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927fe598db
Add pending patch to make address some workaround needed to make the Aeonsemi AS21xxx PHY working on the Airoha AN7581/AN7583 board. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
32 lines
1.0 KiB
Diff
32 lines
1.0 KiB
Diff
From 0146a02d9d182796c3d8e4a432c4d94cac042f8e Mon Sep 17 00:00:00 2001
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From: Christian Marangi <ansuelsmth@gmail.com>
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Date: Mon, 7 Jul 2025 18:58:25 +0200
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Subject: [PATCH 1/4] net: phy: as21xxx: handle corner case with link and
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autoneg complete
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Add missing case in custom read_link, when autoneg is started, autoneg
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complete bit is reset but link is still not up.
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Fixes: 830877d89edc ("net: phy: Add support for Aeonsemi AS21xxx PHYs")
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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---
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drivers/net/phy/as21xxx.c | 7 +++++++
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1 file changed, 7 insertions(+)
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--- a/drivers/net/phy/as21xxx.c
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+++ b/drivers/net/phy/as21xxx.c
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@@ -658,6 +658,13 @@ static int as21xxx_read_link(struct phy_
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return status;
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phydev->link = !!(status & MDIO_STAT1_LSTATUS);
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+ phydev->autoneg_complete = !!(status & MDIO_AN_STAT1_COMPLETE);
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+
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+ /* Consider the case that autoneg was started and "aneg complete"
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+ * bit has been reset, but "link up" bit not yet.
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+ */
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+ if (phydev->autoneg == AUTONEG_ENABLE && !phydev->autoneg_complete)
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+ phydev->link = 0;
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return 0;
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}
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