From 7022640c10f027e6e2cff00012b3740a78f8b9bc Mon Sep 17 00:00:00 2001 From: Udit Kumar Date: Wed, 21 Feb 2024 19:53:44 +0530 Subject: [PATCH] dma: ti: k3-udma: Fix ring_idx to pair k3 nav rings 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") Reviewed-by: Jai Luthra Signed-off-by: Udit Kumar --- 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 ed0a9bf487..ef3074aa13 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, -- 2.39.5