[PATCH 21/42] mfd: max8998: use PLATFORM_DEVID_NONE

[Krzysztof Kozlowski]

Use PLATFORM_DEVID_NONE define instead of "-1" value because:
 - it brings some meaning,
 - it might point attention why auto device ID was not used.

Signed-off-by: Krzysztof Kozlowski <krzk at kernel.org>
---
 drivers/mfd/max8998.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
index 785f8e9841b7..33d92eddfd06 100644
--- a/drivers/mfd/max8998.c
+++ b/drivers/mfd/max8998.c
@@ -208,12 +208,12 @@ static int max8998_i2c_probe(struct i2c_client *i2c,
 
 	switch (max8998->type) {
 	case TYPE_LP3974:
-		ret = mfd_add_devices(max8998->dev, -1,
+		ret = mfd_add_devices(max8998->dev, PLATFORM_DEVID_NONE,
 				      lp3974_devs, ARRAY_SIZE(lp3974_devs),
 				      NULL, 0, NULL);
 		break;
 	case TYPE_MAX8998:
-		ret = mfd_add_devices(max8998->dev, -1,
+		ret = mfd_add_devices(max8998->dev, PLATFORM_DEVID_NONE,
 				      max8998_devs, ARRAY_SIZE(max8998_devs),
 				      NULL, 0, NULL);
 		break;
-- 
2.17.1