dsa: mv88e6xxx: Make mv88e6xxx_wait() timeout verbose

When mv88e6xxx_wait() returns a timeout, something bad has
happened. Make sure it is noticed by logging an error.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 8c846bce4edf0e4318bc16fb213f6fbb4f8e9988..014b52bd72f123776dcf69f4e1a5f639b90c9202 100644 (file)
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -325,6 +325,7 @@ static int mv88e6xxx_wait(struct mv88e6xxx_chip *chip, int addr, int reg,
                usleep_range(1000, 2000);
        }
 
+       dev_err(chip->dev, "Timeout while waiting for switch\n");
        return -ETIMEDOUT;
 }