On 1/21/2021 9:17 PM, Jack Pham wrote: > Hi Wesley, > > On Thu, Jan 21, 2021 at 08:01:37PM -0800, Wesley Cheng wrote: >> Some UDCs may have constraints on how many high bandwidth endpoints it can >> support in a certain configuration. This API allows for the composite >> driver to pass down the total number of endpoints to the UDC so it can verify >> it has the required resources to support the configuration. >> >> Signed-off-by: Wesley Cheng <wcheng@xxxxxxxxxxxxxx> >> --- >> drivers/usb/gadget/udc/core.c | 9 +++++++++ >> include/linux/usb/gadget.h | 2 ++ >> 2 files changed, 11 insertions(+) >> >> diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c >> index 4173acd..469962f 100644 >> --- a/drivers/usb/gadget/udc/core.c >> +++ b/drivers/usb/gadget/udc/core.c >> @@ -1003,6 +1003,15 @@ int usb_gadget_ep_match_desc(struct usb_gadget *gadget, >> } >> EXPORT_SYMBOL_GPL(usb_gadget_ep_match_desc); >> >> +int usb_gadget_check_config(struct usb_gadget *gadget, unsigned long ep_map) > > You should probably add a kernel-doc for this function. > > Jack > Hi Jack, Sure, I'll update a bit more about how this API can be used. Thanks Wesley Cheng -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project