regulator: pbias: don't evaluate variable before assignment

We should not evaluate the value of reg before its value is set.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>

drivers/power/regulator/pbias_regulator.c

@@ -225,9 +225,6 @@ static int pbias_regulator_set_value(struct udevice *dev, int uV)
 	int rc;
 	u32 reg;
 
-	debug("Setting %s voltage to %s\n", p->name,
-	      (reg & p->vmode) ? "3.0v" : "1.8v");
-
 	rc = pmic_read(dev->parent, 0, (uint8_t *)&reg, sizeof(reg));
 	if (rc)
 		return rc;
@@ -239,6 +236,9 @@ static int pbias_regulator_set_value(struct udevice *dev, int uV)
 	else
 		return -EINVAL;
 
+	debug("Setting %s voltage to %s\n", p->name,
+	      (reg & p->vmode) ? "3.0v" : "1.8v");
+
 	return pmic_write(dev->parent, 0, (uint8_t *)&reg, sizeof(reg));
 }