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>
diff --git a/arch/powerpc/include/asm/dbell.h b/arch/powerpc/include/asm/dbell.h
index 9c70d0c..efa74ac 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 */