kernel/git/stable/linux.git/drivers/cpufreq/exynos-cpufreq.c, branch master

cpufreq: exynos: remove Exynos4x12 specific cpufreq driver support

2015-08-13T17:01:42+00:00

Exynos4x12 based platforms have switched over to use generic cpufreq driver for cpufreq functionality. So the Exynos specific cpufreq support for these platforms can be removed. Also once Exynos4x12 based platforms support have been removed the shared exynos-cpufreq driver is no longer needed and can be deleted. Based on the earlier work by Thomas Abraham. Cc: Viresh Kumar Cc: Thomas Abraham Reviewed-by: Javier Martinez Canillas Reviewed-by: Krzysztof Kozlowski Acked-by: Viresh Kumar Tested-by: Tobias Jakobi Signed-off-by: Bartlomiej Zolnierkiewicz Tested-by: Krzysztof Kozlowski Signed-off-by: Kukjin Kim

cpufreq: exynos: remove exynos5250 specific cpufreq driver support

2015-07-24T03:16:12+00:00

Exynos5250 based platforms have switched over to use generic cpufreq driver for cpufreq functionality. So the Exynos specific cpufreq support for these platforms can be removed. Cc: Thomas Abraham Signed-off-by: Bartlomiej Zolnierkiewicz Reviewed-by: Javier Martinez Canillas Tested-by: Javier Martinez Canillas Acked-by: Viresh Kumar [k.kozlowski: Rebased the patch around exynos-cpufreq.c] Signed-off-by: Krzysztof Kozlowski Signed-off-by: Kukjin Kim

Merge tag 'module-implicit-v4.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux

2015-07-02T17:25:22+00:00

Pull implicit module.h fixes from Paul Gortmaker: "Fix up implicit users that will break later. The files changed here are simply modular source files that are implicitly relying on being present. We fix them up now, so that we can decouple some of the module related init code from the core init code in the future. The addition of the module.h include to several files here is also a no-op from a code generation point of view, else there would already be compile issues with these files today. There may be lots more implicit includes of in tree, but these are the ones that extensive build test coverage has shown that must be fixed in order to avoid build breakage fallout for the pending module.h <---> init.h code relocation we desire to complete" * tag 'module-implicit-v4.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: frv: add module.h to mb93090-mb00/flash.c to avoid compile fail drivers/cpufreq: include for modular exynos-cpufreq.c code drivers/staging: include for modular android tegra_ion code crypto/asymmetric_keys: pkcs7_key_type needs module.h sh: mach-highlander/psw.c is tristate and should use module.h drivers/regulator: include for modular max77802 code drivers/pcmcia: include for modular xxs1500_ss code drivers/hsi: include for modular omap_ssi code drivers/gpu: include for modular rockchip code drivers/gpio: include for modular crystalcove code drivers/clk: include for clk-max77xxx modular code

cpufreq: exynos: remove Exynos4210 specific cpufreq driver support

2015-06-20T19:17:44+00:00

Exynos4210 based platforms have switched over to use generic cpufreq driver for cpufreq functionality. So the Exynos specific cpufreq support for these platforms can be removed. Changes by Bartlomiej: - dropped Exynos5250 support removal for now - updated exynos-cpufreq.[c,h] Cc: Javier Martinez Canillas Acked-by: Viresh Kumar Signed-off-by: Thomas Abraham Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Michael Turquette

drivers/cpufreq: include for modular exynos-cpufreq.c code

2015-06-16T18:12:26+00:00

This file is built off of a tristate Kconfig option ("ARM_EXYNOS_CPUFREQ") and also contains modular function calls so it should explicitly include module.h to avoid compile breakage during pending header shuffles. Cc: "Rafael J. Wysocki" Cc: Viresh Kumar Acked-by: Viresh Kumar Cc: Kukjin Kim Cc: Krzysztof Kozlowski Acked-by: Krzysztof Kozlowski Cc: linux-pm@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Signed-off-by: Paul Gortmaker

cpufreq: exynos: Use simple approach to asses if cpu cooling can be used

2015-03-02T09:04:52+00:00

Commit: e725d26c4857e5e41975b5e74e64ce6ab09a7121 provided possibility to use device tree to asses if cpu can be used as cooling device. Since the code was somewhat awkward, simpler approach has been proposed. Test HW: Exynos 4412 - Odroid U3. Suggested-by: Viresh Kumar Signed-off-by: Lukasz Majewski Acked-by: Viresh Kumar

cpufreq: exynos: Use device tree to determine if cpufreq cooling should be registered

2015-01-24T21:33:14+00:00

With thermal subsystem rework it is necessary to tune current cpufreq code to use cpu frequency change as a potential cooling device. Now the cpu cooling device is registered only when proper nodes and properties are available in device tree. Lack of them, however, will not prevent cpufreq for normal operation. Signed-off-by: Lukasz Majewski Signed-off-by: Eduardo Valentin

cpufreq: drop owner assignment from platform_drivers

2014-10-20T14:20:24+00:00

A platform_driver does not need to set an owner, it will be populated by the driver core. Signed-off-by: Wolfram Sang

Merge tag 'pm+acpi-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm into next

2014-06-04T15:57:16+00:00

Pull ACPI and power management updates from Rafael Wysocki: "ACPICA is the leader this time (63 commits), followed by cpufreq (28 commits), devfreq (15 commits), system suspend/hibernation (12 commits), ACPI video and ACPI device enumeration (10 commits each). We have no major new features this time, but there are a few significant changes of how things work. The most visible one will probably be that we are now going to create platform devices rather than PNP devices by default for ACPI device objects with _HID. That was long overdue and will be really necessary to be able to use the same drivers for the same hardware blocks on ACPI and DT-based systems going forward. We're not expecting fallout from this one (as usual), but it's something to watch nevertheless. The second change having a chance to be visible is that ACPI video will now default to using native backlight rather than the ACPI backlight interface which should generally help systems with broken Win8 BIOSes. We're hoping that all problems with the native backlight handling that we had previously have been addressed and we are in a good enough shape to flip the default, but this change should be easy enough to revert if need be. In addition to that, the system suspend core has a new mechanism to allow runtime-suspended devices to stay suspended throughout system suspend/resume transitions if some extra conditions are met (generally, they are related to coordination within device hierarchy). However, enabling this feature requires cooperation from the bus type layer and for now it has only been implemented for the ACPI PM domain (used by ACPI-enumerated platform devices mostly today). Also, the acpidump utility that was previously shipped as a separate tool will now be provided by the upstream ACPICA along with the rest of ACPICA code, which will allow it to be more up to date and better supported, and we have one new cpuidle driver (ARM clps711x). The rest is improvements related to certain specific use cases, cleanups and fixes all over the place. Specifics: - ACPICA update to upstream version 20140424. That includes a number of fixes and improvements related to things like GPE handling, table loading, headers, memory mapping and unmapping, DSDT/SSDT overriding, and the Unload() operator. The acpidump utility from upstream ACPICA is included too. From Bob Moore, Lv Zheng, David Box, David Binderman, and Colin Ian King. - Fixes and cleanups related to ACPI video and backlight interfaces from Hans de Goede. That includes blacklist entries for some new machines and using native backlight by default. - ACPI device enumeration changes to create platform devices rather than PNP devices for ACPI device objects with _HID by default. PNP devices will still be created for the ACPI device object with device IDs corresponding to real PNP devices, so that change should not break things left and right, and we're expecting to see more and more ACPI-enumerated platform devices in the future. From Zhang Rui and Rafael J Wysocki. - Updates for the ACPI LPSS (Low-Power Subsystem) driver allowing it to handle system suspend/resume on Asus T100 correctly. From Heikki Krogerus and Rafael J Wysocki. - PM core update introducing a mechanism to allow runtime-suspended devices to stay suspended over system suspend/resume transitions if certain additional conditions related to coordination within device hierarchy are met. Related PM documentation update and ACPI PM domain support for the new feature. From Rafael J Wysocki. - Fixes and improvements related to the "freeze" sleep state. They affect several places including cpuidle, PM core, ACPI core, and the ACPI battery driver. From Rafael J Wysocki and Zhang Rui. - Miscellaneous fixes and updates of the ACPI core from Aaron Lu, Bjørn Mork, Hanjun Guo, Lan Tianyu, and Rafael J Wysocki. - Fixes and cleanups for the ACPI processor and ACPI PAD (Processor Aggregator Device) drivers from Baoquan He, Manuel Schölling, Tony Camuso, and Toshi Kani. - System suspend/resume optimization in the ACPI battery driver from Lan Tianyu. - OPP (Operating Performance Points) subsystem updates from Chander Kashyap, Mark Brown, and Nishanth Menon. - cpufreq core fixes, updates and cleanups from Srivatsa S Bhat, Stratos Karafotis, and Viresh Kumar. - Updates, fixes and cleanups for the Tegra, powernow-k8, imx6q, s5pv210, nforce2, and powernv cpufreq drivers from Brian Norris, Jingoo Han, Paul Bolle, Philipp Zabel, Stratos Karafotis, and Viresh Kumar. - intel_pstate driver fixes and cleanups from Dirk Brandewie, Doug Smythies, and Stratos Karafotis. - Enabling the big.LITTLE cpufreq driver on arm64 from Mark Brown. - Fix for the cpuidle menu governor from Chander Kashyap. - New ARM clps711x cpuidle driver from Alexander Shiyan. - Hibernate core fixes and cleanups from Chen Gang, Dan Carpenter, Fabian Frederick, Pali Rohár, and Sebastian Capella. - Intel RAPL (Running Average Power Limit) driver updates from Jacob Pan. - PNP subsystem updates from Bjorn Helgaas and Fabian Frederick. - devfreq core updates from Chanwoo Choi and Paul Bolle. - devfreq updates for exynos4 and exynos5 from Chanwoo Choi and Bartlomiej Zolnierkiewicz. - turbostat tool fix from Jean Delvare. - cpupower tool updates from Prarit Bhargava, Ramkumar Ramachandra and Thomas Renninger. - New ACPI ec_access.c tool for poking at the EC in a safe way from Thomas Renninger" * tag 'pm+acpi-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (187 commits) ACPICA: Namespace: Remove _PRP method support. intel_pstate: Improve initial busy calculation intel_pstate: add sample time scaling intel_pstate: Correct rounding in busy calculation intel_pstate: Remove C0 tracking PM / hibernate: fixed typo in comment ACPI: Fix x86 regression related to early mapping size limitation ACPICA: Tables: Add mechanism to control early table checksum verification. ACPI / scan: use platform bus type by default for _HID enumeration ACPI / scan: always register ACPI LPSS scan handler ACPI / scan: always register memory hotplug scan handler ACPI / scan: always register container scan handler ACPI / scan: Change the meaning of missing .attach() in scan handlers ACPI / scan: introduce platform_id device PNP type flag ACPI / scan: drop unsupported serial IDs from PNP ACPI scan handler ID list ACPI / scan: drop IDs that do not comply with the ACPI PNP ID rule ACPI / PNP: use device ID list for PNPACPI device enumeration ACPI / scan: .match() callback for ACPI scan handlers ACPI / battery: wakeup the system only when necessary power_supply: allow power supply devices registered w/o wakeup source ...

cpufreq: exynos: Fix driver compilation with ARCH_MULTIPLATFORM

2014-05-30T18:00:25+00:00

Currently Exynos cpufreq drivers rely on globally mapped clock controller registers to configure frequency of CPU cores. This is obviously wrong and will be removed in near future, but to enable support for multi-platform builds without introducing a regression it needs to be worked around. This patch hacks the code to look for clock controller node in device tree and map its registers using of_iomap(), instead of relying on global mapping, so dependencies on platform headers are removed and the driver can compile again with multiplatform support. Signed-off-by: Tomasz Figa Acked-by: Viresh Kumar Signed-off-by: Kukjin Kim