28460 Commits

Author SHA1 Message Date
Niklas Cassel
4022d039a3 net: smmac: allow configuring lower pbl values
The driver currently always sets the PBLx8/PBLx4 bit, which means that
the pbl values configured via the pbl/txpbl/rxpbl DT properties are
always multiplied by 8/4 in the hardware.

In order to allow the DT to configure lower pbl values, while at the
same time not changing behavior of any existing device trees using the
pbl/txpbl/rxpbl settings, add a property to disable the multiplication
of the pbl by 8/4 in the hardware.

Suggested-by: Rabin Vincent <rabinv@axis.com>
Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-08 13:07:10 -05:00
Niklas Cassel
89caaa2d80 net: stmmac: add support for independent DMA pbl for tx/rx
GMAC and newer supports independent programmable burst lengths for
DMA tx/rx. Add new optional devicetree properties representing this.

To be backwards compatible, snps,pbl will still be valid, but
snps,txpbl/snps,rxpbl will override the value in snps,pbl if set.

If the IP is synthesized to use the AXI interface, there is a register
and a matching DT property inside the optional stmmac-axi-config DT node
for controlling burst lengths, named snps,blen.
However, using this register, it is not possible to control tx and rx
independently. Also, this register is not available if the IP was
synthesized with, e.g., the AHB interface.

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-08 13:07:10 -05:00
Niklas Cassel
6357d15e48 bindings: net: stmmac: correct note about TSO
snps,tso was previously placed under AXI BUS Mode parameters,
suggesting that the property should be in the stmmac-axi-config node.

TSO (TCP Segmentation Offloading) has nothing to do with AXI BUS Mode
parameters, and the parser actually expects it to be in the root node,
not in the stmmac-axi-config.

Also added a note about snps,tso only being available on GMAC4 and newer.

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-08 11:35:37 -05:00
Romain Perier
4049537742 spi: armada-3700: Add documentation for the Armada 3700 SPI Controller
This adds the devicetree bindings documentation for the SPI controller
present in the Marvell Armada 3700 SoCs.

Signed-off-by: Romain Perier <romain.perier@free-electrons.com>
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-12-08 16:05:34 +00:00
Masahiro Yamada
ff6af28faf mmc: sdhci-cadence: add Cadence SD4HC support
Add a driver for the Cadence SD4HC SD/SDIO/eMMC Controller.

For SD, it basically relies on the SDHCI standard code.
For eMMC, this driver provides some callbacks to support the
hardware part that is specific to this IP design.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2016-12-08 15:02:52 +01:00
Srinivas Pandruvada
bf006e149a Documentation: intel_pstate: Document HWP energy/performance hints
Updated documentation for the support of energy performance hint in
the HWP mode.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw: Subject & changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-12-08 01:43:05 +01:00
Dave Airlie
e783fd0cdc Add support for the Amlogic Meson Video Processing Unit
- Only CVBS/Composite output for Amlogic Meson GXBB/GXL/GXM SoCs
 - Add MAINTAINERS entry
 - Add DT bindings documentation
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Merge tag 'meson-drm-for-4.10' of github.com:superna9999/linux into drm-next

Add support for the Amlogic Meson Video Processing Unit
- Only CVBS/Composite output for Amlogic Meson GXBB/GXL/GXM SoCs
- Add MAINTAINERS entry
- Add DT bindings documentation

* tag 'meson-drm-for-4.10' of github.com:superna9999/linux:
  MAINTAINERS: add entry for Amlogic DRM drivers
  dt-bindings: display: add Amlogic Meson DRM Bindings
  drm: Add support for Amlogic Meson Graphic Controller
2016-12-08 10:35:52 +10:00
David S. Miller
5fccd64aa4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
Pablo Neira Ayuso says:

====================
Netfilter/IPVS updates for net-next

The following patchset contains a large Netfilter update for net-next,
to summarise:

1) Add support for stateful objects. This series provides a nf_tables
   native alternative to the extended accounting infrastructure for
   nf_tables. Two initial stateful objects are supported: counters and
   quotas. Objects are identified by a user-defined name, you can fetch
   and reset them anytime. You can also use a maps to allow fast lookups
   using any arbitrary key combination. More info at:

   http://marc.info/?l=netfilter-devel&m=148029128323837&w=2

2) On-demand registration of nf_conntrack and defrag hooks per netns.
   Register nf_conntrack hooks if we have a stateful ruleset, ie.
   state-based filtering or NAT. The new nf_conntrack_default_on sysctl
   enables this from newly created netnamespaces. Default behaviour is not
   modified. Patches from Florian Westphal.

3) Allocate 4k chunks and then use these for x_tables counter allocation
   requests, this improves ruleset load time and also datapath ruleset
   evaluation, patches from Florian Westphal.

4) Add support for ebpf to the existing x_tables bpf extension.
   From Willem de Bruijn.

5) Update layer 4 checksum if any of the pseudoheader fields is updated.
   This provides a limited form of 1:1 stateless NAT that make sense in
   specific scenario, eg. load balancing.

6) Add support to flush sets in nf_tables. This series comes with a new
   set->ops->deactivate_one() indirection given that we have to walk
   over the list of set elements, then deactivate them one by one.
   The existing set->ops->deactivate() performs an element lookup that
   we don't need.

7) Two patches to avoid cloning packets, thus speed up packet forwarding
   via nft_fwd from ingress. From Florian Westphal.

8) Two IPVS patches via Simon Horman: Decrement ttl in all modes to
   prevent infinite loops, patch from Dwip Banerjee. And one minor
   refactoring from Gao feng.

9) Revisit recent log support for nf_tables netdev families: One patch
   to ensure that we correctly handle non-ethernet packets. Another
   patch to add missing logger definition for netdev. Patches from
   Liping Zhang.

10) Three patches for nft_fib, one to address insufficient register
    initialization and another to solve incorrect (although harmless)
    byteswap operation. Moreover update xt_rpfilter and nft_fib to match
    lbcast packets with zeronet as source, eg. DHCP Discover packets
    (0.0.0.0 -> 255.255.255.255). Also from Liping Zhang.

11) Built-in DCCP, SCTP and UDPlite conntrack and NAT support, from
    Davide Caratti. While DCCP is rather hopeless lately, and UDPlite has
    been broken in many-cast mode for some little time, let's give them a
    chance by placing them at the same level as other existing protocols.
    Thus, users don't explicitly have to modprobe support for this and
    NAT rules work for them. Some people point to the lack of support in
    SOHO Linux-based routers that make deployment of new protocols harder.
    I guess other middleboxes outthere on the Internet are also to blame.
    Anyway, let's see if this has any impact in the midrun.

12) Skip software SCTP software checksum calculation if the NIC comes
    with SCTP checksum offload support. From Davide Caratti.

13) Initial core factoring to prepare conversion to hook array. Three
    patches from Aaron Conole.

14) Gao Feng made a wrong conversion to switch in the xt_multiport
    extension in a patch coming in the previous batch. Fix it in this
    batch.

15) Get vmalloc call in sync with kmalloc flags to avoid a warning
    and likely OOM killer intervention from x_tables. From Marcelo
    Ricardo Leitner.

16) Update Arturo Borrero's email address in all source code headers.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-07 19:16:46 -05:00
Simon Horman
49da21108f PCI: rcar: Add gen3 fallback compatibility string for pcie-rcar
Add fallback compatibility string for the  R-Car Gen 3 family.  This is in
keeping with the both the existing fallback compatibility string for the
R-Car Gen 2 family and the fallback scheme being adopted wherever
appropriate for drivers for Renesas SoCs.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2016-12-07 16:56:56 -06:00
Thierry Reding
528925c439 dt-bindings: pci: tegra: Add Tegra210 support
Add support for the PCI host controller found on Tegra210 SoCs. It is very
similar to the variant found on Tegra124, with a couple of small
differences regarding the power supplies.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
2016-12-07 12:06:27 -06:00
Grygorii Strashko
88f0f0b0be net: ethernet: ti: cpts: calc mult and shift from refclk freq
The cyclecounter mult and shift values can be calculated based on the
CPTS rfclk frequency and timekeepnig framework provides required algos
and API's.

Hence, calc mult and shift basing on CPTS rfclk frequency if both
cpts_clock_shift and cpts_clock_mult properties are not provided in DT (the
basis of calculation algorithm is borrowed from
__clocksource_update_freq_scale() commit 7d2f944a2b83 ("clocksource:
Provide a generic mult/shift factor calculation")). After this change
cpts_clock_shift and cpts_clock_mult DT properties will become optional.

Cc: John Stultz <john.stultz@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-07 11:13:48 -05:00
Linus Walleij
e1a0d869d5 Merge branch 'thread-irq-simpler' of /home/linus/linux-gpio into devel 2016-12-07 15:27:30 +01:00
David Lechner
342030c7a2 devicetree: bindings: pinctrl: Add binding for ti,da850-pupd
Device-tree bindings for TI DA850/OMAP-L138/AM18XX pullup/pulldown
pinconf controller.

Signed-off-by: David Lechner <david@lechnology.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-12-07 15:27:00 +01:00
Keerthy
0ea66f76ba Documentation: pinctrl: palmas: Add ti,palmas-powerhold-override property definition
GPIO7 is configured in POWERHOLD mode which has higher priority
over DEV_ON bit and keeps the PMIC supplies on even after the DEV_ON
bit is turned off. This property enables driver to over ride the
POWERHOLD value to GPIO7 so as to turn off the PMIC in power off
scenarios.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-12-07 15:26:59 +01:00
Linus Walleij
acf1fcf772 Merge branch 'thread-irq-simpler' into devel 2016-12-07 15:24:12 +01:00
Stephen Boyd
e3f4358e23 Merge tag 'v4.10-rockchip-clk2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-next
Pull rockchip clk driver updates from Heiko Stuebner:

A new clock controller for the rk1108 soc (single-core Cortex-A7+DSP),
a fix making sure the cpuclk rate is actually valid, before trying to
set it and a copy-paste fix for the rk3399's testclk.

* tag 'v4.10-rockchip-clk2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  clk: rockchip: add clock controller for rk1108
  dt-bindings: add documentation for rk1108 cru
  clk: rockchip: add dt-binding header for rk1108
  clk: rockchip: fix copy-paste error in rk3399 testclk
  clk: rockchip: validity should be checked prior to cpu clock rate change
2016-12-06 15:17:26 -08:00
Lina Iyer
598da548ef PM / Domains: Fix compatible for domain idle state
Re-using idle state definition provided by arm,idle-state for domain
idle states creates a lot of confusion and limits further evolution of
the domain idle definition. To keep things clear and simple, define a
idle states for domain using a new compatible "domain-idle-state".

Fix existing PM domains code to look for the newly defined compatible.

Signed-off-by: Lina Iyer <lina.iyer@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-12-06 22:05:38 +01:00
Lucas Stach
8c31f6034b drm/panel: simple: Add support for AUO G185HAN01
This adds support for the AU Optronics G185HAN01 18.5" LVDS FullHD TFT
LCD panel, which can be supported by the simple panel driver.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-12-06 17:06:32 +01:00
Lucas Stach
697035c6b8 drm/panel: simple: Add support for AUO G133HAN01
This adds support for the AU Optronics G133HAN01 13.3" LVDS FullHD TFT
LCD panel, which can be supported by the simple panel driver.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-12-06 17:06:31 +01:00
Randy Li
2cb35c802a drm/panel: Add support for Chunghwa CLAA070WP03XG panel
The Chunghwa CLAA070WP03XG is a 7" 1280x800 panel, which can be
supported by the simple panel driver.

Signed-off-by: Randy Li <ayaka@soulik.info>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-12-06 16:43:55 +01:00
Dongpo Li
7087140d50 net: hix5hd2_gmac: add reset control and clock signals
Add three reset control signals, "mac_core_rst", "mac_ifc_rst" and
"phy_rst".
The following diagram explained how the reset signals work.

                        SoC
|-----------------------------------------------------
|                               ------                |
|                               | cpu |               |
|                               ------                |
|                                  |                  |
|                              ------------ AMBA bus  |
|                         GMAC     |                  |
|                            ----------------------   |
| ------------- mac_core_rst | --------------      |  |
| |clock and   |-------------->|   mac core  |     |  |
| |reset       |             | --------------      |  |
| |generator   |----         |       |             |  |
| -------------     |        | ----------------    |  |
|          |        ---------->| mac interface |   |  |
|          |     mac_ifc_rst | ----------------    |  |
|          |                 |       |             |  |
|          |                 | ------------------  |  |
|          |phy_rst          | | RGMII interface | |  |
|          |                 | ------------------  |  |
|          |                 ----------------------   |
|----------|------------------------------------------|
           |                          |
           |                      ----------
           |--------------------- |PHY chip |
                                  ----------

The "mac_core_rst" represents "mac core reset signal", it resets
the mac core including packet processing unit, descriptor processing unit,
tx engine, rx engine, control unit.
The "mac_ifc_rst" represents "mac interface reset signal", it resets
the mac interface. The mac interface unit connects mac core and
data interface like MII/RMII/RGMII. After we set a new value of
interface mode, we must reset mac interface to reload the new mode value.
The "mac_core_rst" and "mac_ifc_rst" are both optional to be
backward compatible with the hix5hd2 SoC.
The "phy_rst" represents "phy reset signal", it does a hardware reset
on the PHY chip. This reset signal is optional if the PHY can work well
without the hardware reset.

Add one more clock signal, the existing is MAC core clock,
and the new one is MAC interface clock.
The MAC interface clock is optional to be backward compatible with
the hix5hd2 SoC.

Signed-off-by: Dongpo Li <lidongpo@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-06 10:21:01 -05:00
Dongpo Li
d0fb6ba75d net: hix5hd2_gmac: add generic compatible string
The "hix5hd2" is SoC name, add the generic ethernet driver name.
The "hisi-gemac-v1" is the basic version and "hisi-gemac-v2" adds
the SG/TXCSUM/TSO/UFO features.

Signed-off-by: Dongpo Li <lidongpo@hisilicon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-06 10:21:01 -05:00
Mauro Carvalho Chehab
9e22ff439f Update Documentation/00-INDEX
Em Mon, 5 Dec 2016 14:23:01 -0700
Jonathan Corbet <corbet@lwn.net> escreveu:

> On Mon,  5 Dec 2016 09:41:40 -0200
> Mauro Carvalho Chehab <mchehab@s-opensource.com> wrote:
>
> > So, in order to check it, I wrote a small script that compares the files
> > and directories at Documentation/ with the ones at 00-INDEX.
> >
> > Then, I synchronized the entries, making the script happy.
> >
> > We might think on integrating the script with checkpatch.pl, but, as
> > we should get rid of 00-INDEX, it probably not worth the efforts.
>
> I would agree with that; I don't see the point of keeping those files
> around in the longer term.
>
> I've applied the set.  I do have a few quibbles with the final patch that
> I'll send separately, but they're not something to hold this set up for.

Jon,

Did a patch fixing the quibbles.

As it seems you didn't push yet the changeset upstream, feel free to
just fold it with patch 5/5 if you prefer so, or to add as a separate
patch at the end of the series.

Patch enclosed.

Thanks,
Mauro

[PATCH] docs: 00-INDEX: change text related to the building system

Let be clearer on those files related to the build system.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-12-06 06:13:03 -07:00
Neil Armstrong
42a7119b51 dt-bindings: display: add Amlogic Meson DRM Bindings
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
2016-12-06 09:53:56 +01:00
Marek Vasut
7b920aae91 dt-bindings: mxsfb: Add new bindings for the MXSFB driver
Add new DT bindings for new MXSFB driver that is using the
OF graph to parse the video output structure instead of
hard-coding the display properties into the MXSFB node.
The old MXSFB fbdev driver bindings are preserved in the
same file in the "Old bindings" section.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
2016-12-06 03:02:25 +01:00
Marek Vasut
9c8f2eed73 dt-bindings: mxsfb: Indentation cleanup
Clean up the ad-hoc indentation in the documentation, no functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
2016-12-06 03:02:25 +01:00
Viresh Kumar
579c49efdf PM / OPP: Reword binding supporting multiple regulators per device
On certain platforms (like TI), DVFS for a single device (CPU) requires
configuring multiple power supplies.

The OPP bindings already contains binding and example to explain this
case, but it isn't sufficient.

- There is no way for the code parsing these bindings to know which
  voltage values belong to which power supply.

- It is not possible to know the order in which the supplies need to be
  configured while switching OPPs.

This patch clarifies on those details by mentioning that such
information is left for the implementation specific bindings to explain.
They may want to hardcode such details or implement their own properties
to get such information. All implementations using multiple regulators
for their devices must provide a binding document explaining their
implementation.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-12-06 02:27:58 +01:00
Viresh Kumar
309fe8d650 PM / OPP: Fix incorrect cpu-supply property in binding
The regulator bindings allow the "<name>-supply" property to define a
single parent supply and not a list of parents.

Fix the wrong example code present in OPP bindings.

While at it also change the compatible string as Rob pointed out earlier
that none of A7 implementation have multiple supplies for the CPU core.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-12-06 02:27:58 +01:00
Rafael J. Wysocki
ee39222d45 ACPI / property: Document usage rules for _DSD properties
Following some discussions during the Kernel Summit and LPC, document
what can be returned from ACPI _DSD as device properties and when it
is valid to use the special PRP0001 device ID.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviwed-by: Mark Brown <broonie@kernel.org>
2016-12-06 02:13:28 +01:00
Mauro Carvalho Chehab
0f60724f53 docs: 00-INDEX: document directories/files with no docs
There are a number of files/directories that don't contain
any documentation. They're related to ReST file conversion.

As a matter of completeness, since Makefile is also documented
there, add an entry for those files too.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-12-05 14:21:42 -07:00
Mauro Carvalho Chehab
a240bfedee docs: 00-INDEX: remove non-existing entries
Several entries were moved to a directory; others got simply
removed. Get rid of those entries.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-12-05 14:21:39 -07:00
Mauro Carvalho Chehab
822d289f28 docs: 00-INDEX: add missing entries for documentation files/dirs
Several directories and individual files don't have entries at
00-INDEX. Add them, using, as reference, the initial text inside
the documentation file(s).

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-12-05 14:21:35 -07:00
Mauro Carvalho Chehab
79c87c30d0 docs: 00-INDEX: consolidate process/ and admin-guide/ description
Instead of having descriptions for individual files inside
the process/ and admin-guide/ documentation, consolidate them
into one entry per directory, just like other descriptions
inside 00-INDEX.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-12-05 14:21:29 -07:00
Kevin Peng
20b786eb25 Docs: change sh -> awk in REPORTING-BUGS
scripts/ver_linux has been rewritten as an awk script; update
documentation to reflect this fact.

Signed-off-by: Kevin Peng <kkpengboy@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-12-05 14:18:48 -07:00
Lukas Wunner
aad800403a Documentation/core-api/device_link: Add initial documentation
Document device links as introduced in v4.10 with commits:
    4bdb35506b89 ("driver core: Add a wrapper around
                   __device_release_driver()")
    9ed9895370ae ("driver core: Functional dependencies tracking
                   support")
    8c73b4288496 ("PM / sleep: Make async suspend/resume of devices use
                   device links")
    21d5c57b3726 ("PM / runtime: Use device links")
    baa8809f6097 ("PM / runtime: Optimize the use of device links")

Signed-off-by: Lukas Wunner <lukas@wunner.de>
[ jc: Moved from core-api to driver-api ]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-12-05 14:14:55 -07:00
David S. Miller
c3543688ab Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:

====================
pull request: bluetooth-next 2016-12-03

Here's a set of Bluetooth & 802.15.4 patches for net-next (i.e. 4.10
kernel):

 - Fix for a potential NULL deref in the ieee802154 netlink code
 - Fix for the ED values of the at86rf2xx driver
 - Documentation updates to ieee802154
 - Cleanups to u8 vs __u8 usage
 - Timer API usage cleanups in HCI drivers

Please let me know if there are any issues pulling. Thanks.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-05 13:37:28 -05:00
Sebastien Guiriec
da91723ce0 ASoC: Intel: Add ASoC Intel SST Atom sysfs description
For ASoC Intel SST Atom based devices a sysfs entry is created
in order to track FW version. The FW version is useful in order to
check the different Version of LPE DSP FW across Intel SoCs.

Signed-off-by: Sebastien Guiriec <sebastien.guiriec@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-12-05 17:22:27 +00:00
Dave Airlie
f03ee46be9 Linux 4.9-rc8
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Backmerge tag 'v4.9-rc8' into drm-next

Linux 4.9-rc8

Daniel requested this so we could apply some follow on fixes cleanly to -next.
2016-12-05 17:11:48 +10:00
Bjorn Andersson
dd29908b87 dt-binding: soc: qcom: smd: Add label property
The label property can be used to specify a name of the edge, for
consistent naming purposes.

Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2016-12-04 20:57:50 -08:00
Florian Westphal
481fa37347 netfilter: conntrack: add nf_conntrack_default_on sysctl
This switch (default on) can be used to disable automatic registration
of connection tracking functionality in newly created network
namespaces.

This means that when net namespace goes down (or the tracker protocol
module is unloaded) we *might* have to unregister the hooks.

We can either add another per-netns variable that tells if
the hooks got registered by default, or, alternatively, just call
the protocol _put() function and have the callee deal with a possible
'extra' put() operation that doesn't pair with a get() one.

This uses the latter approach, i.e. a put() without a get has no effect.

Conntrack is still enabled automatically regardless of the new sysctl
setting if the new net namespace requires connection tracking, e.g. when
NAT rules are created.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-12-04 21:17:25 +01:00
Erik Nordmark
adc176c547 ipv6 addrconf: Implemented enhanced DAD (RFC7527)
Implemented RFC7527 Enhanced DAD.
IPv6 duplicate address detection can fail if there is some temporary
loopback of Ethernet frames. RFC7527 solves this by including a random
nonce in the NS messages used for DAD, and if an NS is received with the
same nonce it is assumed to be a looped back DAD probe and is ignored.
RFC7527 is enabled by default. Can be disabled by setting both of
conf/{all,interface}/enhanced_dad to zero.

Signed-off-by: Erik Nordmark <nordmark@arista.com>
Signed-off-by: Bob Gilligan <gilligan@arista.com>
Reviewed-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-03 23:21:37 -05:00
Fabian Frederick
9e645ab72e Documentation: fix description of ext4's block_validity mount option
Fix ext4 documentation according to commit 45f1a9c3f63d
("ext4: enable block_validity by default")

Also fix some typos.

[ Further documentation cleanups by tytso ]

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2016-12-03 16:44:45 -05:00
Vladimir Zapolskiy
5f16e80449 dt-bindings: add MYIR Tech hardware vendor prefix
MYIR Tech Limited offers a range of ARM powered development boards and SoMs,
for details reference a list on http://elinux.org/Development_Platforms#ARM
or company's website http://myirtech.com

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2016-12-03 15:32:07 -06:00
David S. Miller
70278b5df1 linux-can-next-for-4.10-20161201
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Merge tag 'linux-can-next-for-4.10-20161201' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next

Marc Kleine-Budde says:

====================
pull-request: can-next 2016-12-01

this is a pull request of 4 patches for net-next/master.

There are two patches by Chris Paterson for the rcar_can and rcar_canfd
device tree binding documentation. And a patch by Geert Uytterhoeven
that corrects the order of interrupt specifiers.

The fourth patch by Colin Ian King fixes a spelling error in the
kvaser_usb driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-03 15:26:30 -05:00
Pavel Machek
c6c60dae81 stmmac: cleanup documenation, make it match reality
Fix english in documentation, make documentation match reality, remove
options that were removed from code.

Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-03 15:07:32 -05:00
David S. Miller
2745529ac7 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Couple conflicts resolved here:

1) In the MACB driver, a bug fix to properly initialize the
   RX tail pointer properly overlapped with some changes
   to support variable sized rings.

2) In XGBE we had a "CONFIG_PM" --> "CONFIG_PM_SLEEP" fix
   overlapping with a reorganization of the driver to support
   ACPI, OF, as well as PCI variants of the chip.

3) In 'net' we had several probe error path bug fixes to the
   stmmac driver, meanwhile a lot of this code was cleaned up
   and reorganized in 'net-next'.

4) The cls_flower classifier obtained a helper function in
   'net-next' called __fl_delete() and this overlapped with
   Daniel Borkamann's bug fix to use RCU for object destruction
   in 'net'.  It also overlapped with Jiri's change to guard
   the rhashtable_remove_fast() call with a check against
   tc_skip_sw().

5) In mlx4, a revert bug fix in 'net' overlapped with some
   unrelated changes in 'net-next'.

6) In geneve, a stale header pointer after pskb_expand_head()
   bug fix in 'net' overlapped with a large reorganization of
   the same code in 'net-next'.  Since the 'net-next' code no
   longer had the bug in question, there was nothing to do
   other than to simply take the 'net-next' hunks.

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-03 12:29:53 -05:00
Ian Kent
fb5f51c742 vfs: change d_manage() to take a struct path
For the autofs module to be able to reliably check if a dentry is a
mountpoint in a multiple namespace environment the ->d_manage() dentry
operation will need to take a path argument instead of a dentry.

Link: http://lkml.kernel.org/r/20161011053352.27645.83962.stgit@pluto.themaw.net
Signed-off-by: Ian Kent <raven@themaw.net>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Omar Sandoval <osandov@osandov.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-12-02 22:15:53 -05:00
Len Brown
bc18461816 ACPI: Document _OSI and _REV for Linux BIOS writers
Based on a recent session at the Linux Plumber's Conference,
we need to be more clear about how a BIOS should use _OSI
to properly support Linux.

Signed-off-by: Len Brown <len.brown@intel.com>
Reviewed-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-12-03 02:36:26 +01:00
Clemens Gruber
10de07f446 hwmon: (mcp3021) add devicetree bindings documentation
Document the devicetree bindings for the Microchip MCP3021/3221.

Signed-off-by: Clemens Gruber <clemens.gruber@pqgruber.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2016-12-02 13:28:09 -08:00
Chris Packham
aaf6fabf1b hwmon: Add tc654 driver
Add support for the tc654 and tc655 fan controllers from Microchip.

http://ww1.microchip.com/downloads/en/DeviceDoc/20001734C.pdf

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: Rob Herring <robh@kernel.org>
[groeck: Fixed continuation line alignments]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2016-12-02 13:28:05 -08:00