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50f7155d57
Move two accepted patches for the mt7530 DSA driver from pending to accepted. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
46 lines
2.0 KiB
Diff
46 lines
2.0 KiB
Diff
From 16e6592cd5c5bd74d8890973489f60176c692614 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
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Date: Sun, 28 Apr 2024 12:19:58 +0300
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Subject: [PATCH] net: dsa: mt7530: do not set MT7530_P5_DIS when PHY muxing is
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being used
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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DSA initalises the ds->num_ports amount of ports in
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dsa_switch_touch_ports(). When the PHY muxing feature is in use, port 5
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won't be defined in the device tree. Because of this, the type member of
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the dsa_port structure for this port will be assigned DSA_PORT_TYPE_UNUSED.
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The dsa_port_setup() function calls ds->ops->port_disable() when the port
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type is DSA_PORT_TYPE_UNUSED.
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The MT7530_P5_DIS bit is unset in mt7530_setup() when PHY muxing is being
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used. mt7530_port_disable() which is assigned to ds->ops->port_disable() is
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called afterwards. Currently, mt7530_port_disable() sets MT7530_P5_DIS
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which breaks network connectivity when PHY muxing is being used.
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Therefore, do not set MT7530_P5_DIS when PHY muxing is being used.
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Fixes: 377174c5760c ("net: dsa: mt7530: move MT753X_MTRAP operations for MT7530")
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Reported-by: Daniel Golle <daniel@makrotopia.org>
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Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Link: https://lore.kernel.org/r/20240428-for-netnext-mt7530-do-not-disable-port5-when-phy-muxing-v2-1-bb7c37d293f8@arinc9.com
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Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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---
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drivers/net/dsa/mt7530.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/drivers/net/dsa/mt7530.c
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+++ b/drivers/net/dsa/mt7530.c
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@@ -1220,7 +1220,8 @@ mt7530_port_disable(struct dsa_switch *d
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if (priv->id != ID_MT7530 && priv->id != ID_MT7621)
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return;
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- if (port == 5)
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+ /* Do not set MT7530_P5_DIS when port 5 is being used for PHY muxing. */
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+ if (port == 5 && priv->p5_mode == GMAC5)
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mt7530_set(priv, MT753X_MTRAP, MT7530_P5_DIS);
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else if (port == 6)
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mt7530_set(priv, MT753X_MTRAP, MT7530_P6_DIS);
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