From: Stewart Smith <stewart@linux.vnet.ibm.com>
Date: Thu, 12 Feb 2015 05:25:28 +0000 (+1100)
Subject: powerpc/powernv: only call OPAL_ELOG_RESEND if firmware supports it
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=fc81de63104e7603e6695225c2573f27aaeb4a28;p=deliverable%2Flinux.git

powerpc/powernv: only call OPAL_ELOG_RESEND if firmware supports it

Otherwise firmware complains: "OPAL: Called with bad token 74 !"
as not all OPAL systems have the ability to resend error logs.

Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Acked-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---

diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c
index 518fe95dbf24..38ce757e5e2a 100644
--- a/arch/powerpc/platforms/powernv/opal-elog.c
+++ b/arch/powerpc/platforms/powernv/opal-elog.c
@@ -313,7 +313,8 @@ int __init opal_elog_init(void)
 	}
 
 	/* We are now ready to pull error logs from opal. */
-	opal_resend_pending_logs();
+	if (opal_check_token(OPAL_ELOG_RESEND))
+		opal_resend_pending_logs();
 
 	return 0;
 }