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Message-ID: <20240326123655.40666-1-matthias.schiffer@ew.tq-group.com>
Date: Tue, 26 Mar 2024 13:36:54 +0100
From: Matthias Schiffer <matthias.schiffer@...tq-group.com>
To: Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
Vladimir Oltean <olteanv@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Lukasz Majewski <lukma@...x.de>,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux@...tq-group.com,
Michael Krummsdorf <michael.krummsdorf@...group.com>,
Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH] net: dsa: mv88e6xxx: fix usable ports on 88e6020
From: Michael Krummsdorf <michael.krummsdorf@...group.com>
The switch has 4 ports with 2 internal PHYs, but ports are numbered up
to 6, with ports 0, 1, 5 and 6 being usable.
Fixes: 71d94a432a15 ("net: dsa: mv88e6xxx: add support for MV88E6020 switch")
Signed-off-by: Michael Krummsdorf <michael.krummsdorf@...group.com>
Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
---
I was unfortunately too busy to notice the issue when the patch this
Fixes was resubmitted in my name. It would have been better to change
my From into a Based-on-patch-by or similar when modifying it - and the
final version obviously wasn't even tested on an 88E6020...
Best regards,
Matthias
drivers/net/dsa/mv88e6xxx/chip.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 9ed1821184ece..c95787cb90867 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -5503,8 +5503,12 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.family = MV88E6XXX_FAMILY_6250,
.name = "Marvell 88E6020",
.num_databases = 64,
- .num_ports = 4,
+ /* Ports 2-4 are not routed to pins
+ * => usable ports 0, 1, 5, 6
+ */
+ .num_ports = 7,
.num_internal_phys = 2,
+ .invalid_port_mask = BIT(2) | BIT(3) | BIT(4),
.max_vid = 4095,
.port_base_addr = 0x8,
.phy_base_addr = 0x0,
--
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