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Some OHCI controllers from ATI/AMD seem to have difficulty with
"global" USB suspend, that is, suspending an entire USB bus without
setting the suspend feature for each port connected to a device. When
we try to resume the child devices, the controller gives timeout
errors on the unsuspended ports, requiring resets, and can even cause
ohci-hcd to hang; see
http://marc.info/?l=linux-usb&m=139514332820398&w=2
and the following messages.
This patch fixes the problem by adding a new quirk flag to ohci-hcd.
The flag causes the ohci_rh_suspend() routine to suspend each
unsuspended, enabled port before suspending the root hub. This
effectively converts the "global" suspend to an ordinary root-hub
suspend. There is no need to unsuspend these ports when the root hub
is resumed, because the child devices will be resumed anyway in the
course of a normal system resume ("global" suspend is never used for
runtime PM).
This patch should be applied to all stable kernels which include
commit 0aa2832dd0d9 (USB: use "global suspend" for system sleep on
USB-2 buses) or a backported version thereof.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Peter Münster <pmlists@free.fr>
Tested-by: Peter Münster <pmlists@free.fr>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If we fail to create the master queue for some reason we should not attempt
to clean it up since attempting to stop a kthread that was not created will
hang and it's just generally bad practice. Unfortunately at present we call
spi_destroy_queue() even in cases where the creation fails.
Fix this by fixing the error handling in spi_master_initialize_queue() so
that we only flag the master as queued or destroy the queue if creation
succeeded. The change to the flag is done since the general master
cleanup uses this to destroy the queue.
Reported-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
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pm_runtime_get_sync() returns 1 if !CONFIG_PM_RUNTIME.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"This udpate delivers:
- A fix for dynamic interrupt allocation on x86 which is required to
exclude the GSI interrupts from the dynamic allocatable range.
This was detected with the newfangled tablet SoCs which have GPIOs
and therefor allocate a range of interrupts. The MSI allocations
already excluded the GSI range, so we never noticed before.
- The last missing set_irq_affinity() repair, which was delayed due
to testing issues
- A few bug fixes for the armada SoC interrupt controller
- A memory allocation fix for the TI crossbar interrupt controller
- A trivial kernel-doc warning fix"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: irq-crossbar: Not allocating enough memory
irqchip: armanda: Sanitize set_irq_affinity()
genirq: x86: Ensure that dynamic irq allocation does not conflict
linux/interrupt.h: fix new kernel-doc warnings
irqchip: armada-370-xp: Fix releasing of MSIs
irqchip: armada-370-xp: implement the ->check_device() msi_chip operation
irqchip: armada-370-xp: fix invalid cast of signed value into unsigned variable
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"This update brings along:
- Two fixes for long standing bugs in the hrtimer code, one which
prevents remote enqueuing and the other preventing arbitrary delays
after a interrupt hang was detected
- A fix in the timer wheel which prevents math overflow
- A fix for a long standing issue with the architected ARM timer
related to the C3STOP mechanism.
- A trivial compile fix for nspire SoC clocksource"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timer: Prevent overflow in apply_slack
hrtimer: Prevent remote enqueue of leftmost timers
hrtimer: Prevent all reprogramming if hang detected
clocksource: nspire: Fix compiler warning
clocksource: arch_arm_timer: Fix age-old arch timer C3STOP detection issue
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"A bunch of regression fixes this time. They fix two regressions in
the PNP subsystem, one in the ACPI processor driver and one in the
ACPI EC driver, four cpufreq driver regressions and an unrelated bug
in one of the drivers. The regressions are recent or introduced in
3.14.
Specifics:
- There are two bugs in the ACPI PNP core that cause errors to be
returned if optional ACPI methods are not present. After an ACPI
core change made in 3.14 one of those errors leads to serial port
suspend failures on some systems. Fix from Rafael J Wysocki.
- A recently added PNP quirk related to Intel chipsets intorduced a
build error in unusual configurations (PNP without PCI). Fix from
Bjorn Helgaas.
- An ACPI EC workaround related to system suspend on Samsung machines
added in 3.14 introduced a race causing some valid EC events to be
discarded. Fix from Kieran Clancy.
- The acpi-cpufreq driver fails to load on some systems after a 3.14
commit related to APIC ID parsing that overlooked one corner case.
Fix from Lan Tianyu.
- Fix for a recently introduced build problem in the ppc-corenet
cpufreq driver from Tim Gardner.
- A recent cpufreq core change to ensure serialization of frequency
transitions for drivers with a ->target_index() callback overlooked
the fact that some of those drivers had been doing operations
introduced by it into the core already by themselves. That
resulted in a mess in which the core and the drivers try to do the
same thing and block each other which leads to deadlocks. Fixes
for the powernow-k7, powernow-k6, and longhaul cpufreq drivers from
Srivatsa S Bhat.
- Fix for a computational error in the powernow-k6 cpufreq driver
from Srivatsa S Bhat"
* tag 'pm+acpi-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / processor: Fix failure of loading acpi-cpufreq driver
PNP / ACPI: Do not return errors if _DIS or _SRS are not present
PNP: Fix compile error in quirks.c
ACPI / EC: Process rather than discard events in acpi_ec_clear
cpufreq: ppc-corenet-cpufreq: Fix __udivdi3 modpost error
cpufreq: powernow-k7: Fix double invocation of cpufreq_freq_transition_begin/end
cpufreq: powernow-k6: Fix double invocation of cpufreq_freq_transition_begin/end
cpufreq: powernow-k6: Fix incorrect comparison with max_multipler
cpufreq: longhaul: Fix double invocation of cpufreq_freq_transition_begin/end
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Pull driver core deferred probe fix from Grant Likely:
"Drivercore race condition fix (exposed by devicetree)
This branch fixes a bug where a device can get stuck in the deferred
list even though all its dependencies are met. The bug has existed
for a long time, but new platform conversions to device tree have
exposed it. This patch is needed to get those platforms working.
This was the pending bug fix I mentioned in my previous pull request.
Normally this would go through Greg's tree seeing that it is a
drivercore change, but devicetree exposes the problem. I've discussed
with Greg and he okayed me asking you to pull directly"
* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux:
drivercore: deferral race condition fix
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* acpi-ec:
ACPI / EC: Process rather than discard events in acpi_ec_clear
* acpi-processor:
ACPI / processor: Fix failure of loading acpi-cpufreq driver
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* pnp:
PNP / ACPI: Do not return errors if _DIS or _SRS are not present
PNP: Fix compile error in quirks.c
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"A few dm-thinp fixes for changes merged in 3.15-rc1.
A dm-verity fix for an immutable biovec regression that affects 3.14+.
A dm-cache fix to properly quiesce when using writethrough mode (3.14+)"
* tag 'dm-3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm cache: fix writethrough mode quiescing in cache_map
dm thin: use INIT_WORK_ONSTACK in noflush_work to avoid ODEBUG warning
dm verity: fix biovecs hash calculation regression
dm thin: fix rcu_read_lock being held in code that can sleep
dm thin: irqsave must always be used with the pool->lock spinlock
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The following commit:
commit 9ec36cafe43bf835f8f29273597a5b0cbc8267ef
Author: Rob Herring <robh@kernel.org>
Date: Wed Apr 23 17:57:41 2014 -0500
of/irq: do irq resolution in platform_get_irq
changed platform_get_irq() which now returns EINVAL and EPROBE_DEFER,
in addition to ENXIO. If there's no interrupt for mvmdio, platform_get_irq()
returns EINVAL, but we currently check only for ENXIO.
Fix this by looking for a positive integer, which is the proper way of
validating a virtual interrupt number.
While at it, add a proper handling for the deferral probe case.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Reviewed-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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phy_state_machine should check whether auto-negotiatin is completed
before changing phydev->state from PHY_NOLINK to PHY_RUNNING. If
auto-negotiation is not completed phydev->state should be set to
PHY_AN.
Signed-off-by: Balakumaran Kannan <kumaran.4353@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If NO_DMA=y:
drivers/built-in.o: In function `spi_map_buf':
spi.c:(.text+0x21bc60): undefined reference to `dma_map_sg'
drivers/built-in.o: In function `spi_unmap_buf.isra.33':
spi.c:(.text+0x21c32e): undefined reference to `dma_unmap_sg'
make[3]: *** [vmlinux] Error 1
Protect the DMA code by #ifdef CONFIG_HAS_DMA to fix this:
- Extract __spi_map_msg() from spi_map_msg(),
- Provide dummy definitions of __spi_map_msg() and spi_unmap_msg() if
!CONFIG_HAS_DMA.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"Two bug fixes, one to fix a potential information leak in the BPF jit
and common-io-layer fix for old firmware levels"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/bpf,jit: initialize A register if 1st insn is BPF_S_LDX_B_MSH
s390/chsc: fix SEI usage on old FW levels
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When initially looking at traces, missed the fact the binary driver was
using large pages.
Fixes page faults when launching geometry shaders.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Fixes a regression introduced by 060810d7abaabca "drm/nouveau: fix locking
issues in page flipping paths". chan->cli->mutex is unlocked a second time
in the fail_unreserve path, fix this by moving mutex_unlock down.
Cc: stable@vger.kernel.org # v3.11+
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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There appear to be a crop of new hardware where the vbios is not
available from PROM/PRAMIN, but there is a valid _ROM method in ACPI.
The data read from PCIROM almost invariably contains invalid
instructions (still has the x86 opcodes), which makes this a low-risk
way to try to obtain a valid vbios image.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76475
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: <stable@vger.kernel.org> # v2.6.35+
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband/rdma fixes from Roland Dreier:
"cxgb4 hardware driver fixes"
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
RDMA/cxgb4: Update Kconfig to include Chelsio T5 adapter
RDMA/cxgb4: Only allow kernel db ringing for T4 devs
RDMA/cxgb4: Force T5 connections to use TAHOE congestion control
RDMA/cxgb4: Fix endpoint mutex deadlocks
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.15-rc4
Small pull request this time containing only 3 patches.
One patch is fixing at91 resource retrieval, one fixes a
conditional in the generic OTG FSM and another fixes a
state transition also on our generic OTG FSM.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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Commit 2ee57d58735 ("dm cache: add passthrough mode") inadvertently
removed the deferred set reference that was taken in cache_map()'s
writethrough mode support. Restore taking this reference.
This issue was found with code inspection.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
Cc: stable@vger.kernel.org # 3.13+
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Here is a small set of pin control fixes for the v3.15 series. All
are individual driver fixes and quite self-contained. One of them
tagged for stable.
- Signedness bug in the TB10x
- GPIO inversion fix for the AS3722
- Clear pending pin interrups enabled in the bootloader in the
pinctrl-single driver
- Minor pin definition fixes for the PFC/Renesas driver"
* tag 'pinctrl-v3.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
sh-pfc: r8a7791: Fix definition of MOD_SEL3
sh-pfc: r8a7790: Fix definition of IPSR5
pinctrl: single: Clear pin interrupts enabled by bootloader
pinctrl: as3722: fix handling of GPIO invert bit
pinctrl/TB10x: Fix signedness bug
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fix from Guenter Roeck:
"Fix Tjmax detection in coretemp driver"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
Revert "hwmon: (coretemp) Refine TjMax detection"
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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This fixes CVE-2014-1739.
Signed-off-by: Salva Peiró <speiro@ai2.upv.es>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This reverts commit 9fb6c9c73b11bef65ba80a362547fd116c1e1c9d.
Tjmax on some Intel CPUs is below 85 degrees C. One known example is
L5630 with Tjmax of 71 degrees C. There are other Xeon processors with
Tjmax of 70 or 80 degrees C. Also, the Intel IA32 System Programming
document states that the temperature target is in bits 23:16 of MSR 0x1a2
(MSR_TEMPERATURE_TARGET), which is 8 bits, not 7.
So even if turbostat uses similar checks to validate Tjmax, there is no
evidence that the checks are actually required. On the contrary, the
checks are known to cause problems and therefore need to be removed.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=75071.
Fixes: 9fb6c9c hwmon: (coretemp) Refine TjMax detection
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: stable@vger.kernel.org # 3.14+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Check to make sure the transaction succeeded before
using the register value. Fixes occasional link training
problems.
Noticed-by: Sergei Antonov <saproj@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
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Signed-off-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
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Testing the update pending bit directly after issuing an
update is nonsense cause depending on the pixel clock the
CRTC needs a bit of time to execute the flip even when we
are in the VBLANK period.
This is just a non invasive patch to solve the problem at
hand, a more complete and cleaner solution should follow
in the next merge window.
Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=76564
v2: fix source IDs for CRTC2-6
Signed-off-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
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Some RV7xx generation hardware crashes after you
raise the UVD clocks for the first time. Try to
avoid this by using the lower clocks to boot these.
Workaround for: https://bugzilla.kernel.org/show_bug.cgi?id=71891
v2: lower clocks on IB test as well
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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According commit d640113fe (ACPI: processor: fix acpi_get_cpuid for UP
processor), BIOS may not provide _MAT or MADT tables and acpi_get_apicid()
always returns -1. For these cases, original code will pass apic_id with
vaule of -1 to acpi_map_cpuid() and it will check the acpi_id. If acpi_id
is equal to zero, ignores apic_id and return zero for CPU0.
Commit b981513 (ACPI / scan: bail out early if failed to parse APIC
ID for CPU) changed the behavior. Return ENODEV when find apic_id is
less than zero after calling acpi_get_apicid(). This causes acpi-cpufreq
driver fails to be loaded on some machines. This patch is to fix it.
Fixes: b981513f806d (ACPI / scan: bail out early if failed to parse APIC ID for CPU)
References: https://bugzilla.kernel.org/show_bug.cgi?id=73781
Cc: 3.14+ <stable@vger.kernel.org> # 3.14+
Reported-and-tested-by: KATO Hiroshi <katoh@mikage.ne.jp>
Reported-and-tested-by: Stuart Foster <smf.linux@ntlworld.com>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Sub page write doesn't work because of hw issue in controller found on
Keystone SOCs. AEMIF controller is also used on DaVinci SOCs which
don't seems to have any issue. So add "ti,keysone-nand" compatible
to nand driver in order to set NAND_NO_SUBPAGE_WRITE option.
Cc: Warner Losh <imp@bsdimp.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
Second set of fixes for IIO in the 3.15 cycle.
* ad2s1200 - Fix some missing parenthesis in a for statement that could have
led to an error being missed when getting gpios.
* Fix a null derefference issue in the mpu6050 when platform data is not
provided (or is provided via the device tree for example).
* exynos_adc bug on remove due to child devices having been added to the
parent of the IIO device rather than the IIO device itself. This caused an
issue with the IIO device removing itself in it's remove function.
* Make all ADC drivers buildable as modules to avoid dependency issues if
the IIO core is itself built as a module. The exynos adc bug became
apparently whilst this fix was being tested.
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The ACPI PNP subsystem returns errors from pnpacpi_set_resources()
and pnpacpi_disable_resources() if the _SRS or _DIS methods are not
present, respectively, but it should not do that, because those
methods are optional. For this reason, modify pnpacpi_set_resources()
and pnpacpi_disable_resources(), respectively, to ignore missing _SRS
or _DIS.
This problem has been uncovered by commit 202317a573b2 (ACPI / scan:
Add acpi_device objects for all device nodes in the namespace) and
manifested itself by causing serial port suspend to fail on some
systems.
Fixes: 202317a573b2 (ACPI / scan: Add acpi_device objects for all device nodes in the namespace)
References: https://bugzilla.kernel.org/show_bug.cgi?id=74371
Reported-by: wxg4net <wxg4net@gmail.com>
Reported-and-tested-by: <nonproffessional@gmail.com>
Cc: 3.14+ <stable@vger.kernel.org> # 3.14+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Do checksum offload only if the client of the driver wants checksum to be
offloaded.
In V1 version of this patch, I addressed comments from
Stephen Hemminger <stephen@networkplumber.org> and
Eric Dumazet <eric.dumazet@gmail.com>.
In this version of the patch I have addressed comments from
David Miller.
This patch fixes a bug that is exposed in gateway scenarios.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For phy devices that don't issue interrupts upon link
state changes, phylib polls the link state resulting in
repeated calls to adjust_link(), even if the link state
didn't change. As a result, some mac registers are
repeatedly read and written with the same values, which
is not ok.
To fix this, adjust_link() has been refactored to check
first whether the link state has changed and to take action
only if needed, updating mac registers and local state
variables. The 'new_state' local flag, set if one of the
link params changed (link, speed or duplex), has been
rendered useless and removed by this refactoring.
Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 12a2856b604476c27d85a5f9a57ae1661fc46019.
The commit above doesn't appear to be necessary any more as the
checksums appear to be correctly computed/validated.
Additionally the above commit breaks kvm configurations where
one VM is using a device that support checksum offload (virtio) and
the other VM does not.
In this case, packets leaving virtio device will have CHECKSUM_PARTIAL
set. The packets is forwarded to a macvtap that has offload features
turned off. Since we use CHECKSUM_UNNECESSARY, the host does does not
update the checksum and thus a bad checksum is passed up to
the guest.
CC: Daniel Lezcano <daniel.lezcano@free.fr>
CC: Patrick McHardy <kaber@trash.net>
CC: Andrian Nord <nightnord@gmail.com>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Jason Wang <jasowang@redhat.com>
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The following is a problematic configuration:
VM1: virtio-net device connected to macvtap0@eth0
VM2: e1000 device connect to macvtap1@eth0
The problem is is that virtio-net supports checksum offloading
and thus sends the packets to the host with CHECKSUM_PARTIAL set.
On the other hand, e1000 does not support any acceleration.
For small TCP packets (and this includes the 3-way handshake),
e1000 ends up receiving packets that only have a partial checksum
set. This causes TCP to fail checksum validation and to drop
packets. As a result tcp connections can not be established.
Commit 3e4f8b787370978733ca6cae452720a4f0c296b8
macvtap: Perform GSO on forwarding path.
fixes this issue for large packets wthat will end up undergoing GSO.
This commit adds a check for the non-GSO case and attempts to
compute the checksum for partially checksummed packets in the
non-GSO case.
CC: Daniel Lezcano <daniel.lezcano@free.fr>
CC: Patrick McHardy <kaber@trash.net>
CC: Andrian Nord <nightnord@gmail.com>
CC: Eric Dumazet <eric.dumazet@gmail.com>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Jason Wang <jasowang@redhat.com>
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds set_rx_int_on_com function for interrupt when
dma is completed.
Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds rxqueue enable function according to number of rxqueue
and adds rxqueue disable function for removing.
Signed-off-by: Byungho An <bh74.an@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch moves sw reset to probe function because
sw reset is needed early stage before open function.
Signed-off-by: Byungho An <bh74.an@samsung.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add handling for " 8 GT/s" in print_port_info().
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fixes the following sparse warnings:
drivers/net/ethernet/altera/altera_msgdma.c:23:5: warning: symbol 'msgdma_initialize' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:28:6: warning: symbol 'msgdma_uninitialize' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:32:6: warning: symbol 'msgdma_reset' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:77:6: warning: symbol 'msgdma_disable_rxirq' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:83:6: warning: symbol 'msgdma_enable_rxirq' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:89:6: warning: symbol 'msgdma_disable_txirq' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:95:6: warning: symbol 'msgdma_enable_txirq' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:101:6: warning: symbol 'msgdma_clear_rxirq' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:107:6: warning: symbol 'msgdma_clear_txirq' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:114:5: warning: symbol 'msgdma_tx_buffer' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:129:5: warning: symbol 'msgdma_tx_completions' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:154:5: warning: symbol 'msgdma_add_rx_desc' was not declared. Should it be static?
drivers/net/ethernet/altera/altera_msgdma.c:181:5: warning: symbol 'msgdma_rx_status' was not declared. Should it be static?
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Vince Bridgers <vbridgers2013@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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sgdma_descrip is a function name as well as the name of a struct. In
sgdma_initialize(), we should initialize the descriptor length field
with the actual length of a descriptor not with the size of the
function. In order to prevent such things from happening in the future,
rename the function to sgdma_setup_descrip().
Found by sparse which yields the following warning:
drivers/net/ethernet/altera/altera_sgdma.c:74:30: warning: expression using sizeof on a function
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a clock is unregsitered, we iterate over the list of
children and reparent them to NULL (i.e. orphan list). While
iterating the list, we should use the safe iterators because the
children list for this clock is changing when we reparent the
children to NULL. Failure to iterate safely can lead to slab
corruption like this:
=============================================================================
BUG kmalloc-128 (Not tainted): Poison overwritten
-----------------------------------------------------------------------------
Disabling lock debugging due to kernel taint
INFO: 0xed0c4900-0xed0c4903. First byte 0x0 instead of 0x6b
INFO: Allocated in clk_register+0x20/0x1bc age=297 cpu=2 pid=70
__slab_alloc.isra.39.constprop.42+0x410/0x454
kmem_cache_alloc_trace+0x200/0x24c
clk_register+0x20/0x1bc
devm_clk_register+0x34/0x68
0xbf0000f0
platform_drv_probe+0x18/0x48
driver_probe_device+0x94/0x360
__driver_attach+0x94/0x98
bus_for_each_dev+0x54/0x88
bus_add_driver+0xe8/0x204
driver_register+0x78/0xf4
do_one_initcall+0xc4/0x17c
load_module+0x19ac/0x2294
SyS_init_module+0xa4/0x110
ret_fast_syscall+0x0/0x48
INFO: Freed in clk_unregister+0xd4/0x140 age=23 cpu=2 pid=73
__slab_free+0x38/0x41c
clk_unregister+0xd4/0x140
release_nodes+0x164/0x1d8
__device_release_driver+0x60/0xb0
driver_detach+0xb4/0xb8
bus_remove_driver+0x5c/0xc4
SyS_delete_module+0x148/0x1d8
ret_fast_syscall+0x0/0x48
INFO: Slab 0xeec50b90 objects=25 used=0 fp=0xed0c5400 flags=0x4080
INFO: Object 0xed0c48c0 @offset=2240 fp=0xed0c4a00
Bytes b4 ed0c48b0: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Object ed0c48c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
Object ed0c48d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
Object ed0c48e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
Object ed0c48f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
Object ed0c4900: 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b ....kkkkkkkkkkkk
Object ed0c4910: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
Object ed0c4920: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
Object ed0c4930: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk.
Redzone ed0c4940: bb bb bb bb ....
Padding ed0c49e8: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
Padding ed0c49f8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
CPU: 3 PID: 75 Comm: mdev Tainted: G B 3.14.0-11033-g2054ba5ca781 #35
[<c0014be0>] (unwind_backtrace) from [<c0012240>] (show_stack+0x10/0x14)
[<c0012240>] (show_stack) from [<c04b74a0>] (dump_stack+0x70/0xbc)
[<c04b74a0>] (dump_stack) from [<c00f7a78>] (check_bytes_and_report+0xbc/0x100)
[<c00f7a78>] (check_bytes_and_report) from [<c00f7c48>] (check_object+0x18c/0x218)
[<c00f7c48>] (check_object) from [<c00f7efc>] (__free_slab+0x104/0x144)
[<c00f7efc>] (__free_slab) from [<c04b6668>] (__slab_free+0x3dc/0x41c)
[<c04b6668>] (__slab_free) from [<c014c008>] (load_elf_binary+0x88/0x12b4)
[<c014c008>] (load_elf_binary) from [<c0105a44>] (search_binary_handler+0x78/0x18c)
[<c0105a44>] (search_binary_handler) from [<c0106fc0>] (do_execve+0x490/0x5dc)
[<c0106fc0>] (do_execve) from [<c0036b8c>] (____call_usermodehelper+0x134/0x168)
[<c0036b8c>] (____call_usermodehelper) from [<c000f048>] (ret_from_fork+0x14/0x2c)
FIX kmalloc-128: Restoring 0xed0c4900-0xed0c4903=0x6b
Fixes: fcb0ee6a3d33 (clk: Implement clk_unregister)
Cc: Jiada Wang <jiada_wang@mentor.com>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Cc: stable@vger.kernel.org
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Now that clk_unregister() frees the struct clk we're
unregistering we'll free memory twice: first we'll call kfree()
in __clk_release() with an address kmalloc doesn't know about and
second we'll call kfree() in the devres layer. Remove the
allocation of struct clk in devm_clk_register() and let
clk_release() handle it. This fixes slab errors like:
=============================================================================
BUG kmalloc-128 (Not tainted): Invalid object pointer 0xed08e8d0
-----------------------------------------------------------------------------
Disabling lock debugging due to kernel taint
INFO: Slab 0xeec503f8 objects=25 used=15 fp=0xed08ea00 flags=0x4081
CPU: 2 PID: 73 Comm: rmmod Tainted: G B 3.14.0-11032-g526e9c764381 #34
[<c0014be0>] (unwind_backtrace) from [<c0012240>] (show_stack+0x10/0x14)
[<c0012240>] (show_stack) from [<c04b74dc>] (dump_stack+0x70/0xbc)
[<c04b74dc>] (dump_stack) from [<c00f6778>] (slab_err+0x74/0x84)
[<c00f6778>] (slab_err) from [<c04b6278>] (free_debug_processing+0x2cc/0x31c)
[<c04b6278>] (free_debug_processing) from [<c04b6300>] (__slab_free+0x38/0x41c)
[<c04b6300>] (__slab_free) from [<c03931bc>] (clk_unregister+0xd4/0x140)
[<c03931bc>] (clk_unregister) from [<c02fb774>] (release_nodes+0x164/0x1d8)
[<c02fb774>] (release_nodes) from [<c02f8698>] (__device_release_driver+0x60/0xb0)
[<c02f8698>] (__device_release_driver) from [<c02f9080>] (driver_detach+0xb4/0xb8)
[<c02f9080>] (driver_detach) from [<c02f8480>] (bus_remove_driver+0x5c/0xc4)
[<c02f8480>] (bus_remove_driver) from [<c008c9b8>] (SyS_delete_module+0x148/0x1d8)
[<c008c9b8>] (SyS_delete_module) from [<c000ef80>] (ret_fast_syscall+0x0/0x48)
FIX kmalloc-128: Object at 0xed08e8d0 not freed
Fixes: fcb0ee6a3d33 (clk: Implement clk_unregister)
Cc: Jiada Wang <jiada_wang@mentor.com>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Cc: stable@vger.kernel.org
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git://git.rocketboards.org/linux-socfpga-next into clk-fixes-socfpga
clk: socfpga: clock fix for v3.15
Currently on 3.15-rc1, the SOCFPGA platform is unable to boot. This patch
fixes the issue and allows the platform to boot.
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commit [1771b10d6 clk: respect the clock dependencies in of_clk_init]
exposed a flaw in the socfpga clock driver and prevents the platform
from booting on 3.15-rc1.
Because the "altr,clk-mgr" is not really a clock, it should not be using
CLK_OF_DECLARE, instead we should be mapping the clk-mgr's base address
one of the functional clock init function. Use the socfpga_pll_init function
to map the clk_mgr_base_addr as this clock should always be initialized first.
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Tested-by: Pavel Machek <pavel@denx.de>
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The divider returned by clk_divider_bestdiv() is likely to be invalid in case
of power-of-two and table dividers when CLK_SET_RATE_PARENT flag isn't set.
Fixes boot on STiH416 platform.
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: trivial merge conflict & updated changelog]
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