Commit c16cc6a0 authored by Biao Huang's avatar Biao Huang Committed by David S. Miller
Browse files

net: ethernet: mtk-star-emac: store bit_clk_div in compat structure 



Not all the SoC are using the same clock divider. Move the divider into
a compat structure specific to the SoCs.

Signed-off-by: default avatarBiao Huang <biao.huang@mediatek.com>
Signed-off-by: default avatarFabien Parent <fparent@baylibre.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bfc71514

drivers/net/ethernet/mediatek/mtk_star_emac.c

+19 −4
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/module.h>

#include <linux/netdevice.h>

#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/of_mdio.h>

#include <linux/of_net.h>

#include <linux/platform_device.h>
@@ -231,6 +232,10 @@ struct mtk_star_ring { 
	unsigned int tail;

};



struct mtk_star_compat {

	unsigned char bit_clk_div;

};



struct mtk_star_priv {

	struct net_device *ndev;
@@ -256,6 +261,8 @@ struct mtk_star_priv { 
	int duplex;

	int pause;



	const struct mtk_star_compat *compat_data;



	/* Protects against concurrent descriptor access. */

	spinlock_t lock;
@@ -898,7 +905,7 @@ static void mtk_star_init_config(struct mtk_star_priv *priv) 
	regmap_write(priv->regs, MTK_STAR_REG_SYS_CONF, val);

	regmap_update_bits(priv->regs, MTK_STAR_REG_MAC_CLK_CONF,

			   MTK_STAR_MSK_MAC_CLK_CONF,

			   MTK_STAR_BIT_CLK_DIV_10);

			   priv->compat_data->bit_clk_div);

}



static void mtk_star_set_mode_rmii(struct mtk_star_priv *priv)
@@ -1460,6 +1467,7 @@ static int mtk_star_probe(struct platform_device *pdev) 


	priv = netdev_priv(ndev);

	priv->ndev = ndev;

	priv->compat_data = of_device_get_match_data(&pdev->dev);

	SET_NETDEV_DEV(ndev, dev);

	platform_set_drvdata(pdev, ndev);
@@ -1556,10 +1564,17 @@ static int mtk_star_probe(struct platform_device *pdev) 
}



#ifdef CONFIG_OF

static const struct mtk_star_compat mtk_star_mt8516_compat = {

	.bit_clk_div = MTK_STAR_BIT_CLK_DIV_10,

};



static const struct of_device_id mtk_star_of_match[] = {

	{ .compatible = "mediatek,mt8516-eth", },

	{ .compatible = "mediatek,mt8518-eth", },

	{ .compatible = "mediatek,mt8175-eth", },

	{ .compatible = "mediatek,mt8516-eth",

	  .data = &mtk_star_mt8516_compat },

	{ .compatible = "mediatek,mt8518-eth",

	  .data = &mtk_star_mt8516_compat },

	{ .compatible = "mediatek,mt8175-eth",

	  .data = &mtk_star_mt8516_compat },

	{ }

};

MODULE_DEVICE_TABLE(of, mtk_star_of_match);