Re: [BUG/PATCH] drivers/usb/mtu3: Work around mtu3_log_ep double-indirection issue

I've done a little bit massaging and here is what worked for me

diff --git a/drivers/usb/mtu3/mtu3_trace.h b/drivers/usb/mtu3/mtu3_trace.h
index 89870175d635..4d4bae25fa1f 100644
--- a/drivers/usb/mtu3/mtu3_trace.h
+++ b/drivers/usb/mtu3/mtu3_trace.h

@@ -224,6 +224,7 @@ DECLARE_EVENT_CLASS(mtu3_log_ep,
                __field(unsigned int, flags)
                __field(unsigned int, direction)
                __field(struct mtu3_gpd_ring *, gpd_ring)
+               __field(dma_addr_t, gpd_ring_dma)
        ),
        TP_fast_assign(
                __assign_str(name);

@@ -235,12 +236,13 @@ DECLARE_EVENT_CLASS(mtu3_log_ep,
                __entry->flags = mep->flags;
                __entry->direction = mep->is_in;
                __entry->gpd_ring = &mep->gpd_ring;
+               __entry->gpd_ring_dma = mep->gpd_ring.dma;
        ),
        TP_printk("%s: type %s maxp %d slot %d mult %d burst %d ring %p/%pad flags %c:%c%c%c:%c",
                __get_str(name), usb_ep_type_string(__entry->type),
                __entry->maxp, __entry->slot,
                __entry->mult, __entry->maxburst,
-               __entry->gpd_ring, &__entry->gpd_ring->dma,
+               __entry->gpd_ring, &__entry->gpd_ring_dma,
                __entry->flags & MTU3_EP_ENABLED ? 'E' : 'e',
                __entry->flags & MTU3_EP_STALL ? 'S' : 's',
                __entry->flags & MTU3_EP_WEDGE ? 'W' : 'w',