dma: ti: k3-udma: Fix ring push operation for 32 bit cores

[oweals/u-boot.git] / drivers / dma / ti / k3-udma.c

diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index 68affe0b7c3c9a2992b8e06bc27a440337e5184c..a375854dcd3cd86fd3a0805d8ffe9cd59cf29b01 100644 (file)
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -1381,6 +1381,14 @@ static int udma_probe(struct udevice *dev)
        return ret;
 }
 
+static int udma_push_to_ring(struct k3_nav_ring *ring, void *elem)
+{
+       u64 addr = 0;
+
+       memcpy(&addr, &elem, sizeof(elem));
+       return k3_nav_ringacc_ring_push(ring, &addr);
+}
+
 static int *udma_prep_dma_memcpy(struct udma_chan *uc, dma_addr_t dest,
                                 dma_addr_t src, size_t len)
 {
@@ -1472,7 +1480,7 @@ static int *udma_prep_dma_memcpy(struct udma_chan *uc, dma_addr_t dest,
                           ALIGN((u64)tr_desc + desc_size,
                                 ARCH_DMA_MINALIGN));
 
-       k3_nav_ringacc_ring_push(uc->tchan->t_ring, &tr_desc);
+       udma_push_to_ring(uc->tchan->t_ring, tr_desc);
 
        return 0;
 }
@@ -1647,7 +1655,7 @@ static int udma_send(struct dma *dma, void *src, size_t len, void *metadata)
                           ALIGN((u64)desc_tx + uc->hdesc_size,
                                 ARCH_DMA_MINALIGN));
 
-       ret = k3_nav_ringacc_ring_push(uc->tchan->t_ring, &uc->desc_tx);
+       ret = udma_push_to_ring(uc->tchan->t_ring, uc->desc_tx);
        if (ret) {
                dev_err(dma->dev, "TX dma push fail ch_id %lu %d\n",
                        dma->id, ret);
@@ -1806,7 +1814,7 @@ int udma_prepare_rcv_buf(struct dma *dma, void *dst, size_t size)
                           ALIGN((u64)desc_rx + uc->hdesc_size,
                                 ARCH_DMA_MINALIGN));
 
-       k3_nav_ringacc_ring_push(uc->rchan->fd_ring, &desc_rx);
+       udma_push_to_ring(uc->rchan->fd_ring, desc_rx);
 
        uc->num_rx_bufs++;
        uc->desc_rx_cur++;