Add 'match_ep' callback to utilize chip-specific knowledge in endpoint matching
process. Function does the same that was done by chip-specific code inside
of epautoconf. Now this code can be removed from there to separate generic code
from platform specific logic.
Signed-off-by: Robert Baldyga <r.bald...@samsung.com>
---
drivers/usb/gadget/epautoconf.c | 20 ++------------------
drivers/usb/gadget/udc/goku_udc.c | 25 +++++++++++++++++++++++++
2 files changed, 27 insertions(+), 18 deletions(-)
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index d41fd82..da45371 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -86,24 +86,8 @@ struct usb_ep *usb_ep_autoconfig_ss(
/* First, apply chip-specific "best usage" knowledge.
* This might make a good usb_gadget_ops hook ...
*/
- if (gadget_is_goku (gadget)) {
- if (USB_ENDPOINT_XFER_INT == type) {
- /* single buffering is enough */
- ep = gadget_find_ep_by_name(gadget, "ep3-bulk");
- if (ep && usb_gadget_ep_match_desc(gadget,
- ep, desc, ep_comp))
- goto found_ep;
- } else if (USB_ENDPOINT_XFER_BULK == type
- && (USB_DIR_IN & desc->bEndpointAddress)) {
- /* DMA may be available */
- ep = gadget_find_ep_by_name(gadget, "ep2-bulk");
- if (ep && usb_gadget_ep_match_desc(gadget,
- ep, desc, ep_comp))
- goto found_ep;
- }
-
#ifdef CONFIG_BLACKFIN
- } else if (gadget_is_musbhdrc(gadget)) {
+ if (gadget_is_musbhdrc(gadget)) {
if ((USB_ENDPOINT_XFER_BULK == type) ||
(USB_ENDPOINT_XFER_ISOC == type)) {
if (USB_DIR_IN & desc->bEndpointAddress)
@@ -119,8 +103,8 @@ struct usb_ep *usb_ep_autoconfig_ss(
ep = NULL;
if (ep && usb_gadget_ep_match_desc(gadget, ep, desc, ep_comp))
goto found_ep;
-#endif
}
+#endif
/* Second, look at endpoints until an unclaimed one looks usable */
list_for_each_entry (ep, &gadget->ep_list, ep_list) {
diff --git a/drivers/usb/gadget/udc/goku_udc.c
b/drivers/usb/gadget/udc/goku_udc.c
index 46b8d14..d5a93ea 100644
--- a/drivers/usb/gadget/udc/goku_udc.c
+++ b/drivers/usb/gadget/udc/goku_udc.c
@@ -990,6 +990,30 @@ static int goku_get_frame(struct usb_gadget *_gadget)
return -EOPNOTSUPP;
}
+static struct usb_ep *goku_match_ep(struct usb_gadget *g,
+ struct usb_endpoint_descriptor *desc,
+ struct usb_ss_ep_comp_descriptor *ep_comp)
+{
+ struct goku_udc *dev = to_goku_udc(g);
+ struct usb_ep *ep;
+ u8 type = usb_endpoint_type(desc);
+
+ if (type == USB_ENDPOINT_XFER_INT) {
+ /* single buffering is enough */
+ ep = &dev->ep[3].ep;
+ if (ep && usb_gadget_ep_match_desc(g, ep, desc, ep_comp))
+ return ep;
+ } else if (type == USB_ENDPOINT_XFER_BULK
+ && usb_endpoint_dir_in(desc)) {
+ /* DMA may be available */
+ ep = &dev->ep[2].ep;
+ if (ep && usb_gadget_ep_match_desc(g, ep, desc, ep_comp))
+ return ep;
+ }
+
+ return NULL;
+}
+
static int goku_udc_start(struct usb_gadget *g,
struct usb_gadget_driver *driver);
static int goku_udc_stop(struct usb_gadget *g);
@@ -998,6 +1022,7 @@ static const struct usb_gadget_ops goku_ops = {
.get_frame = goku_get_frame,
.udc_start = goku_udc_start,
.udc_stop = goku_udc_stop,
+ .match_ep = goku_match_ep,
// no remote wakeup
// not selfpowered
};
--
1.9.1
--
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