diff options
author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-07-24 14:20:24 -0700 |
---|---|---|
committer | Santosh Shilimkar <santosh.shilimkar@oracle.com> | 2020-07-24 14:20:24 -0700 |
commit | 4927b1ab2047dc12b3c16f7b84ab95145cd3b79d (patch) | |
tree | ced5446f12fff6b294ae21a1bf83c9b11fcce01c /drivers/dma | |
parent | 40a2a7c395cf5d95c35847ee2ec907e63593ea45 (diff) |
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')
-rw-r--r-- | drivers/dma/ti/k3-udma-glue.c | 42 | ||||
-rw-r--r-- | drivers/dma/ti/k3-udma.c | 34 |
2 files changed, 24 insertions, 52 deletions
diff --git a/drivers/dma/ti/k3-udma-glue.c b/drivers/dma/ti/k3-udma-glue.c index 64c8955e0cf1..c888ae4fec96 100644 --- a/drivers/dma/ti/k3-udma-glue.c +++ b/drivers/dma/ti/k3-udma-glue.c @@ -271,20 +271,12 @@ struct k3_udma_glue_tx_channel *k3_udma_glue_request_tx_chn(struct device *dev, atomic_set(&tx_chn->free_pkts, cfg->txcq_cfg.size); /* request and cfg rings */ - tx_chn->ringtx = k3_ringacc_request_ring(tx_chn->common.ringacc, - tx_chn->udma_tchan_id, 0); - if (!tx_chn->ringtx) { - ret = -ENODEV; - dev_err(dev, "Failed to get TX ring %u\n", - tx_chn->udma_tchan_id); - goto err; - } - - tx_chn->ringtxcq = k3_ringacc_request_ring(tx_chn->common.ringacc, - -1, 0); - if (!tx_chn->ringtxcq) { - ret = -ENODEV; - dev_err(dev, "Failed to get TXCQ ring\n"); + ret = k3_ringacc_request_rings_pair(tx_chn->common.ringacc, + tx_chn->udma_tchan_id, -1, + &tx_chn->ringtx, + &tx_chn->ringtxcq); + if (ret) { + dev_err(dev, "Failed to get TX/TXCQ rings %d\n", ret); goto err; } @@ -587,22 +579,16 @@ static int k3_udma_glue_cfg_rx_flow(struct k3_udma_glue_rx_channel *rx_chn, } /* request and cfg rings */ - flow->ringrx = k3_ringacc_request_ring(rx_chn->common.ringacc, - flow_cfg->ring_rxq_id, 0); - if (!flow->ringrx) { - ret = -ENODEV; - dev_err(dev, "Failed to get RX ring\n"); + ret = k3_ringacc_request_rings_pair(rx_chn->common.ringacc, + flow_cfg->ring_rxq_id, + flow_cfg->ring_rxfdq0_id, + &flow->ringrxfdq, + &flow->ringrx); + if (ret) { + dev_err(dev, "Failed to get RX/RXFDQ rings %d\n", ret); goto err_rflow_put; } - flow->ringrxfdq = k3_ringacc_request_ring(rx_chn->common.ringacc, - flow_cfg->ring_rxfdq0_id, 0); - if (!flow->ringrxfdq) { - ret = -ENODEV; - dev_err(dev, "Failed to get RXFDQ ring\n"); - goto err_ringrx_free; - } - ret = k3_ringacc_ring_cfg(flow->ringrx, &flow_cfg->rx_cfg); if (ret) { dev_err(dev, "Failed to cfg ringrx %d\n", ret); @@ -673,8 +659,6 @@ static int k3_udma_glue_cfg_rx_flow(struct k3_udma_glue_rx_channel *rx_chn, err_ringrxfdq_free: k3_ringacc_ring_free(flow->ringrxfdq); - -err_ringrx_free: k3_ringacc_ring_free(flow->ringrx); err_rflow_put: 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); |