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net: dsa: mv88e6xxx: Unique SERDES interrupt names

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Dynamically generate a unique SERDES interrupt name, based on the
device name and the port the SERDES is for. For example:

 95:          3  mv88e6xxx-g2   9 Edge      mv88e6xxx-0.2:00-serdes-9
 96:          0  mv88e6xxx-g2  10 Edge      mv88e6xxx-0.2:00-serdes-10

The 0.2:00 indicates the switch and -9 indicates port 9.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2020-01-06 17:13:49 +01:00 committed by David S. Miller
parent 3095383a8a
commit e6f2f6b824
2 changed files with 6 additions and 1 deletions
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6
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -2306,10 +2306,14 @@ static int mv88e6xxx_serdes_irq_request(struct mv88e6xxx_chip *chip, int port,
if (!irq)
return 0;
snprintf(dev_id->serdes_irq_name, sizeof(dev_id->serdes_irq_name),
"mv88e6xxx-%s-serdes-%d", dev_name(chip->dev), port);
/* Requesting the IRQ will trigger IRQ callbacks, so release the lock */
mv88e6xxx_reg_unlock(chip);
err = request_threaded_irq(irq, NULL, mv88e6xxx_serdes_irq_thread_fn,
IRQF_ONESHOT, "mv88e6xxx-serdes", dev_id);
IRQF_ONESHOT, dev_id->serdes_irq_name,
dev_id);
mv88e6xxx_reg_lock(chip);
if (err)
return err;

1
drivers/net/dsa/mv88e6xxx/chip.h
View File

@ -236,6 +236,7 @@ struct mv88e6xxx_port {
bool mirror_ingress;
bool mirror_egress;
unsigned int serdes_irq;
char serdes_irq_name[32];
};
struct mv88e6xxx_chip {