Commit Graph

664374 Commits

Author SHA1 Message Date
Joao Pinto
d976a525c3 net: stmmac: multiple queues dt configuration
This patch adds the multiple queues configuration in the Device Tree.
It was also created a set of structures to keep the RX and TX queues
configurations to be used in the driver.

Signed-off-by: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:41:02 -07:00
David Ahern
e37791ec1a mpls: Send route delete notifications when router module is unloaded
When the mpls_router module is unloaded, mpls routes are deleted but
notifications are not sent to userspace leaving userspace caches
out of sync. Add the call to mpls_notify_route in mpls_net_exit as
routes are freed.

Fixes: 0189197f44 ("mpls: Basic routing support")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:39:32 -07:00
David S. Miller
429a372e3e Merge branch 'stmmac-tegra186'
Thierry Reding says:

====================
net: stmmac: Fixes and Tegra186 support

This series of patches start with a few cleanups that I ran across while
adding Tegra186 support to the stmmac driver. It then adds code for FIFO
size parsing from feature registers and finally enables support for the
incarnation of the Synopsys DWC QOS IP found on NVIDIA Tegra186 SoCs.

This is based on next-20170310.

Changes in v2:
- address review comments by Mikko and Joao
- add two additional cleanup patches
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:21 -07:00
Thierry Reding
e6ea2d16fc net: stmmac: dwc-qos: Add Tegra186 support
The NVIDIA Tegra186 SoC contains an instance of the Synopsys DWC
ethernet QOS IP core. The binding that it uses is slightly different
from existing ones because of the integration (clocks, resets, ...).

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:21 -07:00
Thierry Reding
cee45b2eda net: stmmac: dwc-qos: Split out ->probe() and ->remove()
Split out the binding specific parts of ->probe() and ->remove() to
enable the driver to support variants of the binding. This is useful in
order to keep backwards-compatibility while making it easy for a sub-
driver to deal only with the updated bindings rather than having to add
compatibility quirks all over the place.

Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-By: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:20 -07:00
Thierry Reding
356b755785 net: stmmac: Program RX queue size and flow control
Program the receive queue size based on the RX FIFO size and enable
hardware flow control for large FIFOs.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:20 -07:00
Thierry Reding
11fbf811c8 net: stmmac: Parse FIFO sizes from feature registers
New version of this core encode the FIFO sizes in one of the feature
registers. Use these sizes as default, but still allow device tree to
override them for backwards compatibility.

Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:20 -07:00
Thierry Reding
937071c171 net: stmmac: Check for DMA mapping errors
When DMA mapping an SKB fragment, the mapping must be checked for
errors, otherwise the DMA debug code will complain upon unmap.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:20 -07:00
Thierry Reding
0ad2be79f2 net: stmmac: Balance PTP reference clock enable/disable
clk_prepare_enable() and clk_disable_unprepare() for this clock aren't
properly balanced, which can trigger a WARN_ON() in the common clock
framework.

Reviewed-By: Joao Pinto <jpinto@synopsys.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:20 -07:00
Thierry Reding
c66f6c3775 net: stmmac: Disable PTP reference clock on error
If an error occurs while opening the device, make sure to disable the
PTP reference clock.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:19 -07:00
Thierry Reding
6c1e5abe07 net: stmmac: Stop PHY and remove TX timer on error
If an error occurs while opening the device, make sure that both the TX
timer and the PHY are properly cleaned up.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:19 -07:00
Thierry Reding
9fbb9dd8ee net: stmmac: Rename clk_ptp_ref clock to ptp_ref
There aren't currently any users of the "clk_ptp_ref", but there are
other references to "ptp_ref", so I'm leaning towards considering that a
typo. Fix it.

Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:35:19 -07:00
Etienne Noss
52491c7607 act_connmark: avoid crashing on malformed nlattrs with null parms
tcf_connmark_init does not check in its configuration if TCA_CONNMARK_PARMS
is set, resulting in a null pointer dereference when trying to access it.

[501099.043007] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
[501099.043039] IP: [<ffffffffc10c60fb>] tcf_connmark_init+0x8b/0x180 [act_connmark]
...
[501099.044334] Call Trace:
[501099.044345]  [<ffffffffa47270e8>] ? tcf_action_init_1+0x198/0x1b0
[501099.044363]  [<ffffffffa47271b0>] ? tcf_action_init+0xb0/0x120
[501099.044380]  [<ffffffffa47250a4>] ? tcf_exts_validate+0xc4/0x110
[501099.044398]  [<ffffffffc0f5fa97>] ? u32_set_parms+0xa7/0x270 [cls_u32]
[501099.044417]  [<ffffffffc0f60bf0>] ? u32_change+0x680/0x87b [cls_u32]
[501099.044436]  [<ffffffffa4725d1d>] ? tc_ctl_tfilter+0x4dd/0x8a0
[501099.044454]  [<ffffffffa44a23a1>] ? security_capable+0x41/0x60
[501099.044471]  [<ffffffffa470ca01>] ? rtnetlink_rcv_msg+0xe1/0x220
[501099.044490]  [<ffffffffa470c920>] ? rtnl_newlink+0x870/0x870
[501099.044507]  [<ffffffffa472cc61>] ? netlink_rcv_skb+0xa1/0xc0
[501099.044524]  [<ffffffffa47073f4>] ? rtnetlink_rcv+0x24/0x30
[501099.044541]  [<ffffffffa472c634>] ? netlink_unicast+0x184/0x230
[501099.044558]  [<ffffffffa472c9d8>] ? netlink_sendmsg+0x2f8/0x3b0
[501099.044576]  [<ffffffffa46d8880>] ? sock_sendmsg+0x30/0x40
[501099.044592]  [<ffffffffa46d8e03>] ? SYSC_sendto+0xd3/0x150
[501099.044608]  [<ffffffffa425fda1>] ? __do_page_fault+0x2d1/0x510
[501099.044626]  [<ffffffffa47fbd7b>] ? system_call_fast_compare_end+0xc/0x9b

Fixes: 22a5dc0e5e ("net: sched: Introduce connmark action")
Signed-off-by: Étienne Noss <etienne.noss@wifirst.fr>
Signed-off-by: Victorien Molle <victorien.molle@wifirst.fr>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:32:41 -07:00
Vincent Bernat
8f48ba71ed vxlan: use appropriate family on L3 miss
When sending a L3 miss, the family is set to AF_INET even for IPv6. This
causes userland (eg "ip monitor") to be confused. Ensure we send the
appropriate family in this case. For L2 miss, keep using AF_INET.

Signed-off-by: Vincent Bernat <vincent@bernat.im>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:31:05 -07:00
Neil Jerram
88a7cddce2 Make IP 'forwarding' doc more precise
It wasn't clear if the 'forwarding' setting needs to be enabled on the
interface that packets are received from, or on the interface that
packets are forwarded to, or both.

In fact (according to my code reading) the setting is relevant on the
interface that packets are received from, so this change updates the doc
to say that.

Signed-off-by: Neil Jerram <neil@tigera.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:28:43 -07:00
Gao Feng
8b57fd1ec1 net: Eliminate duplicated codes by creating one new function in_dev_select_addr
There are two duplicated loops codes which used to select right
address in current codes. Now eliminate these codes by creating
one new function in_dev_select_addr.

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:27:09 -07:00
David S. Miller
81663bee16 Merge branch 'sctp-rx-side-stream-reconf-asoc-reset-and-add-streams-and-response'
Xin Long says:

====================
sctp: add receiver-side procedures for stream reconf asoc reset and add streams and response

Patch 2/7, 4/7, 5/7, 6/7 are to implement the process of asoc reset request,
add streams requests and all kinds of responses.

Patch 1/7 and 3/7 are ahead of 2/7 and 4/7 to add two event notification
for asoc reset and add streams.

Patch 7/7 is the last patch for implementing rfc6525 sctp stream reconf
to add sysctl and sockopt interface for users to enable sctp stream reconf.

After this patchset, sctp stream reconf will be able to work as rfc6525.

v1->v2:
  - put these into a smaller group.
  - rename the titles of the commits and improve some changelogs.
  - improve sctp_chunk_lookup_strreset_param and reuse it in patch 4/7.
  - process addstrm outreq as the ack of in addstrm inreq if strreset_chunk
    is not NULL in patch 4/7.
  - remove the stream alloc when sending addstrm inreq, and the process in
    peer will response it by sending a addstrm out request back in patch 5/7.
  - adjust the process of addstrm in resp to fit in the codes that only alloc
    streams through addstrm outreq in patch 6/7.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:22:24 -07:00
Xin Long
c0d8bab6ae sctp: add get and set sockopt for reconf_enable
This patchset is to add SCTP_RECONFIG_SUPPORTED sockopt, it would
set and get asoc reconf_enable value when asoc_id is set, or it
would set and get ep reconf_enalbe value if asoc_id is 0.

It is also to add sysctl interface for users to set the default
value for reconf_enable.

After this patch, stream reconf will work.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:22:24 -07:00
Xin Long
11ae76e67a sctp: implement receiver-side procedures for the Reconf Response Parameter
This patch is to implement Receiver-Side Procedures for the
Re-configuration Response Parameter in rfc6525 section 5.2.7.

sctp_process_strreset_resp would process the response for any
kind of reconf request, and the stream reconf is applied only
when the response result is success.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:22:24 -07:00
Xin Long
c5c4ebb3ab sctp: implement receiver-side procedures for the Add Incoming Streams Request Parameter
This patch is to implement Receiver-Side Procedures for the Add Incoming
Streams Request Parameter described in rfc6525 section 5.2.6.

It is also to fix that it shouldn't have add streams when sending addstrm
in request, as the process in peer will handle it by sending a addstrm out
request back.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:22:24 -07:00
Xin Long
50a41591f1 sctp: implement receiver-side procedures for the Add Outgoing Streams Request Parameter
This patch is to add Receiver-Side Procedures for the Add Outgoing
Streams Request Parameter described in section 5.2.5.

It is also to improve sctp_chunk_lookup_strreset_param, so that it
can be used for processing addstrm_out request.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:22:23 -07:00
Xin Long
b444153fb5 sctp: add support for generating add stream change event notification
This patch is to add Stream Change Event described in rfc6525
section 6.1.3.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:22:23 -07:00
Xin Long
692787cef6 sctp: implement receiver-side procedures for the SSN/TSN Reset Request Parameter
This patch is to implement Receiver-Side Procedures for the SSN/TSN
Reset Request Parameter described in rfc6525 section 6.2.4.

The process is kind of complicate, it's wonth having some comments
from section 6.2.4 in the codes.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:22:23 -07:00
Xin Long
c95129d127 sctp: add support for generating assoc reset event notification
This patch is to add Association Reset Event described in rfc6525
section 6.1.2.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:22:23 -07:00
VSR Burru
b3ca9af0fb liquidio: optimize DMA in NUMA systems
Optimize DMA in NUMA systems by allocating memory from NUMA node that NIC
is plugged in to; DMA will no longer cross NUMA nodes.  If NIC IRQs are
pinned to a local CPU, that CPU's access to the DMA'd data is also
optimized.

Signed-off-by: VSR Burru <veerasenareddy.burru@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@cavium.com>
Signed-off-by: Satanand Burla <satananda.burla@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:17:00 -07:00
David S. Miller
de12e4fb8f Merge branch 'netvsc-fix-module-removal-hangs'
Stephen Hemminger says:

====================
netvsc: fix module removal hangs

A couple of patches are necessary to make netvsc driver module
removable again.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:15:44 -07:00
stephen hemminger
79cd874c96 netvsc: fix hang on netvsc module removal
The code in netvsc_device_remove was incorrectly calling napi_disable
repeatedly on the same element. This would cause attempts
to remove netvsc module to hang.

Fixes: 2506b1dc4bbe ("netvsc: implement NAPI")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:15:43 -07:00
stephen hemminger
0d6dd35784 netvsc: need napi scheduled during removal
Since rndis_halt_device waits until all outstanding sends and
receives are completed. Netvsc device needs to still schedule
NAPI to see those completions.

Fixes: 2506b1dc4bbe ("netvsc: implement NAPI")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:15:43 -07:00
stephen hemminger
7ce1012466 netvsc: handle select_queue when device is being removed
Move the send indirection table from the inner device (netvsc)
to the network device context.

It is possible that netvsc_device is not present (remove in progress).
This solves potential use after free issues when packet is being
created during MTU change, shutdown, or queue count changes.

Fixes: d8e18ee0fa ("netvsc: enhance transmit select_queue")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:13:41 -07:00
David Arcari
ecd052250b net: ethernet: aquantia: call set_irq_affinity_hint before free_irq
When a network interface controlled by the aquantia ethernet driver is brought
down a warning is output in dmesg (see below).

The problem is that aq_pci_func_free_irqs() is calling free_irq() before it is
calling irq_set_affinity_hint().

WARNING: CPU: 4 PID: 10068 at kernel/irq/manage.c:1503 __free_irq+0x24d/0x2b0
<snip>
Call Trace:
 dump_stack+0x63/0x87
 __warn+0xd1/0xf0
 warn_slowpath_null+0x1d/0x20
 __free_irq+0x24d/0x2b0
 free_irq+0x39/0x90
 aq_pci_func_free_irqs+0x52/0xa0 [atlantic]
 aq_nic_stop+0xca/0xd0 [atlantic]
 aq_ndev_close+0x1d/0x40 [atlantic]
 __dev_close_many+0x99/0x100
 __dev_close+0x67/0xb0
<snip>

Fixes: 36a4a50f40 ("net: ethernet: aquantia: switch to pci_alloc_irq_vectors")

Cc: Christoph Hellwig <hch@lst.de>
Cc: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David Arcari <darcari@redhat.com>
Tested-by: Pavel Belous <pavel.belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:08:35 -07:00
David S. Miller
115a731e52 Merge branch 'dpaa_eth-next' of git://git.freescale.com/ppc/upstream/linux
Madalin Bucur says:

====================
QorIQ DPAA 1 updates

This patch set introduces a series of fixes and features to the DPAA 1
drivers. Besides activating hardware Rx checksum offloading, four traffic
classes are added for Tx traffic prioritisation.

changes from v1: added patch to enable context-A stashing
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:01:07 -07:00
subashab@codeaurora.org
5425077d73 net: ipv6: Add early demux handler for UDP unicast
While running a single stream UDPv6 test, we observed that amount
of CPU spent in NET_RX softirq was much greater than UDPv4 for an
equivalent receive rate. The test here was run on an ARM64 based
Android system. On further analysis with perf, we found that UDPv6
was spending significant time in the statistics netfilter targets
which did socket lookup per packet. These statistics rules perform
a lookup when there is no socket associated with the skb. Since
there are multiple instances of these rules based on UID, there
will be equal number of lookups per skb.

By introducing early demux for UDPv6, we avoid the redundant lookups.
This also helped to improve the performance (800Mbps -> 870Mbps) on a
CPU limited system in a single stream UDPv6 receive test with 1450
byte sized datagrams using iperf.

v1->v2: Use IPv6 cookie to validate dst instead of 0 as suggested
by Eric

Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 22:54:17 -07:00
Jiri Kosina
49b499718f net: sched: make default fifo qdiscs appear in the dump
The original reason [1] for having hidden qdiscs (potential scalability
issues in qdisc_match_from_root() with single linked list in case of large
amount of qdiscs) has been invalidated by 59cc1f61f0 ("net: sched: convert
qdisc linked list to hashtable").

This allows us for bringing more clarity and determinism into the dump by
making default pfifo qdiscs visible.

We're not turning this on by default though, at it was deemed [2] too
intrusive / unnecessary change of default behavior towards userspace.
Instead, TCA_DUMP_INVISIBLE netlink attribute is introduced, which allows
applications to request complete qdisc hierarchy dump, including the
ones that have always been implicit/invisible.

Singleton noop_qdisc stays invisible, as teaching the whole infrastructure
about singletons would require quite some surgery with very little gain
(seeing no qdisc or seeing noop qdisc in the dump is probably setting
the same user expectation).

[1] http://lkml.kernel.org/r/1460732328.10638.74.camel@edumazet-glaptop3.roam.corp.google.com
[2] http://lkml.kernel.org/r/20161021.105935.1907696543877061916.davem@davemloft.net

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 22:53:02 -07:00
Andy Shevchenko
bafa687dcc extcon: int3496: Propagate error code of gpiod_to_irq()
gpiod_to_irq() doesn't return 0. Thus, we just adjust condition and
replace -EINVAL by actual error code it returns.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
2017-03-13 12:39:30 +09:00
Philippe Reynes
5e8456fdd2 net: hyperv: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Tested-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 19:28:08 -07:00
Philippe Reynes
031e51445a net: fjes: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 19:28:07 -07:00
Philippe Reynes
92f4a13efd net: via: via-velocity: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 19:28:07 -07:00
Philippe Reynes
f918b9861f net: via: via-rhine: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 19:28:07 -07:00
Philippe Reynes
8704f21c84 net: intel: ixgbe: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 19:28:07 -07:00
Philippe Reynes
99bdb400f7 net: tundra: tsi108: use new api ethtool_{get|set}_link_ksettings
The ethtool api {get|set}_settings is deprecated.
We move this driver to new api {get|set}_link_ksettings.

As I don't have the hardware, I'd be very pleased if
someone may test this patch.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 19:28:07 -07:00
Viresh Kumar
3ea3217cf9 thermal: cpu_cooling: Check OPP for errors
It is possible for dev_pm_opp_find_freq_exact() to return errors. It was
all fine earlier as dev_pm_opp_get_voltage() had a check within it to
check for invalid OPPs, but dev_pm_opp_put() doesn't have any similar
checks and the callers need to make sure OPP is valid before calling
them.

Also update the later dev_warn_ratelimited() to not print the error
message as the OPP is guaranteed to be valid now.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2017-03-13 10:06:55 +08:00
Viresh Kumar
9aec9082bf thermal: cpu_cooling: Replace dev_warn with dev_err
There isn't much the user can do on seeing these warnings, as the
hardware is actually okay. dev_err suits much better here.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2017-03-13 10:06:47 +08:00
Viresh Kumar
afd1f4e0a7 thermal: devfreq: Check OPP for errors
It is possible for dev_pm_opp_find_freq_exact() to return errors. It was
all fine earlier as dev_pm_opp_get_voltage() had a check within it to
check for invalid OPPs, but dev_pm_opp_put() doesn't have any similar
checks and the callers need to make sure OPP is valid before calling
them.

Also update the later dev_warn_ratelimited() to not print the error
message as the OPP is guaranteed to be valid now.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2017-03-13 10:06:42 +08:00
Viresh Kumar
8327b830f2 thermal: devfreq_cooling: Replace dev_warn with dev_err
There isn't much the user can do on seeing this warning, as the hardware
is actually okay. dev_err suits much better here.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2017-03-13 10:06:36 +08:00
Viresh Kumar
a4e49c9bc9 thermal: devfreq: Simplify expression
There is no need to check for IS_ERR() as we are looking for a very
particular error value here. Drop the first check.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2017-03-13 10:06:26 +08:00
Matthew Wilcox
088db931e0 thermal: Fix potential deadlock in cpu_cooling
cooling_list_lock is covering not just cpufreq_dev_count, but also the
calls to cpufreq_register_notifier() and cpufreq_unregister_notifier().

Since cooling_list_lock is also used within cpufreq_thermal_notifier(),
lockdep reports a potential deadlock. Fix it by testing the condition
under cooling_list_lock and dropping the lock before calling
cpufreq_register_notifier(). And variable cpufreq_dev_count is removed
at the same time, because it's no longer needed after the fix.

Fixes: ae60608962 ("thermal: convert cpu_cooling to use an IDA")
Reported-and-Tested-by: Russell King <linux@armlinux.org.uk>
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2017-03-13 10:06:04 +08:00
João Paulo Rechi Vita
d1c4e9bf73 platform/x86: asus-wmi: Remove quirk_no_rfkill
With the detection introduced in the previous patches, we don't need
these static DMI-based quirks anymore.

This reverts the following commits:
56a37a7200 "asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UA"
a961a285b4 "asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UF"
6b7ff2af52 "asus-wmi: Add quirk_no_rfkill for the Asus Z550MA"
02db9ff7af "asus-wmi: Add quirk_no_rfkill for the Asus U303LB"
2d735244b7 "asus-wmi: Add quirk_no_rfkill for the Asus N552VW"
a977e59c0c "asus-wmi: Create quirk for airplane_mode LED"

Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[dvhart: minor commit message corrections]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-03-12 16:41:55 -07:00
Linus Torvalds
4495c08e84 Linux 4.11-rc2 v4.11-rc2 2017-03-12 14:47:08 -07:00
Linus Torvalds
56b24d1bbc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:

 - four patches to get the new cputime code in shape for s390

 - add the new statx system call

 - a few bug fixes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390: wire up statx system call
  KVM: s390: Fix guest migration for huge guests resulting in panic
  s390/ipl: always use load normal for CCW-type re-IPL
  s390/timex: micro optimization for tod_to_ns
  s390/cputime: provide archicture specific cputime_to_nsecs
  s390/cputime: reset all accounting fields on fork
  s390/cputime: remove last traces of cputime_t
  s390: fix in-kernel program checks
  s390/crypt: fix missing unlock in ctr_paes_crypt on error path
2017-03-12 14:22:25 -07:00
Linus Torvalds
5a45a5a881 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:

 - a fix for the kexec/purgatory regression which was introduced in the
   merge window via an innocent sparse fix. We could have reverted that
   commit, but on deeper inspection it turned out that the whole
   machinery is neither documented nor robust. So a proper cleanup was
   done instead

 - the fix for the TLB flush issue which was discovered recently

 - a simple typo fix for a reboot quirk

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/tlb: Fix tlb flushing when lguest clears PGE
  kexec, x86/purgatory: Unbreak it and clean it up
  x86/reboot/quirks: Fix typo in ASUS EeeBook X205TA reboot quirk
2017-03-12 14:18:49 -07:00