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| author | MD Danish Anwar <danishanwar@ti.com> | 2024-01-30 11:48:04 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2024-02-06 16:31:06 -0500 |
| commit | 4312a1dfca26a0b5c30ac6890b0078e8d31ff6bf (patch) | |
| tree | c480bd1d8f2bb2137b0998f72416f2dff7cf025a /drivers | |
| parent | 798ad3e6b2ec69a7dc111257270507f95559c5eb (diff) | |
| download | u-boot-4312a1dfca26a0b5c30ac6890b0078e8d31ff6bf.zip u-boot-4312a1dfca26a0b5c30ac6890b0078e8d31ff6bf.tar.gz u-boot-4312a1dfca26a0b5c30ac6890b0078e8d31ff6bf.tar.bz2 | |
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.
Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/dma/ti/k3-udma.c?h=v6.8-rc2#n1686
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Reviewed-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Diffstat (limited to 'drivers')
| -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 8a62d63..eea9ec9 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -876,13 +876,20 @@ 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) { |