[POWERPC] spufs: Read from signal files only if data is there

[safe/jmp/linux-2.6] / arch / powerpc / platforms / cell / spufs / hw_ops.c

diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c
index 59c87f1..79c304e 100644 (file)
--- a/arch/powerpc/platforms/cell/spufs/hw_ops.c
+++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c
@@ -135,21 +135,11 @@ static int spu_hw_wbox_write(struct spu_context *ctx, u32 data)
        return ret;
 }
 
-static u32 spu_hw_signal1_read(struct spu_context *ctx)
-{
-       return in_be32(&ctx->spu->problem->signal_notify1);
-}
-
 static void spu_hw_signal1_write(struct spu_context *ctx, u32 data)
 {
        out_be32(&ctx->spu->problem->signal_notify1, data);
 }
 
-static u32 spu_hw_signal2_read(struct spu_context *ctx)
-{
-       return in_be32(&ctx->spu->problem->signal_notify2);
-}
-
 static void spu_hw_signal2_write(struct spu_context *ctx, u32 data)
 {
        out_be32(&ctx->spu->problem->signal_notify2, data);
@@ -294,9 +284,7 @@ struct spu_context_ops spu_hw_ops = {
        .mbox_stat_poll = spu_hw_mbox_stat_poll,
        .ibox_read = spu_hw_ibox_read,
        .wbox_write = spu_hw_wbox_write,
-       .signal1_read = spu_hw_signal1_read,
        .signal1_write = spu_hw_signal1_write,
-       .signal2_read = spu_hw_signal2_read,
        .signal2_write = spu_hw_signal2_write,
        .signal1_type_set = spu_hw_signal1_type_set,
        .signal1_type_get = spu_hw_signal1_type_get,