diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/udc/net2280.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index cd876bf..a28eb870 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -1573,6 +1573,44 @@ static struct usb_ep *net2280_match_ep(struct usb_gadget *_gadget, return ep; } + /* USB3380: Only first four endpoints have DMA channels. Allocate + * slower interrupt endpoints from PIO hw endpoints, to allow bulk/isoc + * endpoints use DMA hw endpoints. + */ + if (usb_endpoint_type(desc) == USB_ENDPOINT_XFER_INT && + usb_endpoint_dir_in(desc)) { + ep = gadget_find_ep_by_name(_gadget, "ep2in"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + ep = gadget_find_ep_by_name(_gadget, "ep4in"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + } else if (usb_endpoint_type(desc) == USB_ENDPOINT_XFER_INT && + !usb_endpoint_dir_in(desc)) { + ep = gadget_find_ep_by_name(_gadget, "ep1out"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + ep = gadget_find_ep_by_name(_gadget, "ep3out"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + } else if (usb_endpoint_type(desc) != USB_ENDPOINT_XFER_BULK && + usb_endpoint_dir_in(desc)) { + ep = gadget_find_ep_by_name(_gadget, "ep1in"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + ep = gadget_find_ep_by_name(_gadget, "ep3in"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + } else if (usb_endpoint_type(desc) != USB_ENDPOINT_XFER_BULK && + !usb_endpoint_dir_in(desc)) { + ep = gadget_find_ep_by_name(_gadget, "ep2out"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + ep = gadget_find_ep_by_name(_gadget, "ep4out"); + if (ep && usb_gadget_ep_match_desc(_gadget, ep, desc, ep_comp)) + return ep; + } + /* USB3380: use same address for usb and hardware endpoints */ snprintf(name, sizeof(name), "ep%d%s", usb_endpoint_num(desc), usb_endpoint_dir_in(desc) ? "in" : "out"); |