[PATCH v2 42/48] usb: gadget: epautoconf: use 'ep_match' gadget callback
From: Robert Baldyga <hidden>
Date: 2015-07-14 09:45:24
Also in:
linux-arm-kernel, linux-omap, lkml
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
If gadget has set 'ep_match' callback we prefer to call it first to allow UDC driver to find the best matching endpoint basing on chip-specific "best usage" knowledge. Signed-off-by: Robert Baldyga <redacted> --- drivers/usb/gadget/epautoconf.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index ee0d4e6..92a1a4c 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c@@ -165,6 +165,12 @@ struct usb_ep *usb_ep_autoconfig_ss( type = desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; + if (gadget->ops->match_ep) { + ep = gadget->ops->match_ep(gadget, desc, ep_comp); + if (ep) + goto found_ep; + } + /* First, apply chip-specific "best usage" knowledge. * This might make a good usb_gadget_ops hook ... */
--
1.9.1