Simon Horman says:
====================
nfp: flower: add Geneve tunnel support
John Hurley says:
This patchset adds support for offloading the encap and decap of Geneve
tunnels to the NFP. In both cases, specifying well known port 6081 is a
requirement for rule offload.
Geneve firmware support has been recently added, so the patchset includes
the reading of a fw symbol that defines a bitmap of newly supported
features. Geneve will only be offloaded if the fw supports it. The new
symbol is added in fw r5646.
Geneve option fields are not supported as either a match or an action due
there current exclussion from TC flower. Because Geneve (as both a match
and action) behaves the same as other udp tunnels such as VXLAN, generic
functions are created that handle both Geneve and VXLAN. It is anticapated
that these functions will be modified to support options in future
patches.
The removal of an unused variable 'tun_dst_mask' is included as a separate
patch here. This does not affect functionality.
Also included are modifications to the test framework to check that the
new encap and decap features are functioning correctly.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Generate rules for the NFP to encapsulate packets in Geneve tunnels. Move
the vxlan action code to generic udp tunnel actions and use core code for
both vxlan and Geneve.
Only support outputting to well known port 6081. Setting tunnel options
is not supported yet.
Only attempt to offload if the fw supports Geneve.
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Compile Geneve match fields for offloading to the NFP. The addition of
Geneve overflows the 8 bit key_layer field, so apply extended metadata to
the match cmsg allowing up to 32 more key_layer fields.
Rather than adding new Geneve blocks, move the vxlan code to generic ipv4
udp tunnel structs and use these for both vxlan and Geneve.
Matches are only supported when specifically mentioning well known port
6081. Geneve tunnel options are not yet included in the match.
Only offload Geneve if the fw supports it - include check for this.
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Extract the _abi_flower_extra_features symbol from the fw which gives a 64
bit bitmap of new features (on top of the flower base support) that the fw
can offload. Store this bitmap in the priv data associated with each app.
If the symbol does not exist, set the bitmap to 0.
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The tunnel dest IP is required for separate offload to the NFP. It is
already verified that a dest IP must be present and must be an exact
match in the flower rule. Therefore, we can just extract the IP from the
generated offload rule and remove the unused mask variable. The function
is then no longer required to return the IP separately.
Because tun_dst is localised to tunnel matches, move the declaration to
the tunnel if branch.
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
RSS table is 4k for T6 and later cards, add check for the
same.
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
First, the check of &q->ring.queue against NULL is wrong, it
is always false. We should check the value rather than the address.
Secondly, we need the same check in pfifo_fast_reset() too,
as both ->reset() and ->destroy() are called in qdisc_destroy().
Fixes: c5ad119fb6 ("net: sched: pfifo_fast use skb_array")
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In recent tests with new adapters, it was discovered that ARP
packets were not being properly processed. This patch adds
support for ARP packet headers to be passed to backing adapters,
if necessary.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Thomas Falcon says:
====================
ibmvnic: Fix and increase maximum TX/RX queues
This series renames IBMVNIC_MAX_TX_QUEUES to IBMVNIC_MAX_QUEUES since
it is used to allocate both RX and TX queues. The value is also increased
to accommodate newer hardware.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Increase the number of queues allocated to accommodate recent
network adapter inclusions on the IBM vNIC platform.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This value denotes the maximum number of TX queues but is used
to allocate both RX and TX queues.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A bigger pull request this time, the most visible change being the new
driver mt76. But there's also Kconfig refactoring in ath9k and ath10k,
work beginning in iwlwifi to have rate scaling in firmware/hardware,
wcn3990 support getting closer in ath10k and lots of smaller changes.
mt76
* a new driver for MT76x2e, a 2x2 PCIe 802.11ac chipset by MediaTek
ath10k
* enable multiqueue support for all hw using mac80211 wake_tx_queue op
* new Kconfig option ATH10K_SPECTRAL to save RAM
* show tx stats on QCA9880
* new qcom,ath10k-calibration-variant DT entry
* WMI layer support for wcn3990
ath9k
* new Kconfig option ATH9K_COMMON_SPECTRAL to save RAM
wcn36xx
* hardware scan offload support
wil6210
* run-time PM support when interface is down
iwlwifi
* initial work for rate-scaling offload
* Support for new FW API version 36
* Rename the temporary hw name A000 to 22000
ssb
* make SSB a menuconfig to ease disabling it all
mwl8k
* enable non-DFS 5G channels 149-165
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Merge tag 'wireless-drivers-next-for-davem-2017-12-18' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
The drivers/net/wireless/intel/iwlwifi/pcie/drv.c conflict was
resolved using a diff provided by Kalle in his pull request.
Kalle Valo says:
====================
wireless-drivers-next patches for 4.16
A bigger pull request this time, the most visible change being the new
driver mt76. But there's also Kconfig refactoring in ath9k and ath10k,
work beginning in iwlwifi to have rate scaling in firmware/hardware,
wcn3990 support getting closer in ath10k and lots of smaller changes.
mt76
* a new driver for MT76x2e, a 2x2 PCIe 802.11ac chipset by MediaTek
ath10k
* enable multiqueue support for all hw using mac80211 wake_tx_queue op
* new Kconfig option ATH10K_SPECTRAL to save RAM
* show tx stats on QCA9880
* new qcom,ath10k-calibration-variant DT entry
* WMI layer support for wcn3990
ath9k
* new Kconfig option ATH9K_COMMON_SPECTRAL to save RAM
wcn36xx
* hardware scan offload support
wil6210
* run-time PM support when interface is down
iwlwifi
* initial work for rate-scaling offload
* Support for new FW API version 36
* Rename the temporary hw name A000 to 22000
ssb
* make SSB a menuconfig to ease disabling it all
mwl8k
* enable non-DFS 5G channels 149-165
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
For T6, tid start range should be read from
LE_DB_ACTIVE_TABLE_START_INDEX_A register.
Signed-off-by: Arjun Vynipadath <arjun@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Johan Hedberg says:
====================
pull request: bluetooth-next 2017-12-18
Here's the first bluetooth-next pull request for the 4.16 kernel.
- hci_ll: multiple cleanups & fixes
- Remove Gustavo Padovan from the MAINTAINERS file
- Support BLE Adversing while connected (if the controller can do it)
- DT updates for TI chips
- Various other smaller cleanups & fixes
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Allow the boot loader to specify the MAC address in the device tree
to override the EEPROM, or in case no EEPROM is present.
Cc: Ben Dooks <ben@simtec.co.uk>
Cc: Tristram Ha <tristram.ha@micrel.com>
Cc: David J. Choi <david.choi@micrel.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jonas Gorski says:
====================
bcm63xx_enet: remove mac_id usage
This patchset aims at reducing the platform device id number usage with
the target of making it eventually possible to probe the driver through OF.
Runtested on BCM6358.
Since the patches touch mostly net/, they should go through net-next.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Directly use the platform device for generating the miibus name. This
removes the last user of bcm_enet_priv::mac_id and we can remove the
field.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Enabling the ephy clock for mac 1 is harmless, and the actual usage of
the ephy is not restricted to mac 0, so we might as well remove the
check.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To reduce the reliance on device ids, pass the dma channel numbers to
the enet devices as platform data.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that we have the individual clocks available as "enet" we
don't need to rely on the device id for them anymore.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Haishuang Yan says:
====================
net: speedup geneve/vxlan tunnels dismantle
This patch series add batching to vxlan/geneve tunnels so that netns
dismantles are less costly.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Since we now hold RTNL lock in geneve_exit_net, it's better batch them
to speedup geneve tunnel dismantle.
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since we now hold RTNL lock in vxlan_exit_net, it's better to batch them
to speedup vxlan tunnels dismantle.
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since both first_tx_ctx and tx_skb are the head of tx ctx, it not
necessary to use two structure members to statically indicate
the head of tx ctx. So first_tx_ctx is removed.
CC: Srinivas Eeda <srinivas.eeda@oracle.com>
CC: Joe Jin <joe.jin@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan says:
====================
Introduce NETIF_F_GRO_HW
Introduce NETIF_F_GRO_HW feature flag and convert drivers that support
hardware GRO to use the new flag.
v5:
- Documentation changes requested by Alexander Duyck.
- bnx2x changes requested by Manish Chopra to enable LRO by default, and
disable GRO_HW if disable_tpa module parameter is set.
v4:
- more changes requested by Alexander Duyck:
- check GRO_HW/GRO dependency in drivers's ndo_fix_features().
- Reverse the order of RXCSUM and GRO_HW dependency check in
netdev_fix_features().
- No propagation in netdev_disable_gro_hw().
v3:
- Let driver's ndo_fix_features() disable NETIF_F_LRO when NETIF_F_GRO_HW
is set instead of doing it in common netdev_fix_features().
v2:
- NETIF_F_GRO_HW flag propagation between upper and lower devices not
required (see patch 1).
- NETIF_F_GRO_HW depends on NETIF_F_GRO and NETIF_F_RXCSUM.
- Add dev_disable_gro_hw() to disable GRO_HW for generic XDP.
- Use ndo_fix_features() on all 3 drivers to drop GRO_HW when it is not
supported
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Advertise NETIF_F_GRO_HW and set edev->gro_disable according to the
feature flag. Add qede_fix_features() to drop NETIF_F_GRO_HW if
XDP is running or MTU does not support GRO_HW or GRO is not set.
qede_change_mtu() also checks and disables GRO_HW if MTU is not
supported.
Cc: Ariel Elior <Ariel.Elior@cavium.com>
Cc: everest-linux-l2@cavium.com
Acked-by: Manish Chopra <manish.chopra@cavium.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Acked-by: Manish Chopra <manish.chopra@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Advertise NETIF_F_GRO_HW and turn on TPA_MODE_GRO when NETIF_F_GRO_HW
is set. Disable NETIF_F_GRO_HW in bnx2x_fix_features() if the MTU
does not support TPA_MODE_GRO or GRO is not set. bnx2x_change_mtu() also
needs to disable NETIF_F_GRO_HW if the MTU does not support it.
Original parameter disable_tpa will continue to disable LRO and GRO_HW.
Preserve the original behavior of enabling LRO by default. User has
to run ethtool -K to explicitly enable GRO_HW.
Cc: Ariel Elior <Ariel.Elior@cavium.com>
Cc: everest-linux-l2@cavium.com
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Acked-by: Manish Chopra <manish.chopra@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Advertise NETIF_F_GRO_HW in hw_features if hardware GRO is supported.
In bnxt_fix_features(), disable GRO_HW and LRO if current hardware
configuration does not allow it. GRO_HW depends on GRO. GRO_HW is
also mutually exclusive with LRO. XDP setup will now rely on
bnxt_fix_features() to turn off aggregation. During chip init, turn on
or off hardware GRO based on NETIF_F_GRO_HW in features flag.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Hardware should not aggregate any packets when generic XDP is installed.
Cc: Ariel Elior <Ariel.Elior@cavium.com>
Cc: everest-linux-l2@cavium.com
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Introduce NETIF_F_GRO_HW feature flag for NICs that support hardware
GRO. With this flag, we can now independently turn on or off hardware
GRO when GRO is on. Previously, drivers were using NETIF_F_GRO to
control hardware GRO and so it cannot be independently turned on or
off without affecting GRO.
Hardware GRO (just like GRO) guarantees that packets can be re-segmented
by TSO/GSO to reconstruct the original packet stream. Logically,
GRO_HW should depend on GRO since it a subset, but we will let
individual drivers enforce this dependency as they see fit.
Since NETIF_F_GRO is not propagated between upper and lower devices,
NETIF_F_GRO_HW should follow suit since it is a subset of GRO. In other
words, a lower device can independent have GRO/GRO_HW enabled or disabled
and no feature propagation is required. This will preserve the current
GRO behavior. This can be changed later if we decide to propagate GRO/
GRO_HW/RXCSUM from upper to lower devices.
Cc: Ariel Elior <Ariel.Elior@cavium.com>
Cc: everest-linux-l2@cavium.com
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When CONFIG_PROC_FS is disabled, we will not use the prot_inuse
counter. This adds an #ifdef to hide the variable definition in
that case. This is not a bugfix. But we can save bytes when there
are many network namespace.
Cc: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Martin Zhang <zhangjunweimartin@didichuxing.com>
Signed-off-by: Tonghao Zhang <zhangtonghao@didichuxing.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In some case, we want to know how many sockets are in use in
different _net_ namespaces. It's a key resource metric.
This patch add a member in struct netns_core. This is a counter
for socket-inuse in the _net_ namespace. The patch will add/sub
counter in the sk_alloc, sk_clone_lock and __sk_free.
This patch will not counter the socket created in kernel.
It's not very useful for userspace to know how many kernel
sockets we created.
The main reasons for doing this are that:
1. When linux calls the 'do_exit' for process to exit, the functions
'exit_task_namespaces' and 'exit_task_work' will be called sequentially.
'exit_task_namespaces' may have destroyed the _net_ namespace, but
'sock_release' called in 'exit_task_work' may use the _net_ namespace
if we counter the socket-inuse in sock_release.
2. socket and sock are in pair. More important, sock holds the _net_
namespace. We counter the socket-inuse in sock, for avoiding holding
_net_ namespace again in socket. It's a easy way to maintain the code.
Signed-off-by: Martin Zhang <zhangjunweimartin@didichuxing.com>
Signed-off-by: Tonghao Zhang <zhangtonghao@didichuxing.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change the member name will make the code more readable.
This patch will be used in next patch.
Signed-off-by: Martin Zhang <zhangjunweimartin@didichuxing.com>
Signed-off-by: Tonghao Zhang <zhangtonghao@didichuxing.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Simplify PCIe Completion Timeout setting by using the
pcie_capability_clear_and_set_word() interface. No functional change
intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
William Tu says:
====================
net: erspan: a couple fixes
Haishuang Yan reports a couple of issues (wrong return value,
pskb_may_pull) on erspan V1. Since erspan V2 is in net-next,
this series fix the similar issues on v2.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
pskb_may_pull() can change skb->data, so we need to re-load pkt_md
and ershdr at the right place.
Fixes: 94d7d8f292 ("ip6_gre: add erspan v2 support")
Fixes: f551c91de2 ("net: erspan: introduce erspan v2 for ip_gre")
Signed-off-by: William Tu <u9012063@gmail.com>
Cc: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If pskb_may_pull return failed, return PACKET_REJECT
instead of -ENOMEM.
Fixes: 94d7d8f292 ("ip6_gre: add erspan v2 support")
Fixes: f551c91de2 ("net: erspan: introduce erspan v2 for ip_gre")
Signed-off-by: William Tu <u9012063@gmail.com>
Cc: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Acked-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Russell King says:
====================
More SFP/phylink fixes
This series fixes a few more bits with sfp/phylink, particularly
confusion with the right way to test for the RTNL mutex being
held, a change in 2016 to the mdiobus_scan() behaviour that wasn't
noticed, and a fix for reading module EEPROMs.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Use ASSERT_RTNL() rather than WARN_ON(!lockdep_rtnl_is_held()) which
stops working when lockdep fires, and we end up with lots of warnings.
Fixes: 9525ae8395 ("phylink: add phylink infrastructure")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
The EEPROM reading was trying to read from the second EEPROM address
if we requested the last byte from the SFF8079 EEPROM, which caused a
failure when the second EEPROM is not present. Discovered with a
S-RJ01 SFP module. Fix this.
Fixes: 7397005545 ("sfp: add SFP module support")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
The detection of a PHY changed in commit e98a3aabf8 ("mdio_bus: don't
return NULL from mdiobus_scan()") which now causes sfp to print an
error message. Update for this change.
Fixes: 7397005545 ("sfp: add SFP module support")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current HNCDSC handler takes the status flag from the AEN packet and
will update or change the current channel based on this flag and the
current channel status.
However the flag from the HNCDSC packet merely represents the host link
state. While the state of the host interface is potentially interesting
information it should not affect the state of the NCSI link. Indeed the
NCSI specification makes no mention of any recommended action related to
the host network controller driver state.
Update the HNCDSC handler to record the host network driver status but
take no other action.
Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Acked-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jerome Brunet says:
====================
net: phy: meson-gxl: clean-up and improvements
This patchset adds defines for the control registers and helpers to access
the banked registers. The goal being to make it easier to understand what
the driver actually does.
Then CONFIG_A6 settings is removed since this statement was without effect
Finally interrupt support is added, speeding things up a little
This series has been tested on the libretech-cc and khadas VIM
Changes since v2 [0]:
Drop LPA corruption fix which has been merged through net. Apart from this,
series remains the same.
[0]: https://lkml.kernel.org/r/20171207142715.32578-1-jbrunet@baylibre.com
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Following previous changes, join the other authors of this driver and
take the blame with them
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Enable interrupt support in meson-gxl PHY driver
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The PHY performs just as well when left in its default configuration and
it makes senses because this poke gets reset just after init.
According to the documentation, all registers in the Analog/DSP bank are
reset when there is a mode switch from 10BT to 100BT. The bank is also
reset on power down and soft reset, so we will never see the value which
may have been set by the bootloader.
In the end, we have used the default configuration so far and there is no
reason to change now. Remove CONFIG_A6 poke to make this clear.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the generic init function to populate some of the phydev
structure fields
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add read and write helpers to manipulate banked registers on this PHY
This helps clarify the settings applied to these registers and what the
driver actually does
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Define registers and bits in meson-gxl PHY driver to make a bit
more human friendly. No functional change.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Always check phy_write return values. Better to be safe than sorry
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller