[PATCH 3/3] powerpc/powernv: only call OPAL_RESEND_DUMP if firmware supports it

[Stewart Smith]

Not all OPAL platforms support resending system dumps, so check
that current firmware supports it first. Otherwise we get firmware
complaining:
"OPAL: Called with bad token 91 !"

Signed-off-by: Stewart Smith <stewart at linux.vnet.ibm.com>
---
 arch/powerpc/platforms/powernv/opal-dump.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/powernv/opal-dump.c b/arch/powerpc/platforms/powernv/opal-dump.c
index 23260f7..5aa9c1c 100644
--- a/arch/powerpc/platforms/powernv/opal-dump.c
+++ b/arch/powerpc/platforms/powernv/opal-dump.c
@@ -452,5 +452,6 @@ void __init opal_platform_dump_init(void)
 		return;
 	}
 
-	opal_dump_resend_notification();
+	if (opal_check_token(OPAL_DUMP_RESEND))
+		opal_dump_resend_notification();
 }
-- 
1.7.10.4