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authorMichael Neuling <mikey@neuling.org>2011-06-05 16:48:47 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-06-20 11:21:48 +1000
commitdc28518f7d7dfd93cd44edb44f9b8e961f5a5c1b (patch)
treeb49e7716451fe02ab9a5ef51aba5edcdffd29a30 /arch/powerpc/include/asm
parentb6935f8cd915cf11c5222cab5ecc6a45adb2270c (diff)
downloadlinux-dc28518f7d7dfd93cd44edb44f9b8e961f5a5c1b.tar.bz2
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>
Diffstat (limited to 'arch/powerpc/include/asm')
-rw-r--r--arch/powerpc/include/asm/dbell.h2
1 files changed, 1 insertions, 1 deletions
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 */