[PATCH net-next 2/3] dsa: mv88e6xxx: Use mv88e6xx_wait in mv88e6xxx_update()
From: Andrew Lunn <andrew@lunn.ch>
Date: 2016-08-19 01:55:01
Subsystem:
marvell 88e6xxx ethernet switch fabric driver, networking drivers, networking [dsa], the rest · Maintainers:
Andrew Lunn, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Vladimir Oltean, Linus Torvalds
Now that mv88e6xx_wait() iterated on a counter than a fixed time interval, it implements the same mechanism as mv88e6xxx_update() uses. So use it in mv88e6xx_wait(). Signed-off-by: Andrew Lunn <andrew@lunn.ch> --- drivers/net/dsa/mv88e6xxx/chip.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index ac8e9af4879f..8c846bce4edf 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c@@ -333,20 +333,12 @@ static int mv88e6xxx_update(struct mv88e6xxx_chip *chip, int addr, int reg, u16 update) { u16 val; - int i, err; + int err; /* Wait until the previous operation is completed */ - for (i = 0; i < 16; ++i) { - err = mv88e6xxx_read(chip, addr, reg, &val); - if (err) - return err; - - if (!(val & BIT(15))) - break; - } - - if (i == 16) - return -ETIMEDOUT; + err = mv88e6xxx_wait(chip, addr, reg, BIT(15)); + if (err) + return err; /* Set the Update bit to trigger a write operation */ val = BIT(15) | update;
--
2.8.1