dsa: mv88e6xxx: Use mv88e6xx_wait in mv88e6xxx_update()

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>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files 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;