Subject: spufs: remove stop_code from struct spu From: Masato Noguchi 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 Signed-off-by: Arnd Bergmann --- 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: linus-2.6/arch/powerpc/platforms/cell/spu_base.c =================================================================== --- linus-2.6.orig/arch/powerpc/platforms/cell/spu_base.c +++ linus-2.6/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: linus-2.6/arch/powerpc/platforms/cell/spufs/switch.c =================================================================== --- linus-2.6.orig/arch/powerpc/platforms/cell/spufs/switch.c +++ linus-2.6/arch/powerpc/platforms/cell/spufs/switch.c @@ -2108,7 +2108,6 @@ 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: linus-2.6/include/asm-powerpc/spu.h =================================================================== --- linus-2.6.orig/include/asm-powerpc/spu.h +++ linus-2.6/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);