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51 lines
1.7 KiB
Diff
51 lines
1.7 KiB
Diff
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From f058b2dd70b1a5503dff899010aeb53b436091e5 Mon Sep 17 00:00:00 2001
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From: Robert Marko <robimarko@gmail.com>
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Date: Wed, 28 Feb 2024 18:24:09 +0100
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Subject: [PATCH 1/2] net: phy: qcom: qca808x: add helper for checking for 1G
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only model
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There are 2 versions of QCA808x, one 2.5G capable and one 1G capable.
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Currently, this matter only in the .get_features call however, it will
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be required for filling supported interface modes so lets add a helper
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that can be reused.
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Signed-off-by: Robert Marko <robimarko@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 | 17 ++++++++++++-----
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1 file changed, 12 insertions(+), 5 deletions(-)
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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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@@ -156,6 +156,17 @@ static bool qca808x_has_fast_retrain_or_
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return linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported);
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}
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+static bool qca808x_is_1g_only(struct phy_device *phydev)
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+{
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+ int ret;
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+
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+ ret = phy_read_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_CHIP_TYPE);
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+ if (ret < 0)
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+ return true;
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+
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+ return !!(QCA808X_PHY_CHIP_TYPE_1G & ret);
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+}
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+
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static int qca808x_probe(struct phy_device *phydev)
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{
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struct device *dev = &phydev->mdio.dev;
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@@ -350,11 +361,7 @@ static int qca808x_get_features(struct p
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* existed in the bit0 of MMD1.21, we need to remove it manually if
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* it is the qca8081 1G chip according to the bit0 of MMD7.0x901d.
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*/
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- ret = phy_read_mmd(phydev, MDIO_MMD_AN, QCA808X_PHY_MMD7_CHIP_TYPE);
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- if (ret < 0)
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- return ret;
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-
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- if (QCA808X_PHY_CHIP_TYPE_1G & ret)
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+ if (qca808x_is_1g_only(phydev))
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linkmode_clear_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->supported);
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return 0;
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