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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2020-07-24 23:20:24 +0200
committerSantosh Shilimkar <santosh.shilimkar@oracle.com>2020-07-24 23:20:24 +0200
commit4927b1ab2047dc12b3c16f7b84ab95145cd3b79d (patch)
treeced5446f12fff6b294ae21a1bf83c9b11fcce01c /drivers/dma/ti/k3-udma-glue.c
parentsoc: ti: k3-ringacc: separate soc specific initialization (diff)
downloadlinux-4927b1ab2047dc12b3c16f7b84ab95145cd3b79d.tar.xz
linux-4927b1ab2047dc12b3c16f7b84ab95145cd3b79d.zip
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-glue.c')
-rw-r--r--drivers/dma/ti/k3-udma-glue.c42
1 files changed, 13 insertions, 29 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: