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authorMian Yousaf Kaukab <yousaf.kaukab@intel.com>2015-05-16 23:33:37 +0300
committerFelipe Balbi <balbi@ti.com>2015-05-26 18:40:21 +0300
commite9ab4d0ab8f5b1159558b9ab236e408d50962a00 (patch)
tree5a0088879c6b449ed1230ece930126699cf4c33b /drivers/usb/gadget/epautoconf.c
parentc65c4f052bc3b67989bf54914798513685c54988 (diff)
downloadlinux-e9ab4d0ab8f5b1159558b9ab236e408d50962a00.tar.xz
usb: gadget: autoconf: net2280: match hardware and usb ep address
USB3380 GPEP can be used in IN and OUT directions however, both directions should use same endpoint address. Fulfil this requirement by mapping usb endpoint to hardware endpoint with the same address. Tested-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/epautoconf.c')
-rw-r--r--drivers/usb/gadget/epautoconf.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index 0567cca1465e..919cdfdda78b 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -258,15 +258,25 @@ 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_net2280 (gadget) && type == USB_ENDPOINT_XFER_INT) {
- /* ep-e, ep-f are PIO with only 64 byte fifos */
- ep = find_ep (gadget, "ep-e");
- if (ep && ep_matches(gadget, ep, desc, ep_comp))
- goto found_ep;
- ep = find_ep (gadget, "ep-f");
+ if (gadget_is_net2280(gadget)) {
+ char name[8];
+
+ if (type == USB_ENDPOINT_XFER_INT) {
+ /* ep-e, ep-f are PIO with only 64 byte fifos */
+ ep = find_ep(gadget, "ep-e");
+ if (ep && ep_matches(gadget, ep, desc, ep_comp))
+ goto found_ep;
+ ep = find_ep(gadget, "ep-f");
+ if (ep && ep_matches(gadget, ep, desc, ep_comp))
+ goto found_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");
+ ep = find_ep(gadget, name);
if (ep && ep_matches(gadget, ep, desc, ep_comp))
goto found_ep;
-
} else if (gadget_is_goku (gadget)) {
if (USB_ENDPOINT_XFER_INT == type) {
/* single buffering is enough */