diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-05-16 14:30:43 +0200 |
---|---|---|
committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-05-16 14:30:43 +0200 |
commit | c47b3bd0d3a18a93d62b91d2d02e3fe599805e6d (patch) | |
tree | e38ebf3593da76e6a63c47c979e3ebfec7b041c9 | |
parent | 29cff1844a340f27fa8b9a47adcee880dcc3ae6f (diff) | |
parent | 1aa7a6e2b8105f22a5f7d6def281f776459c95ba (diff) |
Merge branch 'pm-cpufreq'
* pm-cpufreq: (63 commits)
intel_pstate: Clean up get_target_pstate_use_performance()
intel_pstate: Use sample.core_avg_perf in get_avg_pstate()
intel_pstate: Clarify average performance computation
intel_pstate: Avoid unnecessary synchronize_sched() during initialization
cpufreq: schedutil: Make default depend on CONFIG_SMP
cpufreq: powernv: del_timer_sync when global and local pstate are equal
cpufreq: powernv: Move smp_call_function_any() out of irq safe block
intel_pstate: Clean up intel_pstate_get()
cpufreq: schedutil: Make it depend on CONFIG_SMP
cpufreq: governor: Fix handling of special cases in dbs_update()
cpufreq: intel_pstate: Ignore _PPC processing under HWP
cpufreq: arm_big_little: use generic OPP functions for {init, free}_opp_table
cpufreq: tango: Use generic platdev driver
cpufreq: Fix GOV_LIMITS handling for the userspace governor
cpufreq: mvebu: Move cpufreq code into drivers/cpufreq/
cpufreq: dt: Kill platform-data
mvebu: Use dev_pm_opp_set_sharing_cpus() to mark OPP tables as shared
cpufreq: dt: Identify cpu-sharing for platforms without operating-points-v2
cpufreq: governor: Change confusing struct field and variable names
cpufreq: intel_pstate: Enable PPC enforcement for servers
...
77 files changed, 2248 insertions, 1049 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 0b3de80ec8f6..52292b28b291 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1661,6 +1661,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. hwp_only Only load intel_pstate on systems which support hardware P state control (HWP) if available. + support_acpi_ppc + Enforce ACPI _PPC performance limits. If the Fixed ACPI + Description Table, specifies preferred power management + profile as "Enterprise Server" or "Performance Server", + then this feature is turned on by default. intremap= [X86-64, Intel-IOMMU] on enable Interrupt Remapping (default) diff --git a/MAINTAINERS b/MAINTAINERS index a727d9959ecd..ac6d27f95bed 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1322,6 +1322,7 @@ F: drivers/rtc/rtc-armada38x.c F: arch/arm/boot/dts/armada* F: arch/arm/boot/dts/kirkwood* F: arch/arm64/boot/dts/marvell/armada* +F: drivers/cpufreq/mvebu-cpufreq.c ARM/Marvell Berlin SoC support diff --git a/arch/arm/mach-berlin/berlin.c b/arch/arm/mach-berlin/berlin.c index 25d73870ccca..ac181c6797ee 100644 --- a/arch/arm/mach-berlin/berlin.c +++ b/arch/arm/mach-berlin/berlin.c @@ -18,11 +18,6 @@ #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> -static void __init berlin_init_late(void) -{ - platform_device_register_simple("cpufreq-dt", -1, NULL, 0); -} - static const char * const berlin_dt_compat[] = { "marvell,berlin", NULL, @@ -30,7 +25,6 @@ static const char * const berlin_dt_compat[] = { DT_MACHINE_START(BERLIN_DT, "Marvell Berlin") .dt_compat = berlin_dt_compat, - .init_late = berlin_init_late, /* * with DT probing for L2CCs, berlin_init_machine can be removed. * Note: 88DE3005 (Armada 1500-mini) uses pl310 l2cc diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index bbf51a46f772..4d3b056fd786 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -213,33 +213,6 @@ static void __init exynos_init_irq(void) exynos_map_pmu(); } -static const struct of_device_id exynos_cpufreq_matches[] = { - { .compatible = "samsung,exynos3250", .data = "cpufreq-dt" }, - { .compatible = "samsung,exynos4210", .data = "cpufreq-dt" }, - { .compatible = "samsung,exynos4212", .data = "cpufreq-dt" }, - { .compatible = "samsung,exynos4412", .data = "cpufreq-dt" }, - { .compatible = "samsung,exynos5250", .data = "cpufreq-dt" }, -#ifndef CONFIG_BL_SWITCHER - { .compatible = "samsung,exynos5420", .data = "cpufreq-dt" }, - { .compatible = "samsung,exynos5800", .data = "cpufreq-dt" }, -#endif - { /* sentinel */ } -}; - -static void __init exynos_cpufreq_init(void) -{ - struct device_node *root = of_find_node_by_path("/"); - const struct of_device_id *match; - - match = of_match_node(exynos_cpufreq_matches, root); - if (!match) { - platform_device_register_simple("exynos-cpufreq", -1, NULL, 0); - return; - } - - platform_device_register_simple(match->data, -1, NULL, 0); -} - static void __init exynos_dt_machine_init(void) { /* @@ -262,8 +235,6 @@ static void __init exynos_dt_machine_init(void) of_machine_is_compatible("samsung,exynos5250")) platform_device_register(&exynos_cpuidle); - exynos_cpufreq_init(); - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } diff --git a/arch/arm/mach-imx/imx27-dt.c b/arch/arm/mach-imx/imx27-dt.c index bd42d1bd10af..530a728c2acc 100644 --- a/arch/arm/mach-imx/imx27-dt.c +++ b/arch/arm/mach-imx/imx27-dt.c @@ -18,15 +18,6 @@ #include "common.h" #include "mx27.h" -static void __init imx27_dt_init(void) -{ - struct platform_device_info devinfo = { .name = "cpufreq-dt", }; - - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); - - platform_device_register_full(&devinfo); -} - static const char * const imx27_dt_board_compat[] __initconst = { "fsl,imx27", NULL @@ -36,6 +27,5 @@ DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)") .map_io = mx27_map_io, .init_early = imx27_init_early, .init_irq = mx27_init_irq, - .init_machine = imx27_dt_init, .dt_compat = imx27_dt_board_compat, MACHINE_END diff --git a/arch/arm/mach-imx/mach-imx51.c b/arch/arm/mach-imx/mach-imx51.c index 6883fbaf9484..10a82a4f1e58 100644 --- a/arch/arm/mach-imx/mach-imx51.c +++ b/arch/arm/mach-imx/mach-imx51.c @@ -50,13 +50,10 @@ static void __init imx51_ipu_mipi_setup(void) static void __init imx51_dt_init(void) { - struct platform_device_info devinfo = { .name = "cpufreq-dt", }; - imx51_ipu_mipi_setup(); imx_src_init(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); - platform_device_register_full(&devinfo); } static void __init imx51_init_late(void) diff --git a/arch/arm/mach-imx/mach-imx53.c b/arch/arm/mach-imx/mach-imx53.c index 86316a979297..18b5c5c136db 100644 --- a/arch/arm/mach-imx/mach-imx53.c +++ b/arch/arm/mach-imx/mach-imx53.c @@ -40,8 +40,6 @@ static void __init imx53_dt_init(void) static void __init imx53_init_late(void) { imx53_pm_init(); - - platform_device_register_simple("cpufreq-dt", -1, NULL, 0); } static const char * const imx53_dt_board_compat[] __initconst = { diff --git a/arch/arm/mach-imx/mach-imx7d.c b/arch/arm/mach-imx/mach-imx7d.c index 5a27f20c9a82..b450f525a670 100644 --- a/arch/arm/mach-imx/mach-imx7d.c +++ b/arch/arm/mach-imx/mach-imx7d.c @@ -105,11 +105,6 @@ static void __init imx7d_init_irq(void) irqchip_init(); } -static void __init imx7d_init_late(void) -{ - platform_device_register_simple("cpufreq-dt", -1, NULL, 0); -} - static const char *const imx7d_dt_compat[] __initconst = { "fsl,imx7d", NULL, @@ -117,7 +112,6 @@ static const char *const imx7d_dt_compat[] __initconst = { DT_MACHINE_START(IMX7D, "Freescale i.MX7 Dual (Device Tree)") .init_irq = imx7d_init_irq, - .init_late = imx7d_init_late, .init_machine = imx7d_init_machine, .dt_compat = imx7d_dt_compat, MACHINE_END diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c index ed8fda4cd055..b44442338e4e 100644 --- a/arch/arm/mach-mvebu/pmsu.c +++ b/arch/arm/mach-mvebu/pmsu.c @@ -20,7 +20,6 @@ #include <linux/clk.h> #include <linux/cpu_pm.h> -#include <linux/cpufreq-dt.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/io.h> @@ -29,7 +28,6 @@ #include <linux/of_address.h> #include <linux/of_device.h> #include <linux/platform_device.h> -#include <linux/pm_opp.h> #include <linux/resource.h> #include <linux/slab.h> #include <linux/smp.h> @@ -608,86 +606,3 @@ int mvebu_pmsu_dfs_request(int cpu) return 0; } - -struct cpufreq_dt_platform_data cpufreq_dt_pd = { - .independent_clocks = true, -}; - -static int __init armada_xp_pmsu_cpufreq_init(void) -{ - struct device_node *np; - struct resource res; - int ret, cpu; - - if (!of_machine_is_compatible("marvell,armadaxp")) - return 0; - - /* - * In order to have proper cpufreq handling, we need to ensure - * that the Device Tree description of the CPU clock includes - * the definition of the PMU DFS registers. If not, we do not - * register the clock notifier and the cpufreq driver. This - * piece of code is only for compatibility with old Device - * Trees. - */ - np = of_find_compatible_node(NULL, NULL, "marvell,armada-xp-cpu-clock"); - if (!np) - return 0; - - ret = of_address_to_resource(np, 1, &res); - if (ret) { - pr_warn(FW_WARN "not enabling cpufreq, deprecated armada-xp-cpu-clock binding\n"); - of_node_put(np); - return 0; - } - - of_node_put(np); - - /* - * For each CPU, this loop registers the operating points - * supported (which are the nominal CPU frequency and half of - * it), and registers the clock notifier that will take care - * of doing the PMSU part of a frequency transition. - */ - for_each_possible_cpu(cpu) { - struct device *cpu_dev; - struct clk *clk; - int ret; - - cpu_dev = get_cpu_device(cpu); - if (!cpu_dev) { - pr_err("Cannot get CPU %d\n", cpu); - continue; - } - - clk = clk_get(cpu_dev, 0); - if (IS_ERR(clk)) { - pr_err("Cannot get clock for CPU %d\n", cpu); - return PTR_ERR(clk); - } - - /* - * In case of a failure of dev_pm_opp_add(), we don't - * bother with cleaning up the registered OPP (there's - * no function to do so), and simply cancel the - * registration of the cpufreq device. - */ - ret = dev_pm_opp_add(cpu_dev, clk_get_rate(clk), 0); - if (ret) { - clk_put(clk); - return ret; - } - - ret = dev_pm_opp_add(cpu_dev, clk_get_rate(clk) / 2, 0); - if (ret) { - clk_put(clk); - return ret; - } - } - - platform_device_register_data(NULL, "cpufreq-dt", -1, - &cpufreq_dt_pd, sizeof(cpufreq_dt_pd)); - return 0; -} - -device_initcall(armada_xp_pmsu_cpufreq_init); diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 58920bc8807b..2f7b11da7d5d 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -277,13 +277,10 @@ static void __init omap4_init_voltages(void) static inline void omap_init_cpufreq(void) { - struct platform_device_info devinfo = { }; + struct platform_device_info devinfo = { .name = "omap-cpufreq" }; if (!of_have_populated_dt()) - devinfo.name = "omap-cpufreq"; - else - devinfo.name = "cpufreq-dt"; - platform_device_register_full(&devinfo); + platform_device_register_full(&devinfo); } static int __init omap2_common_pm_init(void) diff --git a/arch/arm/mach-rockchip/rockchip.c b/arch/arm/mach-rockchip/rockchip.c index 3f07cc5dfe5f..beb71da5d9c8 100644 --- a/arch/arm/mach-rockchip/rockchip.c +++ b/arch/arm/mach-rockchip/rockchip.c @@ -74,7 +74,6 @@ static void __init rockchip_dt_init(void) { rockchip_suspend_init(); of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); - platform_device_register_simple("cpufreq-dt", 0, NULL, 0); } static const char * const rockchip_board_dt_compat[] = { diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index a65c80ac9009..c9ea0e6ff4f9 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -38,7 +38,6 @@ smp-$(CONFIG_ARCH_EMEV2) += smp-emev2.o headsmp-scu.o platsmp-scu.o # PM objects obj-$(CONFIG_SUSPEND) += suspend.o -obj-$(CONFIG_CPU_FREQ) += cpufreq.o obj-$(CONFIG_PM_RCAR) += pm-rcar.o obj-$(CONFIG_PM_RMOBILE) += pm-rmobile.o obj-$(CONFIG_ARCH_RCAR_GEN2) += pm-rcar-gen2.o diff --git a/arch/arm/mach-shmobile/common.h b/arch/arm/mach-shmobile/common.h index 5464b7a75e30..3b562d87826d 100644 --- a/arch/arm/mach-shmobile/common.h +++ b/arch/arm/mach-shmobile/common.h @@ -25,16 +25,9 @@ static inline int shmobile_suspend_init(void) { return 0; } static inline void shmobile_smp_apmu_suspend_init(void) { } #endif -#ifdef CONFIG_CPU_FREQ -int shmobile_cpufreq_init(void); -#else -static inline int shmobile_cpufreq_init(void) { return 0; } -#endif - static inline void __init shmobile_init_late(void) { shmobile_suspend_init(); - shmobile_cpufreq_init(); } #endif /* __ARCH_MACH_COMMON_H */ diff --git a/arch/arm/mach-shmobile/cpufreq.c b/arch/arm/mach-shmobile/cpufreq.c deleted file mode 100644 index 634d701c56a7..000000000000 --- a/arch/arm/mach-shmobile/cpufreq.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * CPUFreq support code for SH-Mobile ARM - * - * Copyright (C) 2014 Gaku Inami - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#include <linux/platform_device.h> - -#include "common.h" - -int __init shmobile_cpufreq_init(void) -{ - platform_device_register_simple("cpufreq-dt", -1, NULL, 0); - return 0; -} diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c index 3c156190a1d4..95dca8c2c9ed 100644 --- a/arch/arm/mach-sunxi/sunxi.c +++ b/arch/arm/mach-sunxi/sunxi.c @@ -17,11 +17,6 @@ #include <asm/mach/arch.h> -static void __init sunxi_dt_cpufreq_init(void) -{ - platform_device_register_simple("cpufreq-dt", -1, NULL, 0); -} - static const char * const sunxi_board_dt_compat[] = { "allwinner,sun4i-a10", "allwinner,sun5i-a10s", @@ -32,7 +27,6 @@ static const char * const sunxi_board_dt_compat[] = { DT_MACHINE_START(SUNXI_DT, "Allwinner sun4i/sun5i Families") .dt_compat = sunxi_board_dt_compat, - .init_late = sunxi_dt_cpufreq_init, MACHINE_END static const char * const sun6i_board_dt_compat[] = { @@ -53,7 +47,6 @@ static void __init sun6i_timer_init(void) DT_MACHINE_START(SUN6I_DT, "Allwinner sun6i (A31) Family") .init_time = sun6i_timer_init, .dt_compat = sun6i_board_dt_compat, - .init_late = sunxi_dt_cpufreq_init, MACHINE_END static const char * const sun7i_board_dt_compat[] = { @@ -63,7 +56,6 @@ static const char * const sun7i_board_dt_compat[] = { DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family") .dt_compat = sun7i_board_dt_compat, - .init_late = sunxi_dt_cpufreq_init, MACHINE_END static const char * const sun8i_board_dt_compat[] = { @@ -77,7 +69,6 @@ static const char * const sun8i_board_dt_compat[] = { DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i Family") .init_time = sun6i_timer_init, .dt_compat = sun8i_board_dt_compat, - .init_late = sunxi_dt_cpufreq_init, MACHINE_END static const char * const sun9i_board_dt_compat[] = { diff --git a/arch/arm/mach-zynq/common.c b/arch/arm/mach-zynq/common.c index 860ffb663f02..da876d28ccbc 100644 --- a/arch/arm/mach-zynq/common.c +++ b/arch/arm/mach-zynq/common.c @@ -110,7 +110,6 @@ static void __init zynq_init_late(void) */ static void __init zynq_init_machine(void) { - struct platform_device_info devinfo = { .name = "cpufreq-dt", }; struct soc_device_attribute *soc_dev_attr; struct soc_device *soc_dev; struct device *parent = NULL; @@ -145,7 +144,6 @@ out: of_platform_populate(NULL, of_default_bus_match_table, NULL, parent); platform_device_register(&zynq_cpuidle_device); - platform_device_register_full(&devinfo); } static void __init zynq_timer_init(void) diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig index a7f45853c103..b |