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phy: bcm-ns-usb3: fix MDIO_BUS dependency 

The driver attempts to 'select MDIO_DEVICE', but the code
is actually a loadable module when PHYLIB=m:

drivers/phy/broadcom/phy-bcm-ns-usb3.o: In function `bcm_ns_usb3_mdiodev_phy_write':
phy-bcm-ns-usb3.c:(.text.bcm_ns_usb3_mdiodev_phy_write+0x28): undefined reference to `mdiobus_write'
drivers/phy/broadcom/phy-bcm-ns-usb3.o: In function `bcm_ns_usb3_module_exit':
phy-bcm-ns-usb3.c:(.exit.text+0x18): undefined reference to `mdio_driver_unregister'
drivers/phy/broadcom/phy-bcm-ns-usb3.o: In function `bcm_ns_usb3_module_init':
phy-bcm-ns-usb3.c:(.init.text+0x18): undefined reference to `mdio_driver_register'
phy-bcm-ns-usb3.c:(.init.text+0x38): undefined reference to `mdio_driver_unregister'

Using 'depends on MDIO_BUS' instead will avoid the link error.

Fixes: af850e14a7 ("phy: bcm-ns-usb3: add MDIO driver using proper bus layer")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnd Bergmann 2017-07-26 17:14:00 +02:00 committed by David S. Miller
parent 4c3464a8c3
commit 245db3c349
1 changed files with 1 additions and 1 deletions
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2
drivers/phy/broadcom/Kconfig
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@ -30,8 +30,8 @@ config PHY_BCM_NS_USB3
tristate "Broadcom Northstar USB 3.0 PHY Driver"
depends on ARCH_BCM_IPROC || COMPILE_TEST
depends on HAS_IOMEM && OF
depends on MDIO_BUS
select GENERIC_PHY
select MDIO_DEVICE
help
Enable this to support Broadcom USB 3.0 PHY connected to the USB
controller on Northstar family.