = NULL;
|
||||
udc->driver = NULL;
|
||||
|
||||
spin_unlock_irqrestore(&udc->lock, flags);
|
||||
|
||||
return 0;
|
||||
@ -2756,7 +2713,7 @@ static int ci13xxx_stop(struct usb_gadget_driver *driver)
|
||||
*/
|
||||
static irqreturn_t udc_irq(int irq, void *data)
|
||||
{
|
||||
struct ci13xxx *udc = _udc;
|
||||
struct ci13xxx *udc = data;
|
||||
irqreturn_t retval;
|
||||
u32 intr;
|
||||
|
||||
@ -2846,7 +2803,7 @@ static void udc_release(struct device *dev)
|
||||
* Kernel assumes 32-bit DMA operations by default, no need to dma_set_mask
|
||||
*/
|
||||
static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev,
|
||||
void __iomem *regs)
|
||||
void __iomem *regs, struct ci13xxx **_udc)
|
||||
{
|
||||
struct ci13xxx *udc;
|
||||
int retval = 0;
|
||||
@ -2872,7 +2829,6 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev,
|
||||
udc->gadget.name = driver->name;
|
||||
|
||||
INIT_LIST_HEAD(&udc->gadget.ep_list);
|
||||
udc->gadget.ep0 = NULL;
|
||||
|
||||
dev_set_name(&udc->gadget.dev, "gadget");
|
||||
udc->gadget.dev.dma_mask = dev->dma_mask;
|
||||
@ -2950,7 +2906,7 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev,
|
||||
pm_runtime_no_callbacks(&udc->gadget.dev);
|
||||
pm_runtime_enable(&udc->gadget.dev);
|
||||
|
||||
_udc = udc;
|
||||
*_udc = udc;
|
||||
return retval;
|
||||
|
||||
remove_trans:
|
||||
@ -2975,7 +2931,7 @@ free_qh_pool:
|
||||
dma_pool_destroy(udc->qh_pool);
|
||||
free_udc:
|
||||
kfree(udc);
|
||||
_udc = NULL;
|
||||
*_udc = NULL;
|
||||
return retval;
|
||||
}
|
||||
|
||||
@ -2984,9 +2940,8 @@ free_udc:
|
||||
*
|
||||
* No interrupts active, the IRQ has been released
|
||||
*/
|
||||
static void udc_remove(void)
|
||||
static void udc_remove(struct ci13xxx *udc)
|
||||
{
|
||||
struct ci13xxx *udc = _udc;
|
||||
int i;
|
||||
|
||||
if (udc == NULL)
|
||||
@ -3014,13 +2969,13 @@ static void udc_remove(void)
|
||||
|
||||
kfree(udc->hw_bank.regmap);
|
||||
kfree(udc);
|
||||
_udc = NULL;
|
||||
}
|
||||
|
||||
static int __devinit ci_udc_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device *dev = &pdev->dev;
|
||||
struct ci13xxx_udc_driver *driver = dev->platform_data;
|
||||
struct ci13xxx *udc;
|
||||
struct resource *res;
|
||||
void __iomem *base;
|
||||
int ret;
|
||||
@ -3042,30 +2997,33 @@ static int __devinit ci_udc_probe(struct platform_device *pdev)
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
ret = udc_probe(driver, dev, base);
|
||||
ret = udc_probe(driver, dev, base, &udc);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
_udc->irq = platform_get_irq(pdev, 0);
|
||||
if (_udc->irq < 0) {
|
||||
udc->irq = platform_get_irq(pdev, 0);
|
||||
if (udc->irq < 0) {
|
||||
dev_err(dev, "missing IRQ\n");
|
||||
ret = -ENODEV;
|
||||
goto out;
|
||||
}
|
||||
|
||||
ret = request_irq(_udc->irq, udc_irq, IRQF_SHARED, driver->name, _udc);
|
||||
platform_set_drvdata(pdev, udc);
|
||||
ret = request_irq(udc->irq, udc_irq, IRQF_SHARED, driver->name, udc);
|
||||
|
||||
out:
|
||||
if (ret)
|
||||
udc_remove();
|
||||
udc_remove(udc);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int __devexit ci_udc_remove(struct platform_device *pdev)
|
||||
{
|
||||
free_irq(_udc->irq, _udc);
|
||||
udc_remove();
|
||||
struct ci13xxx *udc = platform_get_drvdata(pdev);
|
||||
|
||||
free_irq(udc->irq, udc);
|
||||
udc_remove(udc);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user