diff options
| author | MD Danish Anwar <danishanwar@ti.com> | 2024-02-15 15:19:46 +0530 |
|---|---|---|
| committer | Francesco Dolcini <francesco.dolcini@toradex.com> | 2024-03-21 14:26:33 +0000 |
| commit | df473a988e1dd241f15be1ce17bb90b36095bbb2 (patch) | |
| tree | d808ba7a11bed820ce626670f4ded139173a5c76 | |
| parent | 81525e1bf83f6852f887ecfadfe954dd10c55b3a (diff) | |
dma: ti: k3-udma: Use ring_idx to pair k3 nav rings
Use ring_idx to pair rings. ring_idx will be same as tx flow_id for all
non-negative flow_ids. For negative flow_ids, ring_idx will be tchan->id
added with bchan_cnt.
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
| -rw-r--r-- | drivers/dma/ti/k3-udma.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index a018f70c54..bdaadc9e78 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -875,13 +875,20 @@ static int udma_alloc_tx_resources(struct udma_chan *uc) { struct k3_nav_ring_cfg ring_cfg; struct udma_dev *ud = uc->ud; - int ret; + struct udma_tchan *tchan; + int ring_idx, ret; ret = udma_get_tchan(uc); if (ret) return ret; - ret = k3_nav_ringacc_request_rings_pair(ud->ringacc, uc->tchan->id, -1, + tchan = uc->tchan; + if (tchan->tflow_id >= 0) + ring_idx = tchan->tflow_id; + else + ring_idx = ud->bchan_cnt + tchan->id; + + ret = k3_nav_ringacc_request_rings_pair(ud->ringacc, ring_idx, -1, &uc->tchan->t_ring, &uc->tchan->tc_ring); if (ret) { |