[RFC PATCH 9/9] powerpc/traps: Use SRR1 defines for program check reasons

[Michael Ellerman]

Currently we open code the reason codes for program checks. Instead use
the existing SRR1 defines.

Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
 arch/powerpc/include/asm/reg.h |  1 +
 arch/powerpc/kernel/traps.c    | 10 +++++-----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index dff79798903d..07342572adca 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -665,6 +665,7 @@
 					  * may not be recoverable */
 #define	  SRR1_WS_DEEPER	0x00020000 /* Some resources not maintained */
 #define	  SRR1_WS_DEEP		0x00010000 /* All resources maintained */
+#define   SRR1_PROGTM		0x00200000 /* TM Bad Thing */
 #define   SRR1_PROGFPE		0x00100000 /* Floating Point Enabled */
 #define   SRR1_PROGILL		0x00080000 /* Illegal instruction */
 #define   SRR1_PROGPRIV		0x00040000 /* Privileged instruction */
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index fb753cc81bc0..315fc9921467 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -358,11 +358,11 @@ static inline int check_io_access(struct pt_regs *regs)
 /* On non-4xx, the reason for the machine check or program
    exception is in the MSR. */
 #define get_reason(regs)	((regs)->msr)
-#define REASON_TM		0x200000
-#define REASON_FP		0x100000
-#define REASON_ILLEGAL		0x80000
-#define REASON_PRIVILEGED	0x40000
-#define REASON_TRAP		0x20000
+#define REASON_TM		SRR1_PROGTM
+#define REASON_FP		SRR1_PROGFPE
+#define REASON_ILLEGAL		SRR1_PROGILL
+#define REASON_PRIVILEGED	SRR1_PROGPRIV
+#define REASON_TRAP		SRR1_PROGTRAP
 
 #define single_stepping(regs)	((regs)->msr & MSR_SE)
 #define clear_single_step(regs)	((regs)->msr &= ~MSR_SE)
-- 
2.7.4