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/linux/tools/power/cpupower/utils/
H A Dcpufreq-set.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
25 {"max", required_argument, NULL, 'u'},
27 {"freq", required_argument, NULL, 'f'},
35 "- Do you have proper administration rights? (super-user?)\n" in print_error()
36 "- Is the governor you requested available and modprobed?\n" in print_error()
37 "- Trying to set an invalid policy?\n" in print_error()
38 "- Trying to set a specific frequency, but userspace governor is not available,\n" in print_error()
49 {"hz", -3},
68 unsigned long freq; in string_to_frequency() local
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H A Dcpufreq-info.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
39 value[LINE_LEN - 1] = '\0'; in count_cpus()
40 if (strlen(value) < (LINE_LEN - 2)) in count_cpus()
62 unsigned long min, max; in proc_cpufreq_output() local
64 printf(_(" minimum CPU frequency - maximum CPU frequency - governor\n")); in proc_cpufreq_output()
72 if (cpufreq_get_hardware_limits(cpu, &min, &max)) { in proc_cpufreq_output()
73 max = 0; in proc_cpufreq_output()
75 min_pctg = (policy->min * 100) / max; in proc_cpufreq_output()
76 max_pctg = (policy->max * 100) / max; in proc_cpufreq_output()
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/linux/samples/bpf/
H A Dsampleip_user.c1 // SPDX-License-Identifier: GPL-2.0-only
18 #include "perf-sys.h"
31 printf("USAGE: sampleip [-F freq] [duration]\n"); in usage()
32 printf(" -F freq # sample frequency (Hertz), default 99\n"); in usage()
36 static int sampling_start(int freq, struct bpf_program *prog, in sampling_start() argument
43 .freq = 1, in sampling_start()
44 .sample_period = freq, in sampling_start()
50 pmu_fd = sys_perf_event_open(&pe_sample_attr, -1 /* pid */, i, in sampling_start()
51 -1 /* group_fd */, 0 /* flags */); in sampling_start()
86 return ((struct ipcount *)p1)->count - ((struct ipcount *)p2)->count; in count_cmp()
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/linux/Documentation/devicetree/bindings/memory-controllers/ddr/
H A Djedec,lpddr2-timings.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/ddr/jedec,lpddr2-timings.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LPDDR2 SDRAM AC timing parameters for a given speed-bin
10 - Krzysztof Kozlowski <krzk@kernel.org>
14 const: jedec,lpddr2-timings
16 max-freq:
19 Maximum DDR clock frequency for the speed-bin, in Hz.
21 min-freq:
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H A Djedec,lpddr3-timings.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/ddr/jedec,lpddr3-timings.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LPDDR3 SDRAM AC timing parameters for a given speed-bin
10 - Krzysztof Kozlowski <krzk@kernel.org>
14 const: jedec,lpddr3-timings
19 Maximum DDR clock frequency for the speed-bin, in Hz.
20 Property is deprecated, use max-freq.
23 max-freq:
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/linux/Documentation/admin-guide/pm/
H A Dintel-speed-select.rst1 .. SPDX-License-Identifier: GPL-2.0
14 - https://www.intel.com/content/www/us/en/architecture-and-technology/speed-select-technology-artic…
15 - https://builders.intel.com/docs/networkbuilders/intel-speed-select-technology-base-frequency-enha…
19 dynamically without pre-configuring via BIOS setup options. This dynamic
29 intel-speed-select configuration tool
32 Most Linux distribution packages may include the "intel-speed-select" tool. If not,
38 # cd tools/power/x86/intel-speed-select/
43 ------------
47 # intel-speed-select --help
49 The top-level help describes arguments and features. Notice that there is a
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/linux/arch/arm/boot/dts/ti/omap/
H A Delpida_ecb240abacn.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 compatible = "elpida,ECB240ABACN","jedec,lpddr2-s4";
10 io-width = <32>;
12 tRPab-min-tck = <3>;
13 tRCD-min-tck = <3>;
14 tWR-min-tck = <3>;
15 tRASmin-min-tck = <3>;
16 tRRD-min-tck = <2>;
17 tWTR-min-tck = <2>;
18 tXP-min-tck = <2>;
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/linux/Documentation/devicetree/bindings/sound/
H A Datmel,sama5d2-pdmic.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/sound/atmel,sama5d2-pdmic.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Claudiu Beznea <claudiu.beznea@microchip.com>
20 const: atmel,sama5d2-pdmic
30 - description: peripheral clock
31 - description: generated clock
33 clock-names:
35 - const: pclk
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/linux/drivers/cpufreq/
H A Dcpufreq_userspace.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * (C) 2002 - 2004 Dominik Brodowski <linux@brodo.de>
25 * cpufreq_set - set the CPU frequency
26 * @policy: pointer to policy struct where freq is being set
27 * @freq: target frequency in kHz
29 * Sets the CPU frequency to freq.
31 static int cpufreq_set(struct cpufreq_policy *policy, unsigned int freq) in cpufreq_set() argument
33 int ret = -EINVAL; in cpufreq_set()
34 struct userspace_policy *userspace = policy->governor_data; in cpufreq_set()
36 pr_debug("cpufreq_set for cpu %u, freq %u kHz\n", policy->cpu, freq); in cpufreq_set()
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/linux/drivers/devfreq/
H A Dgovernor_simpleondemand.c1 // SPDX-License-Identifier: GPL-2.0-only
15 /* Default constants for DevFreq-Simple-Ondemand (DFSO) */
19 unsigned long *freq) in devfreq_simple_ondemand_func() argument
26 struct devfreq_simple_ondemand_data *data = df->data; in devfreq_simple_ondemand_func()
32 stat = &df->last_status; in devfreq_simple_ondemand_func()
35 if (data->upthreshold) in devfreq_simple_ondemand_func()
36 dfso_upthreshold = data->upthreshold; in devfreq_simple_ondemand_func()
37 if (data->downdifferential) in devfreq_simple_ondemand_func()
38 dfso_downdifferential = data->downdifferential; in devfreq_simple_ondemand_func()
42 return -EINVAL; in devfreq_simple_ondemand_func()
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/linux/drivers/crypto/intel/qat/qat_common/
H A Dadf_clock.c1 // SPDX-License-Identifier: GPL-2.0-only
58 delta_us = timespec_to_us(&ts2) - timespec_to_us(&ts1); in measure_clock()
59 } while (delta_us > MEASURE_CLOCK_DELTA_THRESHOLD_US && --tries); in measure_clock()
63 return -ETIMEDOUT; in measure_clock()
74 return -EIO; in measure_clock()
77 delta_us = timespec_to_us(&ts4) - timespec_to_us(&ts3); in measure_clock()
78 } while (delta_us > MEASURE_CLOCK_DELTA_THRESHOLD_US && --tries); in measure_clock()
82 return -ETIMEDOUT; in measure_clock()
85 delta_us = timespec_to_us(&ts3) - timespec_to_us(&ts1); in measure_clock()
87 return -EINVAL; in measure_clock()
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/linux/kernel/sched/
H A Dcpufreq_schedutil.c1 // SPDX-License-Identifier: GPL-2.0
3 * CPUFreq governor based on scheduler-provided CPU utilization data.
54 /* The field below is for single-CPU policies only: */
69 * Since cpufreq_update_util() is called with rq->lock held for in sugov_should_update_freq()
70 * the @target_cpu, our per-CPU data is fully serialized. in sugov_should_update_freq()
72 * However, drivers cannot in general deal with cross-CPU in sugov_should_update_freq()
83 if (!cpufreq_this_cpu_can_update(sg_policy->policy)) in sugov_should_update_freq()
86 if (unlikely(READ_ONCE(sg_policy->limits_changed))) { in sugov_should_update_freq()
87 WRITE_ONCE(sg_policy->limits_changed, false); in sugov_should_update_freq()
88 sg_policy->need_freq_update = true; in sugov_should_update_freq()
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/linux/drivers/sh/clk/
H A Dcore.c4 * Copyright (C) 2005 - 2010 Paul Mundt
8 * Copyright (C) 2004 - 2008 Nokia Corporation
46 unsigned long freq; in clk_rate_table_build() local
49 clk->nr_freqs = nr_freqs; in clk_rate_table_build()
55 if (src_table->divisors && i < src_table->nr_divisors) in clk_rate_table_build()
56 div = src_table->divisors[i]; in clk_rate_table_build()
58 if (src_table->multipliers && i < src_table->nr_multipliers) in clk_rate_table_build()
59 mult = src_table->multipliers[i]; in clk_rate_table_build()
62 freq = CPUFREQ_ENTRY_INVALID; in clk_rate_table_build()
64 freq = clk->parent->rate * mult / div; in clk_rate_table_build()
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/linux/arch/arm/boot/dts/samsung/
H A Dexynos5250-spring.dts1 // SPDX-License-Identifier: GPL-2.0
9 /dts-v1/;
10 #include <dt-bindings/clock/samsung,s2mps11.h>
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/input/input.h>
19 chassis-type = "laptop";
33 stdout-path = "serial3:115200n8";
36 gpio-keys {
37 compatible = "gpio-keys";
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H A Dexynos5250-snow-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/gpio/gpio.h>
9 #include <dt-bindings/clock/maxim,max77686.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/sound/samsung-i2s.h>
30 stdout-path = "serial3:115200n8";
33 gpio-keys {
34 compatible = "gpio-keys";
35 pinctrl-names = "default";
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/linux/drivers/media/tuners/
H A Dtda18271-common.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 tda18271-common.c - driver for the Philips / NXP TDA18271 silicon tuner
9 #include "tda18271-priv.h"
13 struct tda18271_priv *priv = fe->tuner_priv; in tda18271_i2c_gate_ctrl()
17 switch (priv->gate) { in tda18271_i2c_gate_ctrl()
20 gate = priv->gate; in tda18271_i2c_gate_ctrl()
24 switch (priv->mode) { in tda18271_i2c_gate_ctrl()
37 if (fe->ops.analog_ops.i2c_gate_ctrl) in tda18271_i2c_gate_ctrl()
38 ret = fe->ops.analog_ops.i2c_gate_ctrl(fe, enable); in tda18271_i2c_gate_ctrl()
41 if (fe->ops.i2c_gate_ctrl) in tda18271_i2c_gate_ctrl()
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/linux/drivers/thermal/
H A Dcpufreq_cooling.c1 // SPDX-License-Identifier: GPL-2.0
7 * Copyright (C) 2012-2018 Linaro Limited.
29 * Cooling state <-> CPUFreq frequency
37 * level 0 --> 1st Max Freq
38 * level 1 --> 2nd Max Freq
43 * struct time_in_idle - Idle time stats
53 * struct cpufreq_cooling_device - data for cooling device with cpufreq
85 * @freq: Frequency
90 unsigned int freq) in get_level() argument
96 table = em_perf_state_from_pd(cpufreq_cdev->em); in get_level()
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/linux/tools/power/cpupower/po/
H A Dfr.po9 "Project-Id-Version: cpufrequtils 0.1-pre2\n"
10 "Report-Msgid-Bugs-To: \n"
11 "POT-Creation-Date: 2011-03-08 17:03+0100\n"
12 "PO-Revision-Date: 2004-11-17 15:53+1000\n"
13 "Last-Translator: Bruno Ducrot <ducrot@poupinou.org>\n"
14 "Language-Team: NONE\n"
16 "MIME-Version: 1.0\n"
17 "Content-Type: text/plain; charset=ISO-8859-1\n"
18 "Content-Transfer-Encoding: 8bit\n"
72 #: utils/idle_monitor/cpupower-monitor.c:66
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H A Dde.po3 # Copyright (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.net>
8 "Project-Id-Version: cpufrequtils 006\n"
9 "Report-Msgid-Bugs-To: \n"
10 "POT-Creation-Date: 2011-03-08 17:03+0100\n"
11 "PO-Revision-Date: 2019-06-02 15:23+0200\n"
12 "Last-Translator: Benjamin Weis <benjamin.weis@gmx.com>\n"
13 "Language-Team: NONE\n"
15 "MIME-Version: 1.0\n"
16 "Content-Type: text/plain; charset=UTF-8\n"
17 "Content-Transfer-Encoding: 8bit\n"
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H A Dcs.po10 "Project-Id-Version: cs\n"
11 "Report-Msgid-Bugs-To: \n"
12 "POT-Creation-Date: 2011-03-08 17:03+0100\n"
13 "PO-Revision-Date: 2008-06-11 16:26+0200\n"
14 "Last-Translator: Karel Volný <kavol@seznam.cz>\n"
15 "Language-Team: Czech <diskuze@lists.l10n.cz>\n"
17 "MIME-Version: 1.0\n"
18 "Content-Type: text/plain; charset=UTF-8\n"
19 "Content-Transfer-Encoding: 8bit\n"
20 "Plural-Forms: nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;\n"
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H A Dpt.po9 "Project-Id-Version: cpufrequtils 004\n"
10 "Report-Msgid-Bugs-To: \n"
11 "POT-Creation-Date: 2011-03-08 17:03+0100\n"
12 "PO-Revision-Date: 2008-06-14 22:16-0400\n"
13 "Last-Translator: Claudio Eduardo <claudioeddy@gmail.com>\n"
14 "MIME-Version: 1.0\n"
15 "Content-Type: text/plain; charset=UTF-8\n"
16 "Content-Transfer-Encoding: 8bit\n"
70 #: utils/idle_monitor/cpupower-monitor.c:66
71 #, c-format
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H A Dit.po2 # Copyright (C) 2004-2009
9 "Project-Id-Version: cpufrequtils 0.3\n"
10 "Report-Msgid-Bugs-To: \n"
11 "POT-Creation-Date: 2011-03-08 17:03+0100\n"
12 "PO-Revision-Date: 2009-08-15 12:00+0900\n"
13 "Last-Translator: Mattia Dongili <malattia@gmail.com>\n"
14 "Language-Team: NONE\n"
16 "MIME-Version: 1.0\n"
17 "Content-Type: text/plain; charset=UTF-8\n"
18 "Content-Transfer-Encoding: 8bit\n"
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/linux/tools/testing/selftests/intel_pstate/
H A Drun.sh2 # SPDX-License-Identifier: GPL-2.0
29 # files can be re-evaluated by setting EVALUATE_ONLY to 1 below.
33 # Kselftest framework requirement - SKIP code is 4.
36 if ! uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ | grep -q x86; then
47 if ! command -v cpupower &> /dev/null; then
52 max_cpus=$(($(nproc)-1))
65 grep MHz /proc/cpuinfo | sort -u > /tmp/result.freqs
66 num_freqs=$(wc -l /tmp/result.freqs | awk ' { print $1 } ')
67 if [ $num_freqs -ge 2 ]; then
68 tail -n 1 /tmp/result.freqs > /tmp/result.$1
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/linux/drivers/media/dvb-frontends/
H A Dstb0899_algo.c1 // SPDX-License-Identifier: GPL-2.0-or-later
50 struct stb0899_internal *internal = &state->internal;
55 return stb0899_calc_srate(internal->master_clk, sfr);
71 dprintk(state->verbose, FE_DEBUG, 1, "-->"); in stb0899_set_srate()
122 struct stb0899_internal *internal = &state->internal; in stb0899_carr_width()
124 return (internal->srate + (internal->srate * internal->rolloff) / 100); in stb0899_carr_width()
133 struct stb0899_internal *internal = &state->internal; in stb0899_first_subrange()
134 struct stb0899_params *params = &state->params; in stb0899_first_subrange()
135 struct stb0899_config *config = state->config; in stb0899_first_subrange()
140 if (config->tuner_get_bandwidth) { in stb0899_first_subrange()
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/linux/drivers/net/wireless/ath/ath5k/
H A Deeprom.c2 * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org>
3 * Copyright (c) 2006-2009 Nick Kossifidis <mickflemm@gmail.com>
4 * Copyright (c) 2008-2009 Felix Fietkau <nbd@openwrt.org>
49 if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) in ath5k_eeprom_bin2freq()
52 val = bin > 62 ? (10 * 62) + (5 * (bin - 62)) + 5100 : in ath5k_eeprom_bin2freq()
55 if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) in ath5k_eeprom_bin2freq()
75 struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; in ath5k_eeprom_init_header()
89 if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_0) in ath5k_eeprom_init_header()
101 eep_max = (eep_max | val) - AR5K_EEPROM_INFO_BASE; in ath5k_eeprom_init_header()
109 ATH5K_ERR(ah, "Invalid max custom EEPROM size: " in ath5k_eeprom_init_header()
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