[patch 16/20] spufs: remove stop_code from struct spu

[arnd]

From: Masato Noguchi <Masato.Noguchi@xxxxxxxxxxx>

This patch remove 'stop_code' -- discarded member of struct spu.
It is written at initialize and interrupt, but never read
in current implementation.

Signed-off-by: Masato Noguchi <Masato.Noguchi@xxxxxxxxxxx>
Signed-off-by: Arnd Bergmann <arnd.bergmann@xxxxxxxxxx>
---
 arch/powerpc/platforms/cell/spu_base.c     |    2 --
 arch/powerpc/platforms/cell/spufs/switch.c |    1 -
 include/asm-powerpc/spu.h                  |    1 -
 3 files changed, 4 deletions(-)

Index: powerpc.git/arch/powerpc/platforms/cell/spu_base.c
===================================================================
--- powerpc.git.orig/arch/powerpc/platforms/cell/spu_base.c
+++ powerpc.git/arch/powerpc/platforms/cell/spu_base.c
@@ -160,7 +160,6 @@ static int __spu_trap_mailbox(struct spu
 static int __spu_trap_stop(struct spu *spu)
 {
 	pr_debug("%s\n", __FUNCTION__);
-	spu->stop_code = in_be32(&spu->problem->spu_status_R);
 	if (spu->stop_callback)
 		spu->stop_callback(spu);
 	return 0;
@@ -169,7 +168,6 @@ static int __spu_trap_stop(struct spu *s
 static int __spu_trap_halt(struct spu *spu)
 {
 	pr_debug("%s\n", __FUNCTION__);
-	spu->stop_code = in_be32(&spu->problem->spu_status_R);
 	if (spu->stop_callback)
 		spu->stop_callback(spu);
 	return 0;
Index: powerpc.git/arch/powerpc/platforms/cell/spufs/switch.c
===================================================================
--- powerpc.git.orig/arch/powerpc/platforms/cell/spufs/switch.c
+++ powerpc.git/arch/powerpc/platforms/cell/spufs/switch.c
@@ -2109,7 +2109,6 @@ int spu_restore(struct spu_state *new, s
 
 	acquire_spu_lock(spu);
 	harvest(NULL, spu);
-	spu->stop_code = 0;
 	spu->dar = 0;
 	spu->dsisr = 0;
 	spu->slb_replace = 0;
Index: powerpc.git/include/asm-powerpc/spu.h
===================================================================
--- powerpc.git.orig/include/asm-powerpc/spu.h
+++ powerpc.git/include/asm-powerpc/spu.h
@@ -134,7 +134,6 @@ struct spu {
 	int class_0_pending;
 	spinlock_t register_lock;
 
-	u32 stop_code;
 	void (* wbox_callback)(struct spu *spu);
 	void (* ibox_callback)(struct spu *spu);
 	void (* stop_callback)(struct spu *spu);

--

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