Currently, only usbcore knows port init status even if the result is bad, so it will keep doing USB enumeration and other drivers can't do anything. Add the hook to let other drivers know the status and do error handling. Ray Chi (2): usb: core: add a hook to check port init status usb: xhci: add check_init_status hook support drivers/usb/core/hub.c | 14 ++++++++++++++ drivers/usb/host/xhci.c | 17 +++++++++++++++++ drivers/usb/host/xhci.h | 1 + include/linux/usb/hcd.h | 8 ++++++++ 4 files changed, 40 insertions(+) -- 2.37.1.595.g718a3a8f04-goog
