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e0e74d8a2c
swig has been installed on the buildbots a while a ago and Petr Štetiar got a fix for the pylibfdt error. Use that and re-enable the builds for mt7620 and mt7621. Refresh patches while at it. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
68 lines
2.1 KiB
Diff
68 lines
2.1 KiB
Diff
From 955cc76d8074df943d59d559895007f91de8eed5 Mon Sep 17 00:00:00 2001
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From: Weijie Gao <weijie.gao@mediatek.com>
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Date: Fri, 20 May 2022 11:23:37 +0800
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Subject: [PATCH 18/25] net: mediatek: use regmap api to modify ethsys
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registers
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The address returned by regmap_get_range() is not remapped. Directly r/w
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to this address is ok for ARM platforms since it's idential to the virtual
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address.
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But for MIPS platform only virtual address should be used for access.
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To solve this issue, the regmap api regmap_read/regmap_write should be used
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since they will remap address before accessing.
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Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
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Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
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---
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drivers/net/mtk_eth.c | 22 +++++++++++-----------
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1 file changed, 11 insertions(+), 11 deletions(-)
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--- a/drivers/net/mtk_eth.c
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+++ b/drivers/net/mtk_eth.c
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@@ -159,9 +159,10 @@ struct mtk_eth_priv {
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void __iomem *fe_base;
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void __iomem *gmac_base;
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- void __iomem *ethsys_base;
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void __iomem *sgmii_base;
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+ struct regmap *ethsys_regmap;
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+
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struct mii_dev *mdio_bus;
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int (*mii_read)(struct mtk_eth_priv *priv, u8 phy, u8 reg);
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int (*mii_write)(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 val);
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@@ -233,7 +234,12 @@ static void mtk_gmac_rmw(struct mtk_eth_
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static void mtk_ethsys_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr,
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u32 set)
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{
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- clrsetbits_le32(priv->ethsys_base + reg, clr, set);
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+ uint val;
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+
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+ regmap_read(priv->ethsys_regmap, reg, &val);
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+ val &= ~clr;
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+ val |= set;
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+ regmap_write(priv->ethsys_regmap, reg, val);
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}
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/* Direct MDIO clause 22/45 access via SoC */
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@@ -1427,15 +1433,9 @@ static int mtk_eth_of_to_plat(struct ude
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if (ret)
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return ret;
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- regmap = syscon_node_to_regmap(args.node);
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- if (IS_ERR(regmap))
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- return PTR_ERR(regmap);
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-
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- priv->ethsys_base = regmap_get_range(regmap, 0);
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- if (!priv->ethsys_base) {
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- dev_err(dev, "Unable to find ethsys\n");
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- return -ENODEV;
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- }
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+ priv->ethsys_regmap = syscon_node_to_regmap(args.node);
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+ if (IS_ERR(priv->ethsys_regmap))
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+ return PTR_ERR(priv->ethsys_regmap);
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/* Reset controllers */
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ret = reset_get_by_name(dev, "fe", &priv->rst_fe);
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