Граф коммитов

560910 Коммитов

Автор SHA1 Сообщение Дата
Dave Airlie 8ed59fd6d4 Merge branch 'drm-fixes-4.4' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Radeon and amdgpu fixes for 4.4.  A bit more the usual since I missed
last week.  Misc fixes all over the place.  The big changes are the
tiling configuration fixes for Fiji.

* 'drm-fixes-4.4' of git://people.freedesktop.org/~agd5f/linux: (35 commits)
  drm/amdgpu: reserve/unreserve objects out of map/unmap operations
  drm/amdgpu: move bo_reserve out of amdgpu_vm_clear_bo
  drm/amdgpu: add lock for interval tree in vm
  drm/amdgpu: keep the owner for VMIDs
  drm/amdgpu: move VM manager clean into the VM code again
  drm/amdgpu: cleanup VM coding style
  drm/amdgpu: remove unused VM manager field
  drm/amdgpu: cleanup scheduler command submission
  drm/amdgpu: fix typo in firmware name
  drm/amdgpu: remove the unnecessary parameter adev for amdgpu_sa_bo_new()
  drm/amdgpu: wait interruptible when semaphores are disabled v2
  drm/amdgpu: update pd while updating vm as well
  drm/amdgpu: fix handling order in scheduler CS
  drm/amdgpu: fix incorrect mutex usage v3
  drm/amdgpu: cleanup scheduler fence get/put dance
  drm/amdgpu: add command submission workflow tracepoint
  drm/amdgpu: update Fiji's tiling mode table
  drm/amdgpu: fix bug that can't enter thermal interrupt for bonaire.
  drm/amdgpu: fix seq_printf format string
  drm/radeon: fix quirk for MSI R7 370 Armor 2X
  ...
2015-11-19 13:15:17 +10:00
Yigal Korman 0df9d41ab5 mm, dax: fix DAX deadlocks (COW fault)
DAX handling of COW faults has wrong locking sequence:
	dax_fault does i_mmap_lock_read
	do_cow_fault does i_mmap_unlock_write

Ross's commit[1] missed a fix[2] that Kirill added to Matthew's
commit[3].

Original COW locking logic was introduced by Matthew here[4].

This should be applied to v4.3 as well.

[1] 0f90cc6609 mm, dax: fix DAX deadlocks
[2] 52a2b53ffd mm, dax: use i_mmap_unlock_write() in do_cow_fault()
[3] 843172978b dax: fix race between simultaneous faults
[4] 2e4cdab058 mm: allow page fault handlers to perform the COW

Cc: <stable@vger.kernel.org>
Cc: Boaz Harrosh <boaz@plexistor.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Jan Kara <jack@suse.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Matthew Wilcox <matthew.r.wilcox@intel.com>
Acked-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Yigal Korman <yigal@plexistor.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2015-11-18 16:54:36 -08:00
Rafael J. Wysocki 3bf7f56e70 Revert "Documentation: kernel_parameters for Intel P state driver"
Revert commit 053f56def5 (Documentation: kernel_parameters for Intel P
state driver) as the code documented by it has been reverted already.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-11-19 00:42:23 +01:00
Arnd Bergmann 2d4ee30367 cpufreq: mediatek: fix build error
The recently added mt8173 cpufreq driver relies on the cpu topology
that is always present on ARM64 but optional on ARM32:

drivers/cpufreq/mt8173-cpufreq.c: In function 'mtk_cpufreq_init':
drivers/cpufreq/mt8173-cpufreq.c:441:30: error: 'cpu_topology' undeclared (first use in this function)
  cpumask_copy(policy->cpus, &cpu_topology[policy->cpu].core_sibling);

This refines the Kconfig dependencies so that we can still build on
ARM32, but only if COMPILE_TEST is selected and the CPU topology
code is present.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-11-19 00:21:47 +01:00
Philippe Longepe 1421df63c3 cpufreq: intel_pstate: Add separate support for Airmont cores
There are two flavors of Atom cores to be supported by intel_pstate,
Silvermont and Airmont, so make the driver distinguish between them by
adding separate frequency tables.

Separate the CPU defaults params for each of them and match the CPU IDs
against them as appropriate.

Signed-off-by: Philippe Longepe <philippe.longepe@linux.intel.com>
Signed-off-by: Stephane Gasparini <stephane.gasparini@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw: Subject and changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-11-19 00:21:46 +01:00
Philippe Longepe 938d21a2a6 cpufreq: intel_pstate: Replace BYT with ATOM
Rename symbol and function names starting with "BYT" or "byt" to
start with "ATOM" or "atom", respectively, so as to make it clear
that they may apply to Atom in general and not just to Baytrail
(the goal is to support several Atoms architectures eventually).

This should not lead to any functional changes.

Signed-off-by: Philippe Longepe <philippe.longepe@linux.intel.com>
Signed-off-by: Stephane Gasparini <stephane.gasparini@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw : Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-11-19 00:21:46 +01:00
Rafael J. Wysocki 6ee11e413c Revert "cpufreq: intel_pstate: Use ACPI perf configuration"
Revert commit 37afb00032 (cpufreq: intel_pstate: Use ACPI perf
configuration) that is reported to cause a regression to happen
on a system where invalid data are returned by the ACPI _PSS object.

Since that commit makes assumptions regarding the _PSS output
correctness that may turn out to be overly optimistic in general,
there is a concern that it may introduce regression on more
systems, so it's better to revert it now and we'll revisit the
underlying issue in the next cycle with a more robust solution.

Conflicts:
        drivers/cpufreq/intel_pstate.c

Fixes: 37afb00032 (cpufreq: intel_pstate: Use ACPI perf configuration)
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-11-19 00:20:42 +01:00
Rafael J. Wysocki 799281a3c4 Revert "cpufreq: intel_pstate: Avoid calculation for max/min"
Revert commit 4ef4514870 (cpufreq: intel_pstate: Avoid calculation for
max/min) as it depends on commit 37afb00032 (cpufreq: intel_pstate: Use
ACPI perf configuration) that causes problems to happen and needs to be
reverted.

Conflicts:
	drivers/cpufreq/intel_pstate.c

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-11-18 23:29:56 +01:00
Glen Lee b57f9f34e2 Revert "Staging: wilc1000: coreconfigurator: Drop unneeded wrapper functions"
The source and destination pointers are misplaced.
This will be like,
ether_addr_copy(data, bssid + ADDR2);
-> ether_addr_copy(bssid, data + ADDR2);
and also to use ether_addr_copy, it has to be proved that src/dst address are
properly aligned(2).

I revert this as author agree to drop this patch.

This reverts commit d4622f68db.

Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-11-18 13:22:44 -08:00
Kamal Dasu 1ddaa021b0 MAINTAINERS: brcmnand: Add co-maintainer for Broadcom SoCs
Adding myself as co-maintainer of nand controller driver
for the Broadcom SoCs.

Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-11-18 13:16:58 -08:00
Greg Kroah-Hartman 819db468b2 First set of IIO fixes for the 4.4 cycle.
This set does not include those for issues introduced during the merge
 window.  Fixes of those will follow in a future series.
 
 * ad5064
   - Make sure the local i2c_write returns 0 on success rather than the
     number of bytes transfered.  Otherwise we report an error on all writes.
   - Fix a shift for ad5629 and ad5669 which gives incorrect DAC output on
     these parts.
 * ad7793
   - The product ID on the datasheet is wrong.  Fix it in the driver.
 * IIO_DUMMY_EVGEN
   - select IRQ_WORK as a dependency.
 * lpc32xx
   - make sure clock is prepared before enabling.
 * si7020
   - data byte order was reversed. Fix it.
 * vf610
   - Internal temperature calculation was wrong if a different
     reference voltage was used.  Now use a linear interpolation
     function to make it work over the full range.
   - Fix a division by zero in the case of a device tree property
     not being present (same issue two fixes).
 * xilinx XADC
   - VREFN scale was wrong - fix it.
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Merge tag 'iio-fixes-for-4.4a' of ssh://ra.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus

Jonathan writes:

First set of IIO fixes for the 4.4 cycle.

This set does not include those for issues introduced during the merge
window.  Fixes of those will follow in a future series.

* ad5064
  - Make sure the local i2c_write returns 0 on success rather than the
    number of bytes transfered.  Otherwise we report an error on all writes.
  - Fix a shift for ad5629 and ad5669 which gives incorrect DAC output on
    these parts.
* ad7793
  - The product ID on the datasheet is wrong.  Fix it in the driver.
* IIO_DUMMY_EVGEN
  - select IRQ_WORK as a dependency.
* lpc32xx
  - make sure clock is prepared before enabling.
* si7020
  - data byte order was reversed. Fix it.
* vf610
  - Internal temperature calculation was wrong if a different
    reference voltage was used.  Now use a linear interpolation
    function to make it work over the full range.
  - Fix a division by zero in the case of a device tree property
    not being present (same issue two fixes).
* xilinx XADC
  - VREFN scale was wrong - fix it.
2015-11-18 13:15:50 -08:00
Will Deacon c139aa60c1 arm64: barriers: fix smp_load_acquire to work with const arguments
A newly introduced function in include/net/sock.h passes a const
argument to smp_load_acquire:

  static inline int sk_state_load(const struct sock *sk)
  {
	return smp_load_acquire(&sk->sk_state);
  }

This cause an allmodconfig build failure, since our underlying
load-acquire implementation does not handle const types correctly:

  include/net/sock.h: In function 'sk_state_load':
  ./arch/arm64/include/asm/barrier.h:71:3: error: read-only variable '___p1' used as 'asm' output
     asm volatile ("ldarb %w0, %1"    \

This patch fixes the problem by reusing the trick in READ_ONCE that
loads via a non-const member of an anonymous union. This has the
advantage of allowing us to use smp_load_acquire on packed structures
(e.g. arch_spinlock_t) as well as primitive types.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Daney <david.daney@cavium.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: David Daney <david.daney@cavium.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-11-18 18:06:43 +00:00
Mathias Nyman dad67d5f3d xhci: Fix a race in usb2 LPM resume, blocking U3 for usb2 devices
Clear device initiated resume variables once device is fully up and running
in U0 state.

Resume needs to be signaled for 20ms for usb2 devices before they can be
moved to U0 state.

An interrupt is triggered if a device initiates resume. As we handle the
event in interrupt context we can not sleep for 20ms, so we instead set
a resume flag, a timestamp, and start the roothub polling.

The roothub code will later move the port to U0 when it finds a port in
resume state with the resume flag set, and timestamp passed by 20ms.

A host initiated resume is however not done in interrupt context, and
host initiated resume code will directly signal resume, wait 20ms and then
move the port to U0.

These two codepaths can race, if we are in the middle of a host initated
resume, while sleeping for 20ms, we may handle a port event and find the
port in resume state. The port event handling code will assume the resume
was device initiated and set the resume flag and timestamp.

Root hub code will however not catch the port in resume state again as the
host initated resume code has already moved the port to U0.
The resume flag and timestamp will remain set for this port preventing port
from suspending again  (LPM setting port to U3)

Fix this for now by always clearing the device initated resume parameters
once port is in U0

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-11-18 09:24:41 -08:00
Lu Baolu 42df7215fa usb: xhci: fix checking ep busy for CFC
Function ep_ring_is_processing() checks the dequeue pointer
in endpoint context to know whether an endpoint is busy with
processing TRBs. This is not correct since dequeue pointer
field in an endpoint context is only valid when the endpoint
is in Halted or Stopped states. This buggy code causes audio
noise when playing sound with USB headset connected to host
controllers which support CFC (one of xhci 1.1 features).

This patch should exist in stable kernel since v4.3.

Reported-and-tested-by: YD Tseng <yd_tseng@asmedia.com.tw>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Cc: stable <stable@vger.kernel.org> # v4.3
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-11-18 09:24:41 -08:00
Rajmohan Mani a596439619 xhci: Workaround to get Intel xHCI reset working more reliably
Existing Intel xHCI controllers require a delay of 1 mS,
after setting the CMD_RESET bit in command register, before
accessing any HC registers. This allows the HC to complete
the reset operation and be ready for HC register access.
Without this delay, the subsequent HC register access,
may result in a system hang, very rarely.

Verified CherryView / Braswell platforms go through over
5000 warm reboot cycles (which was not possible without
this patch), without any xHCI reset hang.

Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Tested-by: Joe Lawrence <joe.lawrence@stratus.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-11-18 09:24:41 -08:00
Greg Kroah-Hartman 53de980796 USB Chipidea Fixes for v4.4-rc2
The first four fixes was for v4.3-rc7, but it is too late
 at that time, and other two small fixes are for possible NULL
 pointer issue.
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Merge tag 'usb-ci-v4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb into usb-linus

Peter writes:

USB Chipidea Fixes for v4.4-rc2

The first four fixes was for v4.3-rc7, but it is too late
at that time, and other two small fixes are for possible NULL
pointer issue.
2015-11-18 09:21:17 -08:00
Linus Torvalds 34258a32d9 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
 "Assorted bug fixes, the mlock2 system call gets added, and one
  improvement.  The boot from dasd devices is now possible from a wider
  range of devices"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390: remove SALIPL loader
  s390: wire up mlock2 system call
  s390: remove g5 elf platform support
  s390: avoid cache aliasing under z/VM and KVM
  s390/sclp: _sclp_wait_int(): retain full PSW mask
  s390/zcrypt: Fix initialisation when zcrypt is built-in
  s390/zcrypt: Fix kernel crash on systems without AP bus support
  s390: add support for ipl devices in subchannel sets > 0
  s390/ipl: fix out of bounds access in scpdata_write
  s390/pci_dma: improve debugging of errors during dma map
  s390/pci_dma: handle dma table failures
  s390/pci_dma: unify label of invalid translation table entries
  s390/syscalls: remove system call number calculation
  s390/cio: simplify css_generate_pgid
  s390/diag: add a s390 prefix to the diagnose trace point
  s390/head: fix error message on unsupported hardware
2015-11-18 08:59:29 -08:00
Linus Torvalds 0d77a123ff hwmon fixes for v4.4-rc2
Fix build issues in scpi and ina2xx drivers, update scpi driver to
 support recent firmware, and fix an uninitialized variable warning
 in applesmc driver.
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Merge tag 'hwmon-for-linus-v4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:
 "Fix build issues in scpi and ina2xx drivers, update scpi driver to
  support recent firmware, and fix an uninitialized variable warning in
  applesmc driver"

* tag 'hwmon-for-linus-v4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (scpi) skip unsupported sensors properly
  hwmon: (scpi) add thermal-of dependency
  hwmon : (applesmc) Fix uninitialized variables warnings
  hwmon: (ina2xx) Fix build issue by selecting REGMAP_I2C
2015-11-18 08:43:29 -08:00
Chunming Zhou 49b02b180a drm/amdgpu: reserve/unreserve objects out of map/unmap operations
Change-Id: Id6514f2fb6e002437fdbe99353d5d35f4ac736c7
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2015-11-18 11:41:20 -05:00
Chunming Zhou ef9f0a83d6 drm/amdgpu: move bo_reserve out of amdgpu_vm_clear_bo
Change-Id: Ifbb0c06680494bfa04d0be5e5941d31ae2e5ef28
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2015-11-18 11:41:02 -05:00
Chunming Zhou c25867dfab drm/amdgpu: add lock for interval tree in vm
Change-Id: I62b892a22af37b32e6b4aefca80a25cf45426ed2
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
2015-11-18 11:40:55 -05:00
Christian König 1c16c0a7b2 drm/amdgpu: keep the owner for VMIDs
We don't need the last VM use any more, keep the owner directly.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <davdi1.zhou@amd.com>
2015-11-18 11:40:37 -05:00
Christian König ea89f8c9e8 drm/amdgpu: move VM manager clean into the VM code again
It's not a good idea to duplicate that code.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <davdi1.zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-11-18 11:40:27 -05:00
Christian König 8b4fb00b5d drm/amdgpu: cleanup VM coding style
Fix the indentation and move the VM functions to the structures.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <davdi1.zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2015-11-18 11:40:00 -05:00
Christian König eeed25ab83 drm/amdgpu: remove unused VM manager field
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <davdi1.zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
2015-11-18 11:39:34 -05:00
Christian König 984810fc45 drm/amdgpu: cleanup scheduler command submission
Unify the two code path again, cause they do pretty much the same thing.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <davdi1.zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
2015-11-18 11:39:12 -05:00
Christian König 2269a39579 drm/amdgpu: fix typo in firmware name
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
2015-11-18 09:33:29 -05:00
Maarten Lankhorst 00490c22b1 drm/i915: Consider SPLL as another shared pll, v2.
When diagnosing a unrelated bug for someone on irc, it would seem the hardware can
be brought up by the BIOS with the embedded displayport using the SPLL for spread spectrum.

Right now this is not handled well in i915, and it calculates the crtc needs to
be reprogrammed on the first modeset without SSC, but  the SPLL itself was kept
active. Fix this by exposing SPLL as a shared pll that will not be returned
by intel_get_shared_dpll; you have to know it exists to use it.

Changes since v1:
- Create a separate dpll_hw_state.spll for spll, and use
  separate pll functions for spll.

Tested-by: Emil Renner Berthing <kernel@esmil.dk>
Tested-by: Gabriel Feceoru <gabriel.feceoru@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447681332-6318-1-git-send-email-maarten.lankhorst@linux.intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-11-18 15:08:31 +02:00
Laura Abbott 0b2aa5b80b arm64: Fix R/O permissions in mark_rodata_ro
The permissions in mark_rodata_ro trigger a build error
with STRICT_MM_TYPECHECKS. Fix this by introducing
PAGE_KERNEL_ROX for the same reasons as PAGE_KERNEL_RO.
From Ard:

"PAGE_KERNEL_EXEC has PTE_WRITE set as well, making the range
writeable under the ARMv8.1 DBM feature, that manages the
dirty bit in hardware (writing to a page with the PTE_RDONLY
and PTE_WRITE bits both set will clear the PTE_RDONLY bit in that case)"

Signed-off-by: Laura Abbott <labbott@fedoraproject.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-11-18 12:11:36 +00:00
Ard Biesheuvel 08c6781cfa arm64: crypto: reduce priority of core AES cipher
The asynchronous, merged implementations of AES in CBC, CTR and XTS
modes are preferred when available (i.e., when instantiating ablkciphers
explicitly). However, the synchronous core AES cipher combined with the
generic CBC mode implementation will produce a 'cbc(aes)' blkcipher that
is callable asynchronously as well. To prevent this implementation from
being used when the accelerated asynchronous implemenation is also
available, lower its priority to 250 (i.e., below the asynchronous
module's priority of 300).

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-11-18 12:09:08 +00:00
Ard Biesheuvel 65da0a8e34 arm64: use non-global mappings for UEFI runtime regions
As pointed out by Russell King in response to the proposed ARM version
of this code, the sequence to switch between the UEFI runtime mapping
and current's actual userland mapping (and vice versa) is potentially
unsafe, since it leaves a time window between the switch to the new
page tables and the TLB flush where speculative accesses may hit on
stale global TLB entries.

So instead, use non-global mappings, and perform the switch via the
ordinary ASID-aware context switch routines.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-11-18 09:40:20 +00:00
Mika Kuoppala 0f94592efd drm/i915: Fix gpu frequency change tracing
With gen < 9 we have had always 50Mhz units as our hw
ratio. With gen >= 9 the hw ratio changed to 16.667Mhz (50/3).
The result was that our gpu frequency tracing started to output
values 3 times larger than expected due to hardcoded scaling
value. Fix this by using  Use intel_gpu_freq() when generating Mhz
value from ratio for 'intel_gpu_freq_change' trace event.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92591
Cc: stable@vger.kernel.org # v4.3+
Reported-by: Eero Tamminen <eero.t.tamminen@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447776866-29384-1-git-send-email-mika.kuoppala@intel.com
2015-11-18 11:22:07 +02:00
LABBE Corentin 6f51bc340d usb: chipidea: imx: fix a possible NULL dereference
of_match_device could return NULL, and so cause a NULL pointer
dereference later.

Reported-by: coverity (CID 1324138)
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
2015-11-18 15:27:31 +08:00
LABBE Corentin 090bc267ea usb: chipidea: usbmisc_imx: fix a possible NULL dereference
of_match_device could return NULL, and so cause a NULL pointer
dereference later. Renaming tmp_dev to of_id (like all others do) in the
process.

Reported-by: coverity (CID 1324135)
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
2015-11-18 15:27:12 +08:00
Li Jun 85da852df6 usb: chipidea: otg: gadget module load and unload support
This patch is to support load and unload gadget driver in full OTG mode.

Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Tested-by: Jiada Wang <jiada_wang@mentor.com>
Cc: <stable@vger.kernel.org> #v4.0+
2015-11-18 14:07:54 +08:00
Li Jun 251b3c8b57 usb: chipidea: debug: disable usb irq while role switch
Since the ci->role will be set after the host role start is complete, there
will be nobody cared irq during start host if usb irq enabled. This error
can be reproduced on i.mx6 sololite EVK board by:
1. disable otg id irq(IDIE) and disable all real otg properties of usbotg1
   in dts.
2. boot up the board with ID cable and usb device connected.
3. echo gadget > /sys/kernel/debug/ci_hdrc.0/role
4. echo host > /sys/kernel/debug/ci_hdrc.0/role
5. irq 212: nobody cared.

Cc: <stable@vger.kernel.org> # v3.10+
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
2015-11-18 14:07:54 +08:00
Peter Chen facf47ee6b ARM: dts: imx27.dtsi: change the clock information for usb
For imx27, it needs three clocks to let the controller work,
the old code is wrong, and usbmisc has not included clock handling
code any more. Without this patch, it will cause below data
abort when accessing usbmisc registers.

usbcore: registered new interface driver usb-storage
Unhandled fault: external abort on non-linefetch (0x008) at 0xf4424600
pgd = c0004000
[f4424600] *pgd=10000452(bad)
Internal error: : 8 [#1] PREEMPT ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 4.1.0-next-20150701-dirty #3089
Hardware name: Freescale i.MX27 (Device Tree Support)
task: c7832b60 ti: c783e000 task.ti: c783e000
PC is at usbmisc_imx27_init+0x4c/0xbc
LR is at usbmisc_imx27_init+0x40/0xbc
pc : [<c03cb5c0>]    lr : [<c03cb5b4>]    psr: 60000093
sp : c783fe08  ip : 00000000  fp : 00000000
r10: c0576434  r9 : 0000009c  r8 : c7a773a0
r7 : 01000000  r6 : 60000013  r5 : c7a776f0  r4 : c7a773f0
r3 : f4424600  r2 : 00000000  r1 : 00000001  r0 : 00000001
Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
Control: 0005317f  Table: a0004000  DAC: 00000017
Process swapper (pid: 1, stack limit = 0xc783e190)
Stack: (0xc783fe08 to 0xc7840000)

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Reported-by: Fabio Estevam <fabio.estevam@freescale.com>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Cc: <stable@vger.kernel.org> #v4.1+
Acked-by: Shawn Guo <shawnguo@kernel.org>
2015-11-18 14:07:54 +08:00
Peter Chen ae3e57ae26 usb: chipidea: imx: refine clock operations to adapt for all platforms
Some i.mx platforms need three clocks to let controller work, but
others only need one, refine clock operation to adapt for all
platforms, it fixes a regression found at i.mx27.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Cc: <stable@vger.kernel.org> #v4.1+
2015-11-18 14:07:53 +08:00
Ingo Molnar e15bf88a44 perf/urgent fixes:
- Do not change the key of an object in a rbtree, this time it was
   the one for DSOs lookup by its long_name, and the noticed symptom was
   with 'perf buildid-list --with-hits' (Adrian Hunter)
 
 - 'perf inject' is a pipe, events it doesn't touch should be passed
   on, PERF_RECORD_LOST wasn't, fix it (Adrian Hunter)
 
 - Make 'perf buildid-list' request event ordering, as it needs to
   first get the mmap events to be able to mark wich DSOs had hits
   (Adrian Hunter)
 
 - Fix memory leaks on failure in 'perf probe' (Masami Hiramatsu, Wang Nan)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

  - Do not change the key of an object in a rbtree, this time it was
    the one for DSOs lookup by its long_name, and the noticed symptom was
    with 'perf buildid-list --with-hits' (Adrian Hunter)

  - 'perf inject' is a pipe, events it doesn't touch should be passed
    on, PERF_RECORD_LOST wasn't, fix it (Adrian Hunter)

  - Make 'perf buildid-list' request event ordering, as it needs to
    first get the mmap events to be able to mark wich DSOs had hits
    (Adrian Hunter)

  - Fix memory leaks on failure in 'perf probe' (Masami Hiramatsu, Wang Nan)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-11-18 06:56:48 +01:00
Mauro Carvalho Chehab 1ef0623371 kernel-doc: Make it compatible with Perl versions below 5.12 again
Changeset 4d73270192ec('scripts/kernel-doc: Replacing highlights
hash by an array') broke compatibility of the kernel-doc script with
older versions of perl by using "keys ARRAY" syntax with is available
only on Perl 5.12 or newer, according with:
	http://perldoc.perl.org/functions/keys.html

Restore backward compatibility by replacing "foreach my $k (keys ARRAY)"
by a C-like variant: "for (my $k = 0; $k < !ARRAY; $k++)"

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-17 17:20:14 -07:00
Greg Kroah-Hartman aa05cfa95f usb: fixes for v4.4-rc2
First round of fixes for this -rc cycle. We have the
 usual set of miscellaneous fixes. The important
 thing here is support for Intel Broxton SoC on dwc3,
 some fixes for Rockchip SoCs on dwc2 and a fix on
 dwc3 to let it report lower speeds than
 USB_SPEED_SUPER.
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Merge tag 'fixes-for-v4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus

Felipe writes:

usb: fixes for v4.4-rc2

First round of fixes for this -rc cycle. We have the
usual set of miscellaneous fixes. The important
thing here is support for Intel Broxton SoC on dwc3,
some fixes for Rockchip SoCs on dwc2 and a fix on
dwc3 to let it report lower speeds than
USB_SPEED_SUPER.
2015-11-17 14:48:24 -08:00
Linus Torvalds 7f151f1d8a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix list tests in netfilter ingress support, from Florian Westphal.

 2) Fix reversal of input and output interfaces in ingress hook
    invocation, from Pablo Neira Ayuso.

 3) We have a use after free in r8169, caught by Dave Jones, fixed by
    Francois Romieu.

 4) Splice use-after-free fix in AF_UNIX frmo Hannes Frederic Sowa.

 5) Three ipv6 route handling bug fixes from Martin KaFai Lau:
    a) Don't create clone routes not managed by the fib6 tree
    b) Don't forget to check expiration of DST_NOCACHE routes.
    c) Handle rt->dst.from == NULL properly.

 6) Several AF_PACKET fixes wrt transport header setting and SKB
    protocol setting, from Daniel Borkmann.

 7) Fix thunder driver crash on shutdown, from Pavel Fedin.

 8) Several Mellanox driver fixes (max MTU calculations, use of correct
    DMA unmap in TX path, etc.) from Saeed Mahameed, Tariq Toukan, Doron
    Tsur, Achiad Shochat, Eran Ben Elisha, and Noa Osherovich.

 9) Several mv88e6060 DSA driver fixes (wrong bit definitions for
    certain registers, etc.) from Neil Armstrong.

10) Make sure to disable preemption while updating per-cpu stats of ip
    tunnels, from Jason A.  Donenfeld.

11) Various ARM64 bpf JIT fixes, from Yang Shi.

12) Flush icache properly in ARM JITs, from Daniel Borkmann.

13) Fix masking of RX and TX interrupts in ravb driver, from Masaru
    Nagai.

14) Fix netdev feature propagation for devices not implementing
    ->ndo_set_features().  From Nikolay Aleksandrov.

15) Big endian fix in vmxnet3 driver, from Shrikrishna Khare.

16) RAW socket code increments incorrect SNMP counters, fix from Ben
    Cartwright-Cox.

17) IPv6 multicast SNMP counters are bumped twice, fix from Neil Horman.

18) Fix handling of VLAN headers on stacked devices when REORDER is
    disabled.  From Vlad Yasevich.

19) Fix SKB leaks and use-after-free in ipvlan and macvlan drivers, from
    Sabrina Dubroca.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (83 commits)
  MAINTAINERS: Update Mellanox's Eth NIC driver entries
  net/core: revert "net: fix __netdev_update_features return.." and add comment
  af_unix: take receive queue lock while appending new skb
  rtnetlink: fix frame size warning in rtnl_fill_ifinfo
  net: use skb_clone to avoid alloc_pages failure.
  packet: Use PAGE_ALIGNED macro
  packet: Don't check frames_per_block against negative values
  net: phy: Use interrupts when available in NOLINK state
  phy: marvell: Add support for 88E1540 PHY
  arm64: bpf: make BPF prologue and epilogue align with ARM64 AAPCS
  macvlan: fix leak in macvlan_handle_frame
  ipvlan: fix use after free of skb
  ipvlan: fix leak in ipvlan_rcv_frame
  vlan: Do not put vlan headers back on bridge and macvlan ports
  vlan: Fix untag operations of stacked vlans with REORDER_HEADER off
  via-velocity: unconditionally drop frames with bad l2 length
  ipg: Remove ipg driver
  dl2k: Add support for IP1000A-based cards
  snmp: Remove duplicate OUTMCAST stat increment
  net: thunder: Check for driver data in nicvf_remove()
  ...
2015-11-17 13:52:59 -08:00
Eric Anholt bf893acc16 drm/vc4: Make sure that planes aren't scaled.
We would scan out the memory around them if an upscale was attempted,
and would just scan out incorrectly for downscaling.

Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-17 12:27:03 -08:00
Eric Anholt 36f4f69a09 drm/vc4: Fix some failure to track __iomem decorations on pointers.
Caught by the kbuild test robot.

v2: Fix the +i I dropped in the first version.

Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-17 12:26:59 -08:00
Dan Carpenter 79513237da drm/vc4: checking for NULL instead of IS_ERR
vc4_plane_init() returns an ERR_PTR on error, it doesn't return NULL.
This was obviously intended because the next lines call
PTR_ERR(primary_plane) already.

Fixes: c8b75bca92 ('Eric Anholt <eric@anholt.net>')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-17 12:26:49 -08:00
Julia Lawall 2fa8e90433 drm/vc4: fix itnull.cocci warnings
Connector cannot be null because it is a list entry, ie accessed at an
offset from the positions of the list structure pointers themselves.

Generated by: scripts/coccinelle/iterators/itnull.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-17 12:26:45 -08:00
Julia Lawall e2ab3218f4 drm/vc4: fix platform_no_drv_owner.cocci warnings
drivers/gpu/drm/vc4/vc4_drv.c:248:3-8: No need to set .owner here. The core will do it.

 Remove .owner field if calls are used which set it automatically

Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-17 12:26:35 -08:00
kbuild test robot 91276ae2ea drm/vc4: vc4_plane_duplicate_state() can be static
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
2015-11-17 12:26:27 -08:00
Or Gerlitz e7523a497d MAINTAINERS: Update Mellanox's Eth NIC driver entries
Eugenia (Jenny) Emantayev is replacing Amir Vadai as the
mlx4 Ethernet driver maintainer.

Saeed Mahameed is assigned to maintain mlx5 Eth functionality.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-17 15:25:45 -05:00
Nikolay Aleksandrov 17b85d29e8 net/core: revert "net: fix __netdev_update_features return.." and add comment
This reverts commit 00ee592717 ("net: fix __netdev_update_features return
on ndo_set_features failure")
and adds a comment explaining why it's okay to return a value other than
0 upon error. Some drivers might actually change flags and return an
error so it's better to fire a spurious notification rather than miss
these.

CC: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-17 15:25:45 -05:00