/******************************************************************************
* DEFINE
*****************************************************************************/
+
+#define DMA_ADDR_INVALID (~(dma_addr_t)0)
+
/* ctrl register bank access */
static DEFINE_SPINLOCK(udc_lock);
return num + (dir ? 16 : 0);
}
+static int ep_to_bit(int n)
+{
+ int fill = 16 - hw_ep_max / 2;
+
+ if (n >= hw_ep_max / 2)
+ n += fill;
+
+ return n;
+}
+
/**
* hw_aread: reads from register bitfield
* @addr: address relative to bus map
/**
* hw_test_and_clear_setup_status: test & clear setup status (execute without
* interruption)
- * @n: bit number (endpoint)
+ * @n: endpoint number
*
* This function returns setup status
*/
static int hw_test_and_clear_setup_status(int n)
{
+ n = ep_to_bit(n);
return hw_ctest_and_clear(CAP_ENDPTSETUPSTAT, BIT(n));
}
/**
* hw_test_and_clear_complete: test & clear complete status (execute without
* interruption)
- * @n: bit number (endpoint)
+ * @n: endpoint number
*
* This function returns complete status
*/
static int hw_test_and_clear_complete(int n)
{
+ n = ep_to_bit(n);
return hw_ctest_and_clear(CAP_ENDPTCOMPLETE, BIT(n));
}
n += scnprintf(buf + n, PAGE_SIZE - n, "speed = %d\n",
gadget->speed);
+ n += scnprintf(buf + n, PAGE_SIZE - n, "max_speed = %d\n",
+ gadget->max_speed);
+ /* TODO: Scheduled for removal in 3.8. */
n += scnprintf(buf + n, PAGE_SIZE - n, "is_dualspeed = %d\n",
- gadget->is_dualspeed);
+ gadget_is_dualspeed(gadget));
n += scnprintf(buf + n, PAGE_SIZE - n, "is_otg = %d\n",
gadget->is_otg);
n += scnprintf(buf + n, PAGE_SIZE - n, "is_a_peripheral = %d\n",
return -EALREADY;
mReq->req.status = -EALREADY;
- if (length && !mReq->req.dma) {
+ if (length && mReq->req.dma == DMA_ADDR_INVALID) {
mReq->req.dma = \
dma_map_single(mEp->device, mReq->req.buf,
length, mEp->dir ? DMA_TO_DEVICE :
dma_unmap_single(mEp->device, mReq->req.dma,
length, mEp->dir ? DMA_TO_DEVICE :
DMA_FROM_DEVICE);
- mReq->req.dma = 0;
+ mReq->req.dma = DMA_ADDR_INVALID;
mReq->map = 0;
}
return -ENOMEM;
if (mReq->map) {
dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length,
mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
- mReq->req.dma = 0;
+ mReq->req.dma = DMA_ADDR_INVALID;
mReq->map = 0;
}
* @gadget: gadget
*
* This function returns an error code
- * Caller must hold lock
*/
static int _gadget_stop_activity(struct usb_gadget *gadget)
{
mReq = kzalloc(sizeof(struct ci13xxx_req), gfp_flags);
if (mReq != NULL) {
INIT_LIST_HEAD(&mReq->queue);
+ mReq->req.dma = DMA_ADDR_INVALID;
mReq->ptr = dma_pool_alloc(mEp->td_pool, gfp_flags,
&mReq->dma);
if (mReq->map) {
dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length,
mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
- mReq->req.dma = 0;
+ mReq->req.dma = DMA_ADDR_INVALID;
mReq->map = 0;
}
req->status = -ECONNRESET;
spin_lock_irqsave(udc->lock, flags);
if (!udc->remote_wakeup) {
ret = -EOPNOTSUPP;
- dbg_trace("remote wakeup feature is not enabled\n");
+ trace("remote wakeup feature is not enabled\n");
goto out;
}
if (!hw_cread(CAP_PORTSC, PORTSC_SUSP)) {
ret = -EINVAL;
- dbg_trace("port is not suspended\n");
+ trace("port is not suspended\n");
goto out;
}
hw_cwrite(CAP_PORTSC, PORTSC_FPR, PORTSC_FPR);
if (driver == NULL ||
bind == NULL ||
driver->setup == NULL ||
- driver->disconnect == NULL ||
- driver->suspend == NULL ||
- driver->resume == NULL)
+ driver->disconnect == NULL)
return -EINVAL;
else if (udc == NULL)
return -ENODEV;
driver->unbind == NULL ||
driver->setup == NULL ||
driver->disconnect == NULL ||
- driver->suspend == NULL ||
- driver->resume == NULL ||
driver != udc->driver)
return -EINVAL;
if (udc->udc_driver->notify_event)
udc->udc_driver->notify_event(udc,
CI13XXX_CONTROLLER_STOPPED_EVENT);
+ spin_unlock_irqrestore(udc->lock, flags);
_gadget_stop_activity(&udc->gadget);
+ spin_lock_irqsave(udc->lock, flags);
pm_runtime_put(&udc->gadget.dev);
}
isr_statistics.pci++;
udc->gadget.speed = hw_port_is_high_speed() ?
USB_SPEED_HIGH : USB_SPEED_FULL;
- if (udc->suspended) {
+ if (udc->suspended && udc->driver->resume) {
spin_unlock(udc->lock);
udc->driver->resume(&udc->gadget);
spin_lock(udc->lock);
isr_tr_complete_handler(udc);
}
if (USBi_SLI & intr) {
- if (udc->gadget.speed != USB_SPEED_UNKNOWN) {
+ if (udc->gadget.speed != USB_SPEED_UNKNOWN &&
+ udc->driver->suspend) {
udc->suspended = 1;
spin_unlock(udc->lock);
udc->driver->suspend(&udc->gadget);
struct ci13xxx *udc;
int retval = 0;
- trace("%p, %p, %p", dev, regs, name);
+ trace("%p, %p, %p", dev, regs, driver->name);
if (dev == NULL || regs == NULL || driver == NULL ||
driver->name == NULL)
udc->gadget.ops = &usb_gadget_ops;
udc->gadget.speed = USB_SPEED_UNKNOWN;
- udc->gadget.is_dualspeed = 1;
+ udc->gadget.max_speed = USB_SPEED_HIGH;
udc->gadget.is_otg = 0;
udc->gadget.name = driver->name;