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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@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2019-05-01 00:10:50 +02:00 committed by David S. Miller
parent 3b3600fffb
commit a27415decd
2 changed files with 10 additions and 4 deletions
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13
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -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

1
include/linux/platform_data/mv88e6xxx.h
View File

@ -13,6 +13,7 @@ struct dsa_mv88e6xxx_pdata {
unsigned int enabled_ports;
struct net_device *netdev;
u32 eeprom_len;
int irq;
};
#endif