diff options
| -rw-r--r-- | arch/powerpc/platforms/powernv/npu-dma.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c index 458315319bd3..8006c54a91e3 100644 --- a/arch/powerpc/platforms/powernv/npu-dma.c +++ b/arch/powerpc/platforms/powernv/npu-dma.c @@ -440,8 +440,9 @@ static int get_mmio_atsd_reg(struct npu *npu) int i; for (i = 0; i < npu->mmio_atsd_count; i++) { - if (!test_and_set_bit_lock(i, &npu->mmio_atsd_usage)) - return i; + if (!test_bit(i, &npu->mmio_atsd_usage)) + if (!test_and_set_bit_lock(i, &npu->mmio_atsd_usage)) + return i; } return -ENOSPC; |