ar71xx: ag71xx: get max_frame_len and desc_pktlen_mask from platform data

This will allow to use SoC specific values for both.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 39145

target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c

@@ -786,6 +786,9 @@ void __init ath79_register_eth(unsigned int id)
 
 	pdata = pdev->dev.platform_data;
 
+	pdata->max_frame_len = 1540;
+	pdata->desc_pktlen_mask = 0xfff;
+
 	err = ath79_setup_phy_if_mode(id, pdata);
 	if (err) {
 		printk(KERN_ERR

target/linux/ar71xx/files/arch/mips/include/asm/mach-ath79/ag71xx_platform.h

@@ -45,6 +45,9 @@ struct ag71xx_platform_data {
 	u32		fifo_cfg1;
 	u32		fifo_cfg2;
 	u32		fifo_cfg3;
+
+	unsigned int	max_frame_len;
+	unsigned int	desc_pktlen_mask;
 };
 
 struct ag71xx_mdio_platform_data {

target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_main.c

@@ -1124,6 +1124,9 @@ static int ag71xx_probe(struct platform_device *pdev)
 		goto err_out;
 	}
 
+	if (!pdata->max_frame_len || !pdata->desc_pktlen_mask)
+		return -EINVAL;
+
 	SET_NETDEV_DEV(dev, &pdev->dev);
 
 	ag = netdev_priv(dev);
@@ -1169,8 +1172,8 @@ static int ag71xx_probe(struct platform_device *pdev)
 	ag->tx_ring.size = AG71XX_TX_RING_SIZE_DEFAULT;
 	ag->rx_ring.size = AG71XX_RX_RING_SIZE_DEFAULT;
 
-	ag->max_frame_len = AG71XX_TX_MTU_LEN;
-	ag->desc_pktlen_mask = DESC_PKTLEN_MASK;
+	ag->max_frame_len = pdata->max_frame_len;
+	ag->desc_pktlen_mask = pdata->desc_pktlen_mask;
 
 	ag->stop_desc = dma_alloc_coherent(NULL,
 		sizeof(struct ag71xx_desc), &ag->stop_desc_dma, GFP_KERNEL);