diff options
| author |   Neil Armstrong <narmstrong@baylibre.com> | 2015-10-06 15:40:32 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-10-07 04:56:08 -0700 |
| commit | cbc5d90b378cd255ffedeb12f5affe243230d47e (patch) | |
| tree | bb19df20f43a227782544adb459aa7c211615713 /net/dsa | |
| parent | net: dsa: add missing dsa_switch mdiobus remove (diff) | |
| download | linux-dev-cbc5d90b378cd255ffedeb12f5affe243230d47e.tar.xz linux-dev-cbc5d90b378cd255ffedeb12f5affe243230d47e.zip | |
net: dsa: complete dsa_switch_destroy
When unbinding dsa, complete the dsa_switch_destroy to unregister the
fixed link phy then cleanly unregister and destroy the net devices.
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dsa')
| -rw-r--r-- | net/dsa/dsa.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 14fac4ed9569..61559232861b 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -22,6 +22,7 @@ #include <linux/of_platform.h> #include <linux/of_net.h> #include <linux/sysfs.h> +#include <linux/phy_fixed.h> #include "dsa_priv.h" char dsa_driver_version[] = "0.1"; @@ -420,10 +421,46 @@ dsa_switch_setup(struct dsa_switch_tree *dst, int index, static void dsa_switch_destroy(struct dsa_switch *ds) { + struct device_node *port_dn; + struct phy_device *phydev; + struct dsa_chip_data *cd = ds->pd; + int port; + #ifdef CONFIG_NET_DSA_HWMON if (ds->hwmon_dev) hwmon_device_unregister(ds->hwmon_dev); #endif + + /* Disable configuration of the CPU and DSA ports */ + for (port = 0; port < DSA_MAX_PORTS; port++) { + if (!(dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))) + continue; + + port_dn = cd->port_dn[port]; + if (of_phy_is_fixed_link(port_dn)) { + phydev = of_phy_find_device(port_dn); + if (phydev) { + int addr = phydev->addr; + + phy_device_free(phydev); + of_node_put(port_dn); + fixed_phy_del(addr); + } + } + } + + /* Destroy network devices for physical switch ports. */ + for (port = 0; port < DSA_MAX_PORTS; port++) { + if (!(ds->phys_port_mask & (1 << port))) + continue; + + if (!ds->ports[port]) + continue; + + unregister_netdev(ds->ports[port]); + free_netdev(ds->ports[port]); + } + mdiobus_unregister(ds->slave_mii_bus); mdiobus_free(ds->slave_mii_bus); } |