netdev - [PATCH net-next 1/5] net: dsa: mv88e6xxx: Unique IRQ name

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Date:   Mon,  6 Jan 2020 17:13:48 +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 1/5] net: dsa: mv88e6xxx: Unique IRQ name

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

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

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 5eeeb6566196..e21e460c11f7 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -340,11 +340,14 @@ static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
 	 */
 	irq_set_lockdep_class(chip->irq, &lock_key, &request_key);
 
+	snprintf(chip->irq_name, sizeof(chip->irq_name),
+		 "mv88e6xxx-%s", dev_name(chip->dev));
+
 	mv88e6xxx_reg_unlock(chip);
 	err = request_threaded_irq(chip->irq, NULL,
 				   mv88e6xxx_g1_irq_thread_fn,
 				   IRQF_ONESHOT | IRQF_SHARED,
-				   dev_name(chip->dev), chip);
+				   chip->irq_name, chip);
 	mv88e6xxx_reg_lock(chip);
 	if (err)
 		mv88e6xxx_g1_irq_free_common(chip);
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index 8a8e38bfb161..03aec58513ab 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -292,6 +292,7 @@ struct mv88e6xxx_chip {
 	struct mv88e6xxx_irq g1_irq;
 	struct mv88e6xxx_irq g2_irq;
 	int irq;
+	char irq_name[32];
 	int device_irq;
 	int watchdog_irq;
 
-- 
2.25.0.rc1