summaryrefslogtreecommitdiffstats
path: root/drivers/dma/idxd/init.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/dma/idxd/init.c')
-rw-r--r--drivers/dma/idxd/init.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c
index 11e5ce168177..0a4432b063b5 100644
--- a/drivers/dma/idxd/init.c
+++ b/drivers/dma/idxd/init.c
@@ -178,6 +178,9 @@ static int idxd_setup_internals(struct idxd_device *idxd)
wq->idxd_cdev.minor = -1;
wq->max_xfer_bytes = idxd->max_xfer_bytes;
wq->max_batch_size = idxd->max_batch_size;
+ wq->wqcfg = devm_kzalloc(dev, idxd->wqcfg_size, GFP_KERNEL);
+ if (!wq->wqcfg)
+ return -ENOMEM;
}
for (i = 0; i < idxd->max_engines; i++) {
@@ -251,6 +254,8 @@ static void idxd_read_caps(struct idxd_device *idxd)
dev_dbg(dev, "total workqueue size: %u\n", idxd->max_wq_size);
idxd->max_wqs = idxd->hw.wq_cap.num_wqs;
dev_dbg(dev, "max workqueues: %u\n", idxd->max_wqs);
+ idxd->wqcfg_size = 1 << (idxd->hw.wq_cap.wqcfg_size + IDXD_WQCFG_MIN);
+ dev_dbg(dev, "wqcfg size: %u\n", idxd->wqcfg_size);
/* reading operation capabilities */
for (i = 0; i < 4; i++) {