dma: ti: k3-udma: Switch to exposed ring mode
authorVignesh Raghavendra <vigneshr@ti.com>
Mon, 9 Dec 2019 04:55:37 +0000 (10:25 +0530)
committerLokesh Vutla <lokeshvutla@ti.com>
Mon, 20 Jan 2020 04:40:28 +0000 (10:10 +0530)
Exposed ring mode works well with 32 bit and 64 bit cores without need
for Proxies for 32 bit cores. Therefore switch to exposed ring mode.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
drivers/dma/ti/k3-udma.c

index d93019c3a206a802a5bd729ff565e54fb5025731..68affe0b7c3c9a2992b8e06bc27a440337e5184c 100644 (file)
@@ -781,7 +781,7 @@ static int udma_alloc_tx_resources(struct udma_chan *uc)
        memset(&ring_cfg, 0, sizeof(ring_cfg));
        ring_cfg.size = 16;
        ring_cfg.elm_size = K3_NAV_RINGACC_RING_ELSIZE_8;
-       ring_cfg.mode = K3_NAV_RINGACC_RING_MODE_MESSAGE;
+       ring_cfg.mode = K3_NAV_RINGACC_RING_MODE_RING;
 
        ret = k3_nav_ringacc_ring_cfg(uc->tchan->t_ring, &ring_cfg);
        ret |= k3_nav_ringacc_ring_cfg(uc->tchan->tc_ring, &ring_cfg);
@@ -858,7 +858,7 @@ static int udma_alloc_rx_resources(struct udma_chan *uc)
        memset(&ring_cfg, 0, sizeof(ring_cfg));
        ring_cfg.size = 16;
        ring_cfg.elm_size = K3_NAV_RINGACC_RING_ELSIZE_8;
-       ring_cfg.mode = K3_NAV_RINGACC_RING_MODE_MESSAGE;
+       ring_cfg.mode = K3_NAV_RINGACC_RING_MODE_RING;
 
        ret = k3_nav_ringacc_ring_cfg(uc->rchan->fd_ring, &ring_cfg);
        ret |= k3_nav_ringacc_ring_cfg(uc->rchan->r_ring, &ring_cfg);