linux-next: build warning after merge of the amdgpu tree

[Stephen Rothwell]

Hi all,

After merging the amdgpu tree, today's linux-next build (powerpc
allyesconfig) produced this warning:

In file included from include/linux/compiler_types.h:59,
                 from <command-line>:
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c: In function 'smu7_request_link_speed_change_before_state_change':
include/linux/compiler_attributes.h:200:41: warning: statement will never be executed [-Wswitch-unreachable]
  200 | # define fallthrough                    __attribute__((__fallthrough__))
      |                                         ^~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c:3706:4: note: in expansion of macro 'fallthrough'
 3706 |    fallthrough;
      |    ^~~~~~~~~~~

Introduced by commit

  e86efa063cd1 ("AMD POWERPLAY: Use fallthrough;")

-- 
Cheers,
Stephen Rothwell

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