netdev - [PATCH net-next] net: dsa: mv88e6xxx: Pass interrupt number in platform data

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Message-Id: <20190430221050.19749-1-andrew@lunn.ch>
Date:   Wed,  1 May 2019 00:10:50 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next] net: dsa: mv88e6xxx: Pass interrupt number in platform data

Allow an interrupt number to be passed in the platform data. The
driver will then use it if not zero, otherwise it will poll for
interrupts.

Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/dsa/mv88e6xxx/chip.c        | 13 +++++++++----
 include/linux/platform_data/mv88e6xxx.h |  1 +
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 46020fe1b5e7..bad30be699bf 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -4894,12 +4894,17 @@ static int mv88e6xxx_probe(struct mdio_device *mdiodev)
 	if (err)
 		goto out;
 
-	chip->irq = of_irq_get(np, 0);
-	if (chip->irq == -EPROBE_DEFER) {
-		err = chip->irq;
-		goto out;
+	if (np) {
+		chip->irq = of_irq_get(np, 0);
+		if (chip->irq == -EPROBE_DEFER) {
+			err = chip->irq;
+			goto out;
+		}
 	}
 
+	if (pdata)
+		chip->irq = pdata->irq;
+
 	/* Has to be performed before the MDIO bus is created, because
 	 * the PHYs will link their interrupts to these interrupt
 	 * controllers
diff --git a/include/linux/platform_data/mv88e6xxx.h b/include/linux/platform_data/mv88e6xxx.h
index 963730b44aea..21452a9365e1 100644
--- a/include/linux/platform_data/mv88e6xxx.h
+++ b/include/linux/platform_data/mv88e6xxx.h
@@ -13,6 +13,7 @@ struct dsa_mv88e6xxx_pdata {
 	unsigned int enabled_ports;
 	struct net_device *netdev;
 	u32 eeprom_len;
+	int irq;
 };
 
 #endif
-- 
2.20.1