mirror of
https://github.com/Telecominfraproject/wlan-ap.git
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53 lines
1.9 KiB
Diff
53 lines
1.9 KiB
Diff
From 5269ab2d7e1e36d65f80495a5f0e76ae620fbb3a Mon Sep 17 00:00:00 2001
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From: Luo Jie <quic_luoj@quicinc.com>
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Date: Thu, 26 Sep 2024 15:11:40 +0800
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Subject: [PATCH] net: mdio-ipq4019: Set MDIO frequency correctly
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The MDIO frequency should be masked before configuring it.
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Change-Id: Iddc2b6e8c2d3e30b7c84cfd3e7228f431403927f
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Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
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---
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drivers/net/mdio/mdio-ipq4019.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/drivers/net/mdio/mdio-ipq4019.c b/drivers/net/mdio/mdio-ipq4019.c
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index 98ad19cee7d0..6aa30ed70a9e 100644
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--- a/drivers/net/mdio/mdio-ipq4019.c
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+++ b/drivers/net/mdio/mdio-ipq4019.c
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@@ -148,6 +148,7 @@ static int _ipq4019_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
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data = readl(priv->membase[0] + MDIO_MODE_REG);
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data |= MDIO_MODE_C45;
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+ data &= ~MDIO_CLK_DIV_MASK;
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data |= FIELD_PREP(MDIO_CLK_DIV_MASK, priv->clk_div);
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writel(data, priv->membase[0] + MDIO_MODE_REG);
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@@ -164,6 +165,7 @@ static int _ipq4019_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
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data = readl(priv->membase[0] + MDIO_MODE_REG);
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data &= ~MDIO_MODE_C45;
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+ data &= ~MDIO_CLK_DIV_MASK;
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data |= FIELD_PREP(MDIO_CLK_DIV_MASK, priv->clk_div);
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writel(data, priv->membase[0] + MDIO_MODE_REG);
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@@ -213,6 +215,7 @@ static int _ipq4019_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
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data = readl(priv->membase[0] + MDIO_MODE_REG);
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data |= MDIO_MODE_C45;
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+ data &= ~MDIO_CLK_DIV_MASK;
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data |= FIELD_PREP(MDIO_CLK_DIV_MASK, priv->clk_div);
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writel(data, priv->membase[0] + MDIO_MODE_REG);
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@@ -234,6 +237,7 @@ static int _ipq4019_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
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data = readl(priv->membase[0] + MDIO_MODE_REG);
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data &= ~MDIO_MODE_C45;
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+ data &= ~MDIO_CLK_DIV_MASK;
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data |= FIELD_PREP(MDIO_CLK_DIV_MASK, priv->clk_div);
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writel(data, priv->membase[0] + MDIO_MODE_REG);
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--
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2.34.1
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