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440803 commits

Author SHA1 Message Date
Sebastian Hesselbarth eeb845459a ARM: dts: kirkwood: set Guruplug phy-connection-type to rgmii-id
Ethernet PHYs found on Globalscale Guruplug are connected by RGMII-ID.
Set the corresponding phy-connection-type property accordingly.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-16-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:53:41 +00:00
Sebastian Hesselbarth e862721c87 ARM: dts: kirkwood: set Guruplug ethernet PHY compatible
Ethernet PHY compatible shall be "ethernet-phy-ieee802.3-c22" and
"ethernet-phy-idAAAA.BBBB" if PHY OUI id is known. We know it for
the PHY found on Guruplug, so set it accordingly.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-15-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:53:32 +00:00
Sebastian Hesselbarth d7e1c07630 ARM: dts: kirkwood: set default pinctrl for I2C1 on 6282
Currently, the only 6282-based Kirkwood boards that use I2C1 are Openblocks
A6/A7. Both use the same default I2C1 pinctrl setting from kirkwood-6282.dtsi.
Move the pinctrl setting to the I2C1 node directly and put a note in front of
the corresponding pinctrl node to overwrite the setting on board level.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-14-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:53:24 +00:00
Sebastian Hesselbarth ce55b1f423 ARM: dts: kirkwood: set default pinctrl for I2C0
There is only one valid pinctrl setting for I2C0 on Kirkwood. Now that we
have the setting in the common SoC pinctrl, move it to the I2C0 controller
node directly and remove it from the individual boards.

While at it, also fix up status = "okay" to "ok" on one board's I2C0 node.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-13-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:53:15 +00:00
Sebastian Hesselbarth cbfaea96ac ARM: dts: kirkwood: set default pinctrl for NAND
There is only one valid pinctrl setting for NAND on Kirkwood. Now that we
have the setting in the common SoC pinctrl, move it to the NAND controller
node directly and remove it from the individual boards.

While at it, also fix up status = "okay" to "ok" on one board's NAND node.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-12-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:53:06 +00:00
Sebastian Hesselbarth 929012010a ARM: dts: kirkwood: set default pinctrl for SPI0
Most Kirkwood boards use the default SPI0 pinctrl setting anyway. Add a
default pinctrl setting to the toplevel SoC SPI0 node and put a note
in front of the corresponding pinctrl node to overwrite the setting
on board level.

Currently, only T5325 is using a different setting and already
overwrites the corresponding pinctrl node.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-11-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:52:55 +00:00
Sebastian Hesselbarth 9f2339a697 ARM: dts: kirkwood: set default pinctrl for UART0/1
Most boards use the default UART0/1 pinctrl setting without RTS/CTS.
Add the pinctrl setting to the toplevel SoC UART nodes and put a note
in front of the corresponding pinctrl node to overwrite the setting
on board level. Currently, both boards using a different UART pinctrl
setting (Openblocks A6, A7) already overwrite the pinctrl node.

While at it, also fix up some status = "ok" to "okay" and again
whitespace issues on mplcec4 uart nodes.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-10-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:52:45 +00:00
Sebastian Hesselbarth 9dd85ad219 ARM: dts: kirkwood: set default pinctrl for GBE1
On Kirkwood, there is only one valid pinctrl setting for GBE1. With
a common SoC pinctrl node, we can now set it in the node instead of
in each board file.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-9-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:52:36 +00:00
Sebastian Hesselbarth 327e154289 ARM: dts: kirkwood: consolidate common pinctrl settings
All SoCs have the same pinctrl setting for NAND, UART0/1, SPI, TWSI0,
and GBE1. Move it to the common pinctrl node that we now have.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-8-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:52:28 +00:00
Sebastian Hesselbarth 2ab516adb3 ARM: dts: kirkwood: add pinctrl node to common SoC include
All Kirkwood SoCs have their pinctrl registers at the same address.
Instead of replaying the same reg property on each SoC, have the
reg property set in the common SoC file already. This also allows
us to move common pinctrl settings to this node later on.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-7-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:52:19 +00:00
Sebastian Hesselbarth a948396981 ARM: dts: kirkwood: rename pin-controller nodes
To prepare pin-controller consolidation, first rename all pinctrl nodes
to a more appropriate name regarding ePAPR recommended names.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-6-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:51:33 +00:00
Sebastian Hesselbarth e37e01112a ARM: dts: kirkwood: remove clock-frequency properties from UART nodes
UART devices found on Kirkwood SoCs derive their baudrate from TCLK.
With proper clocks property in the SoCs serial node, boards do not
need to overwrite it anymore.

Remove the remaining clock-frequency property from all Kirkwood boards.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-5-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:48:51 +00:00
Sebastian Hesselbarth ab8336147b ARM: dts: kirkwood: add stdout-path property to all boards
ePAPR allows to reference the device used for console output by
stdout-path property. With node labels for Kirkwood UART0, now
reference it on all Kirkwood boards that already have ttyS0 in
their bootargs property.

While at it, fix some whitespace issues on mplcec4's chosen node
(there are more, but we only fix the chosen node now)

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-4-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:48:35 +00:00
Sebastian Hesselbarth 7b36efd086 ARM: dts: kirkwood: add node labels
This adds missing node labels to Kirkwood common and SoC specific nodes
to allow to reference them more easily.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1398862602-29595-3-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-05-05 00:48:24 +00:00
Ezequiel Garcia c630829a98 ARM: mvebu: Enable the thermal sensor in Armada 380/385 SoC
This commit enables the thermal sensor found in Armada 380/385 SoCs.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Link: https://lkml.kernel.org/r/1398371004-15807-11-git-send-email-ezequiel.garcia@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-28 16:51:35 +00:00
Ezequiel Garcia f672e4817f ARM: mvebu: Enable the thermal sensor in Armada 375 SoC
This commit enables the thermal sensor found in Armada 375 SoCs.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Link: https://lkml.kernel.org/r/1398371004-15807-10-git-send-email-ezequiel.garcia@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-26 00:53:31 +00:00
Thomas Petazzoni 953f9c5d7c ARM: mvebu: don't use clocks property in UART node for Netgear RN2120
The Netgear RN2120 was not using the same strategy as the other Armada
370/375/38x/XP boards: it was using a 'clocks' property and not the
'clock-frequency' property in its UART controller Device Tree node.

However, now that this clock reference is present at the SoC-level,
there is no point in duplicating it at the board-level.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1397806908-7550-6-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-26 00:34:57 +00:00
Thomas Petazzoni 0d9179fb33 ARM: mvebu: remove clock-frequency of serial port Device Tree nodes
Now that the Armada 370/375/38x/XP SoC-level Device Tree files have
the proper "clocks" property in their UART controllers node, it is no
longer useful to have the clock-frequency property defined in the
board-level Device Tree files.

Therefore, this commit gets rid of all the useless 'clock-frequency'
properties.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1397806908-7550-5-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-26 00:34:44 +00:00
Thomas Petazzoni 64939dc5bf ARM: mvebu: use clocks property for serial ports
Back when the Armada 370 and Armada XP initial support was introduced,
the only way to pass the clock frequency to the of_serial driver was
through a clock-frequency Device Tree property.

Thanks to 0bbeb3c3e8 ('of serial port
driver - add clk_get_rate() support'), it is possible to use the
standard 'clocks' DT property to reference the clock used for a
particular UART controller. This clock is then used by the of_serial
driver to retrieve the clock rate.

This commit modifies the SoC-level Device Tree files of Armada 370,
Armada XP, Armada 375 and Armada 38x to use this possibility. Since
there is no gatable clock for the UART controllers, we simply
reference the TCLK, which is the main SoC clock for the peripherals.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1397806908-7550-4-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-26 00:34:33 +00:00
Thomas Petazzoni d175b6e494 ARM: mvebu: add Device Tree description of AHCI interfaces on Armada 38x
The Marvell Armada 38x processors contain two AHCI compatible
interfaces. This commit adds the Device Tree description of those
interfaces at the SoC level, and also enables them on the Armada 385
DB platform, which allows access to both interfaces through SATA
ports.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397574006-5868-4-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-26 00:26:36 +00:00
Thomas Petazzoni 6eccc52b44 ARM: mvebu: enable the SDHCI interface on Armada 385
In commit "mmc: sdhci-pxav3: add support for the Armada 38x SDHCI
controller", the sdhci-pxav3 driver has been extended to also be
usable on Armada 38x platforms.

Therefore, this commit adds the necessary Device Tree informations to
declare this SDHCI interface in the Armada 38x SoC, and also in the
Armada 385 Development Board.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1397486478-16991-2-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-25 21:30:08 +00:00
Thomas Petazzoni 19b06d7fd0 ARM: mvebu: add SMP support in the Armada 38x device tree
This commit improves the Armada 38x Device Tree to add the CPU reset
and PMSU Device Tree nodes as well as the declaration of the enabling
method for the CPUs. These are needed to get SMP working on Armada 38x
platforms.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397483648-26611-12-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-24 05:50:15 +00:00
Gregory CLEMENT 42eae5a41f ARM: mvebu: add SMP support in the Armada 375 device tree
Improve the Armada 375 Device Tree to add the CPU reset Device Tree
node and declare the enabling method for CPUs, both of which are
necessary to get SMP working.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1397483648-26611-11-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397483648-26611-11-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-24 05:50:14 +00:00
Thomas Petazzoni 231578565d ARM: mvebu: add enable-method property for CPUs
This commit updates the Armada XP Device Trees (for the three variants
of Armada XP) to declare the "enable-method" property for the CPUs,
which helps operating systems find the appropriate logic to manage the
CPUs, especially to boot secondary CPUs.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397483648-26611-4-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-24 05:50:14 +00:00
Gregory CLEMENT b6249d4b36 ARM: mvebu: switch to the new PMSU binding in Armada 370/XP Device Tree
Following the introduction of the new PMSU Device Tree binding, as
well as the separate CPU reset binding, this commit switches the
Armada 370 and Armada XP Device Trees to use them.

The PMSU node is moved from the Armada XP specific armada-xp.dtsi to
the common Armada 370/XP armada-370-xp.dtsi because the PMSU is in
fact available at the same location on both SOCs.

The CPU reset node is then added on both Armada 370 and Armada XP,
with a different compatible string. On Armada 370, the CPU reset
driver is not really needed as Armada 370 is single core and the only
use of the CPU reset driver is to boot secondary processors, but it
still makes sense to have this CPU reset register described in the
Device Tree.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1397483433-25836-6-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397483433-25836-6-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-24 05:28:41 +00:00
Thomas Petazzoni 964a6156d3 ARM: mvebu: enable the coherency fabric on Armada 38x
This commit adds the necessary Device Tree information to enable the
coherency fabric on Armada 38x.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397483228-25625-11-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-24 05:06:33 +00:00
Thomas Petazzoni 6a8a57f2f0 ARM: mvebu: enable the coherency fabric on Armada 375
This commit adds the necessary Device Tree information to enable the
coherency fabric on Armada 375.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Link: https://lkml.kernel.org/r/1397483228-25625-10-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-24 05:06:33 +00:00
Ezequiel Garcia 153a964a79 ARM: mvebu: Enable Armada 380/385 watchdog in the devicetree
Add the DT nodes to enable the watchdog support available on
Armada 380/385 SoC.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Link: https://lkml.kernel.org/r/1397481813-4962-9-git-send-email-ezequiel.garcia@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-24 04:49:53 +00:00
Ezequiel Garcia 13dacc5622 ARM: mvebu: Enable Armada 375 watchdog in the devicetree
Add the DT nodes to enable the watchdog support available on
Armada 375 SoC.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Link: https://lkml.kernel.org/r/1397481813-4962-8-git-send-email-ezequiel.garcia@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-24 04:49:53 +00:00
Adam Baker 76a93dc923 ARM: kirkwood: rename kirwood-nsa310-common to 3x0-common
Rename the include file kirkwood-nsa310-common.dtsi as
 it is now also used for NSA320. There is also an NSA325
 but that appears not to be as similar so is unlikely to
 want to share an include file.

Signed-off-by: Adam Baker <linux@baker-net.org.uk>
Link: https://lkml.kernel.org/r/53447978.2020206@baker-net.org.uk
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-24 04:41:59 +00:00
Adam Baker be3d7d023b ARM: kirkwood: Add DTS file for NSA320
Add a new DTS file to support the Zyxel NSA320 dual bay
 NAS Drive. This DTS just describes the features that
 work with the current kernel drivers. New drivers still
 need writing to support the temperature sensor, the
 power on behaviour control and the buzzer.

Signed-off-by: Adam Baker <linux@baker-net.org.uk>
Link: https://lkml.kernel.org/r/1396820569-3841-2-git-send-email-linux@baker-net.org.uk
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-24 04:41:36 +00:00
Adam Baker 655220960f ARM: kirkwood: Move NSA310 common parts to include file
Move definitions that are common to both nsa-310.dts and
 nsa310a.dts and that will also be used in nsa320 into
 kirkwood-nsa310-common.dtsi. Also rename the USB
 Regulator to remove the word off from its name as the
 state of a regulator shouldn't be part of its name.

Signed-off-by: Adam Baker <linux@baker-net.org.uk>
Link: https://lkml.kernel.org/r/1396820569-3841-1-git-send-email-linux@baker-net.org.uk
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-04-24 04:41:10 +00:00
Linus Torvalds c9eaa447e7 Linux 3.15-rc1 2014-04-13 14:18:35 -07:00
Geert Uytterhoeven f7c1d07420 mm: Initialize error in shmem_file_aio_read()
Some versions of gcc even warn about it:

  mm/shmem.c: In function ‘shmem_file_aio_read’:
  mm/shmem.c:1414: warning: ‘error’ may be used uninitialized in this function

If the loop is aborted during the first iteration by one of the two
first break statements, error will be uninitialized.

Introduced by commit 6e58e79db8 ("introduce copy_page_to_iter, kill
loop over iovec in generic_file_aio_read()").

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-13 14:10:26 -07:00
Geert Uytterhoeven e686bd8dc5 cifs: Use min_t() when comparing "size_t" and "unsigned long"
On 32 bit, size_t is "unsigned int", not "unsigned long", causing the
following warning when comparing with PAGE_SIZE, which is always "unsigned
long":

  fs/cifs/file.c: In function ‘cifs_readdata_to_iov’:
  fs/cifs/file.c:2757: warning: comparison of distinct pointer types lacks a cast

Introduced by commit 7f25bba819 ("cifs_iovec_read: keep iov_iter
between the calls of cifs_readdata_to_iov()"), which changed the
signedness of "remaining" and the code from min_t() to min().

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-13 14:10:26 -07:00
Linus Torvalds bf3a340738 Merge branch 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
Pull slab changes from Pekka Enberg:
 "The biggest change is byte-sized freelist indices which reduces slab
  freelist memory usage:

    https://lkml.org/lkml/2013/12/2/64"

* 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
  mm: slab/slub: use page->list consistently instead of page->lru
  mm/slab.c: cleanup outdated comments and unify variables naming
  slab: fix wrongly used macro
  slub: fix high order page allocation problem with __GFP_NOFAIL
  slab: Make allocations with GFP_ZERO slightly more efficient
  slab: make more slab management structure off the slab
  slab: introduce byte sized index for the freelist of a slab
  slab: restrict the number of objects in a slab
  slab: introduce helper functions to get/set free object
  slab: factor out calculate nr objects in cache_estimate
2014-04-13 13:28:13 -07:00
Linus Torvalds 321d03c867 Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild changes from Michal Marek:
 "Here is the non-critical part of kbuild:
   - One bogus coccinelle check removed, one check fixed not to suggest
     the obsolete PTR_RET macro
   - scripts/tags.sh does not index the generated *.mod.c files
   - new objdiff tool to list differences between two versions of an
     object file
   - A fix for scripts/bootgraph.pl"

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  scripts/coccinelle: Use PTR_ERR_OR_ZERO
  scripts/bootgraph.pl: Add graphic header
  scripts: objdiff: detect object code changes between two commits
  Coccicheck: Remove memcpy to struct assignment test
  scripts/tags.sh: Ignore *.mod.c
2014-04-12 18:22:27 -07:00
Mikulas Patocka fd1232b214 sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue
This patch fixes I/O errors with the sym53c8xx_2 driver when the disk
returns QUEUE FULL status.

When the controller encounters an error (including QUEUE FULL or BUSY
status), it aborts all not yet submitted requests in the function
sym_dequeue_from_squeue.

This function aborts them with DID_SOFT_ERROR.

If the disk has full tag queue, the request that caused the overflow is
aborted with QUEUE FULL status (and the scsi midlayer properly retries
it until it is accepted by the disk), but the sym53c8xx_2 driver aborts
the following requests with DID_SOFT_ERROR --- for them, the midlayer
does just a few retries and then signals the error up to sd.

The result is that disk returning QUEUE FULL causes request failures.

The error was reproduced on 53c895 with COMPAQ BD03685A24 disk
(rebranded ST336607LC) with command queue 48 or 64 tags.  The disk has
64 tags, but under some access patterns it return QUEUE FULL when there
are less than 64 pending tags.  The SCSI specification allows returning
QUEUE FULL anytime and it is up to the host to retry.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-12 18:02:16 -07:00
Paul Mackerras 18aa0da33e powerpc: Don't try to set LPCR unless we're in hypervisor mode
Commit 8f619b5429 ("powerpc/ppc64: Do not turn AIL (reloc-on
interrupts) too early") added code to set the AIL bit in the LPCR
without checking whether the kernel is running in hypervisor mode.  The
result is that when the kernel is running as a guest (i.e., under
PowerKVM or PowerVM), the processor takes a privileged instruction
interrupt at that point, causing a panic.  The visible result is that
the kernel hangs after printing "returning from prom_init".

This fixes it by checking for hypervisor mode being available before
setting LPCR.  If we are not in hypervisor mode, we enable relocation-on
interrupts later in pSeries_setup_arch using the H_SET_MODE hcall.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-12 17:58:48 -07:00
Davidlohr Bueso d7e8af1afe futex: update documentation for ordering guarantees
Commits 11d4616bd0 ("futex: revert back to the explicit waiter
counting code") and 69cd9eba38 ("futex: avoid race between requeue and
wake") changed some of the finer details of how we think about futexes.
One was a late fix and the other a consequence of overlooking the whole
requeuing logic.

The first change caused our documentation to be incorrect, and the
second made us aware that we need to explicitly add more details to it.

Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-12 17:57:51 -07:00
Linus Torvalds 454fd351f2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull yet more networking updates from David Miller:

 1) Various fixes to the new Redpine Signals wireless driver, from
    Fariya Fatima.

 2) L2TP PPP connect code takes PMTU from the wrong socket, fix from
    Dmitry Petukhov.

 3) UFO and TSO packets differ in whether they include the protocol
    header in gso_size, account for that in skb_gso_transport_seglen().
   From Florian Westphal.

 4) If VLAN untagging fails, we double free the SKB in the bridging
    output path.  From Toshiaki Makita.

 5) Several call sites of sk->sk_data_ready() were referencing an SKB
    just added to the socket receive queue in order to calculate the
    second argument via skb->len.  This is dangerous because the moment
    the skb is added to the receive queue it can be consumed in another
    context and freed up.

    It turns out also that none of the sk->sk_data_ready()
    implementations even care about this second argument.

    So just kill it off and thus fix all these use-after-free bugs as a
    side effect.

 6) Fix inverted test in tcp_v6_send_response(), from Lorenzo Colitti.

 7) pktgen needs to do locking properly for LLTX devices, from Daniel
    Borkmann.

 8) xen-netfront driver initializes TX array entries in RX loop :-) From
    Vincenzo Maffione.

 9) After refactoring, some tunnel drivers allow a tunnel to be
    configured on top itself.  Fix from Nicolas Dichtel.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (46 commits)
  vti: don't allow to add the same tunnel twice
  gre: don't allow to add the same tunnel twice
  drivers: net: xen-netfront: fix array initialization bug
  pktgen: be friendly to LLTX devices
  r8152: check RTL8152_UNPLUG
  net: sun4i-emac: add promiscuous support
  net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
  net: ipv6: Fix oif in TCP SYN+ACK route lookup.
  drivers: net: cpsw: enable interrupts after napi enable and clearing previous interrupts
  drivers: net: cpsw: discard all packets received when interface is down
  net: Fix use after free by removing length arg from sk_data_ready callbacks.
  Drivers: net: hyperv: Address UDP checksum issues
  Drivers: net: hyperv: Negotiate suitable ndis version for offload support
  Drivers: net: hyperv: Allocate memory for all possible per-pecket information
  bridge: Fix double free and memory leak around br_allowed_ingress
  bonding: Remove debug_fs files when module init fails
  i40evf: program RSS LUT correctly
  i40evf: remove open-coded skb_cow_head
  ixgb: remove open-coded skb_cow_head
  igbvf: remove open-coded skb_cow_head
  ...
2014-04-12 17:31:22 -07:00
Linus Torvalds fd18f00dd9 blackfin updates for Linux 3.15
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Merge tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux

Pull blackfin updates from Steven Miao:
 "Code cleanup, some previously ignored patches, and bug fixes"

* tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux:
  blackfin: cleanup board files
  bf609: clock: drop unused clock bit set/clear functions
  Blackfin: bf537: rename "CONFIG_ADT75"
  Blackfin: bf537: rename "CONFIG_AD7314"
  Blackfin: bf537: rename ad2s120x ->ad2s1200
  blackfin: bf537: fix typo "CONFIG_SND_SOC_ADV80X_MODULE"
  blackfin: dma: current count mmr is read only
  bfin_crc: Move architecture independant crc header file out of the blackfin folder.
  bf54x: drop unuesd HOST status,control,timeout registers bit define macros
  blackfin: portmux: cleanup head file
  Blackfin: remove "config IP_CHECKSUM_L1"
  blackfin: Remove GENERIC_GPIO config option again
  blackfin:Use generic /proc/interrupts implementation
  blackfin: bf60x: fix typo "CONFIG_PM_BFIN_WAKE_PA15_POL"
2014-04-12 17:26:45 -07:00
Linus Torvalds de0c9cf96a Several remoteproc cleanup patches coming from Jingoo Han, Julia Lawall and Uwe Kleine-König.
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Merge tag 'remoteproc-3.15-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc

Pull remoteproc cleanups from Ohad Ben-Cohen:
 "Several remoteproc cleanup patches coming from Jingoo Han, Julia
  Lawall and Uwe Kleine-König"

* tag 'remoteproc-3.15-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc:
  remoteproc/ste_modem: staticize local symbols
  remoteproc/davinci: simplify use of devm_ioremap_resource
  remoteproc/davinci: drop needless devm_clk_put
2014-04-12 17:23:12 -07:00
Linus Torvalds 09c9b61d5d LLVMLinux Patches for v3.15
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Merge tag 'llvmlinux-for-v3.15' of git://git.linuxfoundation.org/llvmlinux/kernel

Pull llvm patches from Behan Webster:
 "These are some initial updates to support compiling the kernel with
  clang.

  These patches have been through the proper reviews to the best of my
  ability, and have been soaking in linux-next for a few weeks.  These
  patches by themselves still do not completely allow clang to be used
  with the kernel code, but lay the foundation for other patches which
  are still under review.

  Several other of the LLVMLinux patches have been already added via
  maintainer trees"

* tag 'llvmlinux-for-v3.15' of git://git.linuxfoundation.org/llvmlinux/kernel:
  x86: LLVMLinux: Fix "incomplete type const struct x86cpu_device_id"
  x86 kbuild: LLVMLinux: More cc-options added for clang
  x86, acpi: LLVMLinux: Remove nested functions from Thinkpad ACPI
  LLVMLinux: Add support for clang to compiler.h and new compiler-clang.h
  LLVMLinux: Remove warning about returning an uninitialized variable
  kbuild: LLVMLinux: Fix LINUX_COMPILER definition script for compilation with clang
  Documentation: LLVMLinux: Update Documentation/dontdiff
  kbuild: LLVMLinux: Adapt warnings for compilation with clang
  kbuild: LLVMLinux: Add Kbuild support for building kernel with Clang
2014-04-12 17:00:40 -07:00
Linus Torvalds 141eaccd01 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
 "Here are the target pending updates for v3.15-rc1.  Apologies in
  advance for waiting until the second to last day of the merge window
  to send these out.

  The highlights this round include:

   - iser-target support for T10 PI (DIF) offloads (Sagi + Or)
   - Fix Task Aborted Status (TAS) handling in target-core (Alex Leung)
   - Pass in transport supported PI at session initialization (Sagi + MKP + nab)
   - Add WRITE_INSERT + READ_STRIP T10 PI support in target-core (nab + Sagi)
   - Fix iscsi-target ERL=2 ASYNC_EVENT connection pointer bug (nab)
   - Fix tcm_fc use-after-free of ft_tpg (Andy Grover)
   - Use correct ib_sg_dma primitives in ib_isert (Mike Marciniszyn)

  Also, note the virtio-scsi + vhost-scsi changes to expose T10 PI
  metadata into KVM guest have been left-out for now, as there where a
  few comments from MST + Paolo that where not able to be addressed in
  time for v3.15.  Please expect this feature for v3.16-rc1"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (43 commits)
  ib_srpt: Use correct ib_sg_dma primitives
  target/tcm_fc: Rename ft_tport_create to ft_tport_get
  target/tcm_fc: Rename ft_{add,del}_lport to {add,del}_wwn
  target/tcm_fc: Rename structs and list members for clarity
  target/tcm_fc: Limit to 1 TPG per wwn
  target/tcm_fc: Don't export ft_lport_list
  target/tcm_fc: Fix use-after-free of ft_tpg
  target: Add check to prevent Abort Task from aborting itself
  target: Enable READ_STRIP emulation in target_complete_ok_work
  target/sbc: Add sbc_dif_read_strip software emulation
  target: Enable WRITE_INSERT emulation in target_execute_cmd
  target/sbc: Add sbc_dif_generate software emulation
  target/sbc: Only expose PI read_cap16 bits when supported by fabric
  target/spc: Only expose PI mode page bits when supported by fabric
  target/spc: Only expose PI inquiry bits when supported by fabric
  target: Pass in transport supported PI at session initialization
  target/iblock: Fix double bioset_integrity_free bug
  Target/sbc: Initialize COMPARE_AND_WRITE write_sg scatterlist
  target/rd: T10-Dif: RAM disk is allocating more space than required.
  iscsi-target: Fix ERL=2 ASYNC_EVENT connection pointer bug
  ...
2014-04-12 16:51:08 -07:00
Linus Torvalds 9309444906 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
 "A series of bug fix patches for v3.15-rc1.  Most are just driver
  fixes.  There are some changes at remote controller core level, fixing
  some definitions on a new API added for Kernel v3.15.

  It also adds the missing include at include/uapi/linux/v4l2-common.h,
  to allow its compilation on userspace, as pointed by you"

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (24 commits)
  [media] gpsca: remove the risk of a division by zero
  [media] stk1160: warrant a NUL terminated string
  [media] v4l: ti-vpe: retain v4l2_buffer flags for captured buffers
  [media] v4l: ti-vpe: Set correct field parameter for output and capture buffers
  [media] v4l: ti-vpe: zero out reserved fields in try_fmt
  [media] v4l: ti-vpe: Fix initial configuration queue data
  [media] v4l: ti-vpe: Use correct bus_info name for the device in querycap
  [media] v4l: ti-vpe: report correct capabilities in querycap
  [media] v4l: ti-vpe: Allow usage of smaller images
  [media] v4l: ti-vpe: Use video_device_release_empty
  [media] v4l: ti-vpe: Make sure in job_ready that we have the needed number of dst_bufs
  [media] lgdt3305: include sleep functionality in lgdt3304_ops
  [media] drx-j: use customise option correctly
  [media] m88rs2000: fix sparse static warnings
  [media] r820t: fix size and init values
  [media] rc-core: remove generic scancode filter
  [media] rc-core: split dev->s_filter
  [media] rc-core: do not change 32bit NEC scancode format for now
  [media] rtl28xxu: remove duplicate ID 0458:707f Genius TVGo DVB-T03
  [media] xc2028: add missing break to switch
  ...
2014-04-12 16:18:17 -07:00
Linus Torvalds 07f5fef981 NTB driver bug fixes to address issues in list traversal, skb leak in
ntb_netdev, a typo, and a leak of msix entries in the error path.
 Clean ups of the event handling logic, as well as a overall style
 cleanup.  Finally, the driver was converted to use the new
 pci_enable_msix_range logic (and the refactoring to go along with it).
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Merge tag 'ntb-3.15' of git://github.com/jonmason/ntb

Pull PCIe non-transparent bridge fixes and features from Jon Mason:
 "NTB driver bug fixes to address issues in list traversal, skb leak in
  ntb_netdev, a typo, and a leak of msix entries in the error path.
  Clean ups of the event handling logic, as well as a overall style
  cleanup.  Finally, the driver was converted to use the new
  pci_enable_msix_range logic (and the refactoring to go along with it)"

* tag 'ntb-3.15' of git://github.com/jonmason/ntb:
  ntb: Use pci_enable_msix_range() instead of pci_enable_msix()
  ntb: Split ntb_setup_msix() into separate BWD/SNB routines
  ntb: Use pci_msix_vec_count() to obtain number of MSI-Xs
  NTB: Code Style Clean-up
  NTB: client event cleanup
  ntb: Fix leakage of ntb_device::msix_entries[] array
  NTB: Fix typo in setting one translation register
  ntb_netdev: Fix skb free issue in open
  ntb_netdev: Fix list_for_each_entry exit issue
2014-04-12 16:16:39 -07:00
Linus Torvalds 96c57ade7e ceph: fix pr_fmt() redefinition
The vfs merge caused a latent bug to show up:

   In file included from fs/ceph/super.h:4:0,
                    from fs/ceph/ioctl.c:3:
   include/linux/ceph/ceph_debug.h:4:0: warning: "pr_fmt" redefined [enabled by default]
    #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
    ^
   In file included from include/linux/kernel.h:13:0,
                    from include/linux/uio.h:12,
                    from include/linux/socket.h:7,
                    from include/uapi/linux/in.h:22,
                    from include/linux/in.h:23,
                    from fs/ceph/ioctl.c:1:
   include/linux/printk.h:214:0: note: this is the location of the previous definition
    #define pr_fmt(fmt) fmt
    ^

where the reason is that <linux/ceph_debug.h> is included much too late
for the "pr_fmt()" define.

The include of <linux/ceph_debug.h> needs to be the first include in the
file, but fs/ceph/ioctl.c had for some reason missed that, and it wasn't
noticeable until some unrelated header file changes brought in an
indirect earlier include of <linux/kernel.h>.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-04-12 15:39:53 -07:00
Linus Torvalds 5166701b36 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs updates from Al Viro:
 "The first vfs pile, with deep apologies for being very late in this
  window.

  Assorted cleanups and fixes, plus a large preparatory part of iov_iter
  work.  There's a lot more of that, but it'll probably go into the next
  merge window - it *does* shape up nicely, removes a lot of
  boilerplate, gets rid of locking inconsistencie between aio_write and
  splice_write and I hope to get Kent's direct-io rewrite merged into
  the same queue, but some of the stuff after this point is having
  (mostly trivial) conflicts with the things already merged into
  mainline and with some I want more testing.

  This one passes LTP and xfstests without regressions, in addition to
  usual beating.  BTW, readahead02 in ltp syscalls testsuite has started
  giving failures since "mm/readahead.c: fix readahead failure for
  memoryless NUMA nodes and limit readahead pages" - might be a false
  positive, might be a real regression..."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (63 commits)
  missing bits of "splice: fix racy pipe->buffers uses"
  cifs: fix the race in cifs_writev()
  ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure
  kill generic_file_buffered_write()
  ocfs2_file_aio_write(): switch to generic_perform_write()
  ceph_aio_write(): switch to generic_perform_write()
  xfs_file_buffered_aio_write(): switch to generic_perform_write()
  export generic_perform_write(), start getting rid of generic_file_buffer_write()
  generic_file_direct_write(): get rid of ppos argument
  btrfs_file_aio_write(): get rid of ppos
  kill the 5th argument of generic_file_buffered_write()
  kill the 4th argument of __generic_file_aio_write()
  lustre: don't open-code kernel_recvmsg()
  ocfs2: don't open-code kernel_recvmsg()
  drbd: don't open-code kernel_recvmsg()
  constify blk_rq_map_user_iov() and friends
  lustre: switch to kernel_sendmsg()
  ocfs2: don't open-code kernel_sendmsg()
  take iov_iter stuff to mm/iov_iter.c
  process_vm_access: tidy up a bit
  ...
2014-04-12 14:49:50 -07:00
David S. Miller eda43ce039 Merge branch 'tunnels'
Nicolas Dichtel says:

====================
tunnels: don't allow to add the same tunnel twice

This series fixes the check of an existing tunnel with the same
parameters when a new tunnel is added.  I've checked all users of
ip_tunnel_newlink(): gre, gretap, ipip and vti. The bug exists only
for gre and vti.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-04-12 17:03:20 -04:00