There is no need to sleep for 1-2 ms before
transmitting a new command.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Despite what the manual says, the FIFO size
on the trf7970a is really 127 bytes so make
the code respect that.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
The Overflow bit in the 'FIFO Status Register' has
proven to be untrustworthy so ignore it.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
To more efficiently handle long continuous reads,
use spi_sync() instead of spi_write_then_read().
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Call spi_setup() to configure SPI communication
with the trf7970a. This will ensure that the
correct SPI parameters are used.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Currently, the digital layer 'tg_listen_mdaa'
hook is not used and it isn't necessary to have
a stub routine so remove it.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
of_property_read_u32() does not take a reference
to the specified OF node so don't call of_node_put()
in trf7970a_get_autosuspend_delay().
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
- Fix for recently broken test_suspend= command line argument
(Rafael J Wysocki).
- Fixes for regressions related to the ACPI video driver caused
by switching the default to native backlight handling in 3.16
from Hans de Goede.
- Fix for a sysfs attribute of ACPI device objects that returns
stale values sometimes due to the fact that they are cached
instead of executing the appropriate method (_SUN) every time
(broken in 3.14). From Yasuaki Ishimatsu.
- Fix for a deadlock between cpuidle_lock and cpu_hotplug.lock
in the ACPI processor driver from Jiri Kosina.
- Runtime output validation for the ACPI _DSD device configuration
object missing from the support for it that has been introduced
recently. From Mika Westerberg.
- Fix for an unuseful and misleading RAPL (Running Average Power
Limit) domain detection message in the RAPL driver from Jacob Pan.
- New Intel Haswell CPU ID for the RAPL driver from Jason Baron.
- New Clevo W350etq blacklist entry for the ACPI EC driver
from Lan Tianyu.
- Cleanup for the intel_pstate driver and the core generic PM
domains code from Gabriele Mazzotta and Geert Uytterhoeven.
/
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Merge tag 'pm+acpi-3.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"These are regression fixes (ACPI sysfs, ACPI video, suspend test),
ACPI cpuidle deadlock fix, missing runtime validation of ACPI _DSD
output, a fix and a new CPU ID for the RAPL driver, new blacklist
entry for the ACPI EC driver and a couple of trivial cleanups
(intel_pstate and generic PM domains).
Specifics:
- Fix for recently broken test_suspend= command line argument (Rafael
Wysocki).
- Fixes for regressions related to the ACPI video driver caused by
switching the default to native backlight handling in 3.16 from
Hans de Goede.
- Fix for a sysfs attribute of ACPI device objects that returns stale
values sometimes due to the fact that they are cached instead of
executing the appropriate method (_SUN) every time (broken in
3.14). From Yasuaki Ishimatsu.
- Fix for a deadlock between cpuidle_lock and cpu_hotplug.lock in the
ACPI processor driver from Jiri Kosina.
- Runtime output validation for the ACPI _DSD device configuration
object missing from the support for it that has been introduced
recently. From Mika Westerberg.
- Fix for an unuseful and misleading RAPL (Running Average Power
Limit) domain detection message in the RAPL driver from Jacob Pan.
- New Intel Haswell CPU ID for the RAPL driver from Jason Baron.
- New Clevo W350etq blacklist entry for the ACPI EC driver from Lan
Tianyu.
- Cleanup for the intel_pstate driver and the core generic PM domains
code from Gabriele Mazzotta and Geert Uytterhoeven"
* tag 'pm+acpi-3.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / cpuidle: fix deadlock between cpuidle_lock and cpu_hotplug.lock
ACPI / scan: not cache _SUN value in struct acpi_device_pnp
cpufreq: intel_pstate: Remove unneeded variable
powercap / RAPL: change domain detection message
powercap / RAPL: add support for CPU model 0x3f
PM / domains: Make generic_pm_domain.name const
PM / sleep: Fix test_suspend= command line option
ACPI / EC: Add msi quirk for Clevo W350etq
ACPI / video: Disable native_backlight on HP ENVY 15 Notebook PC
ACPI / video: Add a disable_native_backlight quirk
ACPI / video: Fix use_native_backlight selection logic
ACPICA: ACPI 5.1: Add support for runtime validation of _DSD package.
A previous patch inadvertently deleted a declaration in the
amd_xgbe_an_tx_training function causing the build to fail.
Add the declaration for 'priv' back to the function.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull filesystem fixes from Al Viro:
"Several bugfixes (all of them -stable fodder).
Alexey's one deals with double mutex_lock() in UFS (apparently, nobody
has tried to test "ufs: sb mutex merge + mutex_destroy" on something
like file creation/removal on ufs). Mine deal with two kinds of
umount bugs, in umount propagation and in handling of automounted
submounts, both resulting in bogus transient EBUSY from umount"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
ufs: fix deadlocks introduced by sb mutex merge
fix EBUSY on umount() from MNT_SHRINKABLE
get rid of propagate_umount() mistakenly treating slaves as busy.
Pull RCU fix from Ingo Molnar:
"A boot hang fix for the offloaded callback RCU model (RCU_NOCB_CPU=y
&& (TREE_CPU=y || TREE_PREEMPT_RC)) in certain bootup scenarios"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rcu: Make nocb leader kthreads process pending callbacks after spawning
Pull timer fixes from Thomas Gleixner:
"Three fixlets from the timer departement:
- Update the timekeeper before updating vsyscall and pvclock. This
fixes the kvm-clock regression reported by Chris and Paolo.
- Use the proper irq work interface from NMI. This fixes the
regression reported by Catalin and Dave.
- Clarify the compat_nanosleep error handling mechanism to avoid
future confusion"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timekeeping: Update timekeeper before updating vsyscall and pvclock
compat: nanosleep: Clarify error handling
nohz: Restore NMI safe local irq work for local nohz kick
Commit 0244756edc ("ufs: sb mutex merge + mutex_destroy") introduces
deadlocks in ufs_new_inode() and ufs_free_inode().
Most callers of that functions acqure the mutex by themselves and
ufs_{new,free}_inode() do that via lock_ufs(),
i.e we have an unavoidable double lock.
The patch proposes to resolve the issue by making sure that
ufs_{new,free}_inode() are not called with the mutex held.
Found by Linux Driver Verification project (linuxtesting.org).
Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
The current GPL only licensing on the DTSI makes it very impractical for other
software components licensed under another license.
In order to make it easier for them to reuse our device trees, relicense our
DTSI first under a GPL/X11 dual-license. Hopefully, the DTS will follow soon.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
The current GPL only licensing on the DTSI makes it very impractical for other
software components licensed under another license.
In order to make it easier for them to reuse our device trees, relicense our
DTSI first under a GPL/X11 dual-license. Hopefully, the DTS will follow soon.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Alexander Bersenev <bay@hackerdom.ru>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Carlo Caione <carlo@caione.org>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Oliver Schinagl <oliver@schinagl.nl>
Acked-by: Roman Byshko <rbyshko@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
The current GPL only licensing on the DTSI makes it very impractical for other
software components licensed under another license.
In order to make it easier for them to reuse our device trees, relicense our
DTSI first under a GPL/X11 dual-license. Hopefully, the DTS will follow soon.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Carlo Caione <carlo@caione.org>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
CONFIG_IPV6=m
CONFIG_NETFILTER_XT_TARGET_TPROXY=y
net/built-in.o: In function `nf_tproxy_get_sock_v6.constprop.11':
>> xt_TPROXY.c:(.text+0x583a1): undefined reference to `udp6_lib_lookup'
net/built-in.o: In function `tproxy_tg_init':
>> xt_TPROXY.c:(.init.text+0x1dc3): undefined reference to `nf_defrag_ipv6_enable'
This fix is similar to 1a5bbfc ("netfilter: Fix build errors with
xt_socket.c").
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
The max_uV is not used, so remove it from struct as3711_regulator_info.
Current code is using devm_regulator_register(), so we don't need to store *rdev
in struct as3711_regulator for clean up.
Also clean up AS3711_REG macro to remove _vshift, _min_uV and _max_uV arguments.
_vshift is always 0, so remove it.
_min_uV and _max_uV are not required, all required settings are set in
REGULATOR_LINEAR_RANGE macro.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
An overrun could happen in function start_hrtick_dl()
when a task with SCHED_DEADLINE runs in the microseconds
range.
For example, if a task with SCHED_DEADLINE has the following parameters:
Task runtime deadline period
P1 200us 500us 500us
The deadline and period from task P1 are less than 1ms.
In order to achieve microsecond precision, we need to enable HRTICK feature
by the next command:
PC#echo "HRTICK" > /sys/kernel/debug/sched_features
PC#trace-cmd record -e sched_switch &
PC#./schedtool -E -t 200000:500000:500000 -e ./test
The binary test is in an endless while(1) loop here.
Some pieces of trace.dat are as follows:
<idle>-0 157.603157: sched_switch: :R ==> 2481:4294967295: test
test-2481 157.603203: sched_switch: 2481:R ==> 0:120: swapper/2
<idle>-0 157.605657: sched_switch: :R ==> 2481:4294967295: test
test-2481 157.608183: sched_switch: 2481:R ==> 2483:120: trace-cmd
trace-cmd-2483 157.609656: sched_switch:2483:R==>2481:4294967295: test
We can get the runtime of P1 from the information above:
runtime = 157.608183 - 157.605657
runtime = 0.002526(2.526ms)
The correct runtime should be less than or equal to 200us at some point.
The problem is caused by a conditional judgment "delta > 10000"
in function start_hrtick_dl().
Because no hrtimer start up to control the rest of runtime
when the reset of runtime is less than 10us.
So the process will continue to run until tick-period is coming.
Move the code with the limit of the least time slice
from hrtick_start_fair() to hrtick_start() because the
EDF schedule class also needs this function in start_hrtick_dl().
To fix this problem, we call hrtimer_start() unconditionally in
start_hrtick_dl(), and make sure the scheduling slice won't be smaller
than 10us in hrtimer_start().
Signed-off-by: Xiaofeng Yan <xiaofeng.yan@huawei.com>
Reviewed-by: Li Zefan <lizefan@huawei.com>
Acked-by: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1409022941-5880-1-git-send-email-xiaofeng.yan@huawei.com
[ Massaged the changelog and the code. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Align the prototype of lprocfs_wr_uint() in the declaration with the one used
in the definition.
The prototype is:
int lprocfs_wr_uint(struct file *file, const char __user *buffer,
unsigned long count, void *data)
In obdclass/lprocfs_status.c
But in lustre/include/lprocfs_status.h, the __user annotation is missing for
the attribute buffer.
The correct prototype is the first one (the definition) since:
- This function is eventually called by the write() function pointer of an
instance of struct file_operations
- In this function, buffer is a parameter of copy_from_user()
- Before the commit 73bb1da692, the declaration
and the definition had the same prototype, but only the .c has been updated.
Correcting this will remove a sparse error and add sparse warnings.
This is a task of the Eudyptula challenge.
Signed-off-by: Loïc Pellegrino <oort10@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix the warning reported by sparse on drivers/staging/lustre/lnet/lnet/router_proc.c
warning: incorrect type in argument 4 (different address spaces)
The correction is to annotate all user buffer variable by __user
Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the following sparse warnings:
drivers/staging/rtl8188eu/hal/phy.c:46:5: warning: symbol
'phy_query_bb_reg' was not declared. Should it be static?
drivers/staging/rtl8188eu/hal/phy.c:56:6: warning: symbol
'phy_set_bb_reg' was not declared. Should it be static?
drivers/staging/rtl8188eu/hal/phy.c:129:5: warning: symbol
'phy_query_rf_reg' was not declared. Should it be static?
drivers/staging/rtl8188eu/hal/phy.c:140:6: warning: symbol
'phy_set_rf_reg' was not declared. Should it be static?
drivers/staging/rtl8188eu/hal/phy.c:228:6: warning: symbol
'phy_set_tx_power_level' was not declared. Should it be static?
drivers/staging/rtl8188eu/hal/phy.c:324:6: warning: symbol
'phy_set_bw_mode' was not declared. Should it be static?
drivers/staging/rtl8188eu/hal/phy.c:360:6: warning: symbol 'phy_sw_chnl'
was not declared. Should it be static?
Signed-off-by: Nicolas Thery <nthery@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This fixes "void function return statements are not generally useful"
warnings from checkpatch.pl.
Signed-off-by: Michał Bartoszkiewicz <mbartoszkiewicz@gmail.com>
Reviewed-by: Insop Song <insop.song@gainspeed.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
lmv_internal.h:96: ERROR: space prohibited after that open parenthesis '('
lmv_internal.h:96: ERROR: space required before the open parenthesis '('
lmv_internal.h:147: WARNING: space prohibited between function name and open parenthesis '('
Signed-off-by: Juston Li <juston.h.li@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"A smattering of bug fixes across most architectures"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
powerpc/kvm/cma: Fix panic introduces by signed shift operation
KVM: s390/mm: Fix guest storage key corruption in ptep_set_access_flags
KVM: s390/mm: Fix storage key corruption during swapping
arm/arm64: KVM: Complete WFI/WFE instructions
ARM/ARM64: KVM: Nuke Hyp-mode tlbs before enabling MMU
KVM: s390/mm: try a cow on read only pages for key ops
KVM: s390: Fix user triggerable bug in dead code
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2014-09-06
This series contains updates to e1000 and igb.
Krzysztof provides a patch to cleanup the coding style in e1000 to quiet
checkpatch.pl warnings.
Todd adds two boolean flags to igb to allow for changes in the
advertised EEE speeds from ethtool.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The TCP_SKB_CB(skb)->when field no longer exists as of recent change
7faee5c0d5 ("tcp: remove TCP_SKB_CB(skb)->when"). And in any case,
tcp_fragment() is called on already-transmitted packets from the
__tcp_retransmit_skb() call site, so copying timestamps of any kind
in this spot is quite sensible.
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Reported-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix:
- a direct IO read/buffered read data corruption
- the associated fallout from the DIO data corruption fix
- collapse range bugs that are potential data corruption issues.
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Merge tag 'xfs-for-linus-3.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs
Pull xfs fixes from Dave Chinner:
"The fixes all address recently discovered data corruption issues.
The original Direct IO issue was discovered by Chris Mason @ Facebook
on a production workload which mixed buffered reads with direct reads
and writes IO to the same file. The fix for that exposed other issues
with page invalidation (exposed by millions of fsx operations) failing
due to dirty buffers beyond EOF.
Finally, the collapse_range code could also cause problems due to
racing writeback changing the extent map while it was being shifted
around. The commits for that problem are simple mitigation fixes that
prevent the problem from occuring. A more robust fix for 3.18 that
addresses the underlying problem is currently being worked on by
Brian.
Summary of fixes:
- a direct IO read/buffered read data corruption
- the associated fallout from the DIO data corruption fix
- collapse range bugs that are potential data corruption issues"
* tag 'xfs-for-linus-3.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs:
xfs: trim eofblocks before collapse range
xfs: xfs_file_collapse_range is delalloc challenged
xfs: don't log inode unless extent shift makes extent modifications
xfs: use ranged writeback and invalidation for direct IO
xfs: don't zero partial page cache pages during O_DIRECT writes
xfs: don't zero partial page cache pages during O_DIRECT writes
xfs: don't dirty buffers beyond EOF
* A tiny comment tweak, to kill a bunch of DocBook warnings added during the
merge window
* A small fixup to the OTP routines' error handling
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Merge tag 'for-linus-20140905' of git://git.infradead.org/linux-mtd
Pull mtd fixes from Brian Norris:
"Two trivial MTD updates for 3.17-rc4:
- a tiny comment tweak, to kill a bunch of DocBook warnings added
during the merge window
- a small fixup to the OTP routines' error handling"
* tag 'for-linus-20140905' of git://git.infradead.org/linux-mtd:
mtd: nand: fix DocBook warnings on nand_sdr_timings doc
mtd: cfi_cmdset_0002: check return code for get_chip()
Casting the return value which is a void pointer is redundant.
The conversion from void pointer to any other pointer type is
guaranteed by the C programming language.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Usually PMIC's come with coulomb counting mechanism which can be
used to implement a Fuel Gauginig solution in Software itself.
One of key input to these SW Fuel Gauge solutioons is the boot up
parameters like boot voltage and boot current.
This patch adds the VOLTAGE_BOOT and CURRENT_BOOT power supply attributes
to report bootup voltage and current.
This patch also adds CALIBRATE power supply attribute which useful is
for calibrating the battery/coulomb counter.
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This patch check the charging state after completed initialization of charger-
manager and update current charging state. If charger-manager never check and
update current charging state, charger-manager would have the mismatch issue
between real state of cable connection and the charging state of charger-manager
until first polling time of charger-manager.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This patch fix minor issue about checking wrong return type.
The of_cm_parse_desc() return ERR_PTR(errnor number) when some error happen
in this function. But, charger_manager_probe() has only checked whether
desc is NULL or not. If of_cm_parse_desc() returns ERR_PTR(-ENOMEM), desc
isn't NULL but desc is (void *)(-ENOMEM). Althouhg some error happen for parsing
DT, charger_manager_probe() can't detect error of desc instance.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
The xgene-reset driver uses xgene_restart() as arm_pm_restart() but that
function should take an enum reset_type as the first argument rather than
a char. Fix this; the paramter is not referenced in the implementation.
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
sbs-battery has a max design voltage but not a min design voltage field.
The SBS spec only has one design voltage:
http://www.sbs-forum.org/specs/sbdat110.pdf
Currently this is being used for max design voltage. This patch uses it
for min design voltage as well.
Signed-off-by: Simon Que <sque@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Todd Broch <tbroch@chromium.org>
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This CL supports two power_supply_property items for smart battery:
POWER_SUPPLY_PROP_MANUFACTURER and POWER_SUPPLY_PROP_MODEL_NAME such
that battery information 'manufacturer' and 'model_name' can be exported
to sysfs.
Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
Reviewed-by: Olof Johansson <olofj@chromium.org>
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
