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* device-properties:
device property: check fwnode type in to_of_node()
device property: attach 'else if' to the proper 'if'
device property: fallback to pset when gettng one string
device property: fix potential NULL pointer dereference
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* acpi-pci:
ACPI, PCI: Penalize legacy IRQ used by ACPI SCI
* acpi-soc:
ACPI / LPSS: Ignore 10ms delay for Braswell
* acpi-ec:
ACPI / EC: Fix an issue caused by the serialized _Qxx evaluations
* acpi-osl:
ACPI / osl: replace custom implementation of readq / writeq
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* acpi-pm:
ACPI / bus: Move duplicate code to a separate new function
mfd: Add support for Intel Sunrisepoint LPSS devices
dmaengine: add a driver for Intel integrated DMA 64-bit
mfd: make mfd_remove_devices() iterate in reverse order
driver core: implement device_for_each_child_reverse()
klist: implement klist_prev()
Driver core: wakeup the parent device before trying probe
ACPI / PM: Attach ACPI power domain only once
PM / QoS: Make it possible to expose device latency tolerance to userspace
ACPI / PM: Update the copyright notice and description of power.c
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* acpi-scan:
ACPI / bus: Move ACPI bus type registration
ACPI / scan: Move bus operations and notification routines to bus.c
ACPI / scan: Move device matching code to bus.c
ACPI / scan: Move sysfs-related device code to a separate file
* acpi-processor:
PCC: Disable compilation by default
ACPI: Decouple ACPI idle and ACPI processor drivers
ACPI: Split out ACPI PSS from ACPI Processor driver
PCC: Initialize PCC Mailbox earlier at boot
ACPI / processor: remove leftover __refdata annotations
* acpi-assorted:
ACPI: fix acpi_debugfs_init prototype
ACPI: Remove FSF mailing addresses
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* acpi-trace:
ACPI / Documentation: Update method tracing documentation.
ACPI / sysfs: Add support to allow leading "\" missing in trace_method_name.
ACPI / sysfs: Update method tracing facility.
ACPI / sysfs: Add ACPI_LV_REPAIR debug level.
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* acpica: (42 commits)
ACPICA: Update version to 20150818
ACPICA: Debugger: Cleanup debugging outputs to dump name path without trailing underscores
ACPICA: Disassembler: Cleanup acpi_gbl_db_opt_verbose acpiexec usage
ACPICA: Disassembler: Cleanup acpi_gbl_db_opt_disasm
ACPICA: Debugger: Split debugger initialization/termination APIs
ACPICA: Header support to improve compatibility with MSVC
ACPICA: Make the max-number-of-loops runtime configurable
ACPICA: Debugger: Add option to display namespace summary/counts
ACPICA: Add additional debug info/statements
ACPICA: Table handling: Cleanup and update debug output for tools
ACPICA: acpiexec/acpinames: Support very large number of ACPI tables
ACPICA: acpinames: Add new options and wildcard support
ACPICA: Headers: Fix some comments, no functional change
ACPICA: Tables: Cleanup to reduce FACS globals
ACPICA: Tables: Fix global table list issues by removing fixed table indexes
ACPICA: Update info messages during ACPICA init
ACPICA: Disassembler: Update for new listing mode
ACPICA: Update parameter validation for data_table_region and load_table
ACPICA: Disassembler: Remove duplicate code in _PLD processing.
ACPICA: Correctly cleanup after a ACPI table load failure
...
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Commit cf736ea6f902 ("thermal: power_allocator: do not use devm*
interfaces") forgot to change a devm_kcalloc() to just kcalloc(), but
it's corresponding devm_kfree() was changed to kfree(). Allocate with
kcalloc() to match the kfree().
Fixes: cf736ea6f902 ("thermal: power_allocator: do not use devm* interfaces")
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixlet from Tejun Heo:
"Simple blacklist entry addition"
* 'for-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
Add factory recertified Crucial M500s to blacklist
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Fix MSI/MSI-X on pseries from Guilherme"
* tag 'powerpc-4.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/PCI: Disable MSI/MSI-X interrupts at PCI probe time in OF case
PCI: Make pci_msi_setup_pci_dev() non-static for use by arch code
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Pull networking fixes from David Miller:
"Some straggler bug fixes here:
1) Netlink_sendmsg() doesn't check iterator type properly in mmap
case, from Ken-ichirou MATSUZAWA.
2) Don't sleep in atomic context in bcmgenet driver, from Florian
Fainelli.
3) The pfkey_broadcast() code patch can't actually ever use anything
other than GFP_ATOMIC. And the cases that right now pass
GFP_KERNEL or similar will currently trigger an RCU splat. Just
use GFP_ATOMIC unconditionally. From David Ahern.
4) Fix FD bit timings handling in pcan_usb driver, from Marc
Kleine-Budde.
5) Cache dst leaked in ip6_gre tunnel removal, fix from Huaibin Wang.
6) Traversal into drivers/net/ethernet/renesas should be triggered by
CONFIG_NET_VENDOR_RENESAS, not a particular driver's config
option. From Kazuya Mizuguchi.
7) Fix regression in handling of igmp_join errors in vxlan, from
Marcelo Ricardo Leitner.
8) Make phy_{read,write}_mmd_indirect() properly take the mdio_lock
mutex when programming the registers. From Russell King.
9) Fix non-forced handling in u32_destroy(), from WANG Cong.
10) Test the EVENT_NO_RUNTIME_PM flag before it is cleared in
usbnet_stop(), from Eugene Shatokhin.
11) In sfc driver, don't fetch statistics firmware isn't capable of,
from Bert Kenward.
12) Verify ASCONF address parameter location in SCTP, from Xin Long"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
sctp: donot reset the overall_error_count in SHUTDOWN_RECEIVE state
sctp: asconf's process should verify address parameter is in the beginning
sfc: only use vadaptor stats if firmware is capable
net: phy: fixed: propagate fixed link values to struct
usbnet: Get EVENT_NO_RUNTIME_PM bit before it is cleared
drivers: net: xgene: fix: Oops in linkwatch_fire_event
cls_u32: complete the check for non-forced case in u32_destroy()
net: fec: use reinit_completion() in mdio accessor functions
net: phy: add locking to phy_read_mmd_indirect()/phy_write_mmd_indirect()
vxlan: re-ignore EADDRINUSE from igmp_join
net: compile renesas directory if NET_VENDOR_RENESAS is configured
ip6_gre: release cached dst on tunnel removal
phylib: Make PHYs children of their MDIO bus, not the bus' parent.
can: pcan_usb: don't provide CAN FD bittimings by non-FD adapters
net: Fix RCU splat in af_key
net: bcmgenet: fix uncleaned dma flags
net: bcmgenet: Avoid sleeping in bcmgenet_timeout
netlink: mmap: fix tx type check
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull nvdimm fixlet from Dan Williams:
"This is a libnvdimm ABI fixup.
I pushed back on this change quite hard given the late date, that it
appears to be purely cosmetic, sysfs is not necessarily meant to be a
user friendly UI, and the kernel interprets the reversed polarity of
the ACPI_NFIT_MEM_ARMED flag correctly. When this flag is set, the
energy source of an NVDIMM is not armed and any new writes to the DIMM
may not be preserved.
However, Bob Moore warned me that it is important to get these things
named correctly wherever they appear otherwise we run the risk of a
less than cautious firmware engineer implementing the polarity the
wrong way. Once a mistake like that escapes into production platforms
the flag becomes useless and we need to move to a new bit position.
Bob has agreed to take a change through ACPICA to rename
ACPI_NFIT_MEM_ARMED to ACPI_NFIT_MEM_NOT_ARMED, and the patch below
from Toshi brings the sysfs representation of these flags in line with
their respective polarities.
Please pull for 4.2 as this is the first kernel to expose the ACPI
NFIT sysfs representation, and this is likely a kernel that firmware
developers will be using for checking out their NVDIMM enabling"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nfit: Clarify memory device state flags strings
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ACPI 6.0 NFIT Memory Device State Flags in Table 5-129 defines
NVDIMM status as follows. These bits indicate multiple info,
such as failures, pending event, and capability.
Bit [0] set to 1 to indicate that the previous SAVE to the
Memory Device failed.
Bit [1] set to 1 to indicate that the last RESTORE from the
Memory Device failed.
Bit [2] set to 1 to indicate that platform flush of data to
Memory Device failed. As a result, the restored data content
may be inconsistent even if SAVE and RESTORE do not indicate
failure.
Bit [3] set to 1 to indicate that the Memory Device is observed
to be not armed prior to OSPM hand off. A Memory Device is
considered armed if it is able to accept persistent writes.
Bit [4] set to 1 to indicate that the Memory Device observed
SMART and health events prior to OSPM handoff.
/sys/bus/nd/devices/nmemX/nfit/flags shows this flags info.
The output strings associated with the bits are "save", "restore",
"smart", etc., which can be confusing as they may be interpreted
as positive status, i.e. save succeeded.
Change also the dev_info() message in acpi_nfit_register_dimms()
to be consistent with the sysfs flags strings.
Reported-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Toshi Kani <toshi.kani@hp.com>
[ross: rename 'not_arm' to 'not_armed']
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
[djbw: defer adding bit5, HEALTH_ENABLED, for now]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Some of the stats handling code differs based on SR-IOV support,
and SRIOV support is only available if full-featured firmware is
used.
Do not use vadaptor stats if firmware mode is not set to
full-featured.
Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The fixed link values parsed from the device tree are stored in
the struct fixed_phy member status. The struct phy_device members
speed, duplex were not updated.
Signed-off-by: Madalin Bucur <madalin.bucur@freescale.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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LPSS devices in Braswell does not need the default 10ms
d3_delay imposed by PCI specification. Removing this
unnecessary delay significantly reduces the resume time
approximately upto 200ms on this platform.
Signed-off-by: Srinidhi Kasagar <srinidhi.kasagar@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Nick Meier reported a regression with HyperV that "
After rebooting the VM, the following messages are logged in syslog
when trying to load the tulip driver:
tulip: Linux Tulip drivers version 1.1.15 (Feb 27, 2007)
tulip: 0000:00:0a.0: PCI INT A: failed to register GSI
tulip: Cannot enable tulip board #0, aborting
tulip: probe of 0000:00:0a.0 failed with error -16
Errors occur in 3.19.0 kernel
Works in 3.17 kernel.
"
According to the ACPI dump file posted by Nick at
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1440072
The ACPI MADT table includes an interrupt source overridden entry for
ACPI SCI:
[236h 0566 1] Subtable Type : 02 <Interrupt Source Override>
[237h 0567 1] Length : 0A
[238h 0568 1] Bus : 00
[239h 0569 1] Source : 09
[23Ah 0570 4] Interrupt : 00000009
[23Eh 0574 2] Flags (decoded below) : 000D
Polarity : 1
Trigger Mode : 3
And in DSDT table, we have _PRT method to define PCI interrupts, which
eventually goes to:
Name (PRSA, ResourceTemplate ()
{
IRQ (Level, ActiveLow, Shared, )
{3,4,5,7,9,10,11,12,14,15}
})
Name (PRSB, ResourceTemplate ()
{
IRQ (Level, ActiveLow, Shared, )
{3,4,5,7,9,10,11,12,14,15}
})
Name (PRSC, ResourceTemplate ()
{
IRQ (Level, ActiveLow, Shared, )
{3,4,5,7,9,10,11,12,14,15}
})
Name (PRSD, ResourceTemplate ()
{
IRQ (Level, ActiveLow, Shared, )
{3,4,5,7,9,10,11,12,14,15}
})
According to the MADT and DSDT tables, IRQ 9 may be used for:
1) ACPI SCI in level, high mode
2) PCI legacy IRQ in level, low mode
So there's a conflict in polarity setting for IRQ 9.
Prior to commit cd68f6bd53cf ("x86, irq, acpi: Get rid of special
handling of GSI for ACPI SCI"), ACPI SCI is handled specially and
there's no check for conflicts between ACPI SCI and PCI legagy IRQ.
And it seems that the HyperV hypervisor doesn't make use of the
polarity configuration in IOAPIC entry, so it just works.
Commit cd68f6bd53cf gets rid of the specially handling of ACPI SCI,
and then the pin attribute checking code discloses the conflicts
between ACPI SCI and PCI legacy IRQ on HyperV virtual machine,
and rejects the request to assign IRQ9 to PCI devices.
So penalize legacy IRQ used by ACPI SCI and mark it unusable if ACPI
SCI attributes conflict with PCI IRQ attributes.
Please refer to following links for more information:
https://bugzilla.kernel.org/show_bug.cgi?id=101301
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1440072
Fixes: cd68f6bd53cf ("x86, irq, acpi: Get rid of special handling of GSI for ACPI SCI")
Reported-and-tested-by: Nick Meier <nmeier@microsoft.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: 3.19+ <stable@vger.kernel.org> # 3.19+
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull block fixes from Jens Axboe:
"Two fixes in this pull request:
- The writeback regression fix from Tejun, which has been weeks in
the making. This fixes a case where we would sometimes not issue
writeback when we should have.
- An older fix for a memory corruption issue in mtip32xx. It was
deferred since we wanted a better fix for this (driver should not
have to handle that case), but given the timing, it's better to put
the simple fix in for 4.2 release"
* 'for-linus' of git://git.kernel.dk/linux-block:
mtip32x: fix regression introduced by blk-mq per-hctx flush
writeback: sync_inodes_sb() must write out I_DIRTY_TIME inodes and always call wait_sb_inodes()
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The Crucial M500 is known to have issues with queued TRIM commands, the
factory recertified SSDs use a different model number naming convention
which causes them to get ignored by the blacklist.
The new naming convention boils down to: s/Crucial_/FC/
Signed-off-by: Guillermo A. Amaral <g@maral.me>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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Commit 1851617cd2da ("PCI/MSI: Disable MSI at enumeration even if kernel
doesn't support MSI") changed the location of the code that initialises
dev->msi_cap/msix_cap and then disables MSI/MSI-X interrupts at PCI
probe time in devices that have this flag set. It moved the code from
pci_msi_init_pci_dev() to a new function named pci_msi_setup_pci_dev(),
called by pci_setup_device().
The pseries PCI probing code does not call pci_setup_device(), so since
the aforementioned commit the function pci_msi_setup_pci_dev() is not
called and MSI/MSI-X interrupts are left enabled. Additionally because
dev->msi_cap/msix_cap are not initialised no driver can ever enable
MSI/MSI-X.
To fix this, the pseries PCI probe should manually call
pci_msi_setup_pci_dev(), so this patch makes it non-static.
Fixes: 1851617cd2da ("PCI/MSI: Disable MSI at enumeration even if kernel doesn't support MSI")
[mpe: Update change log to mention dev->msi_cap/msix_cap]
Signed-off-by: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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It is needed to check EVENT_NO_RUNTIME_PM bit of dev->flags in
usbnet_stop(), but its value should be read before it is cleared
when dev->flags is set to 0.
The problem was spotted and the fix was provided by
Oliver Neukum <oneukum@suse.de>.
Signed-off-by: Eugene Shatokhin <eugene.shatokhin@rosalab.ru>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull nvdimm fix from Dan Williams:
"A single fix for status register read size in the nd_blk driver.
The effect of getting the width of this register read wrong is that
all I/O fails when the read returns non-zero. Given the availability
of ACPI 6 NFIT enabled platforms, this could reasonably wait to come
in during the 4.3 merge window with a tag for 4.2-stable. Otherwise,
this makes the 4.2 kernel fully functional with devices that conform
to the mmio-block-apertures defined in the ACPI 6 NFIT (NVDIMM
Firmware Interface Table)"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nfit, nd_blk: BLK status register is only 32 bits
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PCC is made selectable only by clients which use it. e.g. CPPC
Default it to disabled so that it is not included accidentally on
platforms which dont use it.
Signed-off-by: Ashwin Chaugule <ashwin.chaugule@linaro.org>
Reviewed-by: Al Stone <al.stone@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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[ 1065.801569] Internal error: Oops: 96000006 [#1] SMP
...
[ 1065.866655] Hardware name: AppliedMicro Mustang/Mustang, BIOS 1.1.0 Apr 22 2015
[ 1065.873937] Workqueue: events_power_efficient phy_state_machine
[ 1065.879837] task: fffffe01de105e80 ti: fffffe00bcf18000 task.ti: fffffe00bcf18000
[ 1065.887288] PC is at linkwatch_fire_event+0xac/0xc0
[ 1065.892141] LR is at linkwatch_fire_event+0xa0/0xc0
[ 1065.896995] pc : [<fffffe000060284c>] lr : [<fffffe0000602840>] pstate: 200001c5
[ 1065.904356] sp : fffffe00bcf1bd00
...
[ 1066.196813] Call Trace:
[ 1066.199248] [<fffffe000060284c>] linkwatch_fire_event+0xac/0xc0
[ 1066.205140] [<fffffe000061167c>] netif_carrier_off+0x54/0x64
[ 1066.210773] [<fffffe00004f1654>] phy_state_machine+0x120/0x3bc
[ 1066.216578] [<fffffe00000d8d10>] process_one_work+0x15c/0x3a8
[ 1066.222296] [<fffffe00000d9090>] worker_thread+0x134/0x470
[ 1066.227757] [<fffffe00000df014>] kthread+0xe0/0xf8
[ 1066.232525] Code: 97f65ee9 f9420660 d538d082 8b000042 (885f7c40)
The fix is to call phy_disconnect() from xgene_enet_mdio_remove,
which in turn call cancel_delayed_work_sync().
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Obviously in the current place the 'else' keyword is redundant, though it seems
quite correct when we check if nval is in allowed range.
Reattach the condition branch there.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The one string as an equivalent to an array of one element. Allow user to read
one string as a plain string.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Only read 32 bits for the BLK status register in read_blk_stat().
The format and size of this register is defined in the
"NVDIMM Driver Writer's guide":
http://pmem.io/documents/NVDIMM_Driver_Writers_Guide.pdf
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Reported-by: Nicholas Moulin <nicholas.w.moulin@linux.intel.com>
Tested-by: Nicholas Moulin <nicholas.w.moulin@linux.intel.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Rather than re-initialising the entire completion on every mdio access,
use reinit_completion() which only resets the completion count. This
avoids possible reinitialisation of the contained spinlock and waitqueue
while they may be in use (eg, mid-completion.)
Such an event could occur if there's a long delay in interrupt handling
causing the mdio accessor to time out, then a second access comes in
while the interrupt handler on a different CPU has called complete().
Another scenario where this has been observed is while locking has
been missing at the phy layer, allowing concurrent attempts to access
the MDIO bus.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The phy layer is missing locking for the above two functions - it
has been observed that two threads (userspace and the phy worker
thread) can race, entering the bus ->write or ->read functions
simultaneously.
This causes the FEC driver to initialise a completion while another
thread is waiting on it or while the interrupt is calling complete()
on it, which causes spinlock unlock-without-lock, spinlock lockups,
and completion timeouts.
Fixes: a59a4d192 ("phy: add the EEE support and the way to access to the MMD registers.")
Fixes: 0c1d77dfb ("net: libphy: Add phy specific function to access mmd phy registers")
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before 56ef9c909b40[1] it used to ignore all errors from igmp_join().
That commit enhanced that and made it error out whatever error happened
with igmp_join(), but that's not good because when using multicast
groups vxlan will try to join it multiple times if the socket is reused
and then the 2nd and further attempts will fail with EADDRINUSE.
As we don't track to which groups the socket is already subscribed, it's
okay to just ignore that error.
Fixes: 56ef9c909b40 ("vxlan: Move socket initialization to within rtnl scope")
Reported-by: John Nielsen <lists@jnielsen.net>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
this is the updated pull request of one patch by me for the peak_usb
driver. It fixes the driver, so that non FD adapters don't provide CAN
FD bittimings.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the renesas ethernet driver directory is compiled if SH_ETH is
configured rather than NET_VENDOR_RENESAS. Although incorrect that was
quite harmless as until recently as SH_ETH configured the only driver in
the renesas directory. However, as of c156633f1353 ("Renesas Ethernet AVB
driver proper") the renesas directory includes another driver, configured
by RAVB, and it makes little sense for it to have a hidden dependency on
SH_ETH.
Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
[horms: rewrote changelog]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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trailing underscores
ACPICA commit 51a49c2fb4a73f302a6df2b8ddc1350dd261684d
It is better to use unified ASL path name to interact with the developers.
There are following acpi_ns_build_normalized_pathname() users invoking it for
debugging purposes (acpiexec test results are attached):
1. acpi_ut_display_init_pathname (acpi_ns_handle_to_pathname):
---------------------------------------------
Initializing Region \_SB.H_EC.ECF2
---------------------------------------------
2. acpi_ns_print_node_pathname (acpi_ns_handle_to_pathname):
---------------------------------------------
- ex \_SB.H_EC._STA
Evaluating \_SB.H_EC._STA
---------------------------------------------
3. acpi_ds_print_node_pathname (acpi_ns_handle_to_pathname):
---------------------------------------------
- level 211b console
- execute \M1
...
**** Exception AE_AML_UNINITIALIZED_ARG during execution of method [\M1] (Node 009CB6B8)
---------------------------------------------
4. acpi_ex_dump_reference_obj (acpi_ns_handle_to_pathname):
---------------------------------------------
- dump \_TZ.FAN4._PR0
...
[00] 00835E98 [Object Reference] Type [Named Object] 05 00828878 \_TZ.FN04
---------------------------------------------
5. acpi_db_bus_walk (acpi_ns_handle_to_pathname):
---------------------------------------------
- businfo
\_SB.PCI0 Type 6
...
---------------------------------------------
6. acpi_db_walk_and_match_name (acpi_ns_handle_to_pathname):
---------------------------------------------
- find _PR0
\_TZ.FAN4._PR0 Package 002D8DF8 01 Elements 01
---------------------------------------------
7. acpi_db_walk_for_specific_objects (acpi_ns_handle_to_pathname):
---------------------------------------------
- methods
...
\_SB.PCI0._PRT Method 0026D918 01 Args 0 Len 0005 Aml 0026B199
...
---------------------------------------------
8. acpi_db_decode_and_dispaly_object (acpi_get_name):
---------------------------------------------
- gpes
Block 0 - Info 003AC7B0 device_node 003A0E08 [\_GPE] - FADT-defined GPE block
...
---------------------------------------------
9. acpi_db_display_gpes (acpi_get_name):
---------------------------------------------
- dump \_GPE
Object (003A0E08) Pathname: \_GPE
---------------------------------------------
10.ae_miscellaneous_tests (acpi_get_name):
No output available
This patch cleans up all of the above usages. ACPICA BZ 1178, Lv Zheng.
Linux kernel's ACPICA debugging messages may also be changed.
Link: https://github.com/acpica/acpica/commit/51a49c2f
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 42d7ad7bfb1cfb95183c1386c77509f2036f521d
When acpi_gbl_db_opt_verbose is used in acpi_dm_descending_op() (invoked by
acpi_dm_disassemble()), it is actually exported by the disassembler but used
by the debugger to distinguish the output of the disassembler for different
debugger commands. It is by default TRUE but is set to FALSE for control
method disassembly command - "disassemble". So it's initialization should
be a part of the ACPI_DISASSEMBLER conditioned code. This patch uses
ACPI_INIT_GLOBAL to achieve a clean manner so that when ACPI_DISASSEMBLER
is not defined, ACPI_DEBUGGER conditioned code needn't link to this option.
Since it is a disassembler exported variable, it is renamed to
acpi_gbl_dm_opt_Verbose in this patch.
As VERBOSE_PRINT() macro has only one user, this patch also removes the
definition of this macro. Lv Zheng.
This patch doesn't affect Linux kernel.
Link: https://github.com/acpica/acpica/commit/42d7ad7b
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 969989cf7f85e2a2a0cd048cd25fc706246a48a2
This patch cleans up the following global variable - acpi_gbl_db_opt_disasm:
The setting is used to control the full disassembly feature for iasl. ACPI
debugger (acpiexec) shall have nothing to do with it. Actually, acpiexec
never links to ad_aml_disassemble().
This patch thus renames this global option to acpi_gbl_dm_opt_disasm and
removes all acpiexec and debugger references on it. Lv Zheng.
This patch doesn't affect Linux kernel.
Link: https://github.com/acpica/acpica/commit/969989cf
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 7a3f22baab000b186779dac64ad71d9776b8f432
It is likely that the debugger is enabled only when a userspace program
explicitly tells a kernel to do so, so it shouldn't be initialized as
early as current implementation.
The only tool requiring ACPI_DEBUGGER is acpiexec, so acpiexec need to call
the new APIs by itself. And BSD developers may also get notified to invoke
the APIs for DDB enabling. Lv Zheng.
This patch doesn't affect Linux kernel as debugger is currently not enabled
in the Linux kernel.
Link: https://github.com/acpica/acpica/commit/7a3f22ba
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit a9d9c2d0c2d077bb3175ec9c252cf0e5da3efd45
Was previously compile-time only.
Add support option for acpiexec.
Link: https://github.com/acpica/acpica/commit/a9d9c2d0
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit bba222c15c2ce79076eb3a5e9d4d5f7120db8a00
If "Objects" command is invoked with no arguments, the counts
for each object type are displayed.
Linux kernel is not affected by this commit as currently debugger is
not enabled in the Linux kernel.
Link: https://github.com/acpica/acpica/commit/bba222c1
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 74094ca9f51e2652a9b5f01722d8640a653cc75a
For _REG methods and module-level code blocks.
For acpiexec, add deletion of module-level blocks in case
of an early abort.
Link: https://github.com/acpica/acpica/commit/74094ca9
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 93862bd7a227543bc617d822ef5c4f8a5d68b519
Add output of table OEM ID along with signature to support lots
of SSDTs.
Cleanup use of table pointers.
Link: https://github.com/acpica/acpica/commit/93862bd7
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit ca3bd4c5cdc39a9009280032adbbc20f34e94c47
Fix a couple of issues with >40 ACPI tables.
Return exit error for acpinames to enable use with BIOS builds.
The new exported function is used by acpinames. For Linux kernel, this
change is a no-op.
Link: https://github.com/acpica/acpica/commit/ca3bd4c5
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 0ecf5b5a41c3d2e09af48f0fdbc9ae784f631788
- Add wilcard support for input filenames.
- Add -l option to load tables and exit, no display. This is
useful for validation of the namespace during BIOS generation.
- Add -x option for specifying debug level.
Linux kernel is not affected by this commit.
Link: https://github.com/acpica/acpica/commit/0ecf5b5a
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 3f42ba76e2a0453976d3108296d5f656fdf2bd6e
In this patch, FACS table mapping is also tuned a bit so that only the
selected FACS table will be mapped by the OSPM (mapped on demand) and the
FACS related global variables can be reduced. Lv Zheng.
Link: https://github.com/acpica/acpica/commit/3f42ba76
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit c0b38b4c3982c2336ee92a2a14716107248bd941
The fixed table indexes leave holes in the global table list:
1. One hole can be seen when there is only 1 FACS provided by the BIOS.
2. Tow holes can be seen when it is a reduced hardware platform.
The holes do not break OSPMs but have broken ACPI debugger "tables"
command.
Also the "fixed table indexes" mechanism may make the descriptors of the
standard tables installed earlier than DSDT to be overwritten by the
descriptors of the fixed tables. For example, FACP disappears from the
global table list after DSDT is installed.
This patch fixes all above issues by removing the "fixed table indexes"
mechanism which is too complicated to be maintained in a regression safe
manner. After removal, the table loader will determine the indexes of the
fixed tables. Lv Zheng.
Link: https://github.com/acpica/acpica/commit/c0b38b4c
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 4ccf8a1cc499ec8f00345f662a5887483980e1dd
Small cleanup of messages.
Link: https://github.com/acpica/acpica/commit/4ccf8a1c
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 2ed09bb7619d25f5a5c065c33a8a775a6db3a856
ACPICA commit 2fefacf73825b0ec96bbfc4f70a256735b715d6c
This mode emits AML code along with the ASL code.
A new global was needed to ensure the listing mode is
completely separate from the debugger verbose mode.
Emits the correct AML offset for the AML code.
The -l option now works for both the compiler and disassembler.
Linux kernel is not affected by this commit.
Link: https://github.com/acpica/acpica/commit/2fefacf7
Link: https://github.com/acpica/acpica/commit/2ed09bb7
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 51ab555e60b4a3de3cc4a846e86d0de255be441a
Add additional validation for the table signature and
the OEM strings. Eliminates buffer read overrun in data_table_region.
ACPICA BZ 1184.
Link: https://bugs.acpica.org/show_bug.cgi?id=1184
Link: https://github.com/acpica/acpica/commit/51ab555e
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit 6d9c827b540837b6e54059e17756a06985e4a196
ACPICA BZ 1176.
Link: https://bugs.acpica.org/show_bug.cgi?id=1176
Link: https://github.com/acpica/acpica/commit/6d9c827b
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPICA commit ed7769e832de6c7ba90615480d916c85fd100422
If a table load fails, delete all namespace objects created by the
table, otherwise these objects will be uninitialized, causing
problems later. This appears to be a very rare problem.
Also handle the unitialized node problem to prevent possible
faults. ACPICA BZ 1185.
Link: https://github.com/acpica/acpica/commit/ed7769e8
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Hi,
After commit f70ced091707 (blk-mq: support per-distpatch_queue flush
machinery), the mtip32xx driver may oops upon module load due to walking
off the end of an array in mtip_init_cmd. On initialization of the
flush_rq, init_request is called with request_index >= the maximum queue
depth the driver supports. For mtip32xx, this value is used to index
into an array. What this means is that the driver will walk off the end
of the array, and either oops or cause random memory corruption.
The problem is easily reproduced by doing modprobe/rmmod of the mtip32xx
driver in a loop. I can typically reproduce the problem in about 30
seconds.
Now, in the case of mtip32xx, it actually doesn't support flush/fua, so
I think we can simply return without doing anything. In addition, no
other mq-enabled driver does anything with the request_index passed into
init_request(), so no other driver is affected. However, I'm not really
sure what is expected of drivers. Ming, what did you envision drivers
would do when initializing the flush requests?
Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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commit 18ee49ddb0d2 ("phylib: rename mii_bus::dev to mii_bus::parent")
changed the parent of PHY devices from the bus to the bus parent.
Then, commit 4dea547fef1b ("phylib: rework to prepare for OF
registration of PHYs") moved the code into phy_device.c
At this point, it is somewhat unclear why the change was seen as
necessary. But, when we look at the device model tree in
/sys/devices, it is clearly incorrect. The PHYs should be children of
their MDIO bus.
Change the PHY's parent device to be the MDIO bus device.
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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