When USB and USB_COMMON are not enabled, phy-mvebu-cp110-utmi suffers a build error due to a missing interface that is provided by CONFIG_USB_COMMON, so make the driver depend on USB_COMMON.
ld: drivers/phy/marvell/phy-mvebu-cp110-utmi.o: in function `mvebu_cp110_utmi_phy_probe': phy-mvebu-cp110-utmi.c:(.text+0x152): undefined reference to `of_usb_get_dr_mode_by_phy' Signed-off-by: Randy Dunlap <rdun...@infradead.org> Cc: Kostya Porotchkin <kos...@marvell.com> Cc: Kishon Vijay Abraham I <kis...@ti.com> Cc: Vinod Koul <vk...@kernel.org> Cc: linux-...@lists.infradead.org --- drivers/phy/marvell/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-next-20210331.orig/drivers/phy/marvell/Kconfig +++ linux-next-20210331/drivers/phy/marvell/Kconfig @@ -70,7 +70,7 @@ config PHY_MVEBU_CP110_COMPHY config PHY_MVEBU_CP110_UTMI tristate "Marvell CP110 UTMI driver" depends on ARCH_MVEBU || COMPILE_TEST - depends on OF + depends on OF && USB_COMMON select GENERIC_PHY help Enable this to support Marvell CP110 UTMI PHY driver.