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| author | Florian Fainelli <f.fainelli@gmail.com> | 2017-03-23 18:01:19 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-24 20:51:05 +0100 |
| commit | 90eff9096c01ba90cdae504a6b95ee87fe2556a3 (patch) | |
| tree | 2e8b75015ca154e15d796308b3e8c40333dc65f8 /drivers/net/phy/mdio_bus.c | |
| parent | net: phy: MDIO_BCM_UNIMAC should depend on OF_MDIO (diff) | |
| download | linux-90eff9096c01ba90cdae504a6b95ee87fe2556a3.tar.xz linux-90eff9096c01ba90cdae504a6b95ee87fe2556a3.zip | |
net: phy: Allow splitting MDIO bus/device support from PHYs
Introduce a new configuration symbol: MDIO_DEVICE which allows building
the MDIO devices and bus code, without pulling in the entire Ethernet
PHY library and devices code.
PHYLIB nows select MDIO_DEVICE and the relevant Makefile files are
updated to reflect that.
When MDIO_DEVICE (MDIO bus/device only) is selected, but not PHYLIB, we
have mdio-bus.ko as a loadable module, and it does not have a
module_exit() function because the safety of removing a bus class is
unclear.
When both MDIO_DEVICE and PHYLIB are enabled, we need to assemble
everything into a common loadable module: libphy.ko because of nasty
circular dependencies between phy.c, phy_device.c and mdio_bus.c which
are really tough to untangle.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/mdio_bus.c')
| -rw-r--r-- | drivers/net/phy/mdio_bus.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index fa7d51f14869..46b468eb6e12 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -648,9 +648,18 @@ int __init mdio_bus_init(void) return ret; } +EXPORT_SYMBOL_GPL(mdio_bus_init); +#if IS_ENABLED(CONFIG_PHYLIB) void mdio_bus_exit(void) { class_unregister(&mdio_bus_class); bus_unregister(&mdio_bus_type); } +EXPORT_SYMBOL_GPL(mdio_bus_exit); +#else +module_init(mdio_bus_init); +/* no module_exit, intentional */ +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("MDIO bus/device layer"); +#endif |