* refs/heads/tmp-5f7f76a
Linux 4.4.118
net: dst_cache_per_cpu_dst_set() can be static
crypto: s5p-sss - Fix kernel Oops in AES-ECB mode
KVM: nVMX: invvpid handling improvements
KVM: VMX: clean up declaration of VPID/EPT invalidation types
kvm: nVMX: Fix kernel panics induced by illegal INVEPT/INVVPID types
KVM: nVMX: vmx_complete_nested_posted_interrupt() can't fail
KVM: nVMX: kmap() can't fail
x86/speculation: Fix typo IBRS_ATT, which should be IBRS_ALL
x86/spectre: Simplify spectre_v2 command line parsing
x86/retpoline: Avoid retpolines for built-in __init functions
x86/kvm: Update spectre-v1 mitigation
x86/paravirt: Remove 'noreplace-paravirt' cmdline option
x86/spectre: Fix spelling mistake: "vunerable"-> "vulnerable"
x86/spectre: Report get_user mitigation for spectre_v1
nl80211: Sanitize array index in parse_txq_params
vfs, fdtable: Prevent bounds-check bypass via speculative execution
x86/syscall: Sanitize syscall table de-references under speculation
x86/get_user: Use pointer masking to limit speculation
x86: Introduce barrier_nospec
x86: Implement array_index_mask_nospec
array_index_nospec: Sanitize speculative array de-references
Documentation: Document array_index_nospec
x86/spectre: Check CONFIG_RETPOLINE in command line parser
x86/cpu/bugs: Make retpoline module warning conditional
x86/bugs: Drop one "mitigation" from dmesg
x86/nospec: Fix header guards names
module/retpoline: Warn about missing retpoline in module
KVM: VMX: Make indirect call speculation safe
KVM: x86: Make indirect calls in emulator speculation safe
x86/retpoline: Remove the esp/rsp thunk
KVM: async_pf: Fix #DF due to inject "Page not Present" and "Page Ready" exceptions simultaneously
kasan: rework Kconfig settings
drm/gma500: remove helper function
x86/microcode/AMD: Change load_microcode_amd()'s param to bool to fix preemptibility bug
genksyms: Fix segfault with invalid declarations
dell-wmi, dell-laptop: depends DMI
netlink: fix nla_put_{u8,u16,u32} for KASAN
ASoC: Intel: Kconfig: fix build when ACPI is not enabled
ARM: tegra: select USB_ULPI from EHCI rather than platform
ncr5380: shut up gcc indentation warning
usb: phy: msm add regulator dependency
idle: i7300: add PCI dependency
binfmt_elf: compat: avoid unused function warning
isdn: sc: work around type mismatch warning
power: bq27xxx_battery: mark some symbols __maybe_unused
Revert "power: bq27xxx_battery: Remove unneeded dependency in Kconfig"
ncpfs: fix unused variable warning
gpio: xgene: mark PM functions as __maybe_unused
net: hp100: remove unnecessary #ifdefs
dmaengine: zx: fix build warning
perf/x86: Shut up false-positive -Wmaybe-uninitialized warning
wireless: cw1200: use __maybe_unused to hide pm functions_
cw1200: fix bogus maybe-uninitialized warning
v4l: remove MEDIA_TUNER dependency for VIDEO_TUNER
hdpvr: hide unused variable
drm/gma500: Sanity-check pipe index
serial: 8250_mid: fix broken DMA dependency
ASoC: rockchip: use __maybe_unused to hide st_irq_syscfg_resume
ISDN: eicon: reduce stack size of sig_ind function
em28xx: only use mt9v011 if camera support is enabled
go7007: add MEDIA_CAMERA_SUPPORT dependency
KVM: add X86_LOCAL_APIC dependency
Input: tca8418_keypad - hide gcc-4.9 -Wmaybe-uninitialized warning
drm/nouveau: hide gcc-4.9 -Wmaybe-uninitialized
tc358743: fix register i2c_rd/wr functions
staging: unisys: visorinput depends on INPUT
i2c: remove __init from i2c_register_board_info()
b2c2: flexcop: avoid unused function warnings
infiniband: cxgb4: use %pR format string for printing resources
iio: adc: axp288: remove redundant duplicate const on axp288_adc_channels
ASoC: mediatek: add i2c dependency
genirq/msi: Add stubs for get_cached_msi_msg/pci_write_msi_msg
tty: cyclades: cyz_interrupt is only used for PCI
drm/vmwgfx: use *_32_bits() macros
tlan: avoid unused label with PCI=n
tc1100-wmi: fix build warning when CONFIG_PM not enabled
ipv4: ipconfig: avoid unused ic_proto_used symbol
netfilter: ipvs: avoid unused variable warnings
x86/platform/olpc: Fix resume handler build warning
staging: wilc1000: fix kbuild test robot error
rtlwifi: fix gcc-6 indentation warning
USB: cdc_subset: only build when one driver is enabled
hwrng: exynos - use __maybe_unused to hide pm functions
fbdev: sm712fb: avoid unused function warnings
Drivers: hv: vmbus: fix build warning
modsign: hide openssl output in silent builds
fbdev: s6e8ax0: avoid unused function warnings
mtd: cfi: enforce valid geometry configuration
mtd: sh_flctl: pass FIFO as physical address
amd-xgbe: Fix unused suspend handlers build warning
fbdev: auo_k190x: avoid unused function warnings
driver-core: use 'dev' argument in dev_dbg_ratelimited stub
target/user: Fix cast from pointer to phys_addr_t
tty: hvc_xen: hide xen_console_remove when unused
usb: musb/ux500: remove duplicate check for dma_is_compatible
pwc: hide unused label
SCSI: initio: remove duplicate module device table
scsi: mvumi: use __maybe_unused to hide pm functions
video: Use bool instead int pointer for get_opt_bool() argument
fbdev: sis: enforce selection of at least one backend
staging: ste_rmi4: avoid unused function warnings
video: fbdev: sis: remove unused variable
scsi: fdomain: drop fdomain_pci_tbl when built-in
mptfusion: hide unused seq_mpt_print_ioc_summary function
mtd: maps: add __init attribute
mtd: ichxrom: maybe-uninitialized with gcc-4.9
md: avoid warning for 32-bit sector_t
profile: hide unused functions when !CONFIG_PROC_FS
dpt_i2o: fix build warning
drivers/net: fix eisa_driver probe section mismatch
scsi: sim710: fix build warning
x86/boot: Avoid warning for zero-filling .bss
thermal: spear: use __maybe_unused for PM functions
ssb: mark ssb_bus_register as __maybe_unused
reiserfs: avoid a -Wmaybe-uninitialized warning
ALSA: hda/ca0132 - fix possible NULL pointer use
arm64: Kconfig: select COMPAT_BINFMT_ELF only when BINFMT_ELF is set
scsi: advansys: fix uninitialized data access
x86/platform: Add PCI dependency for PUNIT_ATOM_DEBUG
x86: add MULTIUSER dependency for KVM
thermal: fix INTEL_SOC_DTS_IOSF_CORE dependencies
x86/build: Silence the build with "make -s"
tools build: Add tools tree support for 'make -s'
x86/fpu/math-emu: Fix possible uninitialized variable use
arm64: define BUG() instruction without CONFIG_BUG
x86/ras/inject: Make it depend on X86_LOCAL_APIC=y
scsi: advansys: fix build warning for PCI=n
video: fbdev: via: remove possibly unused variables
platform/x86: intel_mid_thermal: Fix suspend handlers unused warning
gpio: intel-mid: Fix build warning when !CONFIG_PM
vmxnet3: prevent building with 64K pages
isdn: icn: remove a #warning
virtio_balloon: prevent uninitialized variable use
hippi: Fix a Fix a possible sleep-in-atomic bug in rr_close
xen: XEN_ACPI_PROCESSOR is Dom0-only
x86/mm/kmmio: Fix mmiotrace for page unaligned addresses
mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep
dmaengine: jz4740: disable/unprepare clk if probe fails
drm/armada: fix leak of crtc structure
xfrm: Fix stack-out-of-bounds with misconfigured transport mode policies.
spi: sun4i: disable clocks in the remove function
ASoC: rockchip: disable clock on error
clk: fix a panic error caused by accessing NULL pointer
dmaengine: at_hdmac: fix potential NULL pointer dereference in atc_prep_dma_interleaved
dmaengine: ioat: Fix error handling path
509: fix printing uninitialized stack memory when OID is empty
btrfs: Fix possible off-by-one in btrfs_search_path_in_tree
net_sched: red: Avoid illegal values
net_sched: red: Avoid devision by zero
gianfar: fix a flooded alignment reports because of padding issue.
s390/dasd: prevent prefix I/O error
powerpc/perf: Fix oops when grouping different pmu events
ipvlan: Add the skb->mark as flow4's member to lookup route
scripts/kernel-doc: Don't fail with status != 0 if error encountered with -none
RDMA/cma: Make sure that PSN is not over max allowed
pinctrl: sunxi: Fix A80 interrupt pin bank
media: s5k6aa: describe some function parameters
perf bench numa: Fixup discontiguous/sparse numa nodes
perf top: Fix window dimensions change handling
ARM: dts: am4372: Correct the interrupts_properties of McASP
ARM: dts: Fix omap4 hang with GPS connected to USB by using wakeupgen
ARM: AM33xx: PRM: Remove am33xx_pwrdm_read_prev_pwrst function
ARM: OMAP2+: Fix SRAM virt to phys translation for save_secure_ram_context
usb: build drivers/usb/common/ when USB_SUPPORT is set
usbip: keep usbip_device sockfd state in sync with tcp_socket
staging: iio: adc: ad7192: fix external frequency setting
binder: check for binder_thread allocation failure in binder_poll()
staging: android: ashmem: Fix a race condition in pin ioctls
dn_getsockoptdecnet: move nf_{get/set}sockopt outside sock lock
Make DST_CACHE a silent config option
arm64: dts: add #cooling-cells to CPU nodes
video: fbdev/mmp: add MODULE_LICENSE
ASoC: ux500: add MODULE_LICENSE tag
net: avoid skb_warn_bad_offload on IS_ERR
netfilter: xt_RATEEST: acquire xt_rateest_mutex for hash insert
netfilter: on sockopt() acquire sock lock only in the required scope
netfilter: ipt_CLUSTERIP: fix out-of-bounds accesses in clusterip_tg_check()
netfilter: x_tables: avoid out-of-bounds reads in xt_request_find_{match|target}
netfilter: x_tables: fix int overflow in xt_alloc_table_info()
KVM: x86: fix escape of guest dr6 to the host
crypto: x86/twofish-3way - Fix %rbp usage
selinux: skip bounded transition processing if the policy isn't loaded
selinux: ensure the context is NUL terminated in security_context_to_sid_core()
Provide a function to create a NUL-terminated string from unterminated data
drm: Require __GFP_NOFAIL for the legacy drm_modeset_lock_all
blktrace: fix unlocked registration of tracepoints
xfrm: check id proto in validate_tmpl()
xfrm: Fix stack-out-of-bounds read on socket policy lookup.
mm,vmscan: Make unregister_shrinker() no-op if register_shrinker() failed.
cfg80211: check dev_set_name() return value
net: replace dst_cache ip6_tunnel implementation with the generic one
net: add dst_cache support
ANDROID: sdcardfs: Hold i_mutex for i_size_write
BACKPORT, FROMGIT: crypto: speck - add test vectors for Speck64-XTS
BACKPORT, FROMGIT: crypto: speck - add test vectors for Speck128-XTS
BACKPORT, FROMGIT: crypto: arm/speck - add NEON-accelerated implementation of Speck-XTS
FROMGIT: crypto: speck - export common helpers
BACKPORT, FROMGIT: crypto: speck - add support for the Speck block cipher
UPSTREAM: ANDROID: binder: synchronize_rcu() when using POLLFREE.
f2fs: updates on v4.16-rc1
Conflicts:
net/Kconfig
net/core/Makefile
Change-Id: I659b0444812b04252f1f1fba8bc62410ce42b061
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
commit 68fd77cf8a4b045594231f07e5fc92e1a34c0a9e upstream.
We get a Kconfig warning when selecting this without also enabling
CONFIG_PCI:
warning: (X86_INTEL_LPSS && INTEL_SOC_DTS_IOSF_CORE
&& SND_SST_IPC_ACPI && MMC_SDHCI_ACPI && PUNIT_ATOM_DEBUG)
selects IOSF_MBI which has unmet direct dependencies (PCI)
This adds a new depedency.
Fixes: 3a2419f865 ("Thermal: Intel SoC: DTS thermal use common APIs")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Correct warnings flagged by checkpatch. In particular, modify
the following:
- Add 'const' to type of a struct of_device_id variable.
- Update the THERMAL_QPNP Kconfig entry and the device tree
documentation to use the name: 'Qualcomm Technologies, Inc.'
Change-Id: Ia25eb58820107d0c068ee3e2c31d46f0cb13e3d6
Signed-off-by: David Collins <collinsd@codeaurora.org>
The Limits Management Hardware (LMH-DCVS) is a hardware block for
monitoring thermal profiles and taking immediate action to control
temperature without software intervention. The h/w block can only be
configured under secure mode.
The LMH-DCVS block reads CPU temperatures of a cluster by sensing
information from the TSENS hardware and determines the course of action.
When enabled, the h/w triggers when the high threshold is hit for any
CPU in the cluster. The mitigative action is frequency and voltage
control that is provided to the OSM hardware.
The driver registers a virtual thermal zone device for each hardware
instance. The thermal zone device is used to set the thresholds for the
hardware to work on. Once the thresholds are setup and the trip type is
enabled, the hardware functions autonomously. Mitigative action is
completely controlled in the h/w.
Writing to the actual hardware is done through the SCM call.
Change-Id: I70d4bc387717491256fec1ef6bd8cd6a28ea641b
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
This snapshot is taken as of msm-3.18 commit e70ad0c (Promotion of
kernel.lnx.3.18-151201.)
Include necessary thermal_core changes to convert long to int inline with
upstream kernel changes.
Change-Id: I642b666518fe72385794b743989a0f5e5120ec03
Conflicts:
drivers/thermal/Makefile
Add TSENS Thermal driver. Include support to activate
a trip type and mode.
This snapshot is taken as of msm-3.14 commit 3bc54cf86b
(Merge "msm: camera: Add dummy sub module in sensor pipeline")
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>
Conflicts:
drivers/thermal/Kconfig
drivers/thermal/Makefile
include/linux/thermal.h
Change-Id: Ie8a089afc0cf9e45ac000dff425a3e6206c1b9b1
Change to using upstream spmi bus architecture. All the spmi devices,
marked by spmi-dev-container, become platform devices.
spmi-slave-container devices become spmi_devices each representing
a slave. The read/write functions use regmap api's instead of calls to
spmi_ext_register_read/write() implemented by the spmi bus. This
regmap is instantiated per slave.
The spmi bus helper functions like spmi_get_irq get changed to their
platform bus equivalents.
Change Kconfig files include
* Remove dependence on OF_SPMI, MSM_QPNP_INT
* There were few places where an earlier commit
dcc2aedc80746acee589e4b47d3e6adf5d3ec253
missed adding dependence on SPMI along with MSM_SPMI.
Fix them.
* Add depends on ARCH_MSM. ARCH_MSM is used for internal builds.
Change the nodes in DTSI files to confirm to the modified drivers.
Update their binding docs to drop spmi-dev-container and
spmi-slave-container;
Finally update defconfig to use upstream SPMI.
Change-Id: Ic85bff27c09c84b152cb38acbc3cadd05c0ec57a
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
This snapshot is taken as of msm-3.18 commit
9da4ddc (Merge "clk: msm: clock-gcc: Associate gfx rail
voting with gfx3d branch")
Change-Id: Idd2f467f1f1863a156d1757589dfe78158f0e43f
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
This just caused build errors:
warning: (QCOM_SPMI_TEMP_ALARM) selects REGMAP_SPMI which has unmet direct dependencies (SPMI)
drivers/built-in.o: In function `regmap_spmi_ext_gather_write':
:(.text+0x609b0): undefined reference to `spmi_ext_register_write'
:(.text+0x609f0): undefined reference to `spmi_ext_register_writel'
While it's generally a good idea to allow compile testing, in this
case, it just doesn't work, so reverting the patch that
introduced the compile-test variant seems the most appropriate
solution.
Note that SPMI also has a 'depends on ARCH_QCOM || COMPILE_TEST'
statement, so we should be able to enable SPMI on all architectures
for compile testing already.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: cb7fb4d342 ("thermal: qcom_spmi: allow compile test")
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Add a generic thermal cooling device for devfreq, that is similar to
cpu_cooling.
The device must use devfreq. In order to use the power extension of the
cooling device, it must have registered its OPPs using the OPP library.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Ørjan Eide <orjan.eide@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
After the commit "thermal: core: Add Kconfig option to enable writable
trips", by default the trips are read only. This cause user space thermal
controllers to poll for temperature as they can't set temperature
thresholds for getting a notification via uevents. These programs use RW
trip in a zone to register thresholds. Since we need to enable the new
config introduced by above commit to allow writable trips, selecting
CONFIG_THERMAL_WRITABLE_TRIP for x86 thermal drivers.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
This change adds a thermal driver for Wildcat Point platform controller
hub. This driver register PCH thermal sensor as a thermal zone and
associate critical and hot trips if present.
Signed-off-by: Tushar Dave <tushar.n.dave@intel.com>
Reviewed-by: Pandruvada, Srinivas <srinivas.pandruvada@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch adds the support for hisilicon thermal sensor, within
hisilicon SoC. there will register sensors for thermal framework
and use device tree to bind cooling device.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: kongxinwei <kong.kongxinwei@hisilicon.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
A previous version of this patch had a config for THERMAL_POWER_ACTOR
but it was dropped. Remove the select as it is not doing anything.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Reported-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Add a Kconfig option to allow system integrators to control whether
userspace tools can change trip temperatures. This option overrides
the thermal zone setup in the driver code and must be enabled for
platform specified writable trips to come into effect.
The original behaviour of requiring root privileges to change trip
temperatures remains unchanged.
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
The power allocator governor is a thermal governor that controls system
and device power allocation to control temperature. Conceptually, the
implementation divides the sustainable power of a thermal zone among
all the heat sources in that zone.
This governor relies on "power actors", entities that represent heat
sources. They can report current and maximum power consumption and
can set a given maximum power consumption, usually via a cooling
device.
The governor uses a Proportional Integral Derivative (PID) controller
driven by the temperature of the thermal zone. The output of the
controller is a power budget that is then allocated to each power
actor that can have bearing on the temperature we are trying to
control. It decides how much power to give each cooling device based
on the performance they are requesting. The PID controller ensures
that the total power budget does not exceed the control temperature.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Add support for the temperature alarm peripheral found inside
Qualcomm plug-and-play (QPNP) PMIC chips. The temperature alarm
peripheral outputs a pulse on an interrupt line whenever the
thermal over temperature stage value changes.
Register a thermal sensor. The temperature reported by this thermal
sensor device should reflect the actual PMIC die temperature if an
ADC is present on the given PMIC. If no ADC is present, then the
reported temperature should be estimated from the over temperature
stage value.
Cc: David Collins <collinsd@codeaurora.org>
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
In Intel Quark SoC X1000, there is one on-die digital temperature sensor(DTS).
The DTS offers both hot & critical trip points.
However, in current distribution of UEFI BIOS for Quark platform, only
critical trip point is configured to be 105 degree Celsius (based on Quark
SW ver1.0.1 and hot trip point is not used due to lack of IRQ.
There is no active cooling device for Quark SoC, so Quark SoC thermal
management logic expects Linux distro to orderly power-off when temperature
of the DTS exceeds the configured critical trip point.
Kernel param "polling_delay" in milliseconds is used to control the frequency
the DTS temperature is read by thermal framework. It defaults to 2-second.
To change it, use kernel boot param "intel_quark_dts_thermal.polling_delay=X".
User interacts with Quark SoC DTS thermal driver through sysfs via:
/sys/class/thermal/thermal_zone0/
For example:
- to read DTS temperature
$ cat temp
- to read critical trip point
$ cat trip_point_0_temp
- to read trip point type
$ cat trip_point_0_type
- to emulate temperature raise to test orderly shutdown by Linux distro
$ echo 105 > emul_temp
Tested-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Reviewed-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Reviewed-by: Kweh, Hock Leong <hock.leong.kweh@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Support two auxiliary DTS present on Braswell platform using side band
IOSF interface. This supports two read write trips, which can be used
to get notification on trip violation.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
There is no change in functionality but using the common IOSF core APIs.
This driver is now just responsible for enumeration and call relevant
API to create thermal zone and register critical trip.
Also cpuid 0x4c is now handled in the int340x processor thermal driver
with the same functionality.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
This is becoming a common feature for Intel SoCs to expose the additional
digital temperature sensors (DTSs) using side band interface (IOSF). This
change remove common IOSF DTS handler function from the existing driver
intel_soc_dts_thermal.c and creates a stand alone module, which can
be selected from the SoC specific drivers. In this way there is less
code duplication.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Thermal is TS-ADC Controller module supports
user-defined mode and automatic mode.
User-defined mode refers,TSADC all the control signals entirely by
software writing to register for direct control.
Automaic mode refers to the module automatically poll TSADC output,
and the results were checked.If you find that the temperature High
in a period of time,an interrupt is generated to the processor
down-measures taken;If the temperature over a period of time High,
the resulting TSHUT gave CRU module,let it reset the entire chip,
or via GPIO give PMIC.
Signed-off-by: zhaoyifeng <zyf@rock-chips.com>
Signed-off-by: Caesar Wang <caesar.wang@rock-chips.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This adds support for the Tegra SOCTHERM thermal sensing and management
system found in the Tegra124 system-on-chip. This initial driver supports
temperature polling for four thermal zones.
Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This patch introduces a new thermal cooling device based on common clock
framework. The original motivation to write this cooling device is to be
able to cool down thermal zones using clocks that feed co-processors, such
as GPUs, DSPs, Image Processing Co-processors, etc. But it is written
in a way that it can be used on top of any clock.
The implementation is pretty straight forward. The code creates
a thermal cooling device based on a pair of a struct device and a clock name.
The struct device is assumed to be usable by the OPP layer. The OPP layer
is used as source of the list of possible frequencies. The (cpufreq) frequency
table is then used as a map from frequencies to cooling states. Cooling
states are indexes to the frequency table.
The logic sits on top of common clock framework, specifically on clock
pre notifications. Any PRE_RATE_CHANGE is hijacked, and the transition is
only allowed when the new rate is within the thermal limit (cooling state -> freq).
When a thermal cooling device state transition is requested, the clock
is also checked to verify if the current clock rate is within the new
thermal limit.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Nishanth Menon <nm@ti.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Len Brown <len.brown@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-pm@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Pull thermal management updates from Zhang Rui:
"Sorry that I missed the merge window as there is a bug found in the
last minute, and I have to fix it and wait for the code to be tested
in linux-next tree for a few days. Now the buggy patch has been
dropped entirely from my next branch. Thus I hope those changes can
still be merged in 3.18-rc2 as most of them are platform thermal
driver changes.
Specifics:
- introduce ACPI INT340X thermal drivers.
Newer laptops and tablets may have thermal sensors and other
devices with thermal control capabilities that are exposed for the
OS to use via the ACPI INT340x device objects. Several drivers are
introduced to expose the temperature information and cooling
ability from these objects to user-space via the normal thermal
framework.
From: Lu Aaron, Lan Tianyu, Jacob Pan and Zhang Rui.
- introduce a new thermal governor, which just uses a hysteresis to
switch abruptly on/off a cooling device. This governor can be used
to control certain fan devices that can not be throttled but just
switched on or off. From: Peter Feuerer.
- introduce support for some new thermal interrupt functions on
i.MX6SX, in IMX thermal driver. From: Anson, Huang.
- introduce tracing support on thermal framework. From: Punit
Agrawal.
- small fixes in OF thermal and thermal step_wise governor"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (25 commits)
Thermal: int340x thermal: select ACPI fan driver
Thermal: int3400_thermal: use acpi_thermal_rel parsing APIs
Thermal: int340x_thermal: expose acpi thermal relationship tables
Thermal: introduce int3403 thermal driver
Thermal: introduce INT3402 thermal driver
Thermal: move the KELVIN_TO_MILLICELSIUS macro to thermal.h
ACPI / Fan: support INT3404 thermal device
ACPI / Fan: add ACPI 4.0 style fan support
ACPI / fan: convert to platform driver
ACPI / fan: use acpi_device_xxx_power instead of acpi_bus equivelant
ACPI / fan: remove no need check for device pointer
ACPI / fan: remove unused macro
Thermal: int3400 thermal: register to thermal framework
Thermal: int3400 thermal: add capability to detect supporting UUIDs
Thermal: introduce int3400 thermal driver
ACPI: add ACPI_TYPE_LOCAL_REFERENCE support to acpi_extract_package()
ACPI: make acpi_create_platform_device() an external API
thermal: step_wise: fix: Prevent from binary overflow when trend is dropping
ACPI: introduce ACPI int340x thermal scan handler
thermal: Added Bang-bang thermal governor
...
we share the same driver for both ACPI predefined Fan device
and INT3404 Fan device, thus we should select the ACPI Fan
driver when int340x thermal drivers are enabeld.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
ACPI 4.0 introduced two thermal relationship tables via _ART
(active cooling) and _TRT (passive cooling) objects. These
tables contain many to many relationships among thermal sensors
and cooling devices.
This patch parses _ART and _TRT and makes the result available to
the userspace via an misc device interface. At the same time,
kernel drivers can also request parsing results from internal
kernel APIs.
The results include source and target devices, influence, and
sampling rate in case of _TRT. For _ART, the result shows source
device, target device, and weight percentage.
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
ACPI INT3403 device object can be used to retrieve temperature date
from temperature sensors present in the system, and to expose
device' performance control.
The previous INT3403 thermal driver supports temperature reporting only,
thus remove it and introduce this new & enhanced one.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Introduce int3400 thermal driver. And make INT3400 driver
enumerate the other int340x thermal components shown in _ART/_TRT.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Newer laptops and tablets that use ACPI may have thermal sensors and
other devices with thermal control capabilities outside the core CPU/SOC,
for thermal safety reasons.
They are exposed for the OS to use via
1) INT3400 ACPI device object as the master.
2) INT3401 ~ INT340B ACPI device objects as the slaves.
This patch introduces a scan handler to enumerate the INT3400
ACPI device object to platform bus, and prevent its slaves
from being enumerated before the controller driver being probed.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
mach-kirkwood has been removed, now that kirkwood lives in mach-mvebu.
Depend on MACH_KIRKWOOD, which will be set when kirkwood is built as
part of ARCH_MVEBU.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: linux-pm@vger.kernel.org
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Link: https://lkml.kernel.org/r/1409417172-6846-4-git-send-email-andrew@lunn.ch
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The bang-bang thermal governor uses a hysteresis to switch abruptly on
or off a cooling device. It is intended to control fans, which can
not be throttled but just switched on or off.
Bang-bang cannot be set as default governor as it is intended for
special devices only. For those special devices the driver needs to
explicitely request it.
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Andreas Mohr <andi@lisas.de>
Cc: Borislav Petkov <bp@suse.de>
Cc: Javi Merino <javi.merino@arm.com>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Peter Feuerer <peter@piie.net>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
DT-enabled Dove has moved from ARCH_DOVE in mach-dove to MACH_DOVE
in mach-mvebu. As non-DT ARCH_DOVE will stay to rot for a while, add a new
DT-only MACH_DOVE to thermal Kconfig.
This was originally supposed to go in via "ARM: dove: prepare new Dove DT Kconfig"
patch from Sebastian Hesselbarth for 3.15, but slipped through the cracks.
I've tested on CuBox that without this patch you can't compile
dove_thermal into a mach-mvebu based kernel, and with this patch I can
build the driver and it works as expected run-time.
v2: non-ascii char creeped in somehow
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This core is shared by both ST's 'memory mapped' and
'system configuration register' based Thermal controllers.
Signed-off-by: Ajit Pal Singh <ajitpal.singh@st.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
