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 <k...@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevche...@gmail.com>
---
 drivers/mfd/intel_msic.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/intel_msic.c b/drivers/mfd/intel_msic.c
index bb24c2a07900..e9944a81dc44 100644
--- a/drivers/mfd/intel_msic.c
+++ b/drivers/mfd/intel_msic.c
@@ -317,8 +317,9 @@ static int intel_msic_init_devices(struct intel_msic *msic)
                if (!pdata->irq[i])
                        continue;
 
-               ret = mfd_add_devices(&pdev->dev, -1, &msic_devs[i], 1, NULL,
-                                     pdata->irq[i], NULL);
+               ret = mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE,
+                                     &msic_devs[i], 1, NULL, pdata->irq[i],
+                                     NULL);
                if (ret)
                        goto fail;
        }
-- 
2.25.1

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