diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 1bf5edd..7c4e63c 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1740,7 +1740,7 @@ static int mtk_rx_alloc(struct mtk_eth *eth, int ring_no, int rx_flag)
 	}
 
 	ring->dma = dma_alloc_coherent(eth->dma_dev,
-				       rx_dma_size * sizeof(*ring->dma),
+				       rx_dma_size * eth->soc->txrx.rxd_size,
 				       &ring->phys, GFP_KERNEL);
 	if (!ring->dma)
 		return -ENOMEM;
@@ -1798,9 +1798,8 @@ static void mtk_rx_clean(struct mtk_eth *eth, struct mtk_rx_ring *ring)
 
 	if (ring->dma) {
 		dma_free_coherent(eth->dma_dev,
-				  ring->dma_size * sizeof(*ring->dma),
-				  ring->dma,
-				  ring->phys);
+				  ring->dma_size * eth->soc->txrx.rxd_size,
+				  ring->dma, ring->phys);
 		ring->dma = NULL;
 	}
 }
@@ -3388,6 +3387,7 @@ static const struct mtk_soc_data mt2701_data = {
 	.required_pctl = true,
 	.txrx = {
 		.txd_size = sizeof(struct mtk_tx_dma),
+		.rxd_size = sizeof(struct mtk_rx_dma),
 	},
 };
 
@@ -3399,6 +3399,7 @@ static const struct mtk_soc_data mt7621_data = {
 	.offload_version = 2,
 	.txrx = {
 		.txd_size = sizeof(struct mtk_tx_dma),
+		.rxd_size = sizeof(struct mtk_rx_dma),
 	},
 };
 
@@ -3411,6 +3412,7 @@ static const struct mtk_soc_data mt7622_data = {
 	.offload_version = 2,
 	.txrx = {
 		.txd_size = sizeof(struct mtk_tx_dma),
+		.rxd_size = sizeof(struct mtk_rx_dma),
 	},
 };
 
@@ -3422,6 +3424,7 @@ static const struct mtk_soc_data mt7623_data = {
 	.offload_version = 2,
 	.txrx = {
 		.txd_size = sizeof(struct mtk_tx_dma),
+		.rxd_size = sizeof(struct mtk_rx_dma),
 	},
 };
 
@@ -3433,6 +3436,7 @@ static const struct mtk_soc_data mt7629_data = {
 	.required_pctl = false,
 	.txrx = {
 		.txd_size = sizeof(struct mtk_tx_dma),
+		.rxd_size = sizeof(struct mtk_rx_dma),
 	},
 };
 
@@ -3443,6 +3447,7 @@ static const struct mtk_soc_data rt5350_data = {
 	.required_pctl = false,
 	.txrx = {
 		.txd_size = sizeof(struct mtk_tx_dma),
+		.rxd_size = sizeof(struct mtk_rx_dma),
 	},
 };