Linux-libre 4.3.2-gnu

12 files changed, 358 insertions, 318 deletions

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
index e817a1a44..b1e5f2470 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
@@ -16,6 +16,46 @@
 #include "stmmac.h"
 #include "stmmac_platform.h"
 
+static int dwmac_generic_probe(struct platform_device *pdev)
+{
+	struct plat_stmmacenet_data *plat_dat;
+	struct stmmac_resources stmmac_res;
+	int ret;
+
+	ret = stmmac_get_platform_resources(pdev, &stmmac_res);
+	if (ret)
+		return ret;
+
+	if (pdev->dev.of_node) {
+		plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+		if (IS_ERR(plat_dat)) {
+			dev_err(&pdev->dev, "dt configuration failed\n");
+			return PTR_ERR(plat_dat);
+		}
+	} else {
+		plat_dat = dev_get_platdata(&pdev->dev);
+		if (!plat_dat) {
+			dev_err(&pdev->dev, "no platform data provided\n");
+			return  -EINVAL;
+		}
+
+		/* Set default value for multicast hash bins */
+		plat_dat->multicast_filter_bins = HASH_TABLE_SIZE;
+
+		/* Set default value for unicast filter entries */
+		plat_dat->unicast_filter_entries = 1;
+	}
+
+	/* Custom initialisation (if needed) */
+	if (plat_dat->init) {
+		ret = plat_dat->init(pdev, plat_dat->bsp_priv);
+		if (ret)
+			return ret;
+	}
+
+	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+}
+
 static const struct of_device_id dwmac_generic_match[] = {
 	{ .compatible = "st,spear600-gmac"},
 	{ .compatible = "snps,dwmac-3.610"},
@@ -27,7 +67,7 @@ static const struct of_device_id dwmac_generic_match[] = {
 MODULE_DEVICE_TABLE(of, dwmac_generic_match);
 
 static struct platform_driver dwmac_generic_driver = {
-	.probe  = stmmac_pltfr_probe,
+	.probe  = dwmac_generic_probe,
 	.remove = stmmac_pltfr_remove,
 	.driver = {
 		.name           = STMMAC_RESOURCE_NAME,
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
index f0e4bb4e3..9d89bdbf0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
@@ -248,23 +248,40 @@ static void *ipq806x_gmac_of_parse(struct ipq806x_gmac *gmac)
 	return NULL;
 }
 
-static void *ipq806x_gmac_setup(struct platform_device *pdev)
+static void ipq806x_gmac_fix_mac_speed(void *priv, unsigned int speed)
+{
+	struct ipq806x_gmac *gmac = priv;
+
+	ipq806x_gmac_set_speed(gmac, speed);
+}
+
+static int ipq806x_gmac_probe(struct platform_device *pdev)
 {
+	struct plat_stmmacenet_data *plat_dat;
+	struct stmmac_resources stmmac_res;
 	struct device *dev = &pdev->dev;
 	struct ipq806x_gmac *gmac;
 	int val;
 	void *err;
 
+	val = stmmac_get_platform_resources(pdev, &stmmac_res);
+	if (val)
+		return val;
+
+	plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+	if (IS_ERR(plat_dat))
+		return PTR_ERR(plat_dat);
+
 	gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
 	if (!gmac)
-		return ERR_PTR(-ENOMEM);
+		return -ENOMEM;
 
 	gmac->pdev = pdev;
 
 	err = ipq806x_gmac_of_parse(gmac);
-	if (err) {
+	if (IS_ERR(err)) {
 		dev_err(dev, "device tree parsing error\n");
-		return err;
+		return PTR_ERR(err);
 	}
 
 	regmap_write(gmac->qsgmii_csr, QSGMII_PCS_CAL_LCKDT_CTL,
@@ -285,7 +302,7 @@ static void *ipq806x_gmac_setup(struct platform_device *pdev)
 	default:
 		dev_err(&pdev->dev, "Unsupported PHY mode: \"%s\"\n",
 			phy_modes(gmac->phy_mode));
-		return NULL;
+		return -EINVAL;
 	}
 	regmap_write(gmac->nss_common, NSS_COMMON_GMAC_CTL(gmac->id), val);
 
@@ -304,7 +321,7 @@ static void *ipq806x_gmac_setup(struct platform_device *pdev)
 	default:
 		dev_err(&pdev->dev, "Unsupported PHY mode: \"%s\"\n",
 			phy_modes(gmac->phy_mode));
-		return NULL;
+		return -EINVAL;
 	}
 	regmap_write(gmac->nss_common, NSS_COMMON_CLK_SRC_CTRL, val);
 
@@ -327,30 +344,21 @@ static void *ipq806x_gmac_setup(struct platform_device *pdev)
 			     0xC << QSGMII_PHY_TX_DRV_AMP_OFFSET);
 	}
 
-	return gmac;
-}
+	plat_dat->has_gmac = true;
+	plat_dat->bsp_priv = gmac;
+	plat_dat->fix_mac_speed = ipq806x_gmac_fix_mac_speed;
 
-static void ipq806x_gmac_fix_mac_speed(void *priv, unsigned int speed)
-{
-	struct ipq806x_gmac *gmac = priv;
-
-	ipq806x_gmac_set_speed(gmac, speed);
+	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 }
 
-static const struct stmmac_of_data ipq806x_gmac_data = {
-	.has_gmac	= 1,
-	.setup		= ipq806x_gmac_setup,
-	.fix_mac_speed	= ipq806x_gmac_fix_mac_speed,
-};
-
 static const struct of_device_id ipq806x_gmac_dwmac_match[] = {
-	{ .compatible = "qcom,ipq806x-gmac", .data = &ipq806x_gmac_data },
+	{ .compatible = "qcom,ipq806x-gmac" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, ipq806x_gmac_dwmac_match);
 
 static struct platform_driver ipq806x_gmac_dwmac_driver = {
-	.probe = stmmac_pltfr_probe,
+	.probe = ipq806x_gmac_probe,
 	.remove = stmmac_pltfr_remove,
 	.driver = {
 		.name		= "ipq806x-gmac-dwmac",
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c
index cb888d3eb..78e9d1861 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-lpc18xx.c
@@ -25,66 +25,53 @@
 # define LPC18XX_CREG_CREG6_ETHMODE_MII		0x0
 # define LPC18XX_CREG_CREG6_ETHMODE_RMII	0x4
 
-struct lpc18xx_dwmac_priv_data {
+static int lpc18xx_dwmac_probe(struct platform_device *pdev)
+{
+	struct plat_stmmacenet_data *plat_dat;
+	struct stmmac_resources stmmac_res;
 	struct regmap *reg;
-	int interface;
-};
+	u8 ethmode;
+	int ret;
 
-static void *lpc18xx_dwmac_setup(struct platform_device *pdev)
-{
-	struct lpc18xx_dwmac_priv_data *dwmac;
+	ret = stmmac_get_platform_resources(pdev, &stmmac_res);
+	if (ret)
+		return ret;
 
-	dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);
-	if (!dwmac)
-		return ERR_PTR(-ENOMEM);
+	plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+	if (IS_ERR(plat_dat))
+		return PTR_ERR(plat_dat);
 
-	dwmac->interface = of_get_phy_mode(pdev->dev.of_node);
-	if (dwmac->interface < 0)
-		return ERR_PTR(dwmac->interface);
+	plat_dat->has_gmac = true;
 
-	dwmac->reg = syscon_regmap_lookup_by_compatible("nxp,lpc1850-creg");
-	if (IS_ERR(dwmac->reg)) {
-		dev_err(&pdev->dev, "Syscon lookup failed\n");
-		return dwmac->reg;
+	reg = syscon_regmap_lookup_by_compatible("nxp,lpc1850-creg");
+	if (IS_ERR(reg)) {
+		dev_err(&pdev->dev, "syscon lookup failed\n");
+		return PTR_ERR(reg);
 	}
 
-	return dwmac;
-}
-
-static int lpc18xx_dwmac_init(struct platform_device *pdev, void *priv)
-{
-	struct lpc18xx_dwmac_priv_data *dwmac = priv;
-	u8 ethmode;
-
-	if (dwmac->interface == PHY_INTERFACE_MODE_MII) {
+	if (plat_dat->interface == PHY_INTERFACE_MODE_MII) {
 		ethmode = LPC18XX_CREG_CREG6_ETHMODE_MII;
-	} else if (dwmac->interface == PHY_INTERFACE_MODE_RMII) {
+	} else if (plat_dat->interface == PHY_INTERFACE_MODE_RMII) {
 		ethmode = LPC18XX_CREG_CREG6_ETHMODE_RMII;
 	} else {
 		dev_err(&pdev->dev, "Only MII and RMII mode supported\n");
 		return -EINVAL;
 	}
 
-	regmap_update_bits(dwmac->reg, LPC18XX_CREG_CREG6,
+	regmap_update_bits(reg, LPC18XX_CREG_CREG6,
 			   LPC18XX_CREG_CREG6_ETHMODE_MASK, ethmode);
 
-	return 0;
+	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 }
 
-static const struct stmmac_of_data lpc18xx_dwmac_data = {
-	.has_gmac = 1,
-	.setup = lpc18xx_dwmac_setup,
-	.init = lpc18xx_dwmac_init,
-};
-
 static const struct of_device_id lpc18xx_dwmac_match[] = {
-	{ .compatible = "nxp,lpc1850-dwmac", .data = &lpc18xx_dwmac_data },
+	{ .compatible = "nxp,lpc1850-dwmac" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, lpc18xx_dwmac_match);
 
 static struct platform_driver lpc18xx_dwmac_driver = {
-	.probe  = stmmac_pltfr_probe,
+	.probe  = lpc18xx_dwmac_probe,
 	.remove = stmmac_pltfr_remove,
 	.driver = {
 		.name           = "lpc18xx-dwmac",
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c
index 61a324a87..c1bac1912 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c
@@ -47,36 +47,45 @@ static void meson6_dwmac_fix_mac_speed(void *priv, unsigned int speed)
 	writel(val, dwmac->reg);
 }
 
-static void *meson6_dwmac_setup(struct platform_device *pdev)
+static int meson6_dwmac_probe(struct platform_device *pdev)
 {
+	struct plat_stmmacenet_data *plat_dat;
+	struct stmmac_resources stmmac_res;
 	struct meson_dwmac *dwmac;
 	struct resource *res;
+	int ret;
+
+	ret = stmmac_get_platform_resources(pdev, &stmmac_res);
+	if (ret)
+		return ret;
+
+	plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+	if (IS_ERR(plat_dat))
+		return PTR_ERR(plat_dat);
 
 	dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);
 	if (!dwmac)
-		return ERR_PTR(-ENOMEM);
+		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 	dwmac->reg = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(dwmac->reg))
-		return ERR_CAST(dwmac->reg);
+		return PTR_ERR(dwmac->reg);
 
-	return dwmac;
-}
+	plat_dat->bsp_priv = dwmac;
+	plat_dat->fix_mac_speed = meson6_dwmac_fix_mac_speed;
 
-static const struct stmmac_of_data meson6_dwmac_data = {
-	.setup		= meson6_dwmac_setup,
-	.fix_mac_speed	= meson6_dwmac_fix_mac_speed,
-};
+	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+}
 
 static const struct of_device_id meson6_dwmac_match[] = {
-	{ .compatible = "amlogic,meson6-dwmac", .data = &meson6_dwmac_data},
+	{ .compatible = "amlogic,meson6-dwmac" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, meson6_dwmac_match);
 
 static struct platform_driver meson6_dwmac_driver = {
-	.probe  = stmmac_pltfr_probe,
+	.probe  = meson6_dwmac_probe,
 	.remove = stmmac_pltfr_remove,
 	.driver = {
 		.name           = "meson6-dwmac",
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 00a1e1e09..11baa4b19 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -46,7 +46,7 @@ struct rk_priv_data {
 	struct platform_device *pdev;
 	int phy_iface;
 	struct regulator *regulator;
-	struct rk_gmac_ops *ops;
+	const struct rk_gmac_ops *ops;
 
 	bool clk_enabled;
 	bool clock_input;
@@ -177,7 +177,7 @@ static void rk3288_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 	}
 }
 
-struct rk_gmac_ops rk3288_ops = {
+static const struct rk_gmac_ops rk3288_ops = {
 	.set_to_rgmii = rk3288_set_to_rgmii,
 	.set_to_rmii = rk3288_set_to_rmii,
 	.set_rgmii_speed = rk3288_set_rgmii_speed,
@@ -289,7 +289,7 @@ static void rk3368_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 	}
 }
 
-struct rk_gmac_ops rk3368_ops = {
+static const struct rk_gmac_ops rk3368_ops = {
 	.set_to_rgmii = rk3368_set_to_rgmii,
 	.set_to_rmii = rk3368_set_to_rmii,
 	.set_rgmii_speed = rk3368_set_rgmii_speed,
@@ -448,7 +448,7 @@ static int phy_power_on(struct rk_priv_data *bsp_priv, bool enable)
 }
 
 static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev,
-					  struct rk_gmac_ops *ops)
+					  const struct rk_gmac_ops *ops)
 {
 	struct rk_priv_data *bsp_priv;
 	struct device *dev = &pdev->dev;
@@ -529,16 +529,6 @@ static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev,
 	return bsp_priv;
 }
 
-static void *rk3288_gmac_setup(struct platform_device *pdev)
-{
-	return rk_gmac_setup(pdev, &rk3288_ops);
-}
-
-static void *rk3368_gmac_setup(struct platform_device *pdev)
-{
-	return rk_gmac_setup(pdev, &rk3368_ops);
-}
-
 static int rk_gmac_init(struct platform_device *pdev, void *priv)
 {
 	struct rk_priv_data *bsp_priv = priv;
@@ -576,31 +566,52 @@ static void rk_fix_speed(void *priv, unsigned int speed)
 		dev_err(dev, "unsupported interface %d", bsp_priv->phy_iface);
 }
 
-static const struct stmmac_of_data rk3288_gmac_data = {
-	.has_gmac = 1,
-	.fix_mac_speed = rk_fix_speed,
-	.setup = rk3288_gmac_setup,
-	.init = rk_gmac_init,
-	.exit = rk_gmac_exit,
-};
+static int rk_gmac_probe(struct platform_device *pdev)
+{
+	struct plat_stmmacenet_data *plat_dat;
+	struct stmmac_resources stmmac_res;
+	const struct rk_gmac_ops *data;
+	int ret;
 
-static const struct stmmac_of_data rk3368_gmac_data = {
-	.has_gmac = 1,
-	.fix_mac_speed = rk_fix_speed,
-	.setup = rk3368_gmac_setup,
-	.init = rk_gmac_init,
-	.exit = rk_gmac_exit,
-};
+	data = of_device_get_match_data(&pdev->dev);
+	if (!data) {
+		dev_err(&pdev->dev, "no of match data provided\n");
+		return -EINVAL;
+	}
+
+	ret = stmmac_get_platform_resources(pdev, &stmmac_res);
+	if (ret)
+		return ret;
+
+	plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+	if (IS_ERR(plat_dat))
+		return PTR_ERR(plat_dat);
+
+	plat_dat->has_gmac = true;
+	plat_dat->init = rk_gmac_init;
+	plat_dat->exit = rk_gmac_exit;
+	plat_dat->fix_mac_speed = rk_fix_speed;
+
+	plat_dat->bsp_priv = rk_gmac_setup(pdev, data);
+	if (IS_ERR(plat_dat->bsp_priv))
+		return PTR_ERR(plat_dat->bsp_priv);
+
+	ret = rk_gmac_init(pdev, plat_dat->bsp_priv);
+	if (ret)
+		return ret;
+
+	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+}
 
 static const struct of_device_id rk_gmac_dwmac_match[] = {
-	{ .compatible = "rockchip,rk3288-gmac", .data = &rk3288_gmac_data},
-	{ .compatible = "rockchip,rk3368-gmac", .data = &rk3368_gmac_data},
+	{ .compatible = "rockchip,rk3288-gmac", .data = &rk3288_ops },
+	{ .compatible = "rockchip,rk3368-gmac", .data = &rk3368_ops },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, rk_gmac_dwmac_match);
 
 static struct platform_driver rk_gmac_dwmac_driver = {
-	.probe  = stmmac_pltfr_probe,
+	.probe  = rk_gmac_probe,
 	.remove = stmmac_pltfr_remove,
 	.driver = {
 		.name           = "rk_gmac-dwmac",
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
index 8141c5b84..401383b25 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -175,31 +175,6 @@ static int socfpga_dwmac_setup(struct socfpga_dwmac *dwmac)
 	return 0;
 }
 
-static void *socfpga_dwmac_probe(struct platform_device *pdev)
-{
-	struct device		*dev = &pdev->dev;
-	int			ret;
-	struct socfpga_dwmac	*dwmac;
-
-	dwmac = devm_kzalloc(dev, sizeof(*dwmac), GFP_KERNEL);
-	if (!dwmac)
-		return ERR_PTR(-ENOMEM);
-
-	ret = socfpga_dwmac_parse_data(dwmac, dev);
-	if (ret) {
-		dev_err(dev, "Unable to parse OF data\n");
-		return ERR_PTR(ret);
-	}
-
-	ret = socfpga_dwmac_setup(dwmac);
-	if (ret) {
-		dev_err(dev, "couldn't setup SoC glue (%d)\n", ret);
-		return ERR_PTR(ret);
-	}
-
-	return dwmac;
-}
-
 static void socfpga_dwmac_exit(struct platform_device *pdev, void *priv)
 {
 	struct socfpga_dwmac	*dwmac = priv;
@@ -257,21 +232,58 @@ static int socfpga_dwmac_init(struct platform_device *pdev, void *priv)
 	return ret;
 }
 
-static const struct stmmac_of_data socfpga_gmac_data = {
-	.setup = socfpga_dwmac_probe,
-	.init = socfpga_dwmac_init,
-	.exit = socfpga_dwmac_exit,
-	.fix_mac_speed = socfpga_dwmac_fix_mac_speed,
-};
+static int socfpga_dwmac_probe(struct platform_device *pdev)
+{
+	struct plat_stmmacenet_data *plat_dat;
+	struct stmmac_resources stmmac_res;
+	struct device		*dev = &pdev->dev;
+	int			ret;
+	struct socfpga_dwmac	*dwmac;
+
+	ret = stmmac_get_platform_resources(pdev, &stmmac_res);
+	if (ret)
+		return ret;
+
+	plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+	if (IS_ERR(plat_dat))
+		return PTR_ERR(plat_dat);
+
+	dwmac = devm_kzalloc(dev, sizeof(*dwmac), GFP_KERNEL);
+	if (!dwmac)
+		return -ENOMEM;
+
+	ret = socfpga_dwmac_parse_data(dwmac, dev);
+	if (ret) {
+		dev_err(dev, "Unable to parse OF data\n");
+		return ret;
+	}
+
+	ret = socfpga_dwmac_setup(dwmac);
+	if (ret) {
+		dev_err(dev, "couldn't setup SoC glue (%d)\n", ret);
+		return ret;
+	}
+
+	plat_dat->bsp_priv = dwmac;
+	plat_dat->init = socfpga_dwmac_init;
+	plat_dat->exit = socfpga_dwmac_exit;
+	plat_dat->fix_mac_speed = socfpga_dwmac_fix_mac_speed;
+
+	ret = socfpga_dwmac_init(pdev, plat_dat->bsp_priv);
+	if (ret)
+		return ret;
+
+	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+}
 
 static const struct of_device_id socfpga_dwmac_match[] = {
-	{ .compatible = "altr,socfpga-stmmac", .data = &socfpga_gmac_data },
+	{ .compatible = "altr,socfpga-stmmac" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, socfpga_dwmac_match);
 
 static struct platform_driver socfpga_dwmac_driver = {
-	.probe  = stmmac_pltfr_probe,
+	.probe  = socfpga_dwmac_probe,
 	.remove = stmmac_pltfr_remove,
 	.driver = {
 		.name           = "socfpga-dwmac",
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
index a2e8111c5..7f6f4a4fc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
@@ -21,6 +21,7 @@
 #include <linux/regmap.h>
 #include <linux/clk.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/of_net.h>
 
 #include "stmmac_platform.h"
@@ -128,6 +129,11 @@ struct sti_dwmac {
 	struct device *dev;
 	struct regmap *regmap;
 	u32 speed;
+	void (*fix_retime_src)(void *priv, unsigned int speed);
+};
+
+struct sti_dwmac_of_data {
+	void (*fix_retime_src)(void *priv, unsigned int speed);
 };
 
 static u32 phy_intf_sels[] = {
@@ -222,8 +228,9 @@ static void stid127_fix_retime_src(void *priv, u32 spd)
 	regmap_update_bits(dwmac->regmap, reg, STID127_RETIME_SRC_MASK, val);
 }
 
-static void sti_dwmac_ctrl_init(struct sti_dwmac *dwmac)
+static int sti_dwmac_init(struct platform_device *pdev, void *priv)
 {
+	struct sti_dwmac *dwmac = priv;
 	struct regmap *regmap = dwmac->regmap;
 	int iface = dwmac->interface;
 	struct device *dev = dwmac->dev;
@@ -241,28 +248,8 @@ static void sti_dwmac_ctrl_init(struct sti_dwmac *dwmac)
 
 	val = (iface == PHY_INTERFACE_MODE_REVMII) ? 0 : ENMII;
 	regmap_update_bits(regmap, reg, ENMII_MASK, val);
-}
-
-static int stix4xx_init(struct platform_device *pdev, void *priv)
-{
-	struct sti_dwmac *dwmac = priv;
-	u32 spd = dwmac->speed;
-
-	sti_dwmac_ctrl_init(dwmac);
-
-	stih4xx_fix_retime_src(priv, spd);
-
-	return 0;
-}
 
-static int stid127_init(struct platform_device *pdev, void *priv)
-{
-	struct sti_dwmac *dwmac = priv;
-	u32 spd = dwmac->speed;
-
-	sti_dwmac_ctrl_init(dwmac);
-
-	stid127_fix_retime_src(priv, spd);
+	dwmac->fix_retime_src(priv, dwmac->speed);
 
 	return 0;
 }
@@ -334,36 +321,58 @@ static int sti_dwmac_parse_data(struct sti_dwmac *dwmac,
 	return 0;
 }
 
-static void *sti_dwmac_setup(struct platform_device *pdev)
+static int sti_dwmac_probe(struct platform_device *pdev)
 {
+	struct plat_stmmacenet_data *plat_dat;
+	const struct sti_dwmac_of_data *data;
+	struct stmmac_resources stmmac_res;
 	struct sti_dwmac *dwmac;
 	int ret;
 
+	data = of_device_get_match_data(&pdev->dev);
+	if (!data) {
+		dev_err(&pdev->dev, "No OF match data provided\n");
+		return -EINVAL;
+	}
+
+	ret = stmmac_get_platform_resources(pdev, &stmmac_res);
+	if (ret)
+		return ret;
+
+	plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+	if (IS_ERR(plat_dat))
+		return PTR_ERR(plat_dat);
+
 	dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);
 	if (!dwmac)
-		return ERR_PTR(-ENOMEM);
+		return -ENOMEM;
 
 	ret = sti_dwmac_parse_data(dwmac, pdev);
 	if (ret) {
 		dev_err(&pdev->dev, "Unable to parse OF data\n");
-		return ERR_PTR(ret);
+		return ret;
 	}
 
-	return dwmac;
+	dwmac->fix_retime_src = data->fix_retime_src;
+
+	plat_dat->bsp_priv = dwmac;
+	plat_dat->init = sti_dwmac_init;
+	plat_dat->exit = sti_dwmac_exit;
+	plat_dat->fix_mac_speed = data->fix_retime_src;
+
+	ret = sti_dwmac_init(pdev, plat_dat->bsp_priv);
+	if (ret)
+		return ret;
+
+	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 }
 
-static const struct stmmac_of_data stih4xx_dwmac_data = {
-	.fix_mac_speed = stih4xx_fix_retime_src,
-	.setup = sti_dwmac_setup,
-	.init = stix4xx_init,
-	.exit = sti_dwmac_exit,
+static const struct sti_dwmac_of_data stih4xx_dwmac_data = {
+	.fix_retime_src = stih4xx_fix_retime_src,
 };
 
-static const struct stmmac_of_data stid127_dwmac_data = {
-	.fix_mac_speed = stid127_fix_retime_src,
-	.setup = sti_dwmac_setup,
-	.init = stid127_init,
-	.exit = sti_dwmac_exit,
+static const struct sti_dwmac_of_data stid127_dwmac_data = {
+	.fix_retime_src = stid127_fix_retime_src,
 };
 
 static const struct of_device_id sti_dwmac_match[] = {
@@ -376,7 +385,7 @@ static const struct of_device_id sti_dwmac_match[] = {
 MODULE_DEVICE_TABLE(of, sti_dwmac_match);
 
 static struct platform_driver sti_dwmac_driver = {
-	.probe  = stmmac_pltfr_probe,
+	.probe  = sti_dwmac_probe,
 	.remove = stmmac_pltfr_remove,
 	.driver = {
 		.name           = "sti-dwmac",
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
index 15048ca39..52b8ed9bd 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sunxi.c
@@ -33,35 +33,6 @@ struct sunxi_priv_data {
 	struct regulator *regulator;
 };
 
-static void *sun7i_gmac_setup(struct platform_device *pdev)
-{
-	struct sunxi_priv_data *gmac;
-	struct device *dev = &pdev->dev;
-
-	gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
-	if (!gmac)
-		return ERR_PTR(-ENOMEM);
-
-	gmac->interface = of_get_phy_mode(dev->of_node);
-
-	gmac->tx_clk = devm_clk_get(dev, "allwinner_gmac_tx");
-	if (IS_ERR(gmac->tx_clk)) {
-		dev_err(dev, "could not get tx clock\n");
-		return gmac->tx_clk;
-	}
-
-	/* Optional regulator for PHY */
-	gmac->regulator = devm_regulator_get_optional(dev, "phy");
-	if (IS_ERR(gmac->regulator)) {
-		if (PTR_ERR(gmac->regulator) == -EPROBE_DEFER)
-			return ERR_PTR(-EPROBE_DEFER);
-		dev_info(dev, "no regulator found\n");
-		gmac->regulator = NULL;
-	}
-
-	return gmac;
-}
-
 #define SUN7I_GMAC_GMII_RGMII_RATE	125000000
 #define SUN7I_GMAC_MII_RATE		25000000
 
@@ -132,25 +103,67 @@ static void sun7i_fix_speed(void *priv, unsigned int speed)
 	}
 }
 
-/* of_data specifying hardware features and callbacks.
- * hardware features were copied from Allwinner drivers. */
-static const struct stmmac_of_data sun7i_gmac_data = {
-	.has_gmac = 1,
-	.tx_coe = 1,
-	.fix_mac_speed = sun7i_fix_speed,
-	.setup = sun7i_gmac_setup,
-	.init = sun7i_gmac_init,
-	.exit = sun7i_gmac_exit,
-};
+static int sun7i_gmac_probe(struct platform_device *pdev)
+{
+	struct plat_stmmacenet_data *plat_dat;
+	struct stmmac_resources stmmac_res;
+	struct sunxi_priv_data *gmac;
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	ret = stmmac_get_platform_resources(pdev, &stmmac_res);
+	if (ret)
+		return ret;
+
+	plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+	if (IS_ERR(plat_dat))
+		return PTR_ERR(plat_dat);
+
+	gmac = devm_kzalloc(dev, sizeof(*gmac), GFP_KERNEL);
+	if (!gmac)
+		return -ENOMEM;
+
+	gmac->interface = of_get_phy_mode(dev->of_node);
+
+	gmac->tx_clk = devm_clk_get(dev, "allwinner_gmac_tx");
+	if (IS_ERR(gmac->tx_clk)) {
+		dev_err(dev, "could not get tx clock\n");
+		return PTR_ERR(gmac->tx_clk);
+	}
+
+	/* Optional regulator for PHY */
+	gmac->regulator = devm_regulator_get_optional(dev, "phy");
+	if (IS_ERR(gmac->regulator)) {
+		if (PTR_ERR(gmac->regulator) == -EPROBE_DEFER)
+			return -EPROBE_DEFER;
+		dev_info(dev, "no regulator found\n");
+		gmac->regulator = NULL;
+	}
+
+	/* platform data specifying hardware features and callbacks.
+	 * hardware features were copied from Allwinner drivers. */
+	plat_dat->tx_coe = 1;
+	plat_dat->has_gmac = true;
+	plat_dat->bsp_priv = gmac;
+	plat_dat->init = sun7i_gmac_init;
+	plat_dat->exit = sun7i_gmac_exit;
+	plat_dat->fix_mac_speed = sun7i_fix_speed;
+
+	ret = sun7i_gmac_init(pdev, plat_dat->bsp_priv);
+	if (ret)
+		return ret;
+
+	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+}
 
 static const struct of_device_id sun7i_dwmac_match[] = {
-	{ .compatible = "allwinner,sun7i-a20-gmac", .data = &sun7i_gmac_data},
+	{ .compatible = "allwinner,sun7i-a20-gmac" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, sun7i_dwmac_match);
 
 static struct platform_driver sun7i_dwmac_driver = {
-	.probe  = stmmac_pltfr_probe,
+	.probe  = sun7i_gmac_probe,
 	.remove = stmmac_pltfr_remove,
 	.driver = {
 		.name           = "sun7i-dwmac",
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index 771cda2a4..2e51b816a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -721,10 +721,13 @@ static int stmmac_get_ts_info(struct net_device *dev,
 {
 	struct stmmac_priv *priv = netdev_priv(dev);
 
-	if ((priv->hwts_tx_en) && (priv->hwts_rx_en)) {
+	if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) {
 
-		info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
+		info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
+					SOF_TIMESTAMPING_TX_HARDWARE |
+					SOF_TIMESTAMPING_RX_SOFTWARE |
 					SOF_TIMESTAMPING_RX_HARDWARE |
+					SOF_TIMESTAMPING_SOFTWARE |
 					SOF_TIMESTAMPING_RAW_HARDWARE;
 
 		if (priv->ptp_clock)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index b735fa22a..ebf6abc48 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -161,11 +161,16 @@ int stmmac_mdio_reset(struct mii_bus *bus)
 
 		if (!gpio_request(reset_gpio, "mdio-reset")) {
 			gpio_direction_output(reset_gpio, active_low ? 1 : 0);
-			udelay(data->delays[0]);
+			if (data->delays[0])
+				msleep(DIV_ROUND_UP(data->delays[0], 1000));
+
 			gpio_set_value(reset_gpio, active_low ? 0 : 1);
-			udelay(data->delays[1]);
+			if (data->delays[1])
+				msleep(DIV_ROUND_UP(data->delays[1], 1000));
+
 			gpio_set_value(reset_gpio, active_low ? 1 : 0);
-			udelay(data->delays[2]);
+			if (data->delays[2])
+				msleep(DIV_ROUND_UP(data->delays[2], 1000));
 		}
 	}
 #endif
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index bcdc8955c..d02691ba3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -104,32 +104,16 @@ static int dwmac1000_validate_ucast_entries(int ucast_entries)
  * this function is to read the driver parameters from device-tree and
  * set some private fields that will be used by the main at runtime.
  */
-static int stmmac_probe_config_dt(struct platform_device *pdev,
-				  struct plat_stmmacenet_data *plat,
-				  const char **mac)
+struct plat_stmmacenet_data *
+stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
 {
 	struct device_node *np = pdev->dev.of_node;
+	struct plat_stmmacenet_data *plat;
 	struct stmmac_dma_cfg *dma_cfg;
-	const struct of_device_id *device;
-	struct device *dev = &pdev->dev;
-
-	device = of_match_device(dev->driver->of_match_table, dev);
-	if (device->data) {
-		const struct stmmac_of_data *data = device->data;
-		plat->has_gmac = data->has_gmac;
-		plat->enh_desc = data->enh_desc;
-		plat->tx_coe = data->tx_coe;
-		plat->rx_coe = data->rx_coe;
-		plat->bugged_jumbo = data->bugged_jumbo;
-		plat->pmt = data->pmt;
-		plat->riwt_off = data->riwt_off;
-		plat->fix_mac_speed = data->fix_mac_speed;
-		plat->bus_setup = data->bus_setup;
-		plat->setup = data->setup;
-		plat->free = data->free;
-		plat->init = data->init;
-		plat->exit = data->exit;
-	}
+
+	plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
+	if (!plat)
+		return ERR_PTR(-ENOMEM);
 
 	*mac = of_get_mac_address(np);
 	plat->interface = of_get_phy_mode(np);
@@ -151,7 +135,7 @@ static int stmmac_probe_config_dt(struct platform_device *pdev,
 	/* If phy-handle is not specified, check if we have a fixed-phy */
 	if (!plat->phy_node && of_phy_is_fixed_link(np)) {
 		if ((of_phy_register_fixed_link(np) < 0))
-			return -ENODEV;
+			return ERR_PTR(-ENODEV);
 
 		plat->phy_node = of_node_get(np);
 	}
@@ -182,6 +166,12 @@ static int stmmac_probe_config_dt(struct platform_device *pdev,
 	 */
 	plat->maxmtu = JUMBO_LEN;
 
+	/* Set default value for multicast hash bins */
+	plat->multicast_filter_bins = HASH_TABLE_SIZE;
+
+	/* Set default value for unicast filter entries */
+	plat->unicast_filter_entries = 1;
+
 	/*
 	 * Currently only the properties needed on SPEAr600
 	 * are provided. All other properties should be added
@@ -222,7 +212,7 @@ static int stmmac_probe_config_dt(struct platform_device *pdev,
 				       GFP_KERNEL);
 		if (!dma_cfg) {
 			of_node_put(np);
-			return -ENOMEM;
+			return ERR_PTR(-ENOMEM);
 		}
 		plat->dma_cfg = dma_cfg;
 		of_property_read_u32(np, "snps,pbl", &dma_cfg->pbl);
@@ -240,44 +230,34 @@ static int stmmac_probe_config_dt(struct platform_device *pdev,
 		pr_warn("force_sf_dma_mode is ignored if force_thresh_dma_mode is set.");
 	}
 
-	return 0;
+	return plat;
 }
 #else
-static int stmmac_probe_config_dt(struct platform_device *pdev,
-				  struct plat_stmmacenet_data *plat,
-				  const char **mac)
+struct plat_stmmacenet_data *
+stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
 {
-	return -ENOSYS;
+	return ERR_PTR(-ENOSYS);
 }
 #endif /* CONFIG_OF */
+EXPORT_SYMBOL_GPL(stmmac_probe_config_dt);
 
-/**
- * stmmac_pltfr_probe - platform driver probe.
- * @pdev: platform device pointer
- * Description: platform_device probe function. It is to allocate
- * the necessary platform resources, invoke custom helper (if required) and
- * invoke the main probe function.
- */
-int stmmac_pltfr_probe(struct platform_device *pdev)
+int stmmac_get_platform_resources(struct platform_device *pdev,
+				  struct stmmac_resources *stmmac_res)
 {
-	struct stmmac_resources stmmac_res;
-	int ret = 0;
 	struct resource *res;
-	struct device *dev = &pdev->dev;
-	struct plat_stmmacenet_data *plat_dat = NULL;
 
-	memset(&stmmac_res, 0, sizeof(stmmac_res));
+	memset(stmmac_res, 0, sizeof(*stmmac_res));
 
 	/* Get IRQ information early to have an ability to ask for deferred
 	 * probe if needed before we went too far with resource allocation.
 	 */
-	stmmac_res.irq = platform_get_irq_byname(pdev, "macirq");
-	if (stmmac_res.irq < 0) {
-		if (stmmac_res.irq != -EPROBE_DEFER) {
-			dev_err(dev,
+	stmmac_res->irq = platform_get_irq_byname(pdev, "macirq");
+	if (stmmac_res->irq < 0) {
+		if (stmmac_res->irq != -EPROBE_DEFER) {
+			dev_err(&pdev->dev,
 				"MAC IRQ configuration information not found\n");
 		}
-		return stmmac_res.irq;
+		return stmmac_res->irq;
 	}
 
 	/* On some platforms e.g. SPEAr the wake up irq differs from the mac irq
@@ -287,64 +267,23 @@ int stmmac_pltfr_probe(struct platform_device *pdev)
 	 * In case the wake up interrupt is not passed from the platform
 	 * so the driver will continue to use the mac irq (ndev->irq)
 	 */
-	stmmac_res.wol_irq = platform_get_irq_byname(pdev, "eth_wake_irq");
-	if (stmmac_res.wol_irq < 0) {
-		if (stmmac_res.wol_irq == -EPROBE_DEFER)
+	stmmac_res->wol_irq = platform_get_irq_byname(pdev, "eth_wake_irq");
+	if (stmmac_res->wol_irq < 0) {
+		if (stmmac_res->wol_irq == -EPROBE_DEFER)
 			return -EPROBE_DEFER;
-		stmmac_res.wol_irq = stmmac_res.irq;
+		stmmac_res->wol_irq = stmmac_res->irq;
 	}
 
-	stmmac_res.lpi_irq = platform_get_irq_byname(pdev, "eth_lpi");
-	if (stmmac_res.lpi_irq == -EPROBE_DEFER)
+	stmmac_res->lpi_irq = platform_get_irq_byname(pdev, "eth_lpi");
+	if (stmmac_res->lpi_irq == -EPROBE_DEFER)
 		return -EPROBE_DEFER;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	stmmac_res.addr = devm_ioremap_resource(dev, res);
-	if (IS_ERR(stmmac_res.addr))
-		return PTR_ERR(stmmac_res.addr);
-
-	plat_dat = dev_get_platdata(&pdev->dev);
-
-	if (!plat_dat)
-		plat_dat = devm_kzalloc(&pdev->dev,
-					sizeof(struct plat_stmmacenet_data),
-					GFP_KERNEL);
-	if (!plat_dat) {
-		pr_err("%s: ERROR: no memory", __func__);
-		return  -ENOMEM;
-	}
-
-	/* Set default value for multicast hash bins */
-	plat_dat->multicast_filter_bins = HASH_TABLE_SIZE;
-
-	/* Set default value for unicast filter entries */
-	plat_dat->unicast_filter_entries = 1;
-
-	if (pdev->dev.of_node) {
-		ret = stmmac_probe_config_dt(pdev, plat_dat, &stmmac_res.mac);
-		if (ret) {
-			pr_err("%s: main dt probe failed", __func__);
-			return ret;
-		}
-	}
+	stmmac_res->addr = devm_ioremap_resource(&pdev->dev, res);
 
-	/* Custom setup (if needed) */
-	if (plat_dat->setup) {
-		plat_dat->bsp_priv = plat_dat->setup(pdev);
-		if (IS_ERR(plat_dat->bsp_priv))
-			return PTR_ERR(plat_dat->bsp_priv);
-	}
-
-	/* Custom initialisation (if needed)*/
-	if (plat_dat->init) {
-		ret = plat_dat->init(pdev, plat_dat->bsp_priv);
-		if (unlikely(ret))
-			return ret;
-	}
-
-	return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+	return PTR_ERR_OR_ZERO(stmmac_res->addr);
 }
-EXPORT_SYMBOL_GPL(stmmac_pltfr_probe);
+EXPORT_SYMBOL_GPL(stmmac_get_platform_resources);
 
 /**
  * stmmac_pltfr_remove
@@ -361,9 +300,6 @@ int stmmac_pltfr_remove(struct platform_device *pdev)
 	if (priv->plat->exit)
 		priv->plat->exit(pdev, priv->plat->bsp_priv);
 
-	if (priv->plat->free)
-		priv->plat->free(pdev, priv->plat->bsp_priv);
-
 	return ret;
 }
 EXPORT_SYMBOL_GPL(stmmac_pltfr_remove);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
index 71da86d7b..ffeb8d9e2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.h
@@ -19,7 +19,14 @@
 #ifndef __STMMAC_PLATFORM_H__
 #define __STMMAC_PLATFORM_H__
 
-int stmmac_pltfr_probe(struct platform_device *pdev);
+#include "stmmac.h"
+
+struct plat_stmmacenet_data *
+stmmac_probe_config_dt(struct platform_device *pdev, const char **mac);
+
+int stmmac_get_platform_resources(struct platform_device *pdev,
+				  struct stmmac_resources *stmmac_res);
+
 int stmmac_pltfr_remove(struct platform_device *pdev);
 extern const struct dev_pm_ops stmmac_pltfr_pm_ops;