depends on PTP_1588_CLOCK_OPTIONAL
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
-@@ -80,6 +80,7 @@ obj-$(CONFIG_MARVELL_PHY) += marvell.o
+@@ -79,6 +79,7 @@ obj-$(CONFIG_MARVELL_PHY) += marvell.o
obj-$(CONFIG_MARVELL_88X2222_PHY) += marvell-88x2222.o
obj-$(CONFIG_MAXLINEAR_GPHY) += mxl-gpy.o
obj-$(CONFIG_MEDIATEK_GE_PHY) += mediatek-ge.o