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This commit makes sure the timer clock is prepared and enabled
before retrieving its rate.
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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memblock_is_region_reserved() returns true in the case of a partial
overlap, meaning that the current code fails to reserve the
non-overlapping portion.
This call was introduced as part of d1552ce449eb "of/fdt: move
memreserve and dtb memory reservations into core" which went into
v3.16.
I observed this causing a Midway system with a buggy fdt (the header
declares itself to be larger than it really is) failing to boot
because the over-inflated size of the fdt was causing it to seem to
run into the swapper_pg_dir region, meaning the DT wasn't reserved.
The symptoms were failing to find an disks or network and failing to
boot.
However given the ambiguity of whether things like the initrd are
covered by /memreserve/ and similar I think it is best to also
register the region rather than just ignoring it.
Since memblock_reserve() handles overlaps just fine lets just warn and
carry on.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: stable@vger.kernel.org # v3.16+
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Currently we just make sure vdd is off before suspending, but we don't
cancel the vdd off work. The work wil not touch vdd if
want_panel_vdd==false so in theory this is fine.
In the past that was perfectly fine since the vdd off work didn't do
anything when want_panel_vdd==false, so even if the work would have been
run during system resume before i915 has resumed, nothing would happen.
However since pps_lock() will now grab the power domain references before
it can check want_panel_vdd, we may end up toggling the power wells on/off
already before the driver has resumed. That is not really acceptable, so
cancel the vdd off work when suspending the encoder.
The problem appeared when pps_lock() was introduced in:
commit 773538e86081d146e0020435d614f4b96996c1f9
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Thu Sep 4 14:54:56 2014 +0300
drm/i915: Reset power sequencer pipe tracking when disp2d is off
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Every other architecture with permanent fixed addresses has
FIX_HOLE as the first entry. This seems to be designed as a
debugging aid but there are a couple of side effects of not
having FIX_HOLE:
- If the first fixed address is 0, fix_to_virt -> virt_to_fix
triggers a BUG_ON for the virtual address being equal to
FIXADDR_TOP
- fix_to_virt may return a value outside of FIXADDR_START
and FIXADDR_TOP which may look like a bug to a developer.
Match up with other architectures and make everything clearer
by adding FIX_HOLE.
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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If no voltage supply regulators are defined for the UFS devices (assumed
they are always-on), ufshcd_config_vreg_load() can be called on
suspend/resume paths with vreg == NULL as hba->vreg_info.vcc* equal to
NULL, and it causes NULL pointer dereference.
This fixes it by making ufshcd_config_vreg_{h,l}pm noop when no regulators
are defined.
Signed-off-by: Akinobu Mita <mita@fixstars.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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When dynamic clk gating feature is enabled, delayed workqueue machanism
is used in order to detect certain period of inactivity. But there is no
guarantee that scheduled gating work is completed before module unloading.
So it can cause kernel crash by accessing memory after it was freed.
Fix it by cancelling clk gating and ungating works and ensure that its
execution is finished before module unloading.
Signed-off-by: Akinobu Mita <mita@fixstars.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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The memory controller on NVIDIA Tegra exposes various knobs that can be
used to tune the behaviour of the clients attached to it.
In addition, the memory controller implements an SMMU (IOMMU) which can
translate I/O virtual addresses to physical addresses for clients. This
is useful for scatter-gather operation on devices that don't support it
natively and for virtualization or process separation.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This will allow the Kconfig option to be shared among 32-bit and 64-bit
ARM.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Rather than duplicate the ARM_AMBA Kconfig symbol in both 32-bit and
64-bit ARM architectures, move the common definition to drivers/amba
where dependent drivers will be located.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The memory controller clock runs either at half or the same frequency as
the EMC clock.
Reviewed-By: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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This branch contains a couple of changes that will conflict with the
Tegra SMMU driver rewrite. Since the driver is largely rewritten the
conflict resolution is non-trivial.
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Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Kevin Cernekee <cernekee@gmail.com>
Link: https://lkml.kernel.org/r/20141114221642.GA37468@dtor-ws
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Kevin Cernekee <cernekee@gmail.com>
Link: https://lkml.kernel.org/r/20141114221614.GA37395@dtor-ws
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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There are currently 2 differents naming conventions used between the
existing Armada SoC DT files for pinctrl entries (*_pin(s): *-pin(s)
and pmx_*: pmx-*) with a vast majority of files using the former:
$ grep _pin arch/arm/boot/dts/armada-*.dts* | wc -l
155
$ grep pmx arch/arm/boot/dts/armada-*.dts* | wc -l
13
In fact, only some Armada XP files are using the second variant.
This patch normalizes those files (mainly ge0/1 entries) to use
the first variant.
Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Link: https://lkml.kernel.org/r/00114c3169e1d93259ff4150ed46ee36eae16b1e.1416670812.git.arno@natisbad.org
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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While renaming pinctrl entries during reviews of Synology DS414 support
series, I missed three entries, as reported by Ben. This patch fixes
those.
Reported-by: Ben Peddell <klightspeed@killerwolves.net>
Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Link: https://lkml.kernel.org/r/608e4fd6e06e9c5289a84b9c38e81b2456dbcd79.1416670812.git.arno@natisbad.org
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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Pull nfsd bugfixes from Bruce Fields:
"These fix one mishandling of the case when security labels are
configured out, and two races in the 4.1 backchannel code"
* 'for-3.18' of git://linux-nfs.org/~bfields/linux:
nfsd: Fix slot wake up race in the nfsv4.1 callback code
SUNRPC: Fix locking around callback channel reply receive
nfsd: correctly define v4.2 support attributes
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Pull aio fix from Ben LaHaise:
"Dirty page accounting fix for aio"
* git://git.kvack.org/~bcrl/aio-fixes:
aio: fix uncorrent dirty pages accouting when truncating AIO ring buffer
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc fixes from Ben Herrenschmidt:
"This series fix a nasty issue with radeon adapters on powerpc servers,
it's all CC'ed stable and has the relevant maintainers ack's/reviews.
Basically, some (radeon) adapters have issues with MSI addresses above
1T (only support 40-bits). We had powerpc specific quirk but it only
listed a specific revision of an adapter that we shipped with our
machines and didn't properly handle the audio function which some
distros enable nowadays.
So we made the quirk generic and fixed both the graphic and audio
drivers properly to use it.
Without that, ppc64 server machines will crash at boot with a radeon
adapter.
Note: This has been brewing for a while, it just needed a last respin
which got delayed due to us moving ozlabs to a new location in town
and other such things taking priority"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/pci: Remove unused force_32bit_msi quirk
powerpc/pseries: Honor the generic "no_64bit_msi" flag
powerpc/powernv: Honor the generic "no_64bit_msi" flag
sound/radeon: Move 64-bit MSI quirk from arch to driver
gpu/radeon: Set flag to indicate broken 64-bit MSI
PCI/MSI: Add device flag indicating that 64-bit MSIs don't work
ALSA: hda - Limit 40bit DMA for AMD HDMI controllers
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull a hwmon fix from Guenter Roeck:
"Fix hwmon registration problem in g762 driver"
* tag 'hwmon-for-linus-v3.18-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (g762) fix call to devm_hwmon_device_register_with_groups()
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The commit "genirq: Generic chip: Change irq_reg_{readl,writel}
arguments" modified the API. In the same tome the
arch/arm/plat-orion/gpio.c file received a fix with the use of the old
API: "ARM: orion: Fix for certain sequence of request_irq can cause
irq storm". This commit fixes the use of the API.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Olof Johansson <olof@lixom.net>
Link: https://lkml.kernel.org/r/1416928752-24529-1-git-send-email-gregory.clement@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
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mvebu fixes for v3.18
- Armada XP
- Generalize i2c quirk
- orion
- Fix irq storm caused by specific sequence of request_irq
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https://git.linaro.org/people/mike.turquette/linux
Pull clock fixes from Mike Turquette:
"The fixes for the clock framework are all regressions in drivers, plus
a single fix in one of the basic clock templates. No fixes to the
core this time around.
As with most clock driver fixes these run the gamut from fixing a
build warning to fixing wrecked memory timings, with a little USB
tossed in for fun"
* tag 'clk-fixes-for-linus' of https://git.linaro.org/people/mike.turquette/linux:
clk: pxa: fix pxa27x CCCR bit usage
clk-divider: Fix READ_ONLY when divider > 1
clk: qcom: Fix duplicate rbcpr clock name
clk: at91: usb: fix at91sam9x5 recalc, round and set rate
clk: at91: usb: fix at91rm9200 round and set rate
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This reverts commit 2dea53bf57783f243c892e99c10c6921e956aa7e.
Turns out to be broken :(
Cc: Jingchang Lu <jingchang.lu@freescale.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If TX channels are set to 4 and RX channels are set to less than 4,
using ethtool -L, the driver will try to initialize more RX channels
than it has allocated, causing an oops.
This fix only initializes the RX ring if it has been allocated.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After commit ca777eff51f7 ("tcp: remove dst refcount false sharing for
prequeue mode") we have to relax check against skb dst in
tcp_v[46]_send_reset() if prequeue dropped the dst.
If a socket is provided, a full lookup was done to find this socket,
so the dst test can be skipped.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88191
Reported-by: Jaša Bartelj <jasa.bartelj@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Daniel Borkmann <dborkman@redhat.com>
Fixes: ca777eff51f7 ("tcp: remove dst refcount false sharing for prequeue mode")
Signed-off-by: David S. Miller <davem@davemloft.net>
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The existing order of steps when starting the PCI devices works for
2.4G devices, but fails to initialize the 5G section of the RTL8821AE
hardware.
This patch is needed to fix the regression reported in Bug #88811
(https://bugzilla.kernel.org/show_bug.cgi?id=88811).
Reported-by: Valerio Passini <valerio.passini@unicam.it>
Tested-by: Valerio Passini <valerio.passini@unicam.it>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Valerio Passini <valerio.passini@unicam.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The changes associated with moving this driver from staging to the regular
tree missed one section setting the allowable rates for the 5GHz band.
This patch is needed to fix the regression reported in Bug #88811
(https://bugzilla.kernel.org/show_bug.cgi?id=88811).
Reported-by: Valerio Passini <valerio.passini@unicam.it>
Tested-by: Valerio Passini <valerio.passini@unicam.it>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Valerio Passini <valerio.passini@unicam.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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get_next_corpse"
This reverts commit 5195c14c8b27cc0b18220ddbf0e5ad3328a04187.
If the conntrack clashes with an existing one, it is left out of
the unconfirmed list, thus, crashing when dropping the packet and
releasing the conntrack since golden rule is that conntracks are
always placed in any of the existing lists for traceability reasons.
Reported-by: Daniel Borkmann <dborkman@redhat.com>
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=88841
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alexander Duyck says:
====================
Fix outer UDP checksums for IPv6 VXLAN tunnels
In testing against an older kernel I found a couple issues in the IPv6
VXLAN tunnel checksum logic for the outer UDP checksum.
First the default transitioned from using an outer checksum to not using
one. Second, sometime after that the checksum inputs were changed
resulting the checksum not being correct if it were computed.
These two issues prevented a ping from the newer kernel to the older one.
With these two changes applied I verified I was able to send traffic over
the VXLAN tunnel to a link partner on an older kernel.
The boolean flip fix can be submitted for 3.17 stable as well since the
patch that introduced the issue was included in that kernel.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In "vxlan: Call udp_sock_create" there was a logic error that resulted in
the default for IPv6 VXLAN tunnels going from using checksums to not using
checksums. Since there is currently no support in iproute2 for setting
these values it means that a kernel after the change cannot talk over a IPv6
VXLAN tunnel to a kernel prior the change.
Fixes: 3ee64f3 ("vxlan: Call udp_sock_create")
Cc: Tom Herbert <therbert@google.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Acked-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The UDP checksum calculation for VXLAN tunnels is currently using the
socket addresses instead of the actual packet source and destination
addresses. As a result the checksum calculated is incorrect in some
cases.
Also uh->check was being set twice, first it was set to 0, and then it is
set again in udp6_set_csum. This change removes the redundant assignment
to 0.
Fixes: acbf74a7 ("vxlan: Refactor vxlan driver to make use of the common UDP tunnel functions.")
Cc: Andy Zhou <azhou@nicira.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SOF_TIMESTAMPING_OPT_ID puts the id in ee_data, not ee_info.
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Consistently use the plural form for alternatives pr_fmt strings.
Signed-off-by: Will Deacon <will.deacon@arm.com>
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After registering mfd device with proper irq_base
platform_get_irq_byname() calls will return VIRQ instead of local IRQ.
This fixes da9063 rtc registration issue:
da9063-rtc da9063-rtc: Failed to request ALARM IRQ 1: -22
Signed-off-by: Dmitry Lavnikevich <d.lavnikevich@sam-solutions.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Fix a typo in name of company in copyright comment.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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axp20x.c:239:30:
warning: ‘axp20x_acpi_match’ defined but not used [-Wunused-variable]
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Change clk_enable/disable() calls to clk_prepare_enable() and
clk_disable_unprepare().
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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Change clk_enable/disable() calls to clk_prepare_enable() and
clk_disable_unprepare().
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
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When the extra 4 channels were added to AIF2 the necessary frame control
registers were not given defaults and marked readable. This patch fixes
this.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
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The TC3589x driver is now a device tree-only driver, so we want
only dynamic IRQs and GPIO numbers from the tc3589x, no static
assignments.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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These registers are documented in the datasheet and used as part of the
extcon driver. Expose them properly through regmap as the datasheet
notes they should be treated as volatile do so.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
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Technically this register is not used on wm8997 however the regmap core
requires a continuous block of IRQs. The simplest solution is just to
add the register.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
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Change clk_enable/disable() calls to clk_prepare_enable() and
clk_disable_unrepapre().
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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First spotted pointless (incorrect) indent of 'if (ret)', then double
indentations of a struct attribute 'mask'. Decided to go through the
whole file and make amendments instead and this is the result.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Some boards with TC6393XB chip require full state restore during system
resume thanks to chip's VCC being cut off during suspend (Sharp SL-6000
tosa is one of them). Failing to do so would result in ohci Oops on
resume due to internal memory contentes being changed. Fail ohci suspend
on tc6393xb is full state restore is required.
Recommended workaround is to unbind tmio-ohci driver before suspend and
rebind it after resume.
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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MFD core already cares about failing registration. It will remove successfully
registered devices in case of error. Thus, no need to repeatedly call
mfd_remove_devices().
Fixes: 5829e9b64e65 (mfd: lpc_sch: Accomodate partial population of the MFD devices)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Precedence of & and >> is not the same and is not left to right.
shift has higher precedence and should be done after the mask.
Add parentheses around the mask.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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ab8500_restart is not called from anywhere in the kernel, so drop it.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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