From e85f6226ed2f18c4bdbf6c386cc179783564a343 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Thu, 5 Feb 2009 23:59:04 -0800
Subject: [PATCH] --- yaml --- r: 131210 b: refs/heads/master c:
 1c2f61d40b691789626489fa947a3e003c9a84be h: refs/heads/master v: v3

---
 [refs]                        | 2 +-
 trunk/arch/sparc/kernel/pcr.c | 7 ++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 7bdb76da05d9..a15fee28cd9e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dc4ff585ffbc6cb0c872697b2d5f42293a32e5c8
+refs/heads/master: 1c2f61d40b691789626489fa947a3e003c9a84be
diff --git a/trunk/arch/sparc/kernel/pcr.c b/trunk/arch/sparc/kernel/pcr.c
index 92e0dda141a4..1ae8cdd7e703 100644
--- a/trunk/arch/sparc/kernel/pcr.c
+++ b/trunk/arch/sparc/kernel/pcr.c
@@ -133,11 +133,16 @@ int __init pcr_arch_init(void)
 
 	case cheetah:
 	case cheetah_plus:
-	case spitfire:
 		pcr_ops = &direct_pcr_ops;
 		pcr_enable = PCR_SUN4U_ENABLE;
 		break;
 
+	case spitfire:
+		/* UltraSPARC-I/II and derivatives lack a profile
+		 * counter overflow interrupt so we can't make use of
+		 * their hardware currently.
+		 */
+		/* fallthrough */
 	default:
 		err = -ENODEV;
 		goto out_unregister;