From: Dan Tran <[email protected]> Populate ss_descriptors to support SuperSpeed connections. DFU is control-only so no separate SS descriptor set is needed; reuse the same descriptors across all speeds.
Reviewed-by: Tejas Narendra Joglekar <[email protected]> Signed-off-by: Dan Tran <[email protected]> Signed-off-by: Thinh Nguyen <[email protected]> --- drivers/usb/gadget/f_dfu.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/usb/gadget/f_dfu.c b/drivers/usb/gadget/f_dfu.c index ca8b36e077bc..68d2ec7ebbe8 100644 --- a/drivers/usb/gadget/f_dfu.c +++ b/drivers/usb/gadget/f_dfu.c @@ -227,6 +227,7 @@ static inline void to_dfu_mode(struct f_dfu *f_dfu) f_dfu->usb_function.strings = dfu_strings; f_dfu->usb_function.hs_descriptors = f_dfu->function; f_dfu->usb_function.descriptors = f_dfu->function; + f_dfu->usb_function.ss_descriptors = f_dfu->function; f_dfu->dfu_state = DFU_STATE_dfuIDLE; } @@ -235,6 +236,7 @@ static inline void to_runtime_mode(struct f_dfu *f_dfu) f_dfu->usb_function.strings = NULL; f_dfu->usb_function.hs_descriptors = dfu_runtime_descs; f_dfu->usb_function.descriptors = dfu_runtime_descs; + f_dfu->usb_function.ss_descriptors = dfu_runtime_descs; } static int handle_upload(struct usb_request *req, u16 len) @@ -752,6 +754,9 @@ static int dfu_bind(struct usb_configuration *c, struct usb_function *f) if (s) g_dnl_set_serialnumber((char *)s); + if (gadget_is_superspeed(cdev->gadget)) + f_dfu->usb_function.ss_descriptors = f_dfu->function; + error: return rv; } @@ -826,6 +831,7 @@ static int dfu_bind_config(struct usb_configuration *c) f_dfu->usb_function.name = "dfu"; f_dfu->usb_function.hs_descriptors = dfu_runtime_descs; f_dfu->usb_function.descriptors = dfu_runtime_descs; + f_dfu->usb_function.ss_descriptors = dfu_runtime_descs; f_dfu->usb_function.bind = dfu_bind; f_dfu->usb_function.unbind = dfu_unbind; f_dfu->usb_function.set_alt = dfu_set_alt; -- 2.53.0
