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usb: gadget: f_ncm: allow using NCM in SuperSpeed Plus gadgets.
[ Upstream commit 7974ecd7d3c0f42a98566f281e44ea8573a2ad88 ] Currently, enabling f_ncm at SuperSpeed Plus speeds results in an oops in config_ep_by_speed because ncm_set_alt passes in NULL ssp_descriptors. Fix this by re-using the SuperSpeed descriptors. This is safe because usb_assign_descriptors calls usb_copy_descriptors. Tested: enabled f_ncm on a dwc3 gadget and 10Gbps link, ran iperf Reviewed-by: Maciej Żenczykowski <maze@google.com> Signed-off-by: Lorenzo Colitti <lorenzo@google.com> Signed-off-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -1541,7 +1541,7 @@ static int ncm_bind(struct usb_configuration *c, struct usb_function *f)
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fs_ncm_notify_desc.bEndpointAddress;
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status = usb_assign_descriptors(f, ncm_fs_function, ncm_hs_function,
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ncm_ss_function, NULL);
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ncm_ss_function, ncm_ss_function);
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if (status)
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goto fail;
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