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20847 Commits (4def8a360fc6119e09916708cca0977a1495ccf4)

Author SHA1 Message Date
Rafael J. Wysocki 3a5cf05adf Merge branches 'acpi-init', 'acpi-pnp', 'acpi-scan', 'acpi-proc' and 'acpi-doc'
* acpi-init:
  ACPI / init: Switch over platform to the ACPI mode later

* acpi-pnp:
  ACPI / PNP: Avoid conflicting resource reservations

* acpi-scan:
  ACPI / scan: constify ACPI device ids
  ACPI / property: Define a symbol for PRP0001
  ACPI / property: Refine consistency check for PRP0001

* acpi-proc:
  ACPI / proc: make ACPI_PROCFS_POWER X86 only

* acpi-doc:
  ACPI: Constify ACPI device IDs in documentation
  ACPI / enumeration: Document the rules regarding the PRP0001 device ID
  ACPI: fix kernel-parameters ordering in Documentation
2015-06-19 01:15:49 +02:00
Mathias Krause 1a147ed75c ACPI: Constify ACPI device IDs in documentation
ACPI device ID arrays normally don't need to be written to as they're
only ever read. The common usage -- embedding pointers to acpi_device_id
arrays in other data structures -- reference them as 'const', e.g. as in
struct acpi_driver / acpi_scan_handler / device_driver. The matchers are
taking const pointers, too. So it's only natural, to propose using const
arrays. Change the documentation accordingly.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-06-19 01:14:15 +02:00
Rafael J. Wysocki eb34866461 ACPI / enumeration: Document the rules regarding the PRP0001 device ID
Document how the ACPI device enumeration code uses the special
PRP0001 device ID.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Reviewed-by: Darren Hart <dvhart@linux.intel.com>
2015-06-19 01:13:52 +02:00
Linus Torvalds c8d17b451a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix uninitialized struct station_info in cfg80211_wireless_stats(),
    from Johannes Berg.

 2) Revert commit attempt to fix ipv6 protocol resubmission, it adds
    regressions.

 3) Endless loops can be created in bridge port lists, fix from Nikolay
    Aleksandrov.

 4) Don't WARN_ON() if sk->sk_forward_alloc is non-zero in
    sk_clear_memalloc, it is a legal situation during swap deactivation.
    Fix from Mel Gorman.

 5) Fix order of disabling interrupts and unlocking NAPI in enic driver
    to avoid a race.  From Govindarajulu Varadarajan.

 6) High and low register writes are swapped when programming the start
    of periodic output in igb driver.  From Richard Cochran.

 7) Fix device rename handling in mpls stack, from Robert Shearman.

 8) Do not trigger compaction synchronously when optimistically trying
    to allocate an order 3 page in alloc_skb_with_frags() and
    skb_page_frag_refill().  From Shaohua Li.

 9) Authentication with COOKIE_ECHO is not handled properly in SCTP, fix
    from Marcelo Ricardo Leitner.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  Doc: networking: Fix URL for wiki.wireshark.org in udplite.txt
  sctp: allow authenticating DATA chunks that are bundled with COOKIE_ECHO
  net: don't wait for order-3 page allocation
  mpls: handle device renames for per-device sysctls
  net: igb: fix the start time for periodic output signals
  enic: fix memory leak in rq_clean
  enic: check return value for stat dump
  enic: unlock napi busy poll before unmasking intr
  net, swap: Remove a warning and clarify why sk_mem_reclaim is required when deactivating swap
  bridge: fix multicast router rlist endless loop
  tipc: disconnect socket directly after probe failure
  Revert "ipv6: Fix protocol resubmission"
  cfg80211: wext: clear sinfo struct before calling driver
2015-06-12 20:54:16 -10:00
Masanari Iida b07d496177 Doc: networking: Fix URL for wiki.wireshark.org in udplite.txt
This patch fix URL (http to https) for wiki.wireshark.org.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-12 14:21:29 -07:00
Linus Torvalds c39f3bc659 Merge git://git.infradead.org/intel-iommu
Pull VT-d hardware workarounds from David Woodhouse:
 "This contains a workaround for hardware issues which I *thought* were
  never going to be seen on production hardware.  I'm glad I checked
  that before the 4.1 release...

  Firstly, PASID support is so broken on existing chips that we're just
  going to declare the old capability bit 28 as 'reserved' and change
  the VT-d spec to move PASID support to another bit.  So any existing
  hardware doesn't support SVM; it only sets that (now) meaningless bit
  28.

  That patch *wasn't* imperative for 4.1 because we don't have PASID
  support yet.  But *even* the extended context tables are broken — if
  you just enable the wider tables and use none of the new bits in them,
  which is precisely what 4.1 does, you find that translations don't
  work.  It's this problem which I thought was caught in time to be
  fixed before production, but wasn't.

  To avoid triggering this issue, we now *only* enable the extended
  context tables on hardware which also advertises "we have PASID
  support and we actually tested it this time" with the new PASID
  feature bit.

  In addition, I've added an 'intel_iommu=ecs_off' command line
  parameter to allow us to disable it manually if we need to"

* git://git.infradead.org/intel-iommu:
  iommu/vt-d: Only enable extended context tables if PASID is supported
  iommu/vt-d: Change PASID support to bit 40 of Extended Capability Register
2015-06-12 11:28:57 -07:00
David Woodhouse c83b2f20fd iommu/vt-d: Only enable extended context tables if PASID is supported
Although the extended tables are theoretically a completely orthogonal
feature to PASID and anything else that *uses* the newly-available bits,
some of the early hardware has problems even when all we do is enable
them and use only the same bits that were in the old context tables.

For now, there's no motivation to support extended tables unless we're
going to use PASID support to do SVM. So just don't use them unless
PASID support is advertised too. Also add a command-line bailout just in
case later chips also have issues.

The equivalent problem for PASID support has already been fixed with the
upcoming VT-d spec update and commit bd00c606a ("iommu/vt-d: Change
PASID support to bit 40 of Extended Capability Register"), because the
problematic platforms use the old definition of the PASID-capable bit,
which is now marked as reserved and meaningless.

So with this change, we'll magically start using ECS again only when we
see the new hardware advertising "hey, we have PASID support and we
actually tested it this time" on bit 40.

The VT-d hardware architect has promised that we are not going to have
any reason to support ECS *without* PASID any time soon, and he'll make
sure he checks with us before changing that.

In the future, if hypothetical new features also use new bits in the
context tables and can be seen on implementations *without* PASID support,
we might need to add their feature bits to the ecs_enabled() macro.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2015-06-12 11:31:25 +01:00
Linus Torvalds 40b985fbe9 ARM: SoC fixes for v4.1-rc
About 10 days worth of small bug fixes, and the (hopefully) final
 round fixes for from arm-soc land for the -rc cycle.  Nothing special
 to note, but here's a brief summary of fixes by SoC type:
 
 - OMAP: small set of misc. DT fixes; boot fix for THUMB2 kernel
 - mediatek: PMIC fixes; DT fix for model name
 - exynos: wakeup interupt fixes for 3250
 - mvebu: revert mbus patch which broke DMA masters
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Kevin Hilman:
 "About 10 days worth of small bug fixes, and the (hopefully) final
  round fixes for from arm-soc land for the -rc cycle.  Nothing special
  to note, but here's a brief summary of fixes by SoC type:

   - OMAP:
        small set of misc DT fixes; boot fix for THUMB2 kernel

   - mediatek:
        PMIC fixes; DT fix for model name

   - exynos:
        wakeup interupt fixes for 3250

   - mvebu:
        revert mbus patch which broke DMA masters

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: dts: am335x-boneblack: disable RTC-only sleep to avoid hardware damage
  ARM: dts: AM35xx: fix system control module clocks
  arm64: dts: mt8173-evb: fix model name
  ARM: exynos: Fix wake-up interrupts for Exynos3250
  ARM: dts: Fix n900 dts file to work around 4.1 touchscreen regression on n900
  ARM: dts: Fix dm816x to use right compatible flag for MUSB
  ARM: OMAP3: Fix booting with thumb2 kernel
  Revert "bus: mvebu-mbus: make sure SDRAM CS for DMA don't overlap the MBus bridge window"
  bus: mvebu-mbus: do not set WIN_CTRL_SYNCBARRIER on non io-coherent platforms.
  ARM: mvebu: armada-xp-linksys-mamba: Disable internal RTC
  soc: mediatek: Add compile dependency to pmic-wrapper
  soc: mediatek: PMIC wrap: Fix register state machine handling
  soc: mediatek: PMIC wrap: Fix clock rate handling
2015-06-08 13:21:58 -07:00
Kevin Hilman 0a68c6bc7c Omap fixes for the -rc cycle, including a fix for potential hardware
breakage on BeagleBones:
 
 - BeagleBones don't support RTC-only mode, it can cause hardware
   damage if system-power-controller is specified without
   ti,pmic-shutdown-controller
 
 - Fix a recent regression to am3517 SoCs caused by the recent clock
   move that was not noticed until now despite automated boot
   testing
 
 - Fix a regression for n900 touchscreen triggered by recent
   recent input changes
 
 - Fix compatible property for dm816x USB to avoid errors with
   USB Ethernet
 
 - Fix oops for omap3 when built with CONFIG_THUMB2_KERNEL
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Merge tag 'omap-for-v4.1/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Merge omap fixes for v4.1, urgent fix to avoid potential hardware damage From Tony Lindgren:

Omap fixes for the -rc cycle, including a fix for potential hardware
breakage on BeagleBones:

- BeagleBones don't support RTC-only mode, it can cause hardware
  damage if system-power-controller is specified without
  ti,pmic-shutdown-controller

- Fix a recent regression to am3517 SoCs caused by the recent clock
  move that was not noticed until now despite automated boot
  testing

- Fix a regression for n900 touchscreen triggered by recent
  recent input changes

- Fix compatible property for dm816x USB to avoid errors with
  USB Ethernet

- Fix oops for omap3 when built with CONFIG_THUMB2_KERNEL

* tag 'omap-for-v4.1/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: am335x-boneblack: disable RTC-only sleep to avoid hardware damage
  ARM: dts: AM35xx: fix system control module clocks
  ARM: dts: Fix n900 dts file to work around 4.1 touchscreen regression on n900
  ARM: dts: Fix dm816x to use right compatible flag for MUSB
  ARM: OMAP3: Fix booting with thumb2 kernel
2015-06-08 10:32:55 -07:00
Linus Torvalds e900f2c097 USB and PHY driver fixes for 4.1-rc7
Here are some USB and PHY driver fixes that resolve some reported
 regressions.  Also in here are some new device ids.  All of the details
 are in the shortlog and these patches have been in linux-next with no
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB and PHY driver fixes from Greg KH:
 "Here are some USB and PHY driver fixes that resolve some reported
  regressions.  Also in here are some new device ids.

  All of the details are in the shortlog and these patches have been in
  linux-next with no problems"

* tag 'usb-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (22 commits)
  USB: cp210x: add ID for HubZ dual ZigBee and Z-Wave dongle
  usb: renesas_usbhs: Don't disable the pipe if Control write status stage
  usb: renesas_usbhs: Fix fifo unclear in usbhsf_prepare_pop
  usb: gadget: f_fs: fix check in read operation
  usb: musb: fix order of conditions for assigning end point operations
  usb: gadget: f_uac1: check return code from config_ep_by_speed
  usb: gadget: ffs: fix: Always call ffs_closed() in ffs_data_clear()
  usb: gadget: g_ffs: Fix counting of missing_functions
  usb: s3c2410_udc: correct reversed pullup logic
  usb: dwc3: gadget: Fix incorrect DEPCMD and DGCMD status macros
  usb: phy: tahvo: Pass the IRQF_ONESHOT flag
  usb: phy: ab8500-usb: Pass the IRQF_ONESHOT flag
  usb: renesas_usbhs: Revise the binding document about the dma-names
  usb: host: xhci: add mutex for non-thread-safe data
  usb: make module xhci_hcd removable
  USB: serial: ftdi_sio: Add support for a Motion Tracker Development Board
  usb: gadget: f_midi: fix segfault when reading empty id
  phy: phy-rcar-gen2: Fix USBHS_UGSTS_LOCK value
  phy: omap-usb2: invoke pm_runtime_disable on error path
  phy: fix Kconfig dependencies
  ...
2015-06-06 22:06:53 -07:00
Linus Torvalds dae8f283bf Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger:
 "These are mostly minor fixes, with the exception of the following that
  address fall-out from recent v4.1-rc1 changes:

   - regression fix related to the big fabric API registration changes
     and configfs_depend_item() usage, that required cherry-picking one
     of HCH's patches from for-next to address the issue for v4.1 code.

   - remaining TCM-USER -v2 related changes to enforce full CDB
     passthrough from Andy + Ilias.

  Also included is a target_core_pscsi driver fix from Andy that
  addresses a long standing issue with a Scsi_Host reference being
  leaked on PSCSI device shutdown"

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  iser-target: Fix error path in isert_create_pi_ctx()
  target: Use a PASSTHROUGH flag instead of transport_types
  target: Move passthrough CDB parsing into a common function
  target/user: Only support full command pass-through
  target/user: Update example code for new ABI requirements
  target/pscsi: Don't leak scsi_host if hba is VIRTUAL_HOST
  target: Fix se_tpg_tfo->tf_subsys regression + remove tf_subsystem
  target: Drop signal_pending checks after interruptible lock acquire
  target: Add missing parentheses
  target: Fix bidi command handling
  target/user: Disallow full passthrough (pass_level=0)
  ISCSI: fix minor memory leak
2015-05-31 11:31:42 -07:00
Linus Torvalds 30a5f11896 Some late hwmon patches, all headed for -stable
- Fix sysfs attribute initialization in nct6775 and nct6683 drivers
 - Do not attempt to auto-detect tmp435 on I2C address 0x37
 - Ensure iio channel is of type IIO_VOLTAGE in ntc_thermistor driver
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Merge tag 'hwmon-for-linus-v4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "Some late hwmon patches, all headed for -stable

   - fix sysfs attribute initialization in nct6775 and nct6683 drivers

   - do not attempt to auto-detect tmp435 on I2C address 0x37

   - ensure iio channel is of type IIO_VOLTAGE in ntc_thermistor driver"

* tag 'hwmon-for-linus-v4.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (nct6683) Add missing sysfs attribute initialization
  hwmon: (nct6775) Add missing sysfs attribute initialization
  hwmon: (tmp401) Do not auto-detect chip on I2C address 0x37
  hwmon: (ntc_thermistor) Ensure iio channel is of type IIO_VOLTAGE
2015-05-31 11:24:49 -07:00
Andy Grover 9c1cd1b68c target/user: Only support full command pass-through
After much discussion, give up on only passing a subset of SCSI commands
to userspace and pass them all. Based on what pscsi is doing, make sure
to set SCF_SCSI_DATA_CDB for I/O ops, and define attributes identical to
pscsi.

Make hw_block_size configurable via dev param.

Remove mention of command filtering from tcmu-design.txt.

Signed-off-by: Andy Grover <agrover@redhat.com>
Reviewed-by: Ilias Tsitsimpis <iliastsi@arrikto.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 19:57:48 -07:00
Andy Grover cf87edc602 target/user: Update example code for new ABI requirements
We now require that the userspace handler set a bit if the command is not
handled.

Update calls to tcmu_hdr_get_op for v2.

Signed-off-by: Andy Grover <agrover@redhat.com>
Reviewed-by: Ilias Tsitsimpis <iliastsi@arrikto.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-30 19:57:33 -07:00
Guenter Roeck 9aecac04d8 hwmon: (tmp401) Do not auto-detect chip on I2C address 0x37
I2C address 0x37 may be used by EEPROMs, which can result in false
positives. Do not attempt to detect a chip at this address.

Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: stable@vger.kernel.org # v4.0+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2015-05-29 13:37:06 -07:00
Pavel Machek 8770d0898a ARM: dts: Fix n900 dts file to work around 4.1 touchscreen regression on n900
Fix dts to match what the Linux kernel expects. This works around
touchscreen problems in 4.1 linux on Nokia n900.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-29 13:19:02 -07:00
Linus Torvalds 7ffb9e116f Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "This tree includes:

   - a fix that disables the compacted FPU XSAVE format by disabling
     XSAVES support: the fixes are too complex and the breakages
     ABI-affecting, so we want this to be quirked off in a robust way
     and backported, to make sure no broken kernel is exposed to the new
     hardware (which exposure is still very limited).

   - an MCE printk message fix

   - a documentation fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/fpu: Disable XSAVES* support for now
  x86/Documentation: Update the contact email for L3 cache index disable functionality
  x86/mce: Fix MCE severity messages
2015-05-27 11:00:50 -07:00
Greg Kroah-Hartman 13557b5d84 usb: fixes for v4.1-rc5
A few late important fixes which have been pending
 on mailing list due to my vacations.
 
 The important fixes are a fix for DEPCMD and DGCMD
 status bitfields on DWC3, a couple fixes for Renesas
 USB Controller, one of which prevents a broken DT
 binding from reaching v4.1-final, and an old fix for
 s3c2410-udc where pullup logic was reversed.
 
 Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'fixes-for-v4.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus

Felipe writes:

usb: fixes for v4.1-rc5

A few late important fixes which have been pending
on mailing list due to my vacations.

The important fixes are a fix for DEPCMD and DGCMD
status bitfields on DWC3, a couple fixes for Renesas
USB Controller, one of which prevents a broken DT
binding from reaching v4.1-final, and an old fix for
s3c2410-udc where pullup logic was reversed.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26 19:35:49 -07:00
Yoshihiro Shimoda 7cc99f1e9a usb: renesas_usbhs: Revise the binding document about the dma-names
Since the DT should describe the hardware (not the driver limitation),
This patch revises the binding document about the dma-names to change
simple numbering as "ch%d" instead of "tx<n>" and "rx<n>".

Also this patch fixes the actual code of renesas_usbhs driver to handle
the new dma-names.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-05-26 09:16:56 -05:00
Linus Torvalds 0b6280c620 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Don't leak ipvs->sysctl_tbl, from Tommi Rentala.

 2) Fix neighbour table entry leak in rocker driver, from Ying Xue.

 3) Do not emit bonding notifications for unregistered interfaces, from
    Nicolas Dichtel.

 4) Set ipv6 flow label properly when in TIME_WAIT state, from Florent
    Fourcot.

 5) Fix regression in ipv6 multicast filter test, from Henning Rogge.

 6) do_replace() in various footables netfilter modules is missing a
    check for 0 counters in the datastructure provided by the user.  Fix
    from Dave Jones, and found with trinity.

 7) Fix RCU bug in packet scheduler classifier module unloads, from
    Daniel Borkmann.

 8) Avoid deadlock in tcp_get_info() by using u64_sync.  From Eric
    Dumzaet.

 9) Input packet processing can race with inetdev_destroy() teardown,
    fix potential OOPS in ip_error() by explicitly testing whether the
    inetdev is still attached.  From Eric W Biederman.

10) MLDv2 parser in bridge multicast code breaks too early while
    parsing.  Fix from Thadeu Lima de Souza Cascardo.

11) Asking for settings on non-zero PHYID doesn't work because we do not
    import the command structure from the user and use the PHYID
    provided there.  Fix from Arun Parameswaran.

12) Fix UDP checksums with IPV6 RAW sockets, from Vlad Yasevich.

13) Missing NF_TABLES depends for TPROXY etc can cause build failures,
    fix from Florian Westphal.

14) Fix netfilter conntrack to handle RFC5961 challenge ACKs properly,
    from Jesper Dangaard Brouer.

15) If netlink autobind retry fails, we have to reset the sockets portid
    back to zero.  From Herbert Xu.

16) VXLAN netns exit code unregisters using wrong device, from John W
    Linville.

17) Add some USB device IDs to ath3k and btusb bluetooth drivers, from
    Dmitry Tunin and Wen-chien Jesse Sung.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits)
  bridge: fix lockdep splat
  net: core: 'ethtool' issue with querying phy settings
  bridge: fix parsing of MLDv2 reports
  ARM: zynq: DT: Use the zynq binding with macb
  net: macb: Disable half duplex gigabit on Zynq
  net: macb: Document zynq gem dt binding
  ipv4: fill in table id when replacing a route
  cdc_ncm: Fix tx_bytes statistics
  ipv4: Avoid crashing in ip_error
  tcp: fix a potential deadlock in tcp_get_info()
  net: sched: fix call_rcu() race on classifier module unloads
  net: phy: Make sure phy_start() always re-enables the phy interrupts
  ipv6: fix ECMP route replacement
  ipv6: do not delete previously existing ECMP routes if add fails
  Revert "netfilter: bridge: query conntrack about skb dnat"
  netfilter: ensure number of counters is >0 in do_replace()
  netfilter: nfnetlink_{log,queue}: Register pernet in first place
  tcp: don't over-send F-RTO probes
  tcp: only undo on partial ACKs in CA_Loss
  net/ipv6/udp: Fix ipv6 multicast socket filter regression
  ...
2015-05-22 15:44:50 -07:00
Nathan Sullivan 6db99596d1 net: macb: Document zynq gem dt binding
Signed-off-by: Nathan Sullivan <nathan.sullivan@ni.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-22 14:58:09 -04:00
Linus Torvalds f0d8690ad4 This pull request includes a fix for two oopses, one on PPC
and on x86.  The rest is fixes for bugs with newer Intel
 processors.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Paolo Bonzini:
 "This includes a fix for two oopses, one on PPC and on x86.

  The rest is fixes for bugs with newer Intel processors"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  kvm/fpu: Enable eager restore kvm FPU for MPX
  Revert "KVM: x86: drop fpu_activate hook"
  kvm: fix crash in kvm_vcpu_reload_apic_access_page
  KVM: MMU: fix SMAP virtualization
  KVM: MMU: fix CR4.SMEP=1, CR0.WP=0 with shadow pages
  KVM: MMU: fix smap permission check
  KVM: PPC: Book3S HV: Fix list traversal in error case
2015-05-21 20:15:16 -07:00
Linus Torvalds 3d854120e9 The first set of clk fixes for 4.1 are all driver bugs, with the
exception of a single locking fix in the core code. All driver fixes are
 for code that was merged recently. The Samsung stuff is mostly fixes
 around suspend/resume, the Qualcomm fixes are for invalid hardware
 configuration data and the Silicon Labs patches are fixes following
 their move away from platform_data to Device Tree.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Michael Turquette:
 "The first set of clk fixes for 4.1 are all driver bugs, with the
  exception of a single locking fix in the core code.

  All driver fixes are for code that was merged recently.  The Samsung
  stuff is mostly fixes around suspend/resume, the Qualcomm fixes are
  for invalid hardware configuration data and the Silicon Labs patches
  are fixes following their move away from platform_data to Device Tree"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: si5351: Do not pass struct clk in platform_data
  clk: si5351: Mention clock-names in the binding documentation
  clk: add missing lock when call clk_core_enable in clk_set_parent
  clk: exynos5420: Restore GATE_BUS_TOP on suspend
  clk: qcom: Fix MSM8916 gfx3d_clk_src configuration
  clk: qcom: Fix MSM8916 venus divider value
  clk: exynos5433: Fix wrong PMS value of exynos5433_pll_rates
  clk: exynos5433: Fix wrong parent clock of sclk_apollo clock
  clk: exynos5433: Fix CLK_PCLK_MONOTONIC_CNT clk register assignment
  clk: exynos5433: Fix wrong offset of PCLK_MSCL_SECURE_SMMU_JPEG
  clk: Use CONFIG_ARCH_EXYNOS instead of CONFIG_ARCH_EXYNOS5433
2015-05-21 16:57:50 -07:00
Linus Torvalds 7cf7d424c3 Two MTD fixes for 4.1:
* readtest: the signal-handling code was clobbering the error codes we should
    be handling/reporting in this test, rendering it useless. Noticed by Coverity.
 
  * the common SPI NOR flash DT binding (merged for 4.1-rc1) is being revised,
    so let's change that before 4.1 is minted.
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Merge tag 'for-linus-20150516' of git://git.infradead.org/linux-mtd

Pull MTD fixes from Brian Norris:
 "Two MTD fixes for 4.1:

   - readtest: the signal-handling code was clobbering the error codes
     we should be handling/reporting in this test, rendering it useless.
     Noticed by Coverity.

   - the common SPI NOR flash DT binding (merged for 4.1-rc1) is being
     revised, so let's change that before 4.1 is minted"

* tag 'for-linus-20150516' of git://git.infradead.org/linux-mtd:
  Documentation: dt: mtd: replace "nor-jedec" binding with "jedec, spi-nor"
  mtd: readtest: don't clobber error reports
2015-05-18 10:01:54 -07:00
Aravind Gopalakrishnan ea8e080b60 x86/Documentation: Update the contact email for L3 cache index disable functionality
The mailing list discuss@x86-64.org is now defunct.
Use the lkml in its place.

Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Greg KH <greg@kroah.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-api@vger.kernel.org
Cc: sboyd@codeaurora.org
Cc: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1431125098-9470-1-git-send-email-Aravind.Gopalakrishnan@amd.com
Link: http://lkml.kernel.org/r/1431936437-25286-2-git-send-email-bp@alien8.de
[ Changed the contact email to lkml. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-05-18 10:34:24 +02:00
Linus Torvalds dd8edd7e97 TTY/Serial fixes for 4.1-rc4
Here's some TTY and serial driver fixes for reported issues.  All of
 these have been in linux-next successfully.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here's some TTY and serial driver fixes for reported issues.

  All of these have been in linux-next successfully"

* tag 'tty-4.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  pty: Fix input race when closing
  tty/n_gsm.c: fix a memory leak when gsmtty is removed
  Revert "serial/amba-pl011: Leave the TX IRQ alone when the UART is not open"
  serial: omap: Fix error handling in probe
  earlycon: Revert log warnings
2015-05-16 21:10:05 -07:00
Brian Norris 8947e396a8 Documentation: dt: mtd: replace "nor-jedec" binding with "jedec, spi-nor"
In commit 8ff16cf77c ("Documentation: devicetree: m25p80: add "nor-jedec"
binding"), we added a generic "nor-jedec" binding to catch all
mostly-compatible SPI NOR flash which can be detected via the READ ID
opcode (0x9F). This was discussed and reviewed at the time, however
objections have come up since then as part of this discussion:

  http://lkml.kernel.org/g/20150511224646.GJ32500@ld-irv-0074

It seems the parties involved agree that "jedec,spi-nor" does a better
job of capturing the fact that this is SPI-specific, not just any NOR
flash.

This binding was only merged for v4.1-rc1, so it's still OK to change
the naming.

At the same time, let's move the documentation to a better name.

Next up: stop referring to code (drivers/mtd/devices/m25p80.c) from the
documentation.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Rafał Miłecki <zajec5@gmail.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Mark Rutland <mark.rutland@arm.com>
2015-05-15 13:04:00 -07:00
Dominik Brodowski ef69449b1c ACPI: fix kernel-parameters ordering in Documentation
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-05-14 22:18:31 +02:00
Xiao Guangrong 0be0226f07 KVM: MMU: fix SMAP virtualization
KVM may turn a user page to a kernel page when kernel writes a readonly
user page if CR0.WP = 1. This shadow page entry will be reused after
SMAP is enabled so that kernel is allowed to access this user page

Fix it by setting SMAP && !CR0.WP into shadow page's role and reset mmu
once CR4.SMAP is updated

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2015-05-11 17:17:50 +02:00
Peter Hurley 1a48632ffe pty: Fix input race when closing
A read() from a pty master may mistakenly indicate EOF (errno == -EIO)
after the pty slave has closed, even though input data remains to be read.
For example,

       pty slave       |        input worker        |    pty master
                       |                            |
                       |                            |   n_tty_read()
pty_write()            |                            |     input avail? no
  add data             |                            |     sleep
  schedule worker  --->|                            |     .
                       |---> flush_to_ldisc()       |     .
pty_close()            |       fill read buffer     |     .
  wait for worker      |       wakeup reader    --->|     .
                       |       read buffer full?    |---> input avail ? yes
                       |<---   yes - exit worker    |     copy 4096 bytes to user
  TTY_OTHER_CLOSED <---|                            |<--- kick worker
                       |                            |

		                **** New read() before worker starts ****

                       |                            |   n_tty_read()
                       |                            |     input avail? no
                       |                            |     TTY_OTHER_CLOSED? yes
                       |                            |     return -EIO

Several conditions are required to trigger this race:
1. the ldisc read buffer must become full so the input worker exits
2. the read() count parameter must be >= 4096 so the ldisc read buffer
   is empty
3. the subsequent read() occurs before the kicked worker has processed
   more input

However, the underlying cause of the race is that data is pipelined, while
tty state is not; ie., data already written by the pty slave end is not
yet visible to the pty master end, but state changes by the pty slave end
are visible to the pty master end immediately.

Pipeline the TTY_OTHER_CLOSED state through input worker to the reader.
1. Introduce TTY_OTHER_DONE which is set by the input worker when
   TTY_OTHER_CLOSED is set and either the input buffers are flushed or
   input processing has completed. Readers/polls are woken when
   TTY_OTHER_DONE is set.
2. Reader/poll checks TTY_OTHER_DONE instead of TTY_OTHER_CLOSED.
3. A new input worker is started from pty_close() after setting
   TTY_OTHER_CLOSED, which ensures the TTY_OTHER_DONE state will be
   set if the last input worker is already finished (or just about to
   exit).

Remove tty_flush_to_ldisc(); no in-tree callers.

Fixes: 52bce7f8d4 ("pty, n_tty: Simplify input processing on final close")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=96311
BugLink: http://bugs.launchpad.net/bugs/1429756
Cc: <stable@vger.kernel.org> # 3.19+
Reported-by: Andy Whitcroft <apw@canonical.com>
Reported-by: H.J. Lu <hjl.tools@gmail.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-10 19:26:37 +02:00
Linus Torvalds 8f59ae0643 ARM: SoC fixes for 4.1-rc2
A few patches have come up since the merge window. The largest one is a
 rewrite of the PXA lubbock/mainstone IRQ handling. This was already
 broken in 2011 by a change to the GPIO code and only noticed now.
 
 The other changes contained here are:
 
 MAINTAINERS file updates:
 - Ray Jui and Scott Branden are now co-maintainers for some of the
   mach-bcm chips, while Christian Daudt and Marc Carino have stepped
   down.
 - Andrew Victor is no longer maintaining at91. Instead, Alexandre
   Belloni now becomes an official maintainer, after having done a
   bulk of the work for a while.
 - Baruch Siach, who added the mach-digicolor platform in 4.1
   is now listed as maintainer
 - The git URL for mach-socfpga has changed
 
 Bug fixes:
 - Three bug fixes for new rockchip rk3288 code
 - A regression fix to make SD card support work on certain ux500
   boards
 - multiple smaller dts fixes for imx, omap, mvebu, and shmobile
 - a regression fiix for omap3 power consumption
 - a fix for regression in the ARM CCI bus driver
 
 Configuration changes:
 - more imx platforms are now enabled in multi_v7_defconfig
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "A few patches have come up since the merge window.  The largest one is
  a rewrite of the PXA lubbock/mainstone IRQ handling.  This was already
  broken in 2011 by a change to the GPIO code and only noticed now.

  The other changes contained here are:

  MAINTAINERS file updates:

   - Ray Jui and Scott Branden are now co-maintainers for some of the
     mach-bcm chips, while Christian Daudt and Marc Carino have stepped
     down.

   - Andrew Victor is no longer maintaining at91.  Instead, Alexandre
     Belloni now becomes an official maintainer, after having done a
     bulk of the work for a while.

   - Baruch Siach, who added the mach-digicolor platform in 4.1 is now
     listed as maintainer

   - The git URL for mach-socfpga has changed

  Bug fixes:

   - Three bug fixes for new rockchip rk3288 code

   - A regression fix to make SD card support work on certain ux500
     boards

   - multiple smaller dts fixes for imx, omap, mvebu, and shmobile

   - a regression fiix for omap3 power consumption

   - a fix for regression in the ARM CCI bus driver

  Configuration changes:

   - more imx platforms are now enabled in multi_v7_defconfig"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
  MAINTAINERS: add Conexant Digicolor machines entry
  MAINTAINERS: socfpga: update the git repo for SoCFPGA
  ARM: multi_v7_defconfig: Select more FSL SoCs
  MAINTAINERS: replace an AT91 maintainer
  drivers: CCI: fix used_mask init in validate_group()
  bus: omap_l3_noc: Fix master id address decoding for OMAP5
  bus: omap_l3_noc: Fix offset for DRA7 CLK1_HOST_CLK1_2 instance
  ARM: dts: dra7: Fix efuse register size for ABB
  ARM: dts: am57xx-beagle-x15: Switch GPIO fan number
  ARM: dts: am57xx-beagle-x15: Switch UART mux pins
  ARM: dts: am437x-sk: reduce col-scan-delay-us
  ARM: dts: am437x-sk: fix for new newhaven display module revision
  ARM: dts: am57xx-beagle-x15: Fix RTC aliases
  ARM: dts: am57xx-beagle-x15: Fix IRQ type for mcp7941x
  ARM: dts: omap3: Add #iommu-cells to isp and iva iommu
  ARM: omap2plus_defconfig: Enable EXTCON_USB_GPIO
  ARM: dts: OMAP3-N900: Add microphone bias voltages
  ARM: OMAP2+: Fix omap off idle power consumption creeping up
  MAINTAINERS: Update brcmstb entry
  MAINTAINERS: Remove Christian Daudt for mach-bcm
  ...
2015-05-09 16:13:38 -07:00
Sebastian Hesselbarth f94029d880 clk: si5351: Mention clock-names in the binding documentation
Since the introduction of clk-si5351 the way we should deal with DT provided
clocks has changed from indexed to named clock phandles. Amend the binding
documentation to reflect named clock phandles by clock-names property.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-05-08 11:22:29 -07:00
Linus Torvalds 3e0283a53f Power management and ACPI fixes for v4.1-rc3
- Fix for a PCI resources management regression introduced during
    the 4.0 cycle and related to the handling of ACPI resources'
    Producer/Consumer flags that turn out to be useless (Jiang Liu).
 
  - Fix for a MacBook regression related to the Smart Battery Subsystem
    (SBS) driver causing various problems (stalls on boot, failure to
    detect or report battery) to happen and introduced during the 3.18
    cycle (Chris Bainbridge).
 
  - Fix for an ACPI/PNP device enumeration regression introduced during
    the 3.16 cycle caused by failing to include two PNP device IDs into
    the list of IDs that PNP device objects need to be created for
    (Witold Szczeponik).
 
  - Fixes for two minor mistakes in the ACPI GPIO properties
    documentation (Antonio Ospite, Rafael J Wysocki).
 
 /
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Merge tag 'pm+acpi-4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael Wysocki:
 "These include three regression fixes (PCI resources management,
  ACPI/PNP device enumeration, ACPI SBS on MacBook) and two ACPI
  documentation fixes related to GPIO.

  Specifics:

   - Fix for a PCI resources management regression introduced during the
     4.0 cycle and related to the handling of ACPI resources'
     Producer/Consumer flags that turn out to be useless (Jiang Liu)

   - Fix for a MacBook regression related to the Smart Battery Subsystem
     (SBS) driver causing various problems (stalls on boot, failure to
     detect or report battery) to happen and introduced during the 3.18
     cycle (Chris Bainbridge)

   - Fix for an ACPI/PNP device enumeration regression introduced during
     the 3.16 cycle caused by failing to include two PNP device IDs into
     the list of IDs that PNP device objects need to be created for
     (Witold Szczeponik)

   - Fixes for two minor mistakes in the ACPI GPIO properties
     documentation (Antonio Ospite, Rafael J Wysocki)"

* tag 'pm+acpi-4.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / PNP: add two IDs to list for PNPACPI device enumeration
  ACPI / documentation: Fix ambiguity in the GPIO properties document
  ACPI / documentation: fix a sentence about GPIO resources
  ACPI / SBS: Add 5 us delay to fix SBS hangs on MacBook
  x86/PCI/ACPI: Make all resources except [io 0xcf8-0xcff] available on PCI bus
2015-05-07 15:58:00 -07:00
Rafael J. Wysocki 9a5d9315e4 Merge branches 'acpi-resources', 'acpi-battery', 'acpi-doc' and 'acpi-pnp'
* acpi-resources:
  x86/PCI/ACPI: Make all resources except [io 0xcf8-0xcff] available on PCI bus

* acpi-battery:
  ACPI / SBS: Add 5 us delay to fix SBS hangs on MacBook

* acpi-doc:
  ACPI / documentation: Fix ambiguity in the GPIO properties document
  ACPI / documentation: fix a sentence about GPIO resources

* acpi-pnp:
  ACPI / PNP: add two IDs to list for PNPACPI device enumeration
2015-05-07 21:24:34 +02:00
Arnd Bergmann 443318e0b7 Fixes for omaps, mostly a fix for power power consumption
creeping up during idle, and two l3-noc device fixes:
 
 - Fix power consumption creeping up with I2C4 staying on
 - Fix n900 microphone bias voltages
 - Fix dra7 l3-noc for host clock
 - Fix omap5 l3-noc id address decoding
 
 The rest are all just minor dts fixes:
 
 - Fix changed EXTCON_USB_GPIO_USB in defconfig
 - Fix missing isp and iva #iommu-cells property
 - Various beagle x15 dts fixes for pre-production changes
 - Fix am437x-sk display dts entries
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Merge tag 'omap-for-v4.1/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Merge "omap fixes against v4.1-rc1" from Tony Lindgren:

Fixes for omaps, mostly a fix for power power consumption
creeping up during idle, and two l3-noc device fixes:

- Fix power consumption creeping up with I2C4 staying on
- Fix n900 microphone bias voltages
- Fix dra7 l3-noc for host clock
- Fix omap5 l3-noc id address decoding

The rest are all just minor dts fixes:

- Fix changed EXTCON_USB_GPIO_USB in defconfig
- Fix missing isp and iva #iommu-cells property
- Various beagle x15 dts fixes for pre-production changes
- Fix am437x-sk display dts entries

* tag 'omap-for-v4.1/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  bus: omap_l3_noc: Fix master id address decoding for OMAP5
  bus: omap_l3_noc: Fix offset for DRA7 CLK1_HOST_CLK1_2 instance
  ARM: dts: dra7: Fix efuse register size for ABB
  ARM: dts: am57xx-beagle-x15: Switch GPIO fan number
  ARM: dts: am57xx-beagle-x15: Switch UART mux pins
  ARM: dts: am437x-sk: reduce col-scan-delay-us
  ARM: dts: am437x-sk: fix for new newhaven display module revision
  ARM: dts: am57xx-beagle-x15: Fix RTC aliases
  ARM: dts: am57xx-beagle-x15: Fix IRQ type for mcp7941x
  ARM: dts: omap3: Add #iommu-cells to isp and iva iommu
  ARM: omap2plus_defconfig: Enable EXTCON_USB_GPIO
  ARM: dts: OMAP3-N900: Add microphone bias voltages
  ARM: OMAP2+: Fix omap off idle power consumption creeping up
2015-05-07 18:25:38 +02:00
Arnd Bergmann c92b83a81a The i.MX fixes for 4.1:
- A couple of imx23-olinuxino device tree fixes regarding to LED GPIO
    polarity and USB dr_mode setting
  - One i.MX28 device tree fix on AUART4 TX-DMA interrupt name
  - Add missing pwm-cells to PWM4 for i.MX25 device tree
  - Fix imx6q-phytec device tree to get correct USB VBUS control
  - Drop invalid pinctrl-assert-gpios property from imx6qdl-sabreauto
    device tree, which was sneaked in from vendor device tree
  - One fix on Wolfram's broken email address
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Merge tag 'imx-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

Pull "The i.MX fixes for 4.1" from Shawn Guo:

 - A couple of imx23-olinuxino device tree fixes regarding to LED GPIO
   polarity and USB dr_mode setting
 - One i.MX28 device tree fix on AUART4 TX-DMA interrupt name
 - Add missing pwm-cells to PWM4 for i.MX25 device tree
 - Fix imx6q-phytec device tree to get correct USB VBUS control
 - Drop invalid pinctrl-assert-gpios property from imx6qdl-sabreauto
   device tree, which was sneaked in from vendor device tree
 - One fix on Wolfram's broken email address

* tag 'imx-fixes-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx6qdl-sabreauto: remove pinctrl-assert-gpios
  ARM: dts: imx28: Fix AUART4 TX-DMA interrupt name
  ARM: dts: imx25: Add #pwm-cells to pwm4
  ARM: dts: imx6: phyFLEX: USB VBUS control is active-high
  ARM: mach-imx: devices: platform-sdhci-esdhc-imx: fix broken email address
  ARM: dts: imx23-olinuxino: Fix dr_mode of usb0
  ARM: dts: imx23-olinuxino: Fix polarity of LED GPIO
2015-05-07 18:21:57 +02:00
Linus Torvalds 5198b44374 Lots of minor IPMI fixes, especially ones that have have come up since
the SSIF driver has been in the main kernel for a while.
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Merge tag 'for-linus-4.1-1' of git://git.code.sf.net/p/openipmi/linux-ipmi

Pull IPMI fixes from Corey Minyard:
 "Lots of minor IPMI fixes, especially ones that have have come up since
  the SSIF driver has been in the main kernel for a while"

* tag 'for-linus-4.1-1' of git://git.code.sf.net/p/openipmi/linux-ipmi:
  ipmi: Fix multi-part message handling
  ipmi: Add alert handling to SSIF
  ipmi: Fix a problem that messages are not issued in run_to_completion mode
  ipmi: Report an error if ACPI _IFT doesn't exist
  ipmi: Remove unused including <linux/version.h>
  ipmi: Don't report err in the SI driver for SSIF devices
  ipmi: Remove incorrect use of seq_has_overflowed
  ipmi:ssif: Ignore spaces when comparing I2C adapter names
  ipmi_ssif: Fix the logic on user-supplied addresses
2015-05-05 19:42:01 -07:00
Alexandre Belloni c71f1e05e6 Documentation: bindings: add abracon,abx80x
Document the bindings for abracon,abx80x and related compatibles.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Philippe De Muyter <phdm@macqel.be>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-05-05 17:10:10 -07:00
Joe Perches 01e76903f6 kasan: show gcc version requirements in Kconfig and Documentation
The documentation shows a need for gcc > 4.9.2, but it's really >=.  The
Kconfig entries don't show require versions so add them.  Correct a
latter/later typo too.  Also mention that gcc 5 required to catch out of
bounds accesses to global and stack variables.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-05-05 17:10:10 -07:00
Corey Minyard b0e9aaa99d ipmi:ssif: Ignore spaces when comparing I2C adapter names
Some of the adapters have spaces in their names, but that's really
hard to pass in as a module or kernel parameters.  So ignore the
spaces.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
2015-05-05 14:24:45 -05:00
Suman Anna e7309c2673 bus: omap_l3_noc: Fix master id address decoding for OMAP5
The L3 Error handling on OMAP5 for the most part is very similar
to that of OMAP4, and had leveraged common data structures and
register layout definitions so far. Upon closer inspection, there
are a few minor differences causing an incorrect decoding and
reporting of the master NIU upon an error:

  1. The L3_TARG_STDERRLOG_MSTADDR.STDERRLOG_MSTADDR occupies
     11 bits on OMAP5 as against 8 bits on OMAP4, with the master
     NIU connID encoded in the 6 MSBs of the STDERRLOG_MSTADDR
     field.
  2. The CLK3 FlagMux component has 1 input source on OMAP4 and 3
     input sources on OMAP5. The common DEBUGSS source is at a
     different input on each SoC.

Fix the above issues by using a OMAP5-specific compatible property
and using SoC-specific data where there are differences.

Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-05-04 10:21:01 -07:00
Rafael J. Wysocki a00212e219 ACPI / documentation: Fix ambiguity in the GPIO properties document
The first paragraph in Documentation/acpi/gpio-properties.txt is
ambiguous, so make it more clear.

Reported-by: Antonio Ospite <ao2@ao2.it>
Acked-by: Antonio Ospite <ao2@ao2.it>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-05-04 14:26:14 +02:00
Linus Torvalds 180d89f6ef powerpc fixes for 4.1 # 2
- Build fix for SMP=n in book3s_xics.c
 - Fix for Daniel's pci_controller_ops on powernv.
 - Revert the TM syscall abort patch for now.
 - CPU affinity fix from Nathan.
 - Two EEH fixes from Gavin.
 - Fix for CR corruption from Sam.
 - Selftest build fix.
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Merge tag 'powerpc-4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux

Pull powerpc fixes from Michael Ellerman:
 - build fix for SMP=n in book3s_xics.c
 - fix for Daniel's pci_controller_ops on powernv.
 - revert the TM syscall abort patch for now.
 - CPU affinity fix from Nathan.
 - two EEH fixes from Gavin.
 - fix for CR corruption from Sam.
 - selftest build fix.

* tag 'powerpc-4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
  powerpc/powernv: Restore non-volatile CRs after nap
  powerpc/eeh: Delay probing EEH device during hotplug
  powerpc/eeh: Fix race condition in pcibios_set_pcie_reset_state()
  powerpc/pseries: Correct cpu affinity for dlpar added cpus
  selftests/powerpc: Fix the pmu install rule
  Revert "powerpc/tm: Abort syscalls in active transactions"
  powerpc/powernv: Fix early pci_controller_ops loading.
  powerpc/kvm: Fix SMP=n build error in book3s_xics.c
2015-05-03 10:28:36 -07:00
Andy Grover 8ee83a747a target/user: Disallow full passthrough (pass_level=0)
TCMU requires more work to correctly handle both user handlers that want
all SCSI commands (pass_level=0) for a se_device, and also handlers that
just want I/O commands and let the others be emulated by the kernel
(pass_level=1). Only support the latter for now.

For full passthrough, we will need to support a second se_subsystem_api
template, due to configfs attributes being different between the two modes.
Thus pass_level is extraneous, and we can remove it.

The ABI break for TCMU v2 is already applied for this release, so it's
best to do this now to avoid another ABI break in the future.

Signed-off-by: Andy Grover <agrover@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2015-05-02 18:20:51 -07:00
Antonio Ospite 2375a212ca ACPI / documentation: fix a sentence about GPIO resources
The sentence "These resources are used be used to pass ..." contains
a suspicious repetition, likely the author meant "These resources can
be used to pass ...".

Simplify the wording.

Signed-off-by: Antonio Ospite <ao2@ao2.it>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-04-30 23:38:13 +02:00
David Howells 9c4249c8e0 modsign: change default key details
Change default key details to be more obviously unspecified.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-04-30 09:35:41 -07:00
Linus Torvalds dcca8de0aa USB fixes for 4.2-rc1
Here are a number of small USB fixes for 4.2-rc2.  They revert one
 problem patch, fix some minor things, and add some new quirks for
 "broken" devices.
 
 All have been in linux-next successfully.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are a number of small USB fixes for 4.2-rc2.  They revert one
  problem patch, fix some minor things, and add some new quirks for
  "broken" devices.

  All have been in linux-next successfully"

* tag 'usb-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  cdc-acm: prevent infinite loop when parsing CDC headers.
  Revert "usb: host: ehci-msm: Use devm_ioremap_resource instead of devm_ioremap"
  usb: chipidea: otg: remove mutex unlock and lock while stop and start role
  uas: Set max_sectors_240 quirk for ASM1053 devices
  uas: Add US_FL_MAX_SECTORS_240 flag
  uas: Allow uas_use_uas_driver to return usb-storage flags
2015-04-30 09:08:53 -07:00
Michael Ellerman 68fc378ce3 Revert "powerpc/tm: Abort syscalls in active transactions"
This reverts commit feba40362b.

Although the principle of this change is good, the implementation has a
few issues.

Firstly we can sometimes fail to abort a syscall because r12 may have
been clobbered by C code if we went down the virtual CPU accounting
path, or if syscall tracing was enabled.

Secondly we have decided that it is safer to abort the syscall even
earlier in the syscall entry path, so that we avoid the syscall tracing
path when we are transactional.

So that we have time to thoroughly test those changes we have decided to
revert this for this merge window and will merge the fixed version in
the next window.

NB. Rather than reverting the selftest we just drop tm-syscall from
TEST_PROGS so that it's not run by default.

Fixes: feba40362b ("powerpc/tm: Abort syscalls in active transactions")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2015-04-30 15:24:58 +10:00
Hans de Goede ee136af4a0 uas: Add US_FL_MAX_SECTORS_240 flag
The usb-storage driver sets max_sectors = 240 in its scsi-host template,
for uas we do not want to do that for all devices, but testing has shown
that some devices need it.

This commit adds a US_FL_MAX_SECTORS_240 flag for such devices, and
implements support for it in uas.c, while at it it also adds support
for US_FL_MAX_SECTORS_64 to uas.c.

Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-04-28 12:48:57 +02:00
Linus Torvalds 2decb2682f Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) mlx4 doesn't check fully for supported valid RSS hash function, fix
    from Amir Vadai

 2) Off by one in ibmveth_change_mtu(), from David Gibson

 3) Prevent altera chip from reporting false error interrupts in some
    circumstances, from Chee Nouk Phoon

 4) Get rid of that stupid endless loop trying to allocate a FIN packet
    in TCP, and in the process kill deadlocks.  From Eric Dumazet

 5) Fix get_rps_cpus() crash due to wrong invalid-cpu value, also from
    Eric Dumazet

 6) Fix two bugs in async rhashtable resizing, from Thomas Graf

 7) Fix topology server listener socket namespace bug in TIPC, from Ying
    Xue

 8) Add some missing HAS_DMA kconfig dependencies, from Geert
    Uytterhoeven

 9) bgmac driver intends to force re-polling but does so by returning
    the wrong value from it's ->poll() handler.  Fix from Rafał Miłecki

10) When the creater of an rhashtable configures a max size for it,
    don't bark in the logs and drop insertions when that is exceeded.
    Fix from Johannes Berg

11) Recover from out of order packets in ppp mppe properly, from Sylvain
    Rochet

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (41 commits)
  bnx2x: really disable TPA if 'disable_tpa' option is set
  net:treewide: Fix typo in drivers/net
  net/mlx4_en: Prevent setting invalid RSS hash function
  mdio-mux-gpio: use new gpiod_get_array and gpiod_put_array functions
  netfilter; Add some missing default cases to switch statements in nft_reject.
  ppp: mppe: discard late packet in stateless mode
  ppp: mppe: sanity error path rework
  net/bonding: Make DRV macros private
  net: rfs: fix crash in get_rps_cpus()
  altera tse: add support for fixed-links.
  pxa168: fix double deallocation of managed resources
  net: fix crash in build_skb()
  net: eth: altera: Resolve false errors from MSGDMA to TSE
  ehea: Fix memory hook reference counting crashes
  net/tg3: Release IRQs on permanent error
  net: mdio-gpio: support access that may sleep
  inet: fix possible panic in reqsk_queue_unlink()
  rhashtable: don't attempt to grow when at max_size
  bgmac: fix requests for extra polling calls from NAPI
  tcp: avoid looping in tcp_send_fin()
  ...
2015-04-27 14:05:19 -07:00