diff options
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
-rw-r--r-- | drivers/usb/dwc3/gadget.c | 57 |
1 files changed, 35 insertions, 22 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 333a7c0078fc..0c25704dcb6b 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -547,6 +547,23 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, trb_link->ctrl |= DWC3_TRB_CTRL_HWO; } + switch (usb_endpoint_type(desc)) { + case USB_ENDPOINT_XFER_CONTROL: + strlcat(dep->name, "-control", sizeof(dep->name)); + break; + case USB_ENDPOINT_XFER_ISOC: + strlcat(dep->name, "-isoc", sizeof(dep->name)); + break; + case USB_ENDPOINT_XFER_BULK: + strlcat(dep->name, "-bulk", sizeof(dep->name)); + break; + case USB_ENDPOINT_XFER_INT: + strlcat(dep->name, "-int", sizeof(dep->name)); + break; + default: + dev_err(dwc->dev, "invalid endpoint transfer type\n"); + } + return 0; } @@ -586,6 +603,8 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) struct dwc3 *dwc = dep->dwc; u32 reg; + dwc3_trace(trace_dwc3_gadget, "Disabling %s", dep->name); + dwc3_remove_requests(dwc, dep); /* make sure HW endpoint isn't stalled */ @@ -602,6 +621,10 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) dep->type = 0; dep->flags = 0; + snprintf(dep->name, sizeof(dep->name), "ep%d%s", + dep->number >> 1, + (dep->number & 1) ? "in" : "out"); + return 0; } @@ -647,23 +670,6 @@ static int dwc3_gadget_ep_enable(struct usb_ep *ep, return 0; } - switch (usb_endpoint_type(desc)) { - case USB_ENDPOINT_XFER_CONTROL: - strlcat(dep->name, "-control", sizeof(dep->name)); - break; - case USB_ENDPOINT_XFER_ISOC: - strlcat(dep->name, "-isoc", sizeof(dep->name)); - break; - case USB_ENDPOINT_XFER_BULK: - strlcat(dep->name, "-bulk", sizeof(dep->name)); - break; - case USB_ENDPOINT_XFER_INT: - strlcat(dep->name, "-int", sizeof(dep->name)); - break; - default: - dev_err(dwc->dev, "invalid endpoint transfer type\n"); - } - spin_lock_irqsave(&dwc->lock, flags); ret = __dwc3_gadget_ep_enable(dep, desc, ep->comp_desc, false, false); spin_unlock_irqrestore(&dwc->lock, flags); @@ -692,10 +698,6 @@ static int dwc3_gadget_ep_disable(struct usb_ep *ep) return 0; } - snprintf(dep->name, sizeof(dep->name), "ep%d%s", - dep->number >> 1, - (dep->number & 1) ? "in" : "out"); - spin_lock_irqsave(&dwc->lock, flags); ret = __dwc3_gadget_ep_disable(dep); spin_unlock_irqrestore(&dwc->lock, flags); @@ -1713,6 +1715,17 @@ static int dwc3_gadget_init_hw_endpoints(struct dwc3 *dwc, return ret; } + if (epnum == 0 || epnum == 1) { + dep->endpoint.caps.type_control = true; + } else { + dep->endpoint.caps.type_iso = true; + dep->endpoint.caps.type_bulk = true; + dep->endpoint.caps.type_int = true; + } + + dep->endpoint.caps.dir_in = !!direction; + dep->endpoint.caps.dir_out = !direction; + INIT_LIST_HEAD(&dep->request_list); INIT_LIST_HEAD(&dep->req_queued); } @@ -2685,7 +2698,7 @@ int dwc3_gadget_init(struct dwc3 *dwc) goto err0; } - dwc->ep0_trb = dma_alloc_coherent(dwc->dev, sizeof(*dwc->ep0_trb), + dwc->ep0_trb = dma_alloc_coherent(dwc->dev, sizeof(*dwc->ep0_trb) * 2, &dwc->ep0_trb_addr, GFP_KERNEL); if (!dwc->ep0_trb) { dev_err(dwc->dev, "failed to allocate ep0 trb\n"); |