powerpc/papr_scm: Fix warnings about undeclared variable
Build the kernel with 'make C=2': arch/powerpc/platforms/pseries/papr_scm.c:825:1: warning: symbol 'dev_attr_perf_stats' was not declared. Should it be static? Signed-off-by:Wang Wensheng <wangwensheng4@huawei.com> Reviewed-by:
Vaibhav Jain <vaibhav@linux.ibm.com> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200918085951.44983-1-wangwensheng4@huawei.com
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45557553
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