Commit 457a902b authored Nov 27, 2020 by Will McVicker Committed by Greg Kroah-Hartman Dec 10, 2020

USB: gadget: f_midi: setup SuperSpeed Plus descriptors



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>
Link: https://lore.kernel.org/r/20201127140559.381351-4-gregkh@linuxfoundation.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 3ee05c20

drivers/usb/gadget/function/f_midi.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -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);

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