netdev - [PATCH net-next 11/13] net: dsa: mv88e6xxx: link mv88e6xxx_port to mv88e6xxx

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Date:   Thu,  9 Aug 2018 15:38:47 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Russell King <rmk+kernel@....linux.org.uk>,
        Florian Fainelli <f.fainelli@...il.com>,
        nikita.yoush@...entembedded.com, Chris Healy <cphealy@...il.com>,
        marek.behun@....cz, Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next 11/13] net: dsa: mv88e6xxx: link mv88e6xxx_port to mv88e6xxx_chip

An up coming change will register interrupts for individual switch
ports, using the mv88e6xxx_port as the interrupt context information.
Add members to the mv88e6xxx_port structure so we can link it back to
the mv88e6xxx_chip member the port belongs to and the port number of
the port.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/dsa/mv88e6xxx/chip.c | 3 +++
 drivers/net/dsa/mv88e6xxx/chip.h | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 66e0281604df..5845cbf7f096 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2173,6 +2173,9 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
 	int err;
 	u16 reg;
 
+	chip->ports[port].chip = chip;
+	chip->ports[port].port = port;
+
 	/* MAC Forcing register: don't force link, speed, duplex or flow control
 	 * state to any particular values on physical ports, but force the CPU
 	 * port and all DSA ports to their maximum bandwidth and full duplex.
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index 08c74c88dbde..577398fe36df 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -191,6 +191,8 @@ struct mv88e6xxx_port_hwtstamp {
 };
 
 struct mv88e6xxx_port {
+	struct mv88e6xxx_chip *chip;
+	int port;
 	u64 serdes_stats[2];
 	u64 atu_member_violation;
 	u64 atu_miss_violation;
-- 
2.18.0