realtek: eth: align dma variables

The driver uses rx_data_dma and tx_dma although they have an
identical meaning. Align their naming.

Link: https://github.com/openwrt/openwrt/pull/24245
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>

diff --git a/target/linux/realtek/files-6.18/drivers/net/ethernet/rtl838x_eth.c b/target/linux/realtek/files-6.18/drivers/net/ethernet/rtl838x_eth.c
index b3a07124dc6d4376db46c9c8392fc9874e50ede8..f985ef941c74e2f964206383cee18dce771eca6d 100644 (file)
--- a/target/linux/realtek/files-6.18/drivers/net/ethernet/rtl838x_eth.c
+++ b/target/linux/realtek/files-6.18/drivers/net/ethernet/rtl838x_eth.c
@@ -123,7 +123,7 @@ struct rteth_ctrl {
        u32 lastEvent;
        struct metadata_dst *dsa_meta[RTETH_931X_CPU_PORT];
        /* receive handling */
-       dma_addr_t              rx_data_dma;
+       dma_addr_t              rx_dma;
        spinlock_t              rx_lock;
        struct rteth_rx         *rx_data;
        /* transmit handling */
@@ -544,7 +544,7 @@ static void rteth_hw_ring_setup(struct rteth_ctrl *ctrl)
 {
        for (int r = 0; r < RTETH_RX_RINGS; r++)
                regmap_write(ctrl->map, ctrl->r->dma_rx_base + r * 4,
-                            ctrl->rx_data_dma +
+                            ctrl->rx_dma +
                             r * sizeof(struct rteth_rx) + offsetof(struct rteth_rx, ring));
 
        for (int r = 0; r < RTETH_TX_RINGS; r++)
@@ -706,7 +706,7 @@ static int rteth_setup_ring_buffer(struct rteth_ctrl *ctrl)
                                    + ctrl->r->skb_headroom + offset;
                        packet->page = page;
                        packet->page_offset = offset;
-                       ctrl->rx_data[r].ring[i] = ctrl->rx_data_dma +
+                       ctrl->rx_data[r].ring[i] = ctrl->rx_dma +
                                                   sizeof(struct rteth_rx) * r +
                                                   offsetof(struct rteth_rx, packet) +
                                                   sizeof(struct rteth_packet) * i +
@@ -1772,7 +1772,7 @@ static int rteth_probe(struct platform_device *pdev)
        }
 
        ctrl->rx_data = dmam_alloc_coherent(&pdev->dev, sizeof(struct rteth_rx) * RTETH_RX_RINGS,
-                                           &ctrl->rx_data_dma, GFP_KERNEL);
+                                           &ctrl->rx_dma, GFP_KERNEL);
        ctrl->tx_data = dmam_alloc_coherent(&pdev->dev, sizeof(struct rteth_tx) * RTETH_TX_RINGS,
                                            &ctrl->tx_dma, GFP_KERNEL);