Messages in this thread Patch in this message |  | | From | Greg Kroah-Hartman <> | Subject | [PATCH v2 3/5] USB: gadget: f_midi: setup SuperSpeed Plus descriptors | Date | Fri, 27 Nov 2020 15:05:57 +0100 |
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From: Will McVicker <willmcvicker@google.com>
Needed for SuperSpeed Plus support for f_midi. This allows the gadget to work properly without crashing at SuperSpeed rates.
Cc: Felipe Balbi <balbi@kernel.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Will McVicker <willmcvicker@google.com> Reviewed-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/usb/gadget/function/f_midi.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 85cb15734aa8..974a2d931c3b 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -1048,6 +1048,12 @@ static int f_midi_bind(struct usb_configuration *c, struct usb_function *f) f->ss_descriptors = usb_copy_descriptors(midi_function); if (!f->ss_descriptors) goto fail_f_midi; + + if (gadget_is_superspeed_plus(c->cdev->gadget)) { + f->ssp_descriptors = usb_copy_descriptors(midi_function); + if (!f->ssp_descriptors) + goto fail_f_midi; + } } kfree(midi_function); -- 2.29.2
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