cpu: Handle opal_reinit_cpus() more gracefully on P7

Don't try to call into slw_reinit() which causes error logs to
be generated.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/hw/slw.c b/hw/slw.c
index 3f3f649..30f9420 100644
--- a/hw/slw.c
+++ b/hw/slw.c
@@ -751,6 +751,9 @@ int64_t slw_reinit(uint64_t flags)
 	return OPAL_UNSUPPORTED;
 #endif
 
+	if (proc_gen < proc_gen_p8)
+		return OPAL_UNSUPPORTED;
+
 	if (flags & OPAL_REINIT_CPUS_HILE_BE)
 		target_le = false;
 	if (flags & OPAL_REINIT_CPUS_HILE_LE)