diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-30 15:21:02 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-30 15:21:02 -0700 |
commit | 3ed1c478eff8db80e234d5446cb378b503135888 (patch) | |
tree | e1c8e0f488ca49c49b5a31fe59add4254381dd4b /drivers/cpufreq/arm_big_little.h | |
parent | 151173e8ce9b95bbbbd7eedb9035cfaffbdb7cb2 (diff) | |
parent | 371deb9500831ad1afbf9ea00e373f650deaed2f (diff) |
Merge tag 'pm+acpi-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI updates from Rafael J Wysocki:
- ARM big.LITTLE cpufreq driver from Viresh Kumar.
- exynos5440 cpufreq driver from Amit Daniel Kachhap.
- cpufreq core cleanup and code consolidation from Viresh Kumar and
Stratos Karafotis.
- cpufreq scalability improvement from Nathan Zimmer.
- AMD "frequency sensitivity feedback" powersave bias for the ondemand
cpufreq governor from Jacob Shin.
- cpuidle code consolidation and cleanups from Daniel Lezcano.
- ARM OMAP cpuidle fixes from Santosh Shilimkar and Daniel Lezcano.
- ACPICA fixes and other improvements from Bob Moore, Jung-uk Kim, Lv
Zheng, Yinghai Lu, Tang Chen, Colin Ian King, and Linn Crosetto.
- ACPI core updates related to hotplug from Toshi Kani, Paul Bolle,
Yasuaki Ishimatsu, and Rafael J Wysocki.
- Intel Lynxpoint LPSS (Low-Power Subsystem) support improvements from
Rafael J Wysocki and Andy Shevchenko.
* tag 'pm+acpi-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (192 commits)
cpufreq: Revert incorrect commit 5800043
cpufreq: MAINTAINERS: Add co-maintainer
cpuidle: add maintainer entry
ACPI / thermal: do not always return THERMAL_TREND_RAISING for active trip points
ARM: s3c64xx: cpuidle: use init/exit common routine
cpufreq: pxa2xx: initialize variables
ACPI: video: correct acpi_video_bus_add error processing
SH: cpuidle: use init/exit common routine
ARM: S5pv210: compiling issue, ARM_S5PV210_CPUFREQ needs CONFIG_CPU_FREQ_TABLE=y
ACPI: Fix wrong parameter passed to memblock_reserve
cpuidle: fix comment format
pnp: use %*phC to dump small buffers
isapnp: remove debug leftovers
ARM: imx: cpuidle: use init/exit common routine
ARM: davinci: cpuidle: use init/exit common routine
ARM: kirkwood: cpuidle: use init/exit common routine
ARM: calxeda: cpuidle: use init/exit common routine
ARM: tegra: cpuidle: use init/exit common routine for tegra3
ARM: tegra: cpuidle: use init/exit common routine for tegra2
ARM: OMAP4: cpuidle: use init/exit common routine
...
Diffstat (limited to 'drivers/cpufreq/arm_big_little.h')
-rw-r--r-- | drivers/cpufreq/arm_big_little.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/cpufreq/arm_big_little.h b/drivers/cpufreq/arm_big_little.h new file mode 100644 index 00000000000..70f18fc12d4 --- /dev/null +++ b/drivers/cpufreq/arm_big_little.h @@ -0,0 +1,40 @@ +/* + * ARM big.LITTLE platform's CPUFreq header file + * + * Copyright (C) 2013 ARM Ltd. + * Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com> + * + * Copyright (C) 2013 Linaro. + * Viresh Kumar <viresh.kumar@linaro.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#ifndef CPUFREQ_ARM_BIG_LITTLE_H +#define CPUFREQ_ARM_BIG_LITTLE_H + +#include <linux/cpufreq.h> +#include <linux/device.h> +#include <linux/types.h> + +struct cpufreq_arm_bL_ops { + char name[CPUFREQ_NAME_LEN]; + int (*get_transition_latency)(struct device *cpu_dev); + + /* + * This must set opp table for cpu_dev in a similar way as done by + * of_init_opp_table(). + */ + int (*init_opp_table)(struct device *cpu_dev); +}; + +int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops); +void bL_cpufreq_unregister(struct cpufreq_arm_bL_ops *ops); + +#endif /* CPUFREQ_ARM_BIG_LITTLE_H */ |