On Wed, 11 Dec 2013, Robert Baldyga wrote: > This patch adds "maxpacket_limit" to struct usb_ep. This field contains > maximum value of maxpacket supported by driver, and is set in driver probe. > This value should be used by autoconfig() function, because value of field > "maxpacket" is set to value from endpoint descriptor when endpoint becomes > enabled. So when autoconfig() function will be called again for this endpoint, > "maxpacket" value will contain wMaxPacketSize from descriptior instead of > maximum packet size for this endpoint. > > For this reason this patch adds new field "maxpacket_limit" which contains > value of maximum packet size (which defines maximum endpoint capabilities). > This value is used in ep_matches() function used by autoconfig(). > > Value of "maxpacket_limit" should be set in UDC driver probe function, using > usb_ep_set_maxpacket_limit() function, defined in gadget.h. This function > set choosen value to both "maxpacket_limit" and "maxpacket" fields. > > This patch modifies UDC drivers by adding support for maxpacket_limit. Why doesn't the patch modify the dummy-hcd UDC driver? Alan Stern -- 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
