powerpc/perf: Return appropriate value for unknown domain

Return proper error code for unknown domain during IMC initialization.

Signed-off-by: Anju T Sudhakar <anju@linux.vnet.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Anju T Sudhakar 2018-05-22 14:42:36 +05:30 • committed by Michael Ellerman
commit e7a8ac4338