[paulmck-rcu:dev.2026.09.03a 43/55] drivers/usb/mtu3/./mtu3_trace.h:239:55: error: invalid type argument of '->' (have 'struct mtu3_gpd_ring')

[paulmck-rcu:dev.2026.09.03a 43/55] drivers/usb/mtu3/./mtu3_trace.h:239:55: error: invalid type argument of '->' (have 'struct mtu3_gpd_ring')

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2026.09.03a
head:   6c5c244f4b239bc4d284e58a2f79a143648557cb
commit: afda2321e6e93a5bcc28bfb4717fbc3a1768446c [43/55] EXP drivers/usb/mtu3: Work around mtu3_log_ep double-indirection issue
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20260910/202609100921.vDOlHS7p-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260910/202609100921.vDOlHS7p-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609100921.vDOlHS7p-lkp@intel.com/

Note: the paulmck-rcu/dev.2026.09.03a HEAD 6c5c244f4b239bc4d284e58a2f79a143648557cb builds fine.
      It only hurts bisectability.

All errors (new ones prefixed by >>):

   In file included from include/trace/define_trace.h:132,
                    from drivers/usb/mtu3/mtu3_trace.h:279,
                    from drivers/usb/mtu3/mtu3_trace.c:12:
   drivers/usb/mtu3/./mtu3_trace.h: In function 'do_trace_event_raw_event_mtu3_log_ep':
>> drivers/usb/mtu3/./mtu3_trace.h:239:55: error: invalid type argument of '->' (have 'struct mtu3_gpd_ring')
     239 |                 __entry->gpd_ring_dma = &mep->gpd_ring->dma;
         |                                                       ^~
   include/trace/trace_events.h:448:11: note: in definition of macro '__DECLARE_EVENT_CLASS'
     448 |         { assign; }                                                     \
         |           ^~~~~~
   include/trace/trace_events.h:456:23: note: in expansion of macro 'PARAMS'
     456 |                       PARAMS(assign), PARAMS(print))                    \
         |                       ^~~~~~
   drivers/usb/mtu3/./mtu3_trace.h:214:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
     214 | DECLARE_EVENT_CLASS(mtu3_log_ep,
         | ^~~~~~~~~~~~~~~~~~~
   drivers/usb/mtu3/./mtu3_trace.h:229:9: note: in expansion of macro 'TP_fast_assign'
     229 |         TP_fast_assign(
         |         ^~~~~~~~~~~~~~
   In file included from include/trace/define_trace.h:133:
   drivers/usb/mtu3/./mtu3_trace.h: In function 'do_perf_trace_mtu3_log_ep':
>> drivers/usb/mtu3/./mtu3_trace.h:239:55: error: invalid type argument of '->' (have 'struct mtu3_gpd_ring')
     239 |                 __entry->gpd_ring_dma = &mep->gpd_ring->dma;
         |                                                       ^~
   include/trace/perf.h:51:11: note: in definition of macro '__DECLARE_EVENT_CLASS'
      51 |         { assign; }                                                     \
         |           ^~~~~~
   include/trace/perf.h:67:23: note: in expansion of macro 'PARAMS'
      67 |                       PARAMS(assign), PARAMS(print))                    \
         |                       ^~~~~~
   drivers/usb/mtu3/./mtu3_trace.h:214:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
     214 | DECLARE_EVENT_CLASS(mtu3_log_ep,
         | ^~~~~~~~~~~~~~~~~~~
   drivers/usb/mtu3/./mtu3_trace.h:229:9: note: in expansion of macro 'TP_fast_assign'
     229 |         TP_fast_assign(
         |         ^~~~~~~~~~~~~~


vim +239 drivers/usb/mtu3/./mtu3_trace.h

   213	
   214	DECLARE_EVENT_CLASS(mtu3_log_ep,
   215		TP_PROTO(struct mtu3_ep *mep),
   216		TP_ARGS(mep),
   217		TP_STRUCT__entry(
   218			__string(name, mep->name)
   219			__field(unsigned int, type)
   220			__field(unsigned int, slot)
   221			__field(unsigned int, maxp)
   222			__field(unsigned int, mult)
   223			__field(unsigned int, maxburst)
   224			__field(unsigned int, flags)
   225			__field(unsigned int, direction)
   226			__field(struct mtu3_gpd_ring *, gpd_ring)
   227			__field(dma_addr_t *, gpd_ring_dma)
   228		),
   229		TP_fast_assign(
   230			__assign_str(name);
   231			__entry->type = mep->type;
   232			__entry->slot = mep->slot;
   233			__entry->maxp = mep->ep.maxpacket;
   234			__entry->mult = mep->ep.mult;
   235			__entry->maxburst = mep->ep.maxburst;
   236			__entry->flags = mep->flags;
   237			__entry->direction = mep->is_in;
   238			__entry->gpd_ring = &mep->gpd_ring;
 > 239			__entry->gpd_ring_dma = &mep->gpd_ring->dma;
   240		),
   241		TP_printk("%s: type %s maxp %d slot %d mult %d burst %d ring %p/%pad flags %c:%c%c%c:%c",
   242			__get_str(name), usb_ep_type_string(__entry->type),
   243			__entry->maxp, __entry->slot,
   244			__entry->mult, __entry->maxburst,
   245			__entry->gpd_ring, __entry->gpd_ring_dma,
   246			__entry->flags & MTU3_EP_ENABLED ? 'E' : 'e',
   247			__entry->flags & MTU3_EP_STALL ? 'S' : 's',
   248			__entry->flags & MTU3_EP_WEDGE ? 'W' : 'w',
   249			__entry->flags & MTU3_EP_BUSY ? 'B' : 'b',
   250			__entry->direction ? '<' : '>'
   251		)
   252	);
   253	

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