"ep-e", "ep-f", "ep-g", "ep-h",
};
+/* Endpoint names for usb3380 advance mode */
+static const char *const ep_name_adv[] = {
+ ep0name,
+ "ep1in", "ep2out", "ep3in", "ep4out",
+ "ep1out", "ep2in", "ep3out", "ep4in",
+};
+
/* mode 0 == ep-{a,b,c,d} 1K fifo each
* mode 1 == ep-{a,b} 2K fifo each, ep-{c,d} unavailable
* mode 2 == ep-a 2K fifo, ep-{b,c} 1K each, ep-d unavailable
u32 max, tmp;
unsigned long flags;
static const u32 ep_key[9] = { 1, 0, 1, 0, 1, 1, 0, 1, 0 };
+ int ret = 0;
ep = container_of(_ep, struct net2280_ep, ep);
if (!_ep || !desc || ep->desc || _ep->name == ep0name ||
- desc->bDescriptorType != USB_DT_ENDPOINT)
+ desc->bDescriptorType != USB_DT_ENDPOINT) {
+ pr_err("%s: failed at line=%d\n", __func__, __LINE__);
return -EINVAL;
+ }
dev = ep->dev;
- if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN)
- return -ESHUTDOWN;
+ if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN) {
+ ret = -ESHUTDOWN;
+ goto print_err;
+ }
/* erratum 0119 workaround ties up an endpoint number */
- if ((desc->bEndpointAddress & 0x0f) == EP_DONTUSE)
- return -EDOM;
+ if ((desc->bEndpointAddress & 0x0f) == EP_DONTUSE) {
+ ret = -EDOM;
+ goto print_err;
+ }
if (dev->quirks & PLX_SUPERSPEED) {
- if ((desc->bEndpointAddress & 0x0f) >= 0x0c)
- return -EDOM;
+ if ((desc->bEndpointAddress & 0x0f) >= 0x0c) {
+ ret = -EDOM;
+ goto print_err;
+ }
ep->is_in = !!usb_endpoint_dir_in(desc);
- if (dev->enhanced_mode && ep->is_in && ep_key[ep->num])
- return -EINVAL;
+ if (dev->enhanced_mode && ep->is_in && ep_key[ep->num]) {
+ ret = -EINVAL;
+ goto print_err;
+ }
}
/* sanity check ep-e/ep-f since their fifos are small */
max = usb_endpoint_maxp(desc) & 0x1fff;
- if (ep->num > 4 && max > 64 && (dev->quirks & PLX_LEGACY))
- return -ERANGE;
+ if (ep->num > 4 && max > 64 && (dev->quirks & PLX_LEGACY)) {
+ ret = -ERANGE;
+ goto print_err;
+ }
spin_lock_irqsave(&dev->lock, flags);
_ep->maxpacket = max & 0x7ff;
(dev->gadget.speed == USB_SPEED_HIGH && max != 512) ||
(dev->gadget.speed == USB_SPEED_FULL && max > 64)) {
spin_unlock_irqrestore(&dev->lock, flags);
- return -ERANGE;
+ ret = -ERANGE;
+ goto print_err;
}
}
ep->is_iso = (tmp == USB_ENDPOINT_XFER_ISOC);
/* pci writes may still be posted */
spin_unlock_irqrestore(&dev->lock, flags);
- return 0;
+ return ret;
+
+print_err:
+ dev_err(&ep->dev->pdev->dev, "%s: error=%d\n", __func__, ret);
+ return ret;
}
static int handshake(u32 __iomem *ptr, u32 mask, u32 done, int usec)
unsigned long flags;
ep = container_of(_ep, struct net2280_ep, ep);
- if (!_ep || !ep->desc || _ep->name == ep0name)
+ if (!_ep || !ep->desc || _ep->name == ep0name) {
+ pr_err("%s: Invalid ep=%p or ep->desc\n", __func__, _ep);
return -EINVAL;
-
+ }
spin_lock_irqsave(&ep->dev->lock, flags);
nuke(ep);
struct net2280_ep *ep;
struct net2280_request *req;
- if (!_ep)
+ if (!_ep) {
+ pr_err("%s: Invalid ep\n", __func__);
return NULL;
+ }
ep = container_of(_ep, struct net2280_ep, ep);
req = kzalloc(sizeof(*req), gfp_flags);
struct net2280_request *req;
ep = container_of(_ep, struct net2280_ep, ep);
- if (!_ep || !_req)
+ if (!_ep || !_req) {
+ dev_err(&ep->dev->pdev->dev, "%s: Inavlid ep=%p or req=%p\n",
+ __func__, _ep, _req);
return;
+ }
req = container_of(_req, struct net2280_request, req);
WARN_ON(!list_empty(&req->queue));
struct net2280_ep *ep;
struct net2280 *dev;
unsigned long flags;
+ int ret = 0;
/* we always require a cpu-view buffer, so that we can
* always use pio (as fallback or whatever).
*/
- req = container_of(_req, struct net2280_request, req);
- if (!_req || !_req->complete || !_req->buf ||
- !list_empty(&req->queue))
- return -EINVAL;
- if (_req->length > (~0 & DMA_BYTE_COUNT_MASK))
- return -EDOM;
ep = container_of(_ep, struct net2280_ep, ep);
- if (!_ep || (!ep->desc && ep->num != 0))
+ if (!_ep || (!ep->desc && ep->num != 0)) {
+ pr_err("%s: Invalid ep=%p or ep->desc\n", __func__, _ep);
return -EINVAL;
+ }
+ req = container_of(_req, struct net2280_request, req);
+ if (!_req || !_req->complete || !_req->buf ||
+ !list_empty(&req->queue)) {
+ ret = -EINVAL;
+ goto print_err;
+ }
+ if (_req->length > (~0 & DMA_BYTE_COUNT_MASK)) {
+ ret = -EDOM;
+ goto print_err;
+ }
dev = ep->dev;
- if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN)
- return -ESHUTDOWN;
+ if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN) {
+ ret = -ESHUTDOWN;
+ goto print_err;
+ }
/* FIXME implement PIO fallback for ZLPs with DMA */
- if (ep->dma && _req->length == 0)
- return -EOPNOTSUPP;
+ if (ep->dma && _req->length == 0) {
+ ret = -EOPNOTSUPP;
+ goto print_err;
+ }
/* set up dma mapping in case the caller didn't */
if (ep->dma) {
- int ret;
-
ret = usb_gadget_map_request(&dev->gadget, _req,
ep->is_in);
if (ret)
- return ret;
+ goto print_err;
}
ep_vdbg(dev, "%s queue req %p, len %d buf %p\n",
spin_unlock_irqrestore(&dev->lock, flags);
/* pci writes may still be posted */
- return 0;
+ return ret;
+
+print_err:
+ dev_err(&ep->dev->pdev->dev, "%s: error=%d\n", __func__, ret);
+ return ret;
}
static inline void
int stopped;
ep = container_of(_ep, struct net2280_ep, ep);
- if (!_ep || (!ep->desc && ep->num != 0) || !_req)
+ if (!_ep || (!ep->desc && ep->num != 0) || !_req) {
+ pr_err("%s: Invalid ep=%p or ep->desc or req=%p\n",
+ __func__, _ep, _req);
return -EINVAL;
+ }
spin_lock_irqsave(&ep->dev->lock, flags);
stopped = ep->stopped;
}
if (&req->req != _req) {
spin_unlock_irqrestore(&ep->dev->lock, flags);
+ dev_err(&ep->dev->pdev->dev, "%s: Request mismatch\n",
+ __func__);
return -EINVAL;
}
int retval = 0;
ep = container_of(_ep, struct net2280_ep, ep);
- if (!_ep || (!ep->desc && ep->num != 0))
+ if (!_ep || (!ep->desc && ep->num != 0)) {
+ pr_err("%s: Invalid ep=%p or ep->desc\n", __func__, _ep);
return -EINVAL;
- if (!ep->dev->driver || ep->dev->gadget.speed == USB_SPEED_UNKNOWN)
- return -ESHUTDOWN;
+ }
+ if (!ep->dev->driver || ep->dev->gadget.speed == USB_SPEED_UNKNOWN) {
+ retval = -ESHUTDOWN;
+ goto print_err;
+ }
if (ep->desc /* not ep0 */ && (ep->desc->bmAttributes & 0x03)
- == USB_ENDPOINT_XFER_ISOC)
- return -EINVAL;
+ == USB_ENDPOINT_XFER_ISOC) {
+ retval = -EINVAL;
+ goto print_err;
+ }
spin_lock_irqsave(&ep->dev->lock, flags);
- if (!list_empty(&ep->queue))
+ if (!list_empty(&ep->queue)) {
retval = -EAGAIN;
- else if (ep->is_in && value && net2280_fifo_status(_ep) != 0)
+ goto print_unlock;
+ } else if (ep->is_in && value && net2280_fifo_status(_ep) != 0) {
retval = -EAGAIN;
- else {
+ goto print_unlock;
+ } else {
ep_vdbg(ep->dev, "%s %s %s\n", _ep->name,
value ? "set" : "clear",
wedged ? "wedge" : "halt");
spin_unlock_irqrestore(&ep->dev->lock, flags);
return retval;
+
+print_unlock:
+ spin_unlock_irqrestore(&ep->dev->lock, flags);
+print_err:
+ dev_err(&ep->dev->pdev->dev, "%s: error=%d\n", __func__, retval);
+ return retval;
}
static int net2280_set_halt(struct usb_ep *_ep, int value)
static int net2280_set_wedge(struct usb_ep *_ep)
{
- if (!_ep || _ep->name == ep0name)
+ if (!_ep || _ep->name == ep0name) {
+ pr_err("%s: Invalid ep=%p or ep0\n", __func__, _ep);
return -EINVAL;
+ }
return net2280_set_halt_and_wedge(_ep, 1, 1);
}
u32 avail;
ep = container_of(_ep, struct net2280_ep, ep);
- if (!_ep || (!ep->desc && ep->num != 0))
+ if (!_ep || (!ep->desc && ep->num != 0)) {
+ pr_err("%s: Invalid ep=%p or ep->desc\n", __func__, _ep);
return -ENODEV;
- if (!ep->dev->driver || ep->dev->gadget.speed == USB_SPEED_UNKNOWN)
+ }
+ if (!ep->dev->driver || ep->dev->gadget.speed == USB_SPEED_UNKNOWN) {
+ dev_err(&ep->dev->pdev->dev,
+ "%s: Invalid driver=%p or speed=%d\n",
+ __func__, ep->dev->driver, ep->dev->gadget.speed);
return -ESHUTDOWN;
+ }
avail = readl(&ep->regs->ep_avail) & (BIT(12) - 1);
- if (avail > ep->fifo_size)
+ if (avail > ep->fifo_size) {
+ dev_err(&ep->dev->pdev->dev, "%s: Fifo overflow\n", __func__);
return -EOVERFLOW;
+ }
if (ep->is_in)
avail = ep->fifo_size - avail;
return avail;
struct net2280_ep *ep;
ep = container_of(_ep, struct net2280_ep, ep);
- if (!_ep || (!ep->desc && ep->num != 0))
+ if (!_ep || (!ep->desc && ep->num != 0)) {
+ pr_err("%s: Invalid ep=%p or ep->desc\n", __func__, _ep);
return;
- if (!ep->dev->driver || ep->dev->gadget.speed == USB_SPEED_UNKNOWN)
+ }
+ if (!ep->dev->driver || ep->dev->gadget.speed == USB_SPEED_UNKNOWN) {
+ dev_err(&ep->dev->pdev->dev,
+ "%s: Invalid driver=%p or speed=%d\n",
+ __func__, ep->dev->driver, ep->dev->gadget.speed);
return;
+ }
writel(BIT(FIFO_FLUSH), &ep->regs->ep_stat);
(void) readl(&ep->regs->ep_rsp);
for (i = 0; i < dev->n_ep; i++) {
struct net2280_ep *ep = &dev->ep[i];
- ep->ep.name = ep_name[i];
+ ep->ep.name = dev->enhanced_mode ? ep_name_adv[i] : ep_name[i];
ep->dev = dev;
ep->num = i;
ep->regs = (struct net2280_ep_regs __iomem *)
(((void __iomem *)&dev->epregs[ne[i]]) +
ep_reg_addr[i]);
- ep->fiforegs = &dev->fiforegs[i];
} else {
ep->cfg = &dev->epregs[i];
ep->regs = &dev->epregs[i];
- ep->fiforegs = &dev->fiforegs[i];
}
ep->fifo_size = (i != 0) ? 2048 : 512;
dev->ep[i].irqs = 0;
/* hook up the driver ... */
- dev->softconnect = 1;
driver->driver.bus = NULL;
dev->driver = driver;
BIT(PCI_RETRY_ABORT_INTERRUPT))
static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
+__releases(dev->lock)
+__acquires(dev->lock)
{
struct net2280_ep *ep;
u32 tmp, num, mask, scratch;
u32 usbstat;
dev->usb_ext = (struct usb338x_usb_ext_regs __iomem *)
(base + 0x00b4);
- dev->fiforegs = (struct usb338x_fifo_regs __iomem *)
- (base + 0x0500);
dev->llregs = (struct usb338x_ll_regs __iomem *)
(base + 0x0700);
dev->ll_lfps_regs = (struct usb338x_ll_lfps_regs __iomem *)
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