[PATCH 42/42] mfd: wm8994: 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/wm8994-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 3b2b93c5bbcb..5a8d4cc00cc1 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -578,7 +578,7 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
 
 	wm8994_irq_init(wm8994);
 
-	ret = mfd_add_devices(wm8994->dev, -1,
+	ret = mfd_add_devices(wm8994->dev, PLATFORM_DEVID_NONE,
 			      wm8994_devs, ARRAY_SIZE(wm8994_devs),
 			      NULL, 0, NULL);
 	if (ret != 0) {
-- 
2.17.1