Commit b672b351 authored by Andrew Lunn's avatar Andrew Lunn Committed by David S. Miller
Browse files

net: dsa: mv88e6xxx: Remove set but unused variable 



We don't act on any errors reading registers while handling watchdog
interrupt. Since this is an interrupt handler, we cannot return such
errors. So just remove the variable.

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 04844280

drivers/net/dsa/mv88e6xxx/global2.c

+2 −3
Original line number Diff line number Diff line
@@ -876,19 +876,18 @@ static int mv88e6390_watchdog_setup(struct mv88e6xxx_chip *chip) 


static int mv88e6390_watchdog_action(struct mv88e6xxx_chip *chip, int irq)

{

	int err;

	u16 reg;



	mv88e6xxx_g2_write(chip, MV88E6390_G2_WDOG_CTL,

			   MV88E6390_G2_WDOG_CTL_PTR_EVENT);

	err = mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, &reg);

	mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, &reg);



	dev_info(chip->dev, "Watchdog event: 0x%04x",

		 reg & MV88E6390_G2_WDOG_CTL_DATA_MASK);



	mv88e6xxx_g2_write(chip, MV88E6390_G2_WDOG_CTL,

			   MV88E6390_G2_WDOG_CTL_PTR_HISTORY);

	err = mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, &reg);

	mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, &reg);



	dev_info(chip->dev, "Watchdog history: 0x%04x",

		 reg & MV88E6390_G2_WDOG_CTL_DATA_MASK);