netdev - [PATCH v2 2/5] net: stmmac: dwmac-mediatek: Reuse more common features

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Date:   Thu, 11 Nov 2021 15:12:11 +0800
From:   Biao Huang <biao.huang@...iatek.com>
To:     <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Biao Huang <biao.huang@...iatek.com>, <netdev@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <srv_heupstream@...iatek.com>, <macpaul.lin@...iatek.com>
Subject: [PATCH v2 2/5] net: stmmac: dwmac-mediatek: Reuse more common features

This patch makes dwmac-mediatek reuse more features
supported by stmmac_platform.c.

Signed-off-by: Biao Huang <biao.huang@...iatek.com>
---
 .../ethernet/stmicro/stmmac/dwmac-mediatek.c  | 32 +++++++++----------
 1 file changed, 15 insertions(+), 17 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
index 157ff655c85e..6ea972e96665 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
@@ -335,22 +335,20 @@ static int mediatek_dwmac_init(struct platform_device *pdev, void *priv)
 	const struct mediatek_dwmac_variant *variant = plat->variant;
 	int ret;
 
-	ret = dma_set_mask_and_coherent(plat->dev, DMA_BIT_MASK(variant->dma_bit_mask));
-	if (ret) {
-		dev_err(plat->dev, "No suitable DMA available, err = %d\n", ret);
-		return ret;
-	}
-
-	ret = variant->dwmac_set_phy_interface(plat);
-	if (ret) {
-		dev_err(plat->dev, "failed to set phy interface, err = %d\n", ret);
-		return ret;
+	if (variant->dwmac_set_phy_interface) {
+		ret = variant->dwmac_set_phy_interface(plat);
+		if (ret) {
+			dev_err(plat->dev, "failed to set phy interface, err = %d\n", ret);
+			return ret;
+		}
 	}
 
-	ret = variant->dwmac_set_delay(plat);
-	if (ret) {
-		dev_err(plat->dev, "failed to set delay value, err = %d\n", ret);
-		return ret;
+	if (variant->dwmac_set_delay) {
+		ret = variant->dwmac_set_delay(plat);
+		if (ret) {
+			dev_err(plat->dev, "failed to set delay value, err = %d\n", ret);
+			return ret;
+		}
 	}
 
 	ret = clk_bulk_prepare_enable(plat->num_clks_to_config, plat->clks);
@@ -423,15 +421,15 @@ static int mediatek_dwmac_probe(struct platform_device *pdev)
 		return PTR_ERR(plat_dat);
 
 	plat_dat->interface = priv_plat->phy_mode;
-	plat_dat->has_gmac4 = 1;
-	plat_dat->has_gmac = 0;
-	plat_dat->pmt = 0;
+	plat_dat->use_phy_wol = 1;
 	plat_dat->riwt_off = 1;
 	plat_dat->maxmtu = ETH_DATA_LEN;
+	plat_dat->addr64 = priv_plat->variant->dma_bit_mask;
 	plat_dat->bsp_priv = priv_plat;
 	plat_dat->init = mediatek_dwmac_init;
 	plat_dat->exit = mediatek_dwmac_exit;
 	plat_dat->clks_config = mediatek_dwmac_clks_config;
+
 	mediatek_dwmac_init(pdev, priv_plat);
 
 	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
-- 
2.25.1