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7789e9ed05
linux/drivers/net
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Robert Hancock 7789e9ed05 net: axienet: Re-initialize MDIO registers properly after reset 
The MDIO clock divisor register setting was only applied on the initial
startup when the driver was loaded. However, this setting is cleared
when the device is reset, such as would occur when the interface was
taken down and brought up again, and so the MDIO bus would be
non-functional afterwards.

Split up the MDIO bus setup and enable into separate functions and
re-enable the bus after a device reset, to ensure that the MDIO
registers are set properly. This also allows us to remove direct access
to MDIO registers in xilinx_axienet_main.c and centralize them all in
xilinx_axienet_mdio.c.

Also, lock the MDIO bus lock around the device reset process, to avoid
MDIO accesses from occurring while the MDIO is disabled during the reset.

Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-06 16:24:29 -07:00
..
appletalk treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
arcnet treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
bonding net: bonding: Inherit MPLS features from slave devices 2019-06-04 14:49:38 -07:00
caif treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
can treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
dsa net: dsa: mv88e6xxx: refactor mv88e6352_g1_reset 2019-06-04 20:07:57 -07:00
ethernet net: axienet: Re-initialize MDIO registers properly after reset 2019-06-06 16:24:29 -07:00
fddi Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-22 08:28:16 -07:00
fjes
hamradio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 69 2019-05-24 17:36:47 +02:00
hippi treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
hyperv netvsc: unshare skb in VF rx handler 2019-05-30 11:12:21 -07:00
ieee802154 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
ipvlan treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
netdevsim netdevsim: implement fake flash updating with notifications 2019-06-04 14:21:40 -07:00
phy net: phy: Add detection of 1000BaseX link mode support 2019-06-06 13:48:51 -07:00
plip net: ipv4: provide __rcu annotation for ifa_list 2019-06-02 18:08:36 -07:00
ppp SPDX update for 5.2-rc2, round 1 2019-05-21 12:33:38 -07:00
slip treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
team treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
usb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-05-22 08:28:16 -07:00
vmxnet3 vmxnet3: turn off lro when rxcsum is disabled 2019-06-04 20:05:56 -07:00
wan drivers: use in_dev_for_each_ifa_rtnl/rcu 2019-06-02 18:06:26 -07:00
wimax treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
wireless net: ipv4: provide __rcu annotation for ifa_list 2019-06-02 18:08:36 -07:00
xen-netback xen-netback: remove redundant assignment to err 2019-05-31 14:36:48 -07:00
dummy.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
eql.c
geneve.c
gtp.c genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
ifb.c
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
LICENSE.SRC
loopback.c
macsec.c genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
macvlan.c macvlan: Replace strncpy() by strscpy() 2019-05-29 00:00:01 -07:00
macvtap.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
Makefile net: Always descend into dsa/ 2019-05-14 15:20:11 -07:00
mdio.c
mii.c
net_failover.c
netconsole.c
nlmon.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
ntb_netdev.c
rionet.c
sb1000.c sb1000: fix variable set but not used warnings 2019-04-18 17:06:15 -07:00
Space.c
sungem_phy.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
tap.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
thunderbolt.c net: thunderbolt: Unregister ThunderboltIP protocol handler when suspending 2019-04-18 11:18:51 +03:00
tun.c tuntap: synchronize through tfiles array instead of tun->numqueues 2019-05-09 09:21:42 -07:00
veth.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
virtio_net.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
vrf.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
vsockmon.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
vxlan.c vxlan: Use FDB_HASH_SIZE hash_locks to reduce contention 2019-06-06 11:08:55 -07:00
xen-netfront.c