diff --git a/[refs] b/[refs]
index 14a419dd8262..ffa6fb9172e7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5712f52e8c024c6b7b82ae5c7b5b3d0f3e6f711b
+refs/heads/master: 350e3ade9ed0809a94c51db6ee66883a35f0d6c9
diff --git a/trunk/arch/s390/kernel/head.S b/trunk/arch/s390/kernel/head.S
index d12cff11b4bc..2710e66fefba 100644
--- a/trunk/arch/s390/kernel/head.S
+++ b/trunk/arch/s390/kernel/head.S
@@ -346,6 +346,13 @@ iplstart:
         la    %r2,.Lreset              
         lhi   %r3,26
 	diag  %r2,%r3,8
+	la    %r5,.Lirb
+	stsch 0(%r5)			       # check if irq is pending
+	tm    30(%r5),0x0f		       # by verifying if any of the
+	bnz   .Lwaitforirq		       # activity or status control
+	tm    31(%r5),0xff		       # bits is set in the schib
+	bz    .Lnoreset
+.Lwaitforirq:
 	mvc   0x78(8),.Lrdrnewpsw              # set up IO interrupt psw
 .Lwaitrdrirq:
 	lpsw  .Lrdrwaitpsw
diff --git a/trunk/arch/s390/kernel/head64.S b/trunk/arch/s390/kernel/head64.S
index 10bc592c3637..9a8263a153cb 100644
--- a/trunk/arch/s390/kernel/head64.S
+++ b/trunk/arch/s390/kernel/head64.S
@@ -345,6 +345,13 @@ iplstart:
         la    %r2,.Lreset              
         lhi   %r3,26
 	diag  %r2,%r3,8
+	la    %r5,.Lirb
+	stsch 0(%r5)			       # check if irq is pending
+	tm    30(%r5),0x0f		       # by verifying if any of the
+	bnz   .Lwaitforirq		       # activity or status control
+	tm    31(%r5),0xff		       # bits is set in the schib
+	bz    .Lnoreset
+.Lwaitforirq:
 	mvc   0x78(8),.Lrdrnewpsw	       # set up IO interrupt psw
 .Lwaitrdrirq:
 	lpsw  .Lrdrwaitpsw