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authorWill McVicker <willmcvicker@google.com>2020-11-27 15:05:57 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-12-10 16:12:23 +0100
commit457a902ba1a73b7720666b21ca038cd19764db18 (patch)
tree05d5d42c583154d3b9e5046bd52582121ee882f5 /drivers/usb/gadget
parent3ee05c20656782387aa9eb010fdb9bb16982ac3f (diff)
downloadlinux-457a902ba1a73b7720666b21ca038cd19764db18.tar.bz2
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>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/function/f_midi.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 19d97940eeb9..8fff995b8dd5 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);