When gfs2 was converted to use fs_context, the initialisation of the
mount args structure to the currently active args was lost with the
removal of gfs2_remount_fs(), so the checks of the new args on remount
became checks against the default values instead of the current ones.
This caused unexpected remount behaviour and test failures (xfstests
generic/294, generic/306 and generic/452).
Reinstate the args initialisation, this time in gfs2_init_fs_context()
and conditional upon fc->purpose, as that's the only time we get control
before the mount args are parsed in the remount process.
Fixes: 1f52aa08d1 ("gfs2: Convert gfs2 to fs_context")
Signed-off-by: Andrew Price <anprice@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Acer Aspire A315-41 requires the very same workaround as the existing
quirk for Dell Latitude 5495. Add the new entry for that.
BugLink: https://bugzilla.suse.com/show_bug.cgi?id=1137799
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
platform_get_irq() will call dev_err() itself on failure,
so there is no need for the driver to also do this.
This is detected by coccinelle.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This patch disables setting of HT20 and more for channel 14 because
the channel is only for IEEE 802.11b.
The patch for net/wireless/util.c was unit-tested.
The patch for net/wireless/chan.c was tested with iw command.
Before this patch.
$ sudo iw dev <ifname> set channel 14 HT20
$
After this patch.
$ sudo iw dev <ifname> set channel 14 HT20
kernel reports: invalid channel definition
command failed: Invalid argument (-22)
$
Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
Link: https://lore.kernel.org/r/20191021075045.2719-1-masashi.honma@gmail.com
[clean up the code, use != instead of equivalent >]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
I'm leaving SiFive in a bit less than two weeks, which means I'll be
losing my @sifive email address. I don't have my new email address yet,
so I'm switching over to my personal address instead.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
When CONFIG_PM_SLEEP is not defined compiler complain as follow:
CC [M] drivers/net/ethernet/intel/e1000e/netdev.o
drivers/net/ethernet/intel/e1000e/netdev.c:6302:12: warning: ‘e1000e_s0ix_entry_flow’ defined but not used [-Wunused-function]
static void e1000e_s0ix_entry_flow(struct e1000_adapter *adapter)
drivers/net/ethernet/intel/e1000e/netdev.c:6411:12: warning: ‘e1000e_s0ix_exit_flow’ defined but not used [-Wunused-function]
static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter)
LD [M] drivers/net/ethernet/intel/e1000e/e1000e.o
Add wrap to fix these warnings.
Reported-by: kbuild test robot <lpk@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Add devices ID's for the next LOM generations that will be
available on the next Intel Client platform (Tiger Lake)
This patch provides the initial support for these devices
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Based on a series from Alexander Duyck this change adds UDP segmentation
offload support to the i40e driver.
CC: Alexander Duyck <alexander.h.duyck@intel.com>
CC: Willem de Bruijn <willemb@google.com>
Signed-off-by: Josh Hunt <johunt@akamai.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Repost from a series by Alexander Duyck to add UDP segmentation offload
support to the igb driver:
https://lore.kernel.org/netdev/20180504003916.4769.66271.stgit@localhost.localdomain/
CC: Alexander Duyck <alexander.h.duyck@intel.com>
CC: Willem de Bruijn <willemb@google.com>
Suggested-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Josh Hunt <johunt@akamai.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Based on a series from Alexander Duyck this change adds UDP segmentation
offload support to the igb driver.
CC: Alexander Duyck <alexander.h.duyck@intel.com>
CC: Willem de Bruijn <willemb@google.com>
Signed-off-by: Josh Hunt <johunt@akamai.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Lars Poeschel says:
====================
nfc: pn533: add uart phy driver
The purpose of this patch series is to add a uart phy driver to the
pn533 nfc driver.
It first changes the dt strings and docs. The dt compatible strings
need to change, because I would add "pn532-uart" to the already
existing "pn533-i2c" one. These two are now unified into just
"pn532". Then the neccessary changes to the pn533 core driver are
made. Then the uart phy is added.
As the pn532 chip supports a autopoll, I wanted to use this instead
of the software poll loop in the pn533 core driver. It is added and
activated by the last to patches.
The way to add the autopoll later in seperate patches is chosen, to
show, that the uart phy driver can also work with the software poll
loop, if someone needs that for some reason.
In v11 of this patchseries I address a byte ordering issue reported
by kbuild test robot in patch 5/7.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This switches the pn532 UART phy driver from manually polling to the new
autopoll mechanism.
Cc: Johan Hovold <johan@kernel.org>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
pn532 devices support an autopoll command, that lets the chip
automatically poll for selected nfc technologies instead of manually
looping through every single nfc technology the user is interested in.
This is faster and less cpu and bus intensive than manually polling.
This adds this autopoll capability to the pn533 driver.
Cc: Johan Hovold <johan@kernel.org>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds the UART phy interface for the pn533 driver.
The pn533 driver can be used through UART interface this way.
It is implemented as a serdev device.
Cc: Johan Hovold <johan@kernel.org>
Cc: Claudiu Beznea <Claudiu.Beznea@microchip.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a problem in the initialisation and setup of the pn533: It
registers with nfc too early. It could happen, that it finished
registering with nfc and someone starts using it. But setup of the pn533
is not yet finished. Bad or at least unintended things could happen.
So I split out nfc registering (and unregistering) to seperate functions
that have to be called late in probe then.
i2c requires a bit more love: i2c requests an irq in it's probe
function. 'Commit 32ecc75ded ("NFC: pn533: change order operations in
dev registation")' shows, this can not happen too early. An irq can be
served before structs are fully initialized. The way chosen to prevent
this is to request the irq after nfc_alloc_device initialized the
structs, but before nfc_register_device. So there is now this
pn532_i2c_nfc_alloc function.
Cc: Johan Hovold <johan@kernel.org>
Cc: Claudiu Beznea <Claudiu.Beznea@microchip.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds hooks for dev_up and dev_down to the phy_ops. They are
optional.
The idea is to inform the phy driver when the nfc chip is really going
to be used. When it is not used, the phy driver can suspend it's
interface to the nfc chip to save some power. The nfc chip is considered
not in use before dev_up and after dev_down.
Cc: Johan Hovold <johan@kernel.org>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds documentation about the uart phy to the pn532 binding doc. As
the filename "pn533-i2c.txt" is not appropriate any more, rename it to
the more general "pn532.txt".
This also documents the deprecation of the compatible strings ending
with "...-i2c".
Cc: Johan Hovold <johan@kernel.org>
Cc: Simon Horman <horms@verge.net.au>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
It is favourable to have one unified compatible string for devices that
have multiple interfaces. So this adds simply "pn532" as the devicetree
binding compatible string and makes a note that the old ones are
deprecated.
Cc: Johan Hovold <johan@kernel.org>
Cc: Simon Horman <horms@verge.net.au>
Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since we no longer check for __E1000_DOWN in e1000e_close we can drop the
spot where we were restoring the bit. This saves us a bit of unnecessary
complexity.
Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch is meant to address possible race conditions that can exist
between network configuration and power management. A similar issue was
fixed for igb in commit 9474933caf ("igb: close/suspend race in
netif_device_detach").
In addition it consolidates the code so that the PCI error handling code
will essentially perform the power management freeze on the device prior to
attempting a reset, and will thaw the device afterwards if that is what it
is planning to do. Otherwise when we call close on the interface it should
see it is detached and not attempt to call the logic to down the interface
and free the IRQs again.
From what I can tell the check that was adding the check for __E1000_DOWN
in e1000e_close was added when runtime power management was added. However
it should not be relevant for us as we perform a call to
pm_runtime_get_sync before we call e1000_down/free_irq so it should always
be back up before we call into this anyway.
Reported-by: Morumuri Srivalli <smorumu1@in.ibm.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Tested-by: David Dai <zdai@linux.vnet.ibm.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Merge tag 'mlx5-fixes-2019-10-24' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Mellanox, mlx5 fixes 2019-10-24
This series introduces misc fixes to mlx5 driver.
v1->v2:
- Dropped the kTLS counter documentation patch, Tariq will fix it and
send it later.
- Added a new fix for link speed mode reporting.
('net/mlx5e: Initialize link modes bitmap on stack')
For -stable v4.14
('net/mlx5e: Fix handling of compressed CQEs in case of low NAPI budget')
For -stable v4.19
('net/mlx5e: Fix ethtool self test: link speed')
For -stable v5.2
('net/mlx5: Fix flow counter list auto bits struct')
('net/mlx5: Fix rtable reference leak')
For -stable v5.3
('net/mlx5e: Remove incorrect match criteria assignment line')
('net/mlx5e: Determine source port properly for vlan push action')
('net/mlx5e: Initialize link modes bitmap on stack')
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add devices ID's for the next LOM generations that will be
available on the next Intel Client platform (Comet Lake)
This patch provides the initial support for these devices
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
A simple typo fix in the nl error message (fbd -> fdb).
CC: David Ahern <dsahern@gmail.com>
Fixes: 8c6e137fbc ("rtnetlink: Update rtnl_fdb_dump for strict data checking")
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nikolay Aleksandrov says:
====================
net: bridge: convert fdbs to use bitops
We'd like to have a well-defined behaviour when changing fdb flags. The
problem is that we've added new fields which are changed from all
contexts without any locking. We are aware of the bit test/change races
and these are fine (we can remove them later), but it is considered
undefined behaviour to change bitfields from multiple threads and also
on some architectures that can result in unexpected results,
specifically when all fields between the changed ones are also
bitfields. The conversion to bitops shows the intent clearly and
makes them use functions with well-defined behaviour in such cases.
There is no overhead for the fast-path, the bit changing functions are
used only in special cases when learning and in the slow path.
In addition this conversion allows us to simplify fdb flag handling and
avoid bugs for future bits (e.g. a forgetting to clear the new bit when
allocating a new fdb). All bridge selftests passed, also tried all of the
converted bits manually in a VM.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
No need to have separate arguments for each flag, just set the flags to
whatever was passed to fdb_create() before the fdb is published.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Convert the offloaded field to a flag and use bitops.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Convert the added_by_external_learn field to a flag and use bitops.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Straight-forward convert of the added_by_user field to bitops.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Straight-forward convert of the is_sticky field to bitops.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Convert the is_static to bitops, make use of the combined
test_and_set/clear_bit to simplify expressions in fdb_add_entry.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The patch adds a new fdb flags field in the hole between the two cache
lines and uses it to convert is_local to bitops.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The only smc-related reference in net/sock.h is struct smc_hashinfo.
But just its address is refered to. Thus there is no need for the
include of net/smc.h. Remove it.
Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If a nonblocking socket is immediately closed after connect(),
the connect worker may not have started. This results in a refcount
problem, since sock_hold() is called from the connect worker.
This patch moves the sock_hold in front of the connect worker
scheduling.
Reported-by: syzbot+4c063e6dea39e4b79f29@syzkaller.appspotmail.com
Fixes: 50717a37db ("net/smc: nonblocking connect rework")
Reviewed-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use platform_get_irq_byname_optional() and platform_get_irq_optional()
instead of platform_get_irq_byname() and platform_get_irq() for optional
IRQs to avoid below error message during probe:
[ 0.795803] fec 30be0000.ethernet: IRQ pps not found
[ 0.800787] fec 30be0000.ethernet: IRQ index 3 not found
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Failed to get irq using name is NOT fatal as driver will use index
to get irq instead, use platform_get_irq_byname_optional() instead
of platform_get_irq_byname() to avoid below error message during
probe:
[ 0.819312] fec 30be0000.ethernet: IRQ int0 not found
[ 0.824433] fec 30be0000.ethernet: IRQ int1 not found
[ 0.829539] fec 30be0000.ethernet: IRQ int2 not found
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, TIPC transports intra-node user data messages directly
socket to socket, hence shortcutting all the lower layers of the
communication stack. This gives TIPC very good intra node performance,
both regarding throughput and latency.
We now introduce a similar mechanism for TIPC data traffic across
network namespaces located in the same kernel. On the send path, the
call chain is as always accompanied by the sending node's network name
space pointer. However, once we have reliably established that the
receiving node is represented by a namespace on the same host, we just
replace the namespace pointer with the receiving node/namespace's
ditto, and follow the regular socket receive patch though the receiving
node. This technique gives us a throughput similar to the node internal
throughput, several times larger than if we let the traffic go though
the full network stacks. As a comparison, max throughput for 64k
messages is four times larger than TCP throughput for the same type of
traffic.
To meet any security concerns, the following should be noted.
- All nodes joining a cluster are supposed to have been be certified
and authenticated by mechanisms outside TIPC. This is no different for
nodes/namespaces on the same host; they have to auto discover each
other using the attached interfaces, and establish links which are
supervised via the regular link monitoring mechanism. Hence, a kernel
local node has no other way to join a cluster than any other node, and
have to obey to policies set in the IP or device layers of the stack.
- Only when a sender has established with 100% certainty that the peer
node is located in a kernel local namespace does it choose to let user
data messages, and only those, take the crossover path to the receiving
node/namespace.
- If the receiving node/namespace is removed, its namespace pointer
is invalidated at all peer nodes, and their neighbor link monitoring
will eventually note that this node is gone.
- To ensure the "100% certainty" criteria, and prevent any possible
spoofing, received discovery messages must contain a proof that the
sender knows a common secret. We use the hash mix of the sending
node/namespace for this purpose, since it can be accessed directly by
all other namespaces in the kernel. Upon reception of a discovery
message, the receiver checks this proof against all the local
namespaces'hash_mix:es. If it finds a match, that, along with a
matching node id and cluster id, this is deemed sufficient proof that
the peer node in question is in a local namespace, and a wormhole can
be opened.
- We should also consider that TIPC is intended to be a cluster local
IPC mechanism (just like e.g. UNIX sockets) rather than a network
protocol, and hence we think it can justified to allow it to shortcut the
lower protocol layers.
Regarding traceability, we should notice that since commit 6c9081a391
("tipc: add loopback device tracking") it is possible to follow the node
internal packet flow by just activating tcpdump on the loopback
interface. This will be true even for this mechanism; by activating
tcpdump on the involved nodes' loopback interfaces their inter-name
space messaging can easily be tracked.
v2:
- update 'net' pointer when node left/rejoined
v3:
- grab read/write lock when using node ref obj
v4:
- clone traffics between netns to loopback
Suggested-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
syzbot triggered struct net NULL deref in NF_HOOK_LIST:
RIP: 0010:NF_HOOK_LIST include/linux/netfilter.h:331 [inline]
RIP: 0010:ip6_sublist_rcv+0x5c9/0x930 net/ipv6/ip6_input.c:292
ipv6_list_rcv+0x373/0x4b0 net/ipv6/ip6_input.c:328
__netif_receive_skb_list_ptype net/core/dev.c:5274 [inline]
Reason:
void ipv6_list_rcv(struct list_head *head, struct packet_type *pt,
struct net_device *orig_dev)
[..]
list_for_each_entry_safe(skb, next, head, list) {
/* iterates list */
skb = ip6_rcv_core(skb, dev, net);
/* ip6_rcv_core drops skb -> NULL is returned */
if (skb == NULL)
continue;
[..]
}
/* sublist is empty -> curr_net is NULL */
ip6_sublist_rcv(&sublist, curr_dev, curr_net);
Before the recent change NF_HOOK_LIST did a list iteration before
struct net deref, i.e. it was a no-op in the empty list case.
List iteration now happens after *net deref, causing crash.
Follow the same pattern as the ip(v6)_list_rcv loop and add a list_empty
test for the final sublist dispatch too.
Cc: Edward Cree <ecree@solarflare.com>
Reported-by: syzbot+c54f457cad330e57e967@syzkaller.appspotmail.com
Fixes: ca58fbe06c ("netfilter: add and use nf_hook_slow_list()")
Signed-off-by: Florian Westphal <fw@strlen.de>
Tested-by: Leon Romanovsky <leonro@mellanox.com>
Tested-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dave's Facebook email address is not working, and my attempts
to contact him are failing. Let's remove it to trim down the
list of TLS maintainers.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use true/false for bool type in bnxt_timer function.
Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
use true/false on bool type variables for assignment.
Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Heiner Kallweit says:
====================
net: phy: marvell: fix and extend downshift support
This series includes two fixes and two extensions for downshift support.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
More PHY versions are compatible with the existing downshift
implementation, so let's add downshift support for them.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds downshift support for M88E1111. This PHY version uses
another register for downshift configuration, reading downshift status
is possible via the same register as for other PHY versions.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
I got access to the M88E1111 datasheet, and this PHY version uses
another register for downshift configuration. Therefore change prefix
to m88e1011, aligned with constants like MII_M1011_PHY_SCR.
Fixes: a3bdfce7bf ("net: phy: marvell: support downshift as PHY tunable")
Reported-by: Chris Healy <Chris.Healy@zii.aero>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix typo and use PHY_SCR for PHY-specific Control Register.
Fixes: a3bdfce7bf ("net: phy: marvell: support downshift as PHY tunable")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
