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d888ef5668
Backport workaround for QCA8327 PHY resume, which does not properly support genphy_suspend/resume. Also add DAC amplitude fix for the QCA8327 PHY, set port to preferred master and add proper names to debug regs. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> Signed-off-by: Matthew Hagan <mnhagan88@gmail.com>
67 lines
2.0 KiB
Diff
67 lines
2.0 KiB
Diff
From 97ca310aa18a93329ef5cd68c20de89761962f45 Mon Sep 17 00:00:00 2001
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From: David Bauer <mail@david-bauer.net>
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Date: Sun, 13 Jun 2021 12:19:36 +0200
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Subject: [PATCH] net: phy: at803x: fix feature detection
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AR8031/AR8033 have different status registers for copper
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and fiber operation. However, the extended status register
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is the same for both operation modes.
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As a result of that, ESTATUS_1000_XFULL is set to 1 even when
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operating in copper TP mode.
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Remove this mode from the supported link modes, as this driver
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currently only supports copper operation.
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Signed-off-by: David Bauer <mail@david-bauer.net>
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---
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drivers/net/phy/at803x.c | 30 +++++++++++++++++++++++++++++-
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1 file changed, 29 insertions(+), 1 deletion(-)
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--- a/drivers/net/phy/at803x.c
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+++ b/drivers/net/phy/at803x.c
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@@ -1032,6 +1032,34 @@ static int at803x_set_tunable(struct phy
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}
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}
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+static int at803x_get_features(struct phy_device *phydev)
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+{
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+ int err;
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+
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+ err = genphy_read_abilities(phydev);
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+ if (err)
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+ return err;
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+
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+ if (!at803x_match_phy_id(phydev, ATH8031_PHY_ID))
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+ return 0;
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+
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+ /* AR8031/AR8033 have different status registers
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+ * for copper and fiber operation. However, the
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+ * extended status register is the same for both
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+ * operation modes.
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+ *
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+ * As a result of that, ESTATUS_1000_XFULL is set
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+ * to 1 even when operating in copper TP mode.
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+ *
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+ * Remove this mode from the supported link modes,
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+ * as this driver currently only supports copper
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+ * operation.
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+ */
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+ linkmode_clear_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
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+ phydev->supported);
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+ return 0;
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+}
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+
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static int at803x_cable_test_result_trans(u16 status)
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{
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switch (FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status)) {
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@@ -1364,7 +1392,7 @@ static struct phy_driver at803x_driver[]
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.resume = at803x_resume,
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.read_page = at803x_read_page,
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.write_page = at803x_write_page,
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- /* PHY_GBIT_FEATURES */
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+ .get_features = at803x_get_features,
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.read_status = at803x_read_status,
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.aneg_done = at803x_aneg_done,
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.ack_interrupt = &at803x_ack_interrupt,
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