[PATCH RFC 2/2] powerpc/selftests: add test for papr-vpd

[Russell Currey]

On Tue, 2023-08-22 at 16:33 -0500, Nathan Lynch via B4 Relay wrote:
> From: Nathan Lynch <nathanl at linux.ibm.com>

Hi Nathan,

snowpatch has found a compiler error with this patch.


   Error: papr_vpd.c:346:33: error: passing argument 2 of 'test_harness'
   discards 'const' qualifier from pointer target type [-Werror=discarded-
   qualifiers]
      if (test_harness(t->function, t->description))
                                    ^
   In file included from papr_vpd.c:11:0:
   /linux/tools/testing/selftests/powerpc/include/utils.h:35:5: note:
   expected 'char *' but argument is of type 'const char * const'
    int test_harness(int (test_function)(void), char *name);
        ^

https://github.com/linuxppc/linux-snowpatch/actions/runs/5960052721/job/16166735476#step:6:1337
https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20230822-papr-sys_rtas-vs-lockdown-v1-2-932623cf3c7b@linux.ibm.com/

- Russell