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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>
zero-sugar-mainline-defconfig
Will McVicker 2020-11-27 15:05:57 +01:00 committed by Greg Kroah-Hartman
parent 3ee05c2065
commit 457a902ba1
1 changed files with 6 additions and 0 deletions
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6
drivers/usb/gadget/function/f_midi.c
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@ -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);