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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>
This commit is contained in:
Michael Neuling 2011-06-05 16:48:47 +00:00 committed by Benjamin Herrenschmidt
parent b6935f8cd9
commit dc28518f7d
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/include/asm/dbell.h
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@ -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 */