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42 lines
1.5 KiB
Diff
42 lines
1.5 KiB
Diff
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From f203c8c77c7616c099647636f4c67d59a45fe8a2 Mon Sep 17 00:00:00 2001
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From: Christian Marangi <ansuelsmth@gmail.com>
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Date: Thu, 1 Feb 2024 14:46:01 +0100
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Subject: [PATCH 2/2] net: phy: qcom: qca808x: default to LED active High if
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not set
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qca808x PHY provide support for the led_polarity_set OP to configure
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and apply the active-low property but on PHY reset, the Active High bit
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is not set resulting in the LED driven as active-low.
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To fix this, check if active-low is not set in DT and enable Active High
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polarity by default to restore correct funcionality of the LED.
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Fixes: 7196062b64ee ("net: phy: at803x: add LED support for qca808x")
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/phy/qcom/qca808x.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/drivers/net/phy/qcom/qca808x.c
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+++ b/drivers/net/phy/qcom/qca808x.c
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@@ -290,8 +290,18 @@ static int qca808x_probe(struct phy_devi
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static int qca808x_config_init(struct phy_device *phydev)
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{
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+ struct qca808x_priv *priv = phydev->priv;
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int ret;
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+ /* Default to LED Active High if active-low not in DT */
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+ if (priv->led_polarity_mode == -1) {
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+ ret = phy_set_bits_mmd(phydev, MDIO_MMD_AN,
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+ QCA808X_MMD7_LED_POLARITY_CTRL,
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+ QCA808X_LED_ACTIVE_HIGH);
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+ if (ret)
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+ return ret;
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+ }
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+
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/* Active adc&vga on 802.3az for the link 1000M and 100M */
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ret = phy_modify_mmd(phydev, MDIO_MMD_PCS, QCA808X_PHY_MMD3_ADDR_CLD_CTRL7,
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QCA808X_8023AZ_AFE_CTRL_MASK, QCA808X_8023AZ_AFE_EN);
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