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2015-08-31Merge remote-tracking branch 'spi/topic/dma' into spi-nextMark Brown1-4/+18
2015-08-31Merge remote-tracking branch 'spi/topic/core' into spi-nextMark Brown1-8/+21
2015-08-31Merge remote-tracking branches 'spi/fix/bcm2835', 'spi/fix/bitbang', ↵Mark Brown6-32/+153
'spi/fix/img-spfi', 'spi/fix/omap2-mcspi', 'spi/fix/orion' and 'spi/fix/xilinx' into spi-linus
2015-08-31spi: sh-msiof: Fix FIFO size to 64 word from 256 wordKoji Matsuoka1-6/+9
The upper limit of Tx/Rx FIFO size is 64 word by the specification of H/W. This patch corrects to 64 word from 256 word. Signed-off-by: Koji Matsuoka <[email protected]> Signed-off-by: Yoshihiro Kaneko <[email protected]> Signed-off-by: Mark Brown <[email protected]> Cc: [email protected]
2015-08-31Merge tag 'perf-core-for-mingo' of ↵Ingo Molnar29-102/+433
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf/core improvement and fixes from Arnaldo Carvalho de Melo: User visible changes: - Add new compaction-times python script. (Tony Jones) - Make the --[no-]-demangle/--[no-]-demangle-kernel command line options available in 'perf script' too. (Mark Drayton) - Allow for negative numbers in libtraceevent's print format, fixing up misformatting in some tracepoints. (Steven Rostedt) Infrastructure changes: - perf_env/perf_evlist changes to allow accessing the data structure with the environment where some perf data was collected in functions not necessarily related to perf.data file processing. (Kan Liang) - Cleanups for the tracepoint definition location paths routines. (Jiri Olsa) - Introduce sysfs/filename__sprintf_build_id, removing code duplication. (Masami Hiramatsu) Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2015-08-31Merge branch 'perf/urgent' into perf/core, to pick up fixesIngo Molnar124-1087/+855
Signed-off-by: Ingo Molnar <[email protected]>
2015-08-31Merge tag 'perf-urgent-for-mingo' of ↵Ingo Molnar1-3/+2
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/urgent fix from Arnaldo Carvalho de Melo: - Use index, not CPU id, to find core/pkg id in 'perf stat' (Kan Liang) Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2015-08-30alpha: select CONFIG_ARCH_USE_CMPXCHG_LOCKREF.Matt Turner2-0/+6
On Alpha we have spinlocks that are 32b in size and an efficient cmpxchg64 implementation, so we qualify to make use of cmpxchg backed lockrefs. Select the ARCH_USE_CMPXCHG_LOCKREF Kconfig symbol and provide a trivial implementation of arch_spin_value_unlocked to satisfy the lockref code. Using Linus' simple testcase from http://article.gmane.org/gmane.linux.file-systems/77466 on a dual CPU ES47 system I see around an 8% gain: N Min Max Median Avg Stddev x 30 6194580 6295654 6272504 6272514 17694.232 + 30 6731164 6786334 6767982 6764274 13738.863 Difference at 95.0% confidence 491760 +/- 8188.17 7.83992% +/- 0.130541% (Student's t, pooled s = 15840.5) Signed-off-by: Matt Turner <[email protected]>
2015-08-30Linux 4.2Linus Torvalds1-1/+1
2015-08-30Merge remote-tracking branch 'regulator/topic/tps6586x' into regulator-nextMark Brown1-2/+2
2015-08-30Merge remote-tracking branches 'regulator/topic/qcom-smd', ↵Mark Brown8-24/+838
'regulator/topic/qcom-spmi', 'regulator/topic/rk808', 'regulator/topic/stub' and 'regulator/topic/tol' into regulator-next
2015-08-30Merge remote-tracking branches 'regulator/topic/mt6311', ↵Mark Brown29-65/+510
'regulator/topic/ocp', 'regulator/topic/owner', 'regulator/topic/pfuze100' and 'regulator/topic/pwm' into regulator-next
2015-08-30Merge remote-tracking branches 'regulator/topic/lp872x', ↵Mark Brown21-913/+622
'regulator/topic/ltc3589', 'regulator/topic/max77693' and 'regulator/topic/max8973' into regulator-next
2015-08-30Merge remote-tracking branches 'regulator/topic/da9210', ↵Mark Brown10-89/+223
'regulator/topic/da9211', 'regulator/topic/fan53555', 'regulator/topic/isl9305' and 'regulator/topic/list' into regulator-next
2015-08-30Merge remote-tracking branches 'regulator/topic/88pm800', ↵Mark Brown4-155/+84
'regulator/topic/ad5398', 'regulator/topic/axp20x' and 'regulator/topic/da9062' into regulator-next
2015-08-30Merge remote-tracking branch 'regulator/topic/core' into regulator-nextMark Brown1-4/+18
2015-08-30Merge remote-tracking branch 'regulator/fix/pbias' into regulator-linusMark Brown1-0/+5
2015-08-30regulator: mt6311: fix platform_no_drv_owner.cocci warningskbuild test robot1-1/+0
drivers/regulator/mt6311-regulator.c:169:3-8: No need to set .owner here. The core will do it. Remove .owner field if calls are used which set it automatically Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci Signed-off-by: Fengguang Wu <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2015-08-30regulator: ltc3589: Remove unnecessary MODULE_ALIAS()Javier Martinez Canillas1-1/+0
The driver has a I2C device id table that is used to create the modaliases and already contains a "ltc3589" device id. So the modalias is unnecessary. Signed-off-by: Javier Martinez Canillas <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2015-08-30regulator: ad5398: Remove unnecessary MODULE_ALIAS()Javier Martinez Canillas1-1/+0
The driver has a I2C device id table that is used to create the modaliases and also "ad5398-regulator" is not a supported I2C id, so it's never used. Signed-off-by: Javier Martinez Canillas <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2015-08-30spi: fsl-(e)spi: Fix checking return value of devm_ioremap_resourceAxel Lin2-4/+4
devm_ioremap_resource() returns ERR_PTR on error. Signed-off-by: Axel Lin <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2015-08-29Merge tag 'v4.2' into for_nextChris Zankel1394-9560/+14467
Linux 4.2
2015-08-29thermal: power_allocator: allocate with kcalloc what you free with kfreeJavi Merino1-2/+1
Commit cf736ea6f902 ("thermal: power_allocator: do not use devm* interfaces") forgot to change a devm_kcalloc() to just kcalloc(), but it's corresponding devm_kfree() was changed to kfree(). Allocate with kcalloc() to match the kfree(). Fixes: cf736ea6f902 ("thermal: power_allocator: do not use devm* interfaces") Cc: Dmitry Torokhov <[email protected]> Cc: Eduardo Valentin <[email protected]> Cc: Zhang Rui <[email protected]> Signed-off-by: Javi Merino <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-08-29regulator: pfuze100: Remove unnecessary MODULE_ALIAS()Javier Martinez Canillas1-1/+0
The driver has a I2C device id table that is used to create the modaliases and also "pfuze100-regulator" is not a supported I2C id, so is never used. Signed-off-by: Javier Martinez Canillas <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2015-08-29PM / Domains: Fix typo in description of genpd_dev_pm_detach()Jon Hunter1-1/+1
The function genpd_dev_pm_detach() detaches a device from a PM domain, however, in the description, the "dev" argument for the function is described as the device to "attach" instead of "detach". Correct this. Signed-off-by: Jon Hunter <[email protected]> Acked-by: Geert Uytterhoeven <[email protected]> Acked-by: Kevin Hilman <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2015-08-29PM / Domains: Remove unusable governor dummiesGeert Uytterhoeven1-2/+0
The governor dummies for the !CONFIG_PM_GENERIC_DOMAINS case are unusable, as a governors is always referred to by taking its address, which you can't do with a literal NULL pointer. I.e. pm_genpd_init(genpd, &simple_qos_governor, false); fails to compile with: error: lvalue required as unary '&' operand Hence just remove the governor dummies. Signed-off-by: Geert Uytterhoeven <[email protected]> Acked-by: Ulf Hansson <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2015-08-29PM / Domains: Make pm_genpd_init() available to modulesRajendra Nayak1-0/+1
Export symbol pm_genpd_init so it can be used in loadable kernel modules Signed-off-by: Rajendra Nayak <[email protected]> Reported-by: Stephen Rothwell <[email protected]> Acked-by: Geert Uytterhoeven <[email protected]> Acked-by: Kevin Hilman <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2015-08-29PM / domains: Align column headers and data in pm_genpd_summary outputGeert Uytterhoeven1-3/+3
"domain": header is indented by 4, data by 0 spaces => 0 spaces "/device": header is indented by 11, data by 4 spaces => 4 spaces "slaves": header is indented by 47, data by 49 spaces => 48 spaces Ruler: 1234567890123456789012345678901234567890123456789012345678901234567890 Before: domain status slaves /device runtime status ---------------------------------------------------------------------- a3sp on a2us /devices/platform/e60b0000.i2c suspended After: domain status slaves /device runtime status ---------------------------------------------------------------------- a3sp on a2us /devices/platform/e60b0000.i2c suspended Signed-off-by: Geert Uytterhoeven <[email protected]> Acked-by: Kevin Hilman <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2015-08-29powercap / RAPL: disable the 2nd power limit properlySeiichi Ikarashi1-2/+4
Let rapl_unregister_powercap() disable the second power limit only if it exists. Intel64 SDM Vol.3 14.9 says that the package domain has it but neither the power plane domain nor the DRAM domain has it. Signed-off-by: Seiichi Ikarashi <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2015-08-29tools: cpupower: Fix error when running cpupower monitorShreyas B. Prabhu1-0/+2
get_cpu_topology() tries to get topology info from all cpus by reading files in the topology sysfs dir. If a cpu is offlined, since it doesn't have topology dir, this function fails and returns -1. This causes functions relying on get_cpu_topology() to fail. For example- $ cpupower monitor Cannot read number of available processors Fix this by skipping fetching topology info for offline cpus. Signed-off-by: Shreyas B. Prabhu <[email protected]> Reported-by: Pavaman Subramaniyam <[email protected]> Acked-by: Thomas Renninger <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2015-08-28Merge branches 'pci/enumeration' and 'pci/misc' into nextBjorn Helgaas16-129/+148
* pci/enumeration: PCI: Set MPS to match upstream bridge PCI: Move MPS configuration check to pci_configure_device() PCI: Drop references acquired by of_parse_phandle() PCI/MSI: Remove unused pcibios_msi_controller() hook ARM/PCI: Remove msi_controller from struct pci_sys_data ARM/PCI, designware, xilinx: Use pci_scan_root_bus_msi() PCI: Add pci_scan_root_bus_msi() ARM/PCI: Replace panic with WARN messages on failures PCI: generic: Add arm64 support PCI: Build setup-irq.o for arm64 PCI: generic: Remove dependency on ARM-specific struct hw_pci ARM/PCI: Set MPS before pci_bus_add_devices() * pci/misc: PCI: Disable async suspend/resume for JMicron multi-function SATA/AHCI
2015-08-28Merge branch 'for-4.2-fixes' of ↵Linus Torvalds1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata fixlet from Tejun Heo: "Simple blacklist entry addition" * 'for-4.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: Add factory recertified Crucial M500s to blacklist
2015-08-28HID: wacom: wacom_setup_numbered_buttons is local to wacom_wacJiri Kosina1-1/+1
wacom_setup_numbered_buttons() is not used outside of wacom_wac.c, make it static. Signed-off-by: Jiri Kosina <[email protected]>
2015-08-28HID: wacom: Add support for Express Key Remote.Aaron Skomra5-2/+370
This device is pad (buttons) only, there is no stylus or touch. Up to five remotes can pair with the device's associated USB dongle. Signed-off-by: Aaron Skomra <[email protected]> Reviewed-by: Jason Gerecke <[email protected]> Signed-off-by: Jiri Kosina <[email protected]>
2015-08-28HID: wacom: Set button bits based on a new numbered_buttonsAaron Skomra2-115/+61
Prior to this commit, numbered button bit setting was done separately for each device type in wacom_setup_pad_capabilities(). Here we add a numbered_buttons property to the wacom_features struct and extract the repeated bit setting code to a new function: wacom_settup_numbered_buttons(). Signed-off-by: Aaron Skomra <[email protected]> Reviewed-by: Jason Gerecke <[email protected]> Signed-off-by: Jiri Kosina <[email protected]>
2015-08-28Merge tag 'sound-fix-4.2' of ↵Linus Torvalds4-9/+28
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Here are stable fixes that have been gathered since rc8: fixes for HD-audio widget power control regressions since 4.1, a NULL fix for HD-audio HDMI, a noise fix for Conexant codecs and a quirk addition for USB-Audio DSD" * tag 'sound-fix-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Fix path power activation ALSA: hda - Check all inputs for is_active_nid_for_any() ALSA: hda: fix possible NULL dereference ALSA: hda - Shutdown CX20722 on reboot/free to avoid spurious noises ALSA: usb: Add native DSD support for Gustard DAC-X20U
2015-08-28perf evlist: Add backpointer for perf_env to evlistKan Liang2-0/+2
Add backpointer to perf_env in evlist, so we can easily access env when processing something where we have a evsel or evlist. Suggested-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Kan Liang <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2015-08-28perf tools: Rename perf_session_env to perf_envKan Liang10-21/+21
As it is not necessarily tied to a perf.data file and needs using in places where a perf_session is not required. Suggested-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Kan Liang <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2015-08-28perf tools: Do not change lib/api/fs/debugfs directlyJiri Olsa2-2/+1
The tracing_events_path is the variable we want to change via --debugfs-dir option, not the debugfs_mountpoint. Signed-off-by: Jiri Olsa <[email protected]> Reviewed-by: Matt Fleming <[email protected]> Cc: Raphael Beamonte <[email protected]> Cc: David Ahern <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2015-08-28perf tools: Add tracing_path and remove unneeded functionsJiri Olsa2-53/+5
There's no need for find_tracing_dir, because perf already searches for debugfs/tracefs mount on start and populate tracing_events_path. Adding tracing_path to carry tracing dir string to be used in get_tracing_file instead of calling find_tracing_dir. Signed-off-by: Jiri Olsa <[email protected]> Cc: Raphael Beamonte <[email protected]> Cc: David Ahern <[email protected]> Cc: Matt Fleming <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2015-08-28perf buildid: Introduce sysfs/filename__sprintf_build_idMasami Hiramatsu4-26/+47
Introduce sysfs/filename__sprintf_build_id for consolidating similar code. Signed-off-by: Masami Hiramatsu <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Hemant Kumar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2015-08-28perf evsel: Add a backpointer to the evlist a evsel is inArnaldo Carvalho de Melo3-0/+8
So that functions that deal primarily with an evsel to access information that concerns the whole evlist it is in. Cc: Adrian Hunter <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Kan Liang <[email protected]> Cc: Mark Rutland <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Kan Liang <[email protected]> Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2015-08-28perf trace: Add header with copyright and background infoArnaldo Carvalho de Melo1-0/+19
Cc: Adrian Hunter <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: David Ahern <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Stephane Eranian <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2015-08-28perf scripts python: Add new compaction-times scriptTony Jones3-0/+317
This patch creates a new script (compaction-times) to report time spent in mm compaction. It is possible to report times in nanoseconds (default) or microseconds (-u). The option -p will break down results by process id, -pv will further decompose by each compaction entry/exit. For each compaction entry/exit what is reported is controlled by the options: -t report only timing -m report migration stats -ms report migration scanner stats -fs report free scanner stats The default is to report all. Entries may be further filtered by pid, pid-range or comm (regex). The script is useful when analysing workloads that compact memory. The most common example will be THP allocations on systems with a lot of uptime that has fragmented memory. This is an example of using the script to analyse a thpscale from mmtests which deliberately fragments memory and allocates THP in 4 separate threads # Recording step, one of the following; $ perf record -e 'compaction:mm_compaction_*' ./workload # or: $ perf script record compaction-times # Reporting: basic total: 2444505743ns migration: moved=357738 failed=39275 free_scanner: scanned=2705578 isolated=387875 migration_scanner: scanned=414426 isolated=397013 # Reporting: Per task stall times $ perf script report compaction-times -- -t -p total: 2444505743ns 6384[thpscale]: 740800017ns 6385[thpscale]: 274119512ns 6386[thpscale]: 832961337ns 6383[thpscale]: 596624877ns # Reporting: Per-compaction attempts for task 6385 $ perf script report compaction-times -- -m -pv 6385 total: 274119512ns migration: moved=14893 failed=24285 6385[thpscale]: 274119512ns migration: moved=14893 failed=24285 6385[thpscale].1: 3033277ns migration: moved=511 failed=1 6385[thpscale].2: 9592094ns migration: moved=1524 failed=12 6385[thpscale].3: 2495587ns migration: moved=512 failed=0 6385[thpscale].4: 2561766ns migration: moved=512 failed=0 6385[thpscale].5: 2523521ns migration: moved=512 failed=0 ..... output continues ... Changes since v1: - report stats for isolate_migratepages and isolate_freepages (Vlastimil Babka) - refactor code to achieve above - add help text - output to stdout/stderr explicitly Signed-off-by: Tony Jones <[email protected]> Cc: Mel Gorman <[email protected]> Cc: Vlastimil Babka <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
2015-08-28regulator: core: use debug level print in regulator_check_drmsArchit Taneja1-1/+1
When calling regulator_set_load, regulator_check_drms prints and returns an error if the regulator device's flag REGULATOR_CHANGE_DRMS isn't set. drms_uA_update, however, bails out without reporting an error. Replace the error print with a debug level print so that we don't get such prints when the underlying regulator doesn't support DRMS. Signed-off-by: Archit Taneja <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2015-08-28spi: Add DT bindings documentation for Netlogic XLP SPI controllerKamlakant Patel1-0/+39
Add DT bindings documentation for SPI controller driver used by Netlogic XLP MIPS64 SoCs. Signed-off-by: Kamlakant Patel <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2015-08-28spi/xlp: SPI controller driver for Netlogic XLP SoCsKamlakant Patel3-0/+468
Add SPI Master controller driver for the SPI interface on XLP8XX, XLP3XX, XLP2XX, XLP9XX and XLP5XX family of Netlogic XLP MIPS64 processors. Signed-off-by: Kamlakant Patel <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2015-08-28spi: fsl-espi: add runtime PMHeiner Kallweit1-17/+54
Add runtime PM and use autosuspend instead of suspending the SPI controller after each transfer. Signed-off-by: Heiner Kallweit <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2015-08-28spi: fsl-(e)spi: simplify cleanup codeHeiner Kallweit4-35/+7
Now that most cleanup is done automatically the remove functions can be significantly simplified. Signed-off-by: Heiner Kallweit <[email protected]> Signed-off-by: Mark Brown <[email protected]>
2015-08-28spi: fsl-(e)spi: migrate to using devm_ functions to simplify cleanupHeiner Kallweit3-32/+13
Migrate fsl-espi and fsl-spi to using the managed devm_ functions for resource handling. This simplifies the cleanup. Signed-off-by: Heiner Kallweit <[email protected]> Signed-off-by: Mark Brown <[email protected]>
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