The pm_runtime_enable will increase power disable depth.
If the probe fails, we should use pm_runtime_disable() to balance
pm_runtime_enable().

Fixes: f7f50b2 ("phy: mapphone-mdm6600: Add runtime PM support for n_gsm on USB suspend")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/phy/motorola/phy-mapphone-mdm6600.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/phy/motorola/phy-mapphone-mdm6600.c b/drivers/phy/motorola/phy-mapphone-mdm6600.c
index 5172971f4c36..14666750946c 100644
--- a/drivers/phy/motorola/phy-mapphone-mdm6600.c
+++ b/drivers/phy/motorola/phy-mapphone-mdm6600.c
@@ -630,6 +630,9 @@ static int phy_mdm6600_probe(struct platform_device *pdev)
 	if (error < 0)
 		phy_mdm6600_device_power_off(ddata);
 
+disable_pm:
+	pm_runtime_disable(ddata->dev);
+
 	return error;
 }
 
-- 
2.17.1