diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/hw_ops.c')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/hw_ops.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c index fc4ed1ffbd4f..e09616733c15 100644 --- a/arch/powerpc/platforms/cell/spufs/hw_ops.c +++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c @@ -220,6 +220,15 @@ static void spu_hw_runcntl_write(struct spu_context *ctx, u32 val) spin_unlock_irq(&ctx->spu->register_lock); } +static void spu_hw_runcntl_stop(struct spu_context *ctx) +{ + spin_lock_irq(&ctx->spu->register_lock); + out_be32(&ctx->spu->problem->spu_runcntl_RW, SPU_RUNCNTL_STOP); + while (in_be32(&ctx->spu->problem->spu_status_R) & SPU_STATUS_RUNNING) + cpu_relax(); + spin_unlock_irq(&ctx->spu->register_lock); +} + static void spu_hw_master_start(struct spu_context *ctx) { struct spu *spu = ctx->spu; @@ -321,6 +330,7 @@ struct spu_context_ops spu_hw_ops = { .get_ls = spu_hw_get_ls, .runcntl_read = spu_hw_runcntl_read, .runcntl_write = spu_hw_runcntl_write, + .runcntl_stop = spu_hw_runcntl_stop, .master_start = spu_hw_master_start, .master_stop = spu_hw_master_stop, .set_mfc_query = spu_hw_set_mfc_query, |