[PATCH] dma: ti: k3-udma: Fix ring_idx to pair k3 nav rings"

[Udit Kumar]

ring_idx was not correctly assigned in case of tflow_id is zero.
Which leads to wrong pairing of DMA for drivers like OSPI.

Fixes: 4312a1dfca26 ("dma: ti: k3-udma: Use ring_idx to pair k3 nav rings")
Signed-off-by: Udit Kumar <u-kum...@ti.com>
---
 drivers/dma/ti/k3-udma.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index eea9ec9659..39866ffff8 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -884,10 +884,10 @@ static int udma_alloc_tx_resources(struct udma_chan *uc)
                return ret;
 
        tchan = uc->tchan;
-       if (tchan->tflow_id >= 0)
+       if (tchan->tflow_id > 0)
                ring_idx = tchan->tflow_id;
        else
-               ring_idx = ud->bchan_cnt + tchan->id;
+               ring_idx = tchan->id;
 
        ret = k3_nav_ringacc_request_rings_pair(ud->ringacc, ring_idx, -1,
                                                &uc->tchan->t_ring,
-- 
2.34.1