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Date:   Mon,  6 Jan 2020 17:13:50 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Vivien Didelot <vivien.didelot@...il.com>, cphealy@...il.com,
        Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next 3/5] net: dsa: mv88e6xxx: Unique watchdog IRQ name

Dynamically generate a unique watchdog interrupt name, based on the
device name.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/dsa/mv88e6xxx/chip.h    | 1 +
 drivers/net/dsa/mv88e6xxx/global2.c | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index b7613ef600d2..3558c677e1d3 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -296,6 +296,7 @@ struct mv88e6xxx_chip {
 	char irq_name[32];
 	int device_irq;
 	int watchdog_irq;
+	char watchdog_irq_name[32];
 
 	int atu_prob_irq;
 	int vtu_prob_irq;
diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c
index 87bfe7c8c9cd..617174e94faa 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.c
+++ b/drivers/net/dsa/mv88e6xxx/global2.c
@@ -948,10 +948,13 @@ static int mv88e6xxx_g2_watchdog_setup(struct mv88e6xxx_chip *chip)
 	if (chip->watchdog_irq < 0)
 		return chip->watchdog_irq;
 
+	snprintf(chip->watchdog_irq_name, sizeof(chip->watchdog_irq_name),
+		 "mv88e6xxx-%s-watchdog", dev_name(chip->dev));
+
 	err = request_threaded_irq(chip->watchdog_irq, NULL,
 				   mv88e6xxx_g2_watchdog_thread_fn,
 				   IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
-				   "mv88e6xxx-watchdog", chip);
+				   chip->watchdog_irq_name, chip);
 	if (err)
 		return err;
 
-- 
2.25.0.rc1

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