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2012-03-30Merge branches 'acpica', 'bgrt', 'bz-11533', 'cpuidle', 'ec', 'hotplug', ↵Len Brown
'misc', 'red-hat-bz-727865', 'thermal', 'throttling', 'turbostat' and 'video' into release Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI throttling: fix endian bug in acpi_read_throttling_status()Dan Carpenter
Using a u64 here creates an endian bug. We store a u32 number in the top byte which is a larger number than intended on big endian systems. There is no reason to use a 64 bit data type here, I guess it was just an oversight. I removed the initialization to zero as well. It's needed with a u64 but with a u32, the variable gets initialized properly inside the call to acpi_os_read_port(). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30Disable MCP limit exceeded messages from Intel IPS driverAndi Kleen
On a system on the thermal limit these are quite noisy and flood the logs. Better would be a counter anyways. But given that we don't even have anything for normal throttling this doesn't seem to be urgent either. Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI video: Don't start video device until its associated input device has ↵Igor Murzov
been allocated Quoth Dmitry Torokhov: In addition to bus notifier we do install device notifier explicitly so it might fire up early. The easiest fox would be to move acpi_video_bus_start_devices() after input_allocate_device() but before input_register_device() - unregistered input devices can handle input_event() calls just fine. May fix crashes reported in: https://bugzilla.kernel.org/show_bug.cgi?id=40672 Signed-off-by: Igor Murzov <e-mail@date.by> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI video: Harden video bus adding.Igor Murzov
It is always better to check return values, so add some new checks and correct existing ones. v2: Be consistent and don't mix errors from -E* and AE_* namespaces. Signed-off-by: Igor Murzov <e-mail@date.by> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI: Add support for exposing BGRT dataMatthew Garrett
ACPI 5.0 adds the BGRT, a table that contains a pointer to the firmware boot splash and associated metadata. This simple driver exposes it via /sys/firmware/acpi in order to allow bootsplash applications to draw their splash around the firmware image and reduce the number of jarring graphical transitions during boot. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI: export acpi_kobjMatthew Garrett
Drivers may wish to add entries to /sys/firmware/acpi, so export acpi_kobj in order to let them do that. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI: Clean redundant codes in scan.cAlex He
Clean the redundant codes of apci_bus_get_power_flags(). Signed-off-by: Alex He <alex.he@amd.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI: Fix unprotected smp_processor_id() in acpi_processor_cst_has_changed()Paul E. McKenney
The acpi_processor_cst_has_changed() function is invoked from a CPU_ONLINE or CPU_DEAD function, which might well execute on CPU 0 even though the CPU being hotplugged is some other CPU. In addition, acpi_processor_cst_has_changed() invokes smp_processor_id() without protection, resulting in splats when onlining CPUs. This commit therefore changes the smp_processor_id() to pr->id, as is used elsewhere in the code, for example, in acpi_processor_add(). Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Tested-by: Yong Zhang <yong.zhang0@gmail.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI: consistently use should_use_kmap()Jan Beulich
... so that acpi_unmap()'s behavior gets in sync with acpi_map()'s. Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30PNPACPI: Fix device ref leaking in acpi_pnp_matchYinghai Lu
During testing pci root bus removal, found some root bus bridge is not freed. If booting with pnpacpi=off, those hostbridge could be freed without problem. It turns out that some devices reference are not released during acpi_pnp_match. that match should not hold one device ref during every calling. Add pu_device calling before returning. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: stable@vger.kernel.org Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI: Fix use-after-free in acpi_map_lsapicPetr Vandrovec
When processor is being hot-added to the system, acpi_map_lsapic invokes ACPI _MAT method to find APIC ID and flags, verifies that returned structure is indeed ACPI's local APIC structure, and that flags contain MADT_ENABLED bit. Then saves APIC ID, frees structure - and accesses structure when computing arguments for acpi_register_lapic call. Which sometime leads to acpi_register_lapic call being made with second argument zero, failing to bring processor online with error 'Unable to map lapic to logical cpu number'. As lapic->lapic_flags & ACPI_MADT_ENABLED was already confirmed to be non-zero few lines above, we can just pass unconditional ACPI_MADT_ENABLED to the acpi_register_lapic. Signed-off-by: Petr Vandrovec <petr@vmware.com> Signed-off-by: Alok N Kataria <akataria@vmware.com> Reviewed-by: Toshi Kani <toshi.kani@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI: processor_driver: add missing kfreeJulia Lawall
The function acpi_processor_add is stored in the ops.add field of a acpi_driver structure. This function is then called in acpi_bus_driver_init. On failure, this function clears the field device->driver_data, but does not free its contents. Thus the free has to be done by the add function. In acpi_processor_add, the corresponding value is pr. This value is currently freed on failure before storing it in device->driver_data, but not after. This free is added in the error handling code at the end of the function. The per_cpu variable processors is also cleared so that it does not refer to a dangling pointer. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Acked-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30cpuidle: power_usage should be declared signed integerBoris Ostrovsky
power_usage is always assigned a negative value and should be declared a signed integer Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30idle, x86: Allow off-lined CPU to enter deeper C statesBoris Ostrovsky
Currently when a CPU is off-lined it enters either MWAIT-based idle or, if MWAIT is not desired or supported, HLT-based idle (which places the processor in C1 state). This patch allows processors without MWAIT support to stay in states deeper than C1. Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI: Add CPU hotplug support for processor device objectsToshi Kani
acpi_processor_install_hotplug_notify() registers processor objects to receive ACPI CPU hotplug event notifications. This patch additionally registers processor device objects (ACPI0007) to receive the notifications as well. Signed-off-by: Toshi Kani <toshi.kani@hp.com> Reviewed-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI / PM: print physical addresses consistently with other parts of kernelBjorn Helgaas
Print physical address info in a style consistent with the %pR style used elsewhere in the kernel. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI: Evaluate thermal trip points before reading temperatureMatthew Garrett
An HP laptop (Pavilion G4-1016tx) has the following code in _TMP: Store (\_SB.PCI0.LPCB.EC0.RTMP, Local0) If (LGreaterEqual (Local0, S4TP)) { Store (One, HTS4) } S4TP is initialised at 0 and not programmed further until either _HOT or _CRT is called. If we evaluate _TMP before the trip points then HTS4 will always be set, causing the firmware to generate a message on boot complaining that the system shut down because of overheating. The simplest solution is just to reverse the checking of trip points and _TMP in thermal init. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30cpuidle: remove unused 'governor_data' fieldDaniel Lezcano
As far as I can see, this field is never used in the code. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30cpuidle: remove useless array definition in cpuidle_structureDaniel Lezcano
All the modules name are ro-data, it is never copied to the array. eg. static struct cpuidle_driver intel_idle_driver = { .name = "intel_idle", .owner = THIS_MODULE, }; It safe to assign the pointer of this ro-data to a const char *. By this way we save 12 bytes. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com> Tested-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30cpuidle: use the driver's state_count as defaultDaniel Lezcano
If the state_count is not initialized for the device use the driver's state count as the default. That will prevent to add it manually in the cpuidle driver initialization routine and will save us from duplicate line of code. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30cpuidle: add a sysfs entry to disable specific C state for debug purpose.ShuoX Liu
Some C states of new CPU might be not good. One reason is BIOS might configure them incorrectly. To help developers root cause it quickly, the patch adds a new sysfs entry, so developers could disable specific C state manually. In addition, C state might have much impact on performance tuning, as it takes much time to enter/exit C states, which might delay interrupt processing. With the new debug option, developers could check if a deep C state could impact performance and how much impact it could cause. Also add this option in Documentation/cpuidle/sysfs.txt. [akpm@linux-foundation.org: check kstrtol return value] Signed-off-by: ShuoX Liu <shuox.liu@intel.com> Reviewed-by: Yanmin Zhang <yanmin_zhang@intel.com> Reviewed-and-Tested-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPICA: Update to version 20120320Bob Moore
Version 20120320. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPICA: Object repair code: Support to add Package wrappersBob Moore
Repair a common problem with objects that are defined to return a variable-length Package of sub-objects. If there is only one sub-object, some BIOS code mistakenly simply declares the single object instead of a Package with one sub-object. This function attempts to repair this error by wrapping a Package object around the original object, creating the correct and expected Package with one sub-object. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI: Make ACPI interrupt threadedAndi Kleen
Some ACPI interrupt actions may need to wait, and it's easiest to have a thread context for this. So turn the ACPI interrupt into a threaded interrupt. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30ACPI: ec: Do request_region outside WARN()Andi Kleen
WARN() is not supposed to have side effects, so move the request_regions outside. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-29tools turbostat: harden against cpu online/offlineLen Brown
Sometimes users have turbostat running in interval mode when they take processors offline/online. Previously, turbostat would survive, but not gracefully. Tighten up the error checking so turbostat notices changesn sooner, and print just 1 line on change: turbostat: re-initialized with num_cpus %d Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-29tools turbostat: reduce measurement overhead due to IPIsLen Brown
turbostat uses /dev/cpu/*/msr interface to read MSRs. For modern systems, it reads 10 MSR/CPU. This can be observed as 10 "Function Call Interrupts" per CPU per sample added to /proc/interrupts. This overhead is measurable on large idle systems, and as Yoquan Song pointed out, it can even trick cpuidle into thinking the system is busy. Here turbostat re-schedules itself in-turn to each CPU so that its MSR reads will always be local. This replaces the 10 "Function Call Interrupts" with a single "Rescheduling interrupt" per sample per CPU. On an idle 32-CPU system, this shifts some residency from the shallow c1 state to the deeper c7 state: # ./turbostat.old -s %c0 GHz TSC %c1 %c3 %c6 %c7 %pc2 %pc3 %pc6 %pc7 0.27 1.29 2.29 0.95 0.02 0.00 98.77 20.23 0.00 77.41 0.00 0.25 1.24 2.29 0.98 0.02 0.00 98.75 20.34 0.03 77.74 0.00 0.27 1.22 2.29 0.54 0.00 0.00 99.18 20.64 0.00 77.70 0.00 0.26 1.22 2.29 1.22 0.00 0.00 98.52 20.22 0.00 77.74 0.00 0.26 1.38 2.29 0.78 0.02 0.00 98.95 20.51 0.05 77.56 0.00 ^C i# ./turbostat.new -s %c0 GHz TSC %c1 %c3 %c6 %c7 %pc2 %pc3 %pc6 %pc7 0.27 1.20 2.29 0.24 0.01 0.00 99.49 20.58 0.00 78.20 0.00 0.27 1.22 2.29 0.25 0.00 0.00 99.48 20.79 0.00 77.85 0.00 0.27 1.20 2.29 0.25 0.02 0.00 99.46 20.71 0.03 77.89 0.00 0.28 1.26 2.29 0.25 0.01 0.00 99.46 20.89 0.02 77.67 0.00 0.27 1.20 2.29 0.24 0.01 0.00 99.48 20.65 0.00 78.04 0.00 cc: Youquan Song <youquan.song@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-29tools turbostat: add summary optionLen Brown
turbostat -s cuts down on the amount of output, per user request. also treak some output whitespace and the man page. Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-26ACPI: Move module parameter gts and bfs to sleep.cLin Ming
Move linux specific module parameter gts and bfs out of ACPICA core code to sleep.c. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-26ACPICA: Sleep/Wake interfaces: optionally execute _GTS and _BFSLin Ming
Enhanced the sleep/wake interfaces to optionally execute the _GTS method (Going To Sleep), and the _BFS method (Back From Sleep). Windows apparently does not execute these methods, and therefore these methods are often untested. It has been seen on some systems where the execution of these methods causes errors and also prevents the machine from entering S5. It is therefore suggested that host operating systems do not execute these methods by default. In the future, perhaps these methods can be optionally executed based on the age of the system and/or what is the newest version of Windows that the BIOS asks for via _OSI. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPI: Do cpufreq clamping for throttling per package v2Andi Kleen
On Intel CPUs the processor typically uses the highest frequency set by any logical CPU. When the system overheats Linux first forces the frequency to the lowest available one to lower the temperature. However this was done only per logical CPU, which means all logical CPUs in a package would need to go through this before the frequency is actually lowered. Worse this delay actually prevents real throttling, because the real throttle code only proceeds when the lowest frequency is already reached. So when a throttle event happens force the lowest frequency for all CPUs in the package where it happened. The per CPU state is now kept per package, not per logical CPU. An alternative would be to do it per cpufreq unit, but since we want to bring down the temperature of the complete chip it's better to do it for all. In principle it may even make sense to do it for all CPUs, but I kept it on the package for now. With this change the frequency is actually lowered, which in terms also allows real throttling to proceed. I also removed an unnecessary per cpu variable initialization. v2: Fix package mapping Cc: <stable@vger.kernel.org> Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Debugger: Add missing object info to namespace dumpBob Moore
Many namespace node types must have an attached object. For these node types, print a message about a missing object during a namespace dump. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Change exception code for invalid pathname in acpi_evaluate_objectBob Moore
Change the returned exception code from AE_BAD_PARAMETER to the more appropriate AE_BAD_PATHNAME, when the input pathname to evaluate object is invalid. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Clarify METHOD_NAME* defines for full-pathname casesBob Moore
Changed the METHOD_NAME* defines that define a full pathname to the method to METHOD_PATHNAME* in order to make it clear that it is not a simple 4-character ACPI name. Used for the various sleep/wake methods. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Update to version 20120215Bob Moore
Version 20120215. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Add table-driven dispatch for sleep/wake functionsBob Moore
Simplifies the code, especially the compile-time ACPI_REDUCED_HARDWARE option. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Split sleep/wake functions into two filesBob Moore
The functions for the original/legacy sleep/wake registers are in hwsleep.c, and the functions for the new extended FADT V5 sleep registers are in hwesleep.c Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Distill multiple sleep method functions to a single functionBob Moore
Adds acpi_hw_execute_sleep_method to handle the various sleep methods such as _GTS, _BFS, _WAK, and _SST. Removes the specialized functions previously used for each of these methods. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Add acpi_os_physical_table_override interfaceBob Moore
This interface allows the host to override a table via a physical address, instead of the logical address required by acpi_os_table_override. This simplifies the host implementation. Initial implementation by Thomas Renninger. ACPICA implementation creates a single function for table overrides that attempts both a logical and a physical override. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: ACPI 5: Update debug output for new notify valuesBob Moore
Add new notify values, add support for "hardware specific" notifies. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Expand OSL memory read/write interfaces to 64 bitsBob Moore
This change expands acpi_os_read_memory and acpi_os_write_memory to a full 64 bits. This allows 64 bit transfers via the acpi_read and acpi_write interfaces. Note: The internal acpi_hw_read and acpi_hw_write interfaces remain at 32 bits, because 64 bits is not needed to access the standard ACPI registers. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Support for custom ACPICA build for ACPI 5 reduced hardwareBob Moore
Add ACPI_REDUCED_HARDWARE flag that removes all hardware-related code (about 10% code, 5% static data). Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Move ACPI timer prototypes to public acpixf fileBob Moore
These prototypes were incorrectly declared in achware.h. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: ACPI 5: Support for new FADT SleepStatus, SleepControl registersBob Moore
Adds sleep and wake support for systems with these registers. One new file, hwxfsleep.c Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ACPICA: Update _REV return value to 5Bob Moore
_REV returns the supported ACPI revision level, which is now 5. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22ARM: davinci: Fix for cpuidle consolidation changesRobert Lee
The recent cpuidle consolidation changes erroneously omitted one critical line of code. Signed-off-by: Robert Lee <rob.lee@linaro.org> Tested-by: Sekhar Nori <nsekhar@ti.com> Acked-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22thermal: Fix for setting the thermal zone mode to enable/disableAmit Daniel Kachhap
Basically without this patch changing the mode of thermal zone is not possible as wrong string size is passed to strncmp. Signed-off-by: Amit Daniel Kachhap <amit.kachhap@linaro.org> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22thermal: spear13xx: checking for NULL instead of IS_ERR()Dan Carpenter
thermal_zone_device_register() never returns NULL, on error it returns and ERR_PTR(). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Viresh Kumar <viresh.kumar@st.com> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@st.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-22thermal/spear_thermal: replace readl/writel with lighter _relaxed variantsViresh Kumar
readl/writel versions for ARM contain memory barrier instruction for synchronizing DMA buffers. These are not required at least on this module. So use lighter _relaxed variants. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
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