dmanegine: idxd: add software command status

[linux-2.6-microblaze.git] / drivers / dma / idxd / dma.c

diff --git a/drivers/dma/idxd/dma.c b/drivers/dma/idxd/dma.c
index 2fd7ec2..a195225 100644 (file)
--- a/drivers/dma/idxd/dma.c
+++ b/drivers/dma/idxd/dma.c
@@ -284,22 +284,26 @@ static int idxd_dmaengine_drv_probe(struct idxd_dev *idxd_dev)
 
        rc = idxd_wq_alloc_resources(wq);
        if (rc < 0) {
+               idxd->cmd_status = IDXD_SCMD_WQ_RES_ALLOC_ERR;
                dev_dbg(dev, "WQ resource alloc failed\n");
                goto err_res_alloc;
        }
 
        rc = idxd_wq_init_percpu_ref(wq);
        if (rc < 0) {
+               idxd->cmd_status = IDXD_SCMD_PERCPU_ERR;
                dev_dbg(dev, "percpu_ref setup failed\n");
                goto err_ref;
        }
 
        rc = idxd_register_dma_channel(wq);
        if (rc < 0) {
+               idxd->cmd_status = IDXD_SCMD_DMA_CHAN_ERR;
                dev_dbg(dev, "Failed to register dma channel\n");
                goto err_dma;
        }
 
+       idxd->cmd_status = 0;
        mutex_unlock(&wq->wq_lock);
        return 0;