23927 Commits

Author SHA1 Message Date
Pali Rohár
dc17340e30 Fix documentation for adp1653 DT
Property names do not match real names needed by driver itself.
This patch fix this problem.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rob Herring <robh@kernel.org>
2016-01-05 09:28:53 -06:00
Geert Uytterhoeven
414ee536df ARM: psci: Fix indentation in DT bindings
Fix bogus indentation of the PSCI compatible values, reformat.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2016-01-05 09:28:38 -06:00
Daniel Vetter
df7d678bea drm/docs: more leftovers from the big vtable documentation pile
Another pile of vfuncs from the old gpu.tmpl xml documentation that
I've forgotten to delete. I spotted a few more things to
clarify/extend in the new kerneldoc while going through this once
more.

v2: Spelling fixes (Thierry).

v3: More spelling fixes and use Thierry's proposal to clarify why
drivers need to validate modes both in ->mode_fixup and ->mode_valid.

Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Thierry Reding <treding@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
2016-01-05 16:21:35 +01:00
Srinivas Pandruvada
a032d2de0b Documentation: cpufreq: intel_pstate: enhance documentation
This is an attempt to make documentation more user friendly.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reviewed-by: Doug Smythies <dsmythies@telus.net>
Reviewed-by: Chen, Yu C <yu.c.chen@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-01-05 13:47:37 +01:00
Russell King
598bcc6ea6 Merge branches 'misc' and 'misc-rc6' into for-linus 2016-01-05 11:07:28 +00:00
David S. Miller
15ab90f400 NFC 4.5 pull request
This is the first NFC pull request for 4.5 and it brings:
 
 - A new driver for the STMicroelectronics ST95HF NFC chipset.
   The ST95HF is an NFC digital transceiver with an embedded analog
   front-end and as such relies on the Linux NFC digital
   implementation. This is the 3rd user of the NFC digital stack.
 
 - ACPI support for the ST st-nci and st21nfca drivers.
 
 - A small improvement for the nfcsim driver, as we can now tune
   the Rx delay through sysfs.
 
 - A bunch of minor cleanups and small fixes from Christophe Ricard,
   for a few drivers and the NFC core code.
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Merge tag 'nfc-next-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next

Samuel Ortiz says:

====================
NFC 4.5 pull request

This is the first NFC pull request for 4.5 and it brings:

- A new driver for the STMicroelectronics ST95HF NFC chipset.
  The ST95HF is an NFC digital transceiver with an embedded analog
  front-end and as such relies on the Linux NFC digital
  implementation. This is the 3rd user of the NFC digital stack.

- ACPI support for the ST st-nci and st21nfca drivers.

- A small improvement for the nfcsim driver, as we can now tune
  the Rx delay through sysfs.

- A bunch of minor cleanups and small fixes from Christophe Ricard,
  for a few drivers and the NFC core code.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 21:48:15 -05:00
Michael Turquette
b360ada3f1 clk: tegra: Changes for v4.5-rc1
This set of changes adds support for the Tegra210 SoC and contains a
 couple fixes and cleanups.
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Merge tag 'tegra-for-4.5-clk' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into clk-next

clk: tegra: Changes for v4.5-rc1

This set of changes adds support for the Tegra210 SoC and contains a
couple fixes and cleanups.
2016-01-04 16:16:45 -08:00
Pantelis Antoniou
03607ace80 configfs: implement binary attributes
ConfigFS lacked binary attributes up until now. This patch
introduces support for binary attributes in a somewhat similar
manner of sysfs binary attributes albeit with changes that
fit the configfs usage model.

Problems that configfs binary attributes fix are everything that
requires a binary blob as part of the configuration of a resource,
such as bitstream loading for FPGAs, DTBs for dynamically created
devices etc.

Look at Documentation/filesystems/configfs/configfs.txt for internals
and howto use them.

This patch is against linux-next as of today that contains
Christoph's configfs rework.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
[hch: folded a fix from Geert Uytterhoeven <geert+renesas@glider.be>]
[hch: a few tiny updates based on review feedback]
Signed-off-by: Christoph Hellwig <hch@lst.de>
2016-01-04 12:31:46 +01:00
Carlo Caione
ea22446a9d Documentation: watchdog: Add new bindings for meson8b
We make the documentation not meson6 specific anymore and add the new
binding for meson8b SoC.

Signed-off-by: Carlo Caione <carlo@endlessm.com>
2016-01-04 10:54:44 +01:00
Jacek Anaszewski
648da8ff48 Documentation: leds: Add description of brightness setting API
This patch adds description of the LED subsystem API for
setting an LED brightness.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
2016-01-04 09:57:31 +01:00
Alban Bedel
c054761c6f devicetree: Add bindings for the ATH79 USB phy
Signed-off-by: Alban Bedel <albeu@free.fr>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: devicetree@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11496/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2016-01-04 09:42:24 +01:00
Lukas Wunner
3a848662c7 vga_switcheroo: Prettify documentation
Fix indentation of vga_switcheroo sections in gpu.tmpl.

Change section type of API documentation from "chapter" to "sect1"
so that the individual functions no longer clutter up the ToC.
Group together under a new "API" chapter.

Fix wording "heretoforth" -> "henceforth".

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2016-01-04 08:11:49 +01:00
Kamal Dasu
e2e5a2c618 i2c: brcmstb: Adding support for CM and DSL SoCs
Broadcoms DSL, CM (cable modem)and STB I2C core implementation have
8 data in/out registers that can transfer 8 bytes or 32 bytes max.
Cable and DSL "Peripheral" i2c cores use single byte per data
register and the STB can use 4 byte per data register transfer.
Adding support to take care of this difference. Accordingly added
the compatible string for SoCs using the "Peripheral" I2C block.

Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-01-03 19:50:09 +01:00
Wolfram Sang
0c739738a0 i2c: document binding for multi-master case
We need this binding because some I2C master drivers will need to adapt
their PM settings for the arbitration circuitry.

Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-01-02 22:10:32 +01:00
Jaedon Shin
1980eb9bd7 ata: ahci_brcmstb: add support for MIPS-based platforms
The BCM7xxx ARM-based and MIPS-based platforms share a similar hardware
block for AHCI SATA3.

This new compatible string, "brcm,bcm7425-ahci", may be used for most
MIPS-based platforms of 40nm process technology.

Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2015-12-31 21:19:35 -05:00
David S. Miller
c07f30ad68 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-12-31 18:20:10 -05:00
Linus Torvalds
8f5daf2a49 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Prevent XFRM per-cpu counter updates for one namespace from being
    applied to another namespace.  Fix from DanS treetman.

 2) Fix RCU de-reference in iwl_mvm_get_key_sta_id(), from Johannes
    Berg.

 3) Remove ethernet header assumption in nft_do_chain_netdev(), from
    Pablo Neira Ayuso.

 4) Fix cpsw PHY ident with multiple slaves and fixed-phy, from Pascal
    Speck.

 5) Fix use after free in sixpack_close and mkiss_close.

 6) Fix VXLAN fw assertion on bnx2x, from Yuval Mintz.

 7) natsemi doesn't check for DMA mapping errors, from Alexey
    Khoroshilov.

 8) Fix inverted test in ip6addrlbl_get(), from ANdrey Ryabinin.

 9) Missing initialization of needed_headroom in geneve tunnel driver,
    from Paolo Abeni.

10) Fix conntrack template leak in openvswitch, from Joe Stringer.

11) Mission initialization of wq->flags in sock_alloc_inode(), from
    Nicolai Stange.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (35 commits)
  sctp: sctp should release assoc when sctp_make_abort_user return NULL in sctp_close
  net, socket, socket_wq: fix missing initialization of flags
  drivers: net: cpsw: fix error return code
  openvswitch: Fix template leak in error cases.
  sctp: label accepted/peeled off sockets
  sctp: use GFP_USER for user-controlled kmalloc
  qlcnic: fix a loop exit condition better
  net: cdc_ncm: avoid changing RX/TX buffers on MTU changes
  geneve: initialize needed_headroom
  ipv6: honor ifindex in case we receive ll addresses in router advertisements
  addrconf: always initialize sysctl table data
  ipv6/addrlabel: fix ip6addrlbl_get()
  switchdev: bridge: Pass ageing time as clock_t instead of jiffies
  sh_eth: fix 16-bit descriptor field access endianness too
  veth: don’t modify ip_summed; doing so treats packets with bad checksums as good.
  net: usb: cdc_ncm: Adding Dell DW5813 LTE AT&T Mobile Broadband Card
  net: usb: cdc_ncm: Adding Dell DW5812 LTE Verizon Mobile Broadband Card
  natsemi: add checks for dma mapping errors
  rhashtable: Kill harmless RCU warning in rhashtable_walk_init
  openvswitch: correct encoding of set tunnel action attributes
  ...
2015-12-31 14:40:43 -08:00
Leilk Liu
5c5e09f623 spi: mtk: Add bindings for mediatek MT2701 soc platform
This patch adds a DT binding documentation for the MT2701 soc.

Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-12-31 22:09:37 +00:00
Arnd Bergmann
fc2f669e7d Merge tag 'bcm2835-soc-next-2015-12-28' of http://github.com/anholt/linux into next/soc
Merge "BCM2835 SOC changes for 4.5" from Eric Anholt:

This pull request includes the bcm2835 changes for 4.5 targeting the
arm-soc next/soc branch.

* tag 'bcm2835-soc-next-2015-12-28' of http://github.com/anholt/linux:
  ARM: bcm2835: Add Kconfig support for bcm2836
  ARM: bcm2835: Add a compat string for bcm2836 machine probe
  dt-bindings: Add root properties for Raspberry Pi 2

Conflicts:
	arch/arm/mach-bcm/Kconfig
2015-12-31 17:37:12 +01:00
Arnd Bergmann
d731afa460 Samsung DeviceTree updates and improvements for 4.5
1. eMMC/SDIO minor fixes usage of bindings on Snow and Peach
    Chromebooks.
 2. Remove FIMD from Odroid XU3-family because on XU3 it cannot be used
    yet and on XU3-Lite and XU4 it is not supported.
 3. Remove deprecated since June 2013 samsung,exynos5-hdmi.
 4. Add support for Pseudo Random Generator on Exynos4 (Trats2 for now).
    This depends on new SSS clock.
 5. Add rotator nodes for Exynos4 and Exynos5.
 6. Switch DWC3_1 on Odroid XU3 and XU3-Lite to peripheral mode because
    now it cannot be used as OTG.
 7. Cleanup the G2D usage on Exynos4 and add it to a proper domain
    in case of Exynos4210.
 8. Put MDMA1 in proper domain on Exynos4210 as well.
 9. Minor cleanups.
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Merge tag 'samsung-dt-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/dt

Merge "Samsung DeviceTree updates and improvements for 4.5" from Krzysztof Kozlowski:

1. eMMC/SDIO minor fixes usage of bindings on Snow and Peach
   Chromebooks.
2. Remove FIMD from Odroid XU3-family because on XU3 it cannot be used
   yet and on XU3-Lite and XU4 it is not supported.
3. Remove deprecated since June 2013 samsung,exynos5-hdmi.
4. Add support for Pseudo Random Generator on Exynos4 (Trats2 for now).
   This depends on new SSS clock.
5. Add rotator nodes for Exynos4 and Exynos5.
6. Switch DWC3_1 on Odroid XU3 and XU3-Lite to peripheral mode because
   now it cannot be used as OTG.
7. Cleanup the G2D usage on Exynos4 and add it to a proper domain
   in case of Exynos4210.
8. Put MDMA1 in proper domain on Exynos4210 as well.
9. Minor cleanups.

* tag 'samsung-dt-4.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: (21 commits)
  ARM: dts: Unify G2D device node with other devices on exynos4
  ARM: dts: Add power domain to G2D device on exynos4210
  ARM: dts: MDMA1 device belongs to LCD0 power domain on exynos4210
  ARM: dts: Remove unneeded GPIO include in exynos4412-odroidu3
  ARM: dts: exynos4210-universal_c210: Disable DMA for UARTs
  ARM: dts: Use peripheral mode for dwc3_1 on exynos5422-odroidxu3
  ARM: dts: Add rotator node on exynos5420
  ARM: dts: Add rotator node on exynos5250
  ARM: dts: Fix power domain for sysmmu-rotator device on exynos4
  ARM: dts: Add rotator nodes on exynos4
  ARM: dts: Enable PRNG module on exynos4412-trats2
  ARM: dts: Add PRNG module for exynos4
  dt-bindings: remove deprecated compatible string from exynos-hdmi
  ARM: dts: Remove fimd node from exynos5422-odroidxu3-common
  ARM: dts: Mark eMMC as non-removable in exynos5250-snow-common
  ARM: dts: Remove broken-cd from eMMC node in exynos5420-peach-pi
  ARM: dts: Remove broken-cd from eMMC node in exynos5800-peach-pi
  ARM: dts: Mark SDIO as non-removable in exynos5250-snow-common
  ARM: dts: Mark SDIO as non-removable in exynos5420-peach-pit
  ARM: dts: Mark SDIO as non-removable in exynos5800-peach-pi
  ...
2015-12-31 17:31:56 +01:00
Arnd Bergmann
5d2c585c7d This pull request includes the bcm2835 changes for 4.5 targeting the
arm-soc next/drivers branch.
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Merge tag 'bcm2835-drivers-next-2015-12-28' of http://github.com/anholt/linux into next/drivers

Pull "BCM2835 drivers changes for 4.5" from Eric Anholt:

This pull request includes the bcm2835 changes for 4.5 targeting the
arm-soc next/drivers branch.

* tag 'bcm2835-drivers-next-2015-12-28' of http://github.com/anholt/linux:
  ARM: bcm2835: add rpi power domain driver
  dt-bindings: add rpi power domain driver bindings
  ARM: bcm2835: Define two new packets from the latest firmware.
2015-12-31 17:11:29 +01:00
Bhupesh Sharma
766faef1f4 Documentation: DT: Add entry for ARM SP805-WDT
This patch adds a devicetree binding documentation for ARM's
SP805 WatchDog Timer.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@freescale.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-31 16:40:00 +01:00
Al Viro
fceef393a5 switch ->get_link() to delayed_call, kill ->put_link()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-30 13:01:03 -05:00
Guenter Roeck
b4ffb19098 watchdog: Separate and maintain variables based on variable lifetime
All variables required by the watchdog core to manage a watchdog are
currently stored in struct watchdog_device. The lifetime of those
variables is determined by the watchdog driver. However, the lifetime
of variables used by the watchdog core differs from the lifetime of
struct watchdog_device. To remedy this situation, watchdog drivers
can implement ref and unref callbacks, to be used by the watchdog
core to lock struct watchdog_device in memory.

While this solves the immediate problem, it depends on watchdog drivers
to actually implement the ref/unref callbacks. This is error prone,
often not implemented in the first place, or not implemented correctly.

To solve the problem without requiring driver support, split the variables
in struct watchdog_device into two data structures - one for variables
associated with the watchdog driver, one for variables associated with
the watchdog core. With this approach, the watchdog core can keep track
of its variable lifetime and no longer depends on ref/unref callbacks
in the driver. As a side effect, some of the variables originally in
struct watchdog_driver are now private to the watchdog core and no longer
visible in watchdog drivers.

As a side effect of the changes made, an ioctl will now always fail
with -ENODEV after a watchdog device was unregistered with the character
device still open. Previously, it would only fail with -ENODEV in some
situations. Also, ioctl operations are now atomic from driver perspective.
With this change, it is now guaranteed that the driver will not unregister
a watchdog between a timeout change and the subsequent ping.

The 'ref' and 'unref' callbacks in struct watchdog_driver are no longer
used and marked as deprecated.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-12-29 20:36:03 +01:00
Shikha Singh
ccf614f5c0 DT: bindings: net: nfc: Add ST95HF binding doc
This patch includes ST95HF binding doc that guides how to
make node entry of ST95HF in DT file of any platform.

Signed-off-by: Shikha Singh <shikha.singh@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2015-12-29 19:06:11 +01:00
Damien Riegel
0f6d785c84 irqchip/ts4800: Add documentation for TS-4800 interrupt controller
This is an interrupt-controller implemented in an FPGA, to multiplex
interrupts generated from other IPs. The FPGA usually uses a GPIO as a
parent interrupt controller to notify that one of the multiplexed
interrupts has triggered.

Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: kernel@savoirfairelinux.com
Link: http://lkml.kernel.org/r/1450728683-31416-1-git-send-email-damien.riegel@savoirfairelinux.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-12-29 11:58:53 +01:00
Thomas Gleixner
5c4acd97e8 irqchip core changes for v4.5
- renesas-intc-irqpin: Remove platform code, improve clock handling
  - sunxi-nmi: Extend NMI support to include A80
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Merge tag 'irqchip-core-v4.5' of git://git.infradead.org/users/jcooper/linux into irq/core

Pull irqchip core changes for v4.5 from Jason Cooper:

 - renesas-intc-irqpin: Remove platform code, improve clock handling

 - sunxi-nmi: Extend NMI support to include A80
2015-12-29 10:25:20 +01:00
Andrzej Hajda
f038f586c3 dt-bindings: remove deprecated compatible string from exynos-hdmi
samsung,exynos5-hdmi compatible was marked as deprecated in Jun 2013.
It was never used since then.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2015-12-29 09:07:11 +09:00
Mans Rullgard
2bfc9beb61 devicetree: watchdog: add binding for Sigma Designs SMP8642 watchdog
This adds a binding for the watchdog in Sigma Designs SMP8642 and
similar devices.

Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-12-28 23:03:55 +01:00
Martyn Welch
5c6bb88a1b Add binding documentation for Zodiac Watchdog Timer
This patchs adds documentation for the binding of the Zodiac RAVE
Switch Watchdog Processor. This is an i2c based watchdog.

Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-12-28 22:52:30 +01:00
Oleksij Rempel
a62a723189 DT: watchdog: add Alphascale asm9260 watchdog binding documentation.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-12-28 22:47:50 +01:00
Damien Riegel
bf90063999 watchdog: ts4800: add driver for TS-4800 watchdog
This watchdog is instantiated in a FPGA that is memory mapped. It is
made of only one register, called the feed register. Writing to this
register will re-arm the watchdog for a given time (and enable it if it
was disable). It can be disabled by writing a special value into it.

It is part of a syscon block, and the watchdog register offset in this
block varies from board to board. This offset is passed in the syscon
property after the phandle to the syscon node.

Signed-off-by: Damien Riegel <damien.riegel@savoirfairelinux.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-12-28 22:29:35 +01:00
Mark Yao
d4d3c6cbc2 dt-bindings: add document for rk3036-vop
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
2015-12-28 09:08:53 +08:00
Rafael J. Wysocki
9ad55cd9e6 Merge back earlier cpufreq material for v4.5. 2015-12-28 01:34:35 +01:00
Pratyush Anand
33b711269a watchdog: Read device status through sysfs attributes
This patch adds following attributes to watchdog device's sysfs interface
to read its different status.

* state - reads whether device is active or not
* identity - reads Watchdog device's identity string.
* timeout - reads current timeout.
* timeleft - reads timeleft before watchdog generates a reset
* bootstatus - reads status of the watchdog device at boot
* status - reads watchdog device's  internal status bits
* nowayout - reads whether nowayout feature was set or not

Testing with iTCO_wdt:
 # cd /sys/class/watchdog/watchdog1/
 # ls
bootstatus  dev  device  identity  nowayout  power  state
subsystem  timeleft  timeout  uevent
 # cat identity
iTCO_wdt
 # cat timeout
30
 # cat state
inactive
 # echo > /dev/watchdog1
 # cat timeleft
26
 # cat state
active
 # cat bootstatus
0
 # cat nowayout
0

Signed-off-by: Pratyush Anand <panand@redhat.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2015-12-27 16:55:57 +01:00
Greg Kroah-Hartman
02c34ccc1d Third set of new stuff for IIO in the 4.5 cycle.
New driver features
 - us5182
   * Add interrupt support and rising / falling threshold events.
 
 Cleanups / fixes to new stuff / minor additions
 * Expose the IIO value formatting function for drivers to
   make use of internally.
 - ina2xx
    * Fix wrong channel order
    * Fix incorrect reporting of endianness
    * Adding documentation of ABI unique to this device
 - mma8452
   * Drop an unused register description
   * Use an enum for the channel index to aid readability
 - sca3000
   * Use standard NULL comparison style
 - us5182
   * fix an inconsistency in status of enable (a bug with no real effect until
     above patches are applied)
   * refactor the read_raw function to improve maintainability / readability.
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Merge tag 'iio-for-4.5c' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

Third set of new stuff for IIO in the 4.5 cycle.

New driver features
- us5182
  * Add interrupt support and rising / falling threshold events.

Cleanups / fixes to new stuff / minor additions
* Expose the IIO value formatting function for drivers to
  make use of internally.
- ina2xx
   * Fix wrong channel order
   * Fix incorrect reporting of endianness
   * Adding documentation of ABI unique to this device
- mma8452
  * Drop an unused register description
  * Use an enum for the channel index to aid readability
- sca3000
  * Use standard NULL comparison style
- us5182
  * fix an inconsistency in status of enable (a bug with no real effect until
    above patches are applied)
  * refactor the read_raw function to improve maintainability / readability.
2015-12-26 17:05:25 -08:00
Greg Kroah-Hartman
35ea984dac Second set of IIO new drivers, functionality and cleanups for the 4.5 cycle.
The big one here is the configfs support which has been a long time in the
 works but should allow for cleaner ways to do instantiation of those elements
 of IIO that aren't directly connected to specific hardware. Lots of cool new
 stuff we can use this for in the works!
 
 New core stuff (basically all configfs support related)
 * Configfs support
   - Core support (was waiting for a configfs patch that went in around 4.4rc2)
   - A little fixlet to add a configfs.h to contain a reference to the
     configfs_subsystem structure.
 * Some infrastructure to simplify handling of software based triggers
   (i.e. ones with no actual hardware associated with them)
 * A high resolution timer based trigger.  This has been around for years
     but until the configfs support was ready we didn't have a sensible way
     of instantiating instances of it (the method used for the sysfs_trigger
     has never been really satisfactory)
 
 New Device Support
 * AMS iAQ Volatile Organic Compounds sensor support.
 * Freescale imx7d ADC driver
 * Maxim MAX30100 oximeter driver (note that for these devices most of the
   smart stuff will be in userspace - effectively they are just light sensors
   with some interesting led synchronization as far as the kernel is concerned).
 * Microchip mcp3421 support added to the mcp3422 driver.
 * TI adc124s021 support added to the adc128s052 driver.
 * TI ina219, inda226 power monitors. Note that there is an existing hwmon driver
   for these parts, the usecase is somewhat different so it is unclear at this
   point if the hwmon driver will eventually be replaced by a bridge from
   this driver.  In the meantime the Kconfig dependencies should prevent both
   from being built.
 
 New driver functionality
 * us8152d power management support.
 
 Cleanups, fixups
 * Use list_for_each_entry_safe instead of list_for_each_safe with the entry
   bit coded longhand.
 * Select IRQ_WORK for IIO_DUMMY_EVGEN.  This is a fix that somehow got lost
   when the driver was moved so lets do it again.
 * st-accel - drop an unused define.
 * vz89x, lidar - optimize i2c transactions by using a single i2c tranfers
   instead of multiple calls where supported (fall back to smbus calls as
   before if not).
 * Use dev_get_platdata() in staging drivers: tsl2x7x, adcs and frequency
   drivers instead of direct access to the structure element.
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Merge tag 'iio-for-4.5b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next

Jonathan writes:

Second set of IIO new drivers, functionality and cleanups for the 4.5 cycle.

The big one here is the configfs support which has been a long time in the
works but should allow for cleaner ways to do instantiation of those elements
of IIO that aren't directly connected to specific hardware. Lots of cool new
stuff we can use this for in the works!

New core stuff (basically all configfs support related)
* Configfs support
  - Core support (was waiting for a configfs patch that went in around 4.4rc2)
  - A little fixlet to add a configfs.h to contain a reference to the
    configfs_subsystem structure.
* Some infrastructure to simplify handling of software based triggers
  (i.e. ones with no actual hardware associated with them)
* A high resolution timer based trigger.  This has been around for years
    but until the configfs support was ready we didn't have a sensible way
    of instantiating instances of it (the method used for the sysfs_trigger
    has never been really satisfactory)

New Device Support
* AMS iAQ Volatile Organic Compounds sensor support.
* Freescale imx7d ADC driver
* Maxim MAX30100 oximeter driver (note that for these devices most of the
  smart stuff will be in userspace - effectively they are just light sensors
  with some interesting led synchronization as far as the kernel is concerned).
* Microchip mcp3421 support added to the mcp3422 driver.
* TI adc124s021 support added to the adc128s052 driver.
* TI ina219, inda226 power monitors. Note that there is an existing hwmon driver
  for these parts, the usecase is somewhat different so it is unclear at this
  point if the hwmon driver will eventually be replaced by a bridge from
  this driver.  In the meantime the Kconfig dependencies should prevent both
  from being built.

New driver functionality
* us8152d power management support.

Cleanups, fixups
* Use list_for_each_entry_safe instead of list_for_each_safe with the entry
  bit coded longhand.
* Select IRQ_WORK for IIO_DUMMY_EVGEN.  This is a fix that somehow got lost
  when the driver was moved so lets do it again.
* st-accel - drop an unused define.
* vz89x, lidar - optimize i2c transactions by using a single i2c tranfers
  instead of multiple calls where supported (fall back to smbus calls as
  before if not).
* Use dev_get_platdata() in staging drivers: tsl2x7x, adcs and frequency
  drivers instead of direct access to the structure element.
2015-12-26 17:03:33 -08:00
Greg Kroah-Hartman
daf273350d phy: for 4.5
*) new PHY driver for hi6220 usb and rcar gen3 usb2
 *) deprecate phy-omap-control driver. phy-omap-control driver was added
    when there was no proper infrastructure for doing control module
    initialization. The phy-omap-control driver is not an 'actual' PHY
    driver and it was just a hack to do PHY related control module
    initialization. Now with SYSCON framework in the kernel, control
    module setttings can be done using APIs provided by syscon.
 *) usbphy-internal pll creates the needed 480MHz and is also a
    supply-clock back to the core clock-controller in Rockchip SoCs.
    This is now modeled as a real clock.
 *) calibrate mt65xx usb3 PHY for better eye diagram and receiver
    sensitivity.
 *) Miscellaneous cleanups.
 
 Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next

Kishon writes:

phy: for 4.5

*) new PHY driver for hi6220 usb and rcar gen3 usb2
*) deprecate phy-omap-control driver. phy-omap-control driver was added
   when there was no proper infrastructure for doing control module
   initialization. The phy-omap-control driver is not an 'actual' PHY
   driver and it was just a hack to do PHY related control module
   initialization. Now with SYSCON framework in the kernel, control
   module setttings can be done using APIs provided by syscon.
*) usbphy-internal pll creates the needed 480MHz and is also a
   supply-clock back to the core clock-controller in Rockchip SoCs.
   This is now modeled as a real clock.
*) calibrate mt65xx usb3 PHY for better eye diagram and receiver
   sensitivity.
*) Miscellaneous cleanups.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-12-26 17:01:18 -08:00
Greg Kroah-Hartman
f7dbd84fd4 The chipidea changes for v4.5-rc1
- Delete static debug for chipidea driver.
 - Suspend USB core when A device tries to switch to peripheral mode,
   at former design, it just stopped SoF simply but USB core doesn't know it.
 - Several small changes.
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Merge tag 'usb-ci-v4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-testing

Peter writes:

The chipidea changes for v4.5-rc1

- Delete static debug for chipidea driver.
- Suspend USB core when A device tries to switch to peripheral mode,
  at former design, it just stopped SoF simply but USB core doesn't know it.
- Several small changes.
2015-12-26 16:59:14 -08:00
Greg Kroah-Hartman
d7a26beb6f Update extcon for 4.5
Detailed description for patchset:
 1. Add new MAX3355 extcon driver
 - Maxim Integrated MAX3355E chip integrates a charge pump
   and comparator to enable a system with an integrated
   USB OTG dual-role transceiver to function as an USB OTG
   dual-role device.
 
 2. Update the extcon-arizona driver for jack detection
 - Add the device binding for the jack detection and add
   the documentation of extcon-arizona.c.
 
 3. Fix the minor issue of extcon driver
 - Add IRQF_ONESHOT to interrupt flags of extcon-rt8973.
 - Fix the return value regmap_irq_get_virq() of
   extcon-max(14577|77693|77843).c driver by using script[1].
   [1] http://permalink.gmane.org/gmane.linux.kernel/2046107
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Merge tag 'extcon-next-for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next

Chanwoo writes:

Update extcon for 4.5

Detailed description for patchset:
1. Add new MAX3355 extcon driver
- Maxim Integrated MAX3355E chip integrates a charge pump
  and comparator to enable a system with an integrated
  USB OTG dual-role transceiver to function as an USB OTG
  dual-role device.

2. Update the extcon-arizona driver for jack detection
- Add the device binding for the jack detection and add
  the documentation of extcon-arizona.c.

3. Fix the minor issue of extcon driver
- Add IRQF_ONESHOT to interrupt flags of extcon-rt8973.
- Fix the return value regmap_irq_get_virq() of
  extcon-max(14577|77693|77843).c driver by using script[1].
  [1] http://permalink.gmane.org/gmane.linux.kernel/2046107
2015-12-26 16:58:05 -08:00
Greg Kroah-Hartman
87cf5586fd usb: patches for v4.5
A ton of improvements to dwc2 have been made. The
 driver should be a lot more stable on v4.5 then ever
 before.
 
 Our good old dwc3 got a few cleanups and misc fixes
 and also added support to Xilinx's integration of
 this IP.
 
 Yoshihiro Shimoda gives us support for a new USB3
 peripheral controller from Renesas.
 
 Other than these, the usual misc fixes all over the
 place.
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Merge tag 'usb-for-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

Felipe writes:

usb: patches for v4.5

A ton of improvements to dwc2 have been made. The
driver should be a lot more stable on v4.5 then ever
before.

Our good old dwc3 got a few cleanups and misc fixes
and also added support to Xilinx's integration of
this IP.

Yoshihiro Shimoda gives us support for a new USB3
peripheral controller from Renesas.

Other than these, the usual misc fixes all over the
place.
2015-12-26 16:56:25 -08:00
Robert Elliott
b03539665d init, Documentation: Remove ramdisk_blocksize mentions
The brd driver has never supported the ramdisk_blocksize kernel
parameter that was in the rd driver it replaced, so remove
mention of this parameter from comments and Documentation.

Commit 9db5579be4bb ("rewrite rd") replaced rd with brd, keeping
a brd_blocksize variable in struct brd_device but never using it.

Commit a2cba2913c76 ("brd: get rid of unused members from struct
brd_device") removed the unused variable.

Commit f5abc8e75815 ("Documentation/blockdev/ramdisk.txt: updates")
removed mentions of ramdisk_blocksize from that file.

Signed-off-by: Robert Elliott <elliott@hpe.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-12-26 05:22:00 -07:00
Michael Turquette
5b50c522d5 Merge branch 'clk-lpc32xx' into clk-next 2015-12-24 12:34:29 -08:00
Vladimir Zapolskiy
d3efc5ac59 dt-bindings: clock: add description of LPC32xx USB clock controller
NXP LPC32xx USB controller has a subdevice, which controls USB AHB
slave, USB OTG, USB OHCI, USB device and I2C controller to USB phy
clocks, this change adds description of the clock controller, for more
details reference LPC32xx User's Manual, namely USB control, OTG clock
control and OTG clock status registers.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-24 12:31:21 -08:00
Vladimir Zapolskiy
92e16f0fb2 dt-bindings: clock: add description of LPC32xx clock controller
NXP LPC32xx SoC has a clocking and power control unit (CPC) as a part
of system control block (SCB). CPC is supplied by two external
oscillators and it manages core and most of peripheral
clocks, the change adds description of DT bindings for clock
controller found on LPC32xx SoC series.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
2015-12-24 12:31:19 -08:00
Markus Elfring
563c17cb20 Documentation-getdelays: Apply a recommendation from "checkpatch.pl" in main()
The script "checkpatch.pl" pointed out that assignments should usually
not be performed within condition checks.
Thus move the assignment for the variable "nl_sd" to a separate statement.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-12-24 07:22:32 -07:00
SeongJae Park
b6e14040c8 Documentation: HOWTO: update versions from 3.x to 4.x
Versions in HOWTO was updated to 4.x by commit
e4144fe5d47c91c92d36cdbd5f31ed8d6e3a57ab ("docs: update HOWTO for 3.x ->
4.x versioning") but not applied to Korean translation. This commit
apply the change.

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-12-24 07:12:23 -07:00
SeongJae Park
403a970cd3 Documentation: remove outdated references from translations
Outdated link to linux-next wiki was removed by commit
ace80793d16fb076381ba0e232d42295d98dae99 ("Documentation: remove
outdated references to the linux-next wiki"). However, the change was
not applied to translations. This commit apply the change to
translations.

Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-12-24 07:11:58 -07:00
Linus Walleij
a898c8358a Exynos-specific drivers for 4.5:
1. Add a pinctrl driver for Exynos5410.
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Merge tag 'samsung-drivers-4.5' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into devel

Exynos-specific drivers for 4.5:
1. Add a pinctrl driver for Exynos5410.
2015-12-24 09:54:53 +01:00
Michael Turquette
cf87a88f51 Allwinner clocks changes for 4.5
Clock patches for the Allwinner SoCs:
   - H3 clocks
   - A10/A20 Video Engine clocks
   - DRAM gates
   - A80 special CPU clock
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Merge tag 'sunxi-clocks-for-4.5' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next

Allwinner clocks changes for 4.5

Clock patches for the Allwinner SoCs:
  - H3 clocks
  - A10/A20 Video Engine clocks
  - DRAM gates
  - A80 special CPU clock
2015-12-23 23:23:18 -08:00