diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-07-25 00:20:24 +0300 |
|---|---|---|
| committer | Santosh Shilimkar <santosh.shilimkar@oracle.com> | 2020-07-25 00:20:24 +0300 |
| commit | 4927b1ab2047dc12b3c16f7b84ab95145cd3b79d (patch) | |
| tree | ced5446f12fff6b294ae21a1bf83c9b11fcce01c /drivers/dma/ti/k3-udma.c | |
| parent | 40a2a7c395cf5d95c35847ee2ec907e63593ea45 (diff) | |
| download | linux-4927b1ab2047dc12b3c16f7b84ab95145cd3b79d.tar.xz | |
dmaengine: ti: k3-udma: Switch to k3_ringacc_request_rings_pair
We only request ring pairs via K3 DMA driver, switch to use the new
k3_ringacc_request_rings_pair() to simplify the code.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Diffstat (limited to 'drivers/dma/ti/k3-udma.c')
| -rw-r--r-- | drivers/dma/ti/k3-udma.c | 34 |
1 files changed, 11 insertions, 23 deletions
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 945b7c604f91..132a633d48e8 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -1418,17 +1418,12 @@ static int udma_alloc_tx_resources(struct udma_chan *uc) if (ret) return ret; - uc->tchan->t_ring = k3_ringacc_request_ring(ud->ringacc, - uc->tchan->id, 0); - if (!uc->tchan->t_ring) { - ret = -EBUSY; - goto err_tx_ring; - } - - uc->tchan->tc_ring = k3_ringacc_request_ring(ud->ringacc, -1, 0); - if (!uc->tchan->tc_ring) { + ret = k3_ringacc_request_rings_pair(ud->ringacc, uc->tchan->id, -1, + &uc->tchan->t_ring, + &uc->tchan->tc_ring); + if (ret) { ret = -EBUSY; - goto err_txc_ring; + goto err_ring; } memset(&ring_cfg, 0, sizeof(ring_cfg)); @@ -1447,10 +1442,9 @@ static int udma_alloc_tx_resources(struct udma_chan *uc) err_ringcfg: k3_ringacc_ring_free(uc->tchan->tc_ring); uc->tchan->tc_ring = NULL; -err_txc_ring: k3_ringacc_ring_free(uc->tchan->t_ring); uc->tchan->t_ring = NULL; -err_tx_ring: +err_ring: udma_put_tchan(uc); return ret; @@ -1499,16 +1493,11 @@ static int udma_alloc_rx_resources(struct udma_chan *uc) rflow = uc->rflow; fd_ring_id = ud->tchan_cnt + ud->echan_cnt + uc->rchan->id; - rflow->fd_ring = k3_ringacc_request_ring(ud->ringacc, fd_ring_id, 0); - if (!rflow->fd_ring) { - ret = -EBUSY; - goto err_rx_ring; - } - - rflow->r_ring = k3_ringacc_request_ring(ud->ringacc, -1, 0); - if (!rflow->r_ring) { + ret = k3_ringacc_request_rings_pair(ud->ringacc, fd_ring_id, -1, + &rflow->fd_ring, &rflow->r_ring); + if (ret) { ret = -EBUSY; - goto err_rxc_ring; + goto err_ring; } memset(&ring_cfg, 0, sizeof(ring_cfg)); @@ -1533,10 +1522,9 @@ static int udma_alloc_rx_resources(struct udma_chan *uc) err_ringcfg: k3_ringacc_ring_free(rflow->r_ring); rflow->r_ring = NULL; -err_rxc_ring: k3_ringacc_ring_free(rflow->fd_ring); rflow->fd_ring = NULL; -err_rx_ring: +err_ring: udma_put_rflow(uc); err_rflow: udma_put_rchan(uc); |