diff options
Diffstat (limited to 'drivers/dma/idxd/device.c')
-rw-r--r-- | drivers/dma/idxd/device.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c index fab412349f7f..f381319615fd 100644 --- a/drivers/dma/idxd/device.c +++ b/drivers/dma/idxd/device.c @@ -1206,6 +1206,13 @@ int __drv_enable_wq(struct idxd_wq *wq) goto err; } + /* + * Device has 1 misc interrupt and N interrupts for descriptor completion. To + * assign WQ to interrupt, we will take the N+1 interrupt since vector 0 is + * for the misc interrupt. + */ + wq->ie = &idxd->irq_entries[wq->id + 1]; + rc = idxd_wq_enable(wq); if (rc < 0) { dev_dbg(dev, "wq %d enabling failed: %d\n", wq->id, rc); @@ -1256,6 +1263,7 @@ void __drv_disable_wq(struct idxd_wq *wq) idxd_wq_drain(wq); idxd_wq_reset(wq); + wq->ie = NULL; wq->client_count = 0; } |