Messages in this thread | | | Date | Thu, 21 Jan 2021 21:17:43 -0800 | From | Jack Pham <> | Subject | Re: [PATCH v6 1/4] usb: gadget: udc: core: Introduce check_config to verify USB configuration |
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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@codeaurora.org> > --- > 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 -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project
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