From dc28518f7d7dfd93cd44edb44f9b8e961f5a5c1b Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@neuling.org>
Date: Sun, 5 Jun 2011 16:48:47 +0000
Subject: [PATCH] powerpc: Fix doorbell type shift
doorbell type is defined as bits 32:36 so should be shifted by 63-36 =
27 rather than 28.
We never noticed this bug as we've only every used type PPC_DBELL = 0.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
arch/powerpc/include/asm/dbell.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/dbell.h b/arch/powerpc/include/asm/dbell.h
index 9c70d0ca96d4..efa74ac44a35 100644
--- a/arch/powerpc/include/asm/dbell.h
+++ b/arch/powerpc/include/asm/dbell.h
@@ -18,7 +18,7 @@
#include <asm/ppc-opcode.h>
#define PPC_DBELL_MSG_BRDCAST (0x04000000)
-#define PPC_DBELL_TYPE(x) (((x) & 0xf) << 28)
+#define PPC_DBELL_TYPE(x) (((x) & 0xf) << (63-36))
enum ppc_dbell {
PPC_DBELL = 0, /* doorbell */
PPC_DBELL_CRIT = 1, /* critical doorbell */
--
2.34.1