Hi, John Youn <John.Youn@xxxxxxxxxxxx> writes: >>> @@ -1812,17 +1812,17 @@ static u32 dwc2_hsotg_ep0_mps(unsigned int mps) >>> * @hsotg: The driver state. >>> * @ep: The index number of the endpoint >>> * @mps: The maximum packet size in bytes >>> + * @mc: The multicount value >>> * >>> * Configure the maximum packet size for the given endpoint, updating >>> * the hardware control registers to reflect this. >>> */ >>> static void dwc2_hsotg_set_ep_maxpacket(struct dwc2_hsotg *hsotg, >>> - unsigned int ep, unsigned int mps, unsigned int dir_in) >>> + unsigned int ep, unsigned int mps, >>> + unsigned int mc, unsigned int dir_in) >> >> this has an odd set of arguments. You pass the ep index, mps, direction >> and mult value, when you could just pass hsotg_ep and descriptor instead. > > Yes looks like we can do some simplification here. And you probably > don't need to pass a descriptor either since it must be set in the > usb_ep before enable. > > However this is also called in some contexts where a descriptor is not > available (initialization and ep0). So we have to think about this a > bit. > > I think dwc3 can make similar simplification on the > __dwc3_gadget_ep_enable(). __dwc3_gadget_ep_enable() takes the actual descriptors as arguments: static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, const struct usb_endpoint_descriptor *desc, const struct usb_ss_ep_comp_descriptor *comp_desc, bool modify, bool restore) I fail to see how much simpler we can make this. Perhaps we can turn bool and restore into a single argument if we use a bitfield instead of a bool. -- balbi -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html