diff options
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r-- | drivers/cpufreq/cppc_cpufreq.c | 19 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq-dt-platdev.c | 1 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq.c | 33 | ||||
-rw-r--r-- | drivers/cpufreq/exynos5440-cpufreq.c | 6 | ||||
-rw-r--r-- | drivers/cpufreq/imx6q-cpufreq.c | 6 | ||||
-rw-r--r-- | drivers/cpufreq/intel_pstate.c | 172 | ||||
-rw-r--r-- | drivers/cpufreq/pasemi-cpufreq.c | 2 | ||||
-rw-r--r-- | drivers/cpufreq/scpi-cpufreq.c | 38 | ||||
-rw-r--r-- | drivers/cpufreq/sfi-cpufreq.c | 2 |
9 files changed, 137 insertions, 142 deletions
diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c index e82bb3c30b92..10be285c9055 100644 --- a/drivers/cpufreq/cppc_cpufreq.c +++ b/drivers/cpufreq/cppc_cpufreq.c @@ -144,10 +144,23 @@ static int cppc_cpufreq_cpu_init(struct cpufreq_policy *policy) cppc_dmi_max_khz = cppc_get_dmi_max_khz(); - policy->min = cpu->perf_caps.lowest_perf * cppc_dmi_max_khz / cpu->perf_caps.highest_perf; + /* + * Set min to lowest nonlinear perf to avoid any efficiency penalty (see + * Section 8.4.7.1.1.5 of ACPI 6.1 spec) + */ + policy->min = cpu->perf_caps.lowest_nonlinear_perf * cppc_dmi_max_khz / + cpu->perf_caps.highest_perf; policy->max = cppc_dmi_max_khz; - policy->cpuinfo.min_freq = policy->min; - policy->cpuinfo.max_freq = policy->max; + + /* + * Set cpuinfo.min_freq to Lowest to make the full range of performance + * available if userspace wants to use any perf between lowest & lowest + * nonlinear perf + */ + policy->cpuinfo.min_freq = cpu->perf_caps.lowest_perf * cppc_dmi_max_khz / + cpu->perf_caps.highest_perf; + policy->cpuinfo.max_freq = cppc_dmi_max_khz; + policy->cpuinfo.transition_latency = cppc_get_transition_latency(cpu_num); policy->shared_type = cpu->shared_type; diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c index 921b4a6c3d16..1c262923fe58 100644 --- a/drivers/cpufreq/cpufreq-dt-platdev.c +++ b/drivers/cpufreq/cpufreq-dt-platdev.c @@ -31,6 +31,7 @@ static const struct of_device_id machines[] __initconst = { { .compatible = "arm,integrator-ap", }, { .compatible = "arm,integrator-cp", }, + { .compatible = "hisilicon,hi3660", }, { .compatible = "hisilicon,hi6220", }, { .compatible = "fsl,imx27", }, diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 26b643d57847..9bf97a366029 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -632,11 +632,21 @@ show_one(cpuinfo_transition_latency, cpuinfo.transition_latency); show_one(scaling_min_freq, min); show_one(scaling_max_freq, max); +__weak unsigned int arch_freq_get_on_cpu(int cpu) +{ + return 0; +} + static ssize_t show_scaling_cur_freq(struct cpufreq_policy *policy, char *buf) { ssize_t ret; + unsigned int freq; - if (cpufreq_driver && cpufreq_driver->setpolicy && cpufreq_driver->get) + freq = arch_freq_get_on_cpu(policy->cpu); + if (freq) + ret = sprintf(buf, "%u\n", freq); + else if (cpufreq_driver && cpufreq_driver->setpolicy && + cpufreq_driver->get) ret = sprintf(buf, "%u\n", cpufreq_driver->get(policy->cpu)); else ret = sprintf(buf, "%u\n", policy->cur); @@ -887,7 +897,7 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr, struct freq_attr *fattr = to_attr(attr); ssize_t ret = -EINVAL; - get_online_cpus(); + cpus_read_lock(); if (cpu_online(policy->cpu)) { down_write(&policy->rwsem); @@ -895,7 +905,7 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr, up_write(&policy->rwsem); } - put_online_cpus(); + cpus_read_unlock(); return ret; } @@ -2441,7 +2451,7 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) pr_debug("trying to register driver %s\n", driver_data->name); /* Protect against concurrent CPU online/offline. */ - get_online_cpus(); + cpus_read_lock(); write_lock_irqsave(&cpufreq_driver_lock, flags); if (cpufreq_driver) { @@ -2474,9 +2484,10 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) goto err_if_unreg; } - ret = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, "cpufreq:online", - cpuhp_cpufreq_online, - cpuhp_cpufreq_offline); + ret = cpuhp_setup_state_nocalls_cpuslocked(CPUHP_AP_ONLINE_DYN, + "cpufreq:online", + cpuhp_cpufreq_online, + cpuhp_cpufreq_offline); if (ret < 0) goto err_if_unreg; hp_online = ret; @@ -2494,7 +2505,7 @@ err_null_driver: cpufreq_driver = NULL; write_unlock_irqrestore(&cpufreq_driver_lock, flags); out: - put_online_cpus(); + cpus_read_unlock(); return ret; } EXPORT_SYMBOL_GPL(cpufreq_register_driver); @@ -2517,17 +2528,17 @@ int cpufreq_unregister_driver(struct cpufreq_driver *driver) pr_debug("unregistering driver %s\n", driver->name); /* Protect against concurrent cpu hotplug */ - get_online_cpus(); + cpus_read_lock(); subsys_interface_unregister(&cpufreq_interface); remove_boost_sysfs_file(); - cpuhp_remove_state_nocalls(hp_online); + cpuhp_remove_state_nocalls_cpuslocked(hp_online); write_lock_irqsave(&cpufreq_driver_lock, flags); cpufreq_driver = NULL; write_unlock_irqrestore(&cpufreq_driver_lock, flags); - put_online_cpus(); + cpus_read_unlock(); return 0; } diff --git a/drivers/cpufreq/exynos5440-cpufreq.c b/drivers/cpufreq/exynos5440-cpufreq.c index 9180d34cc9fc..b6b369c22272 100644 --- a/drivers/cpufreq/exynos5440-cpufreq.c +++ b/drivers/cpufreq/exynos5440-cpufreq.c @@ -173,12 +173,12 @@ static void exynos_enable_dvfs(unsigned int cur_frequency) /* Enable PSTATE Change Event */ tmp = __raw_readl(dvfs_info->base + XMU_PMUEVTEN); tmp |= (1 << PSTATE_CHANGED_EVTEN_SHIFT); - __raw_writel(tmp, dvfs_info->base + XMU_PMUEVTEN); + __raw_writel(tmp, dvfs_info->base + XMU_PMUEVTEN); /* Enable PSTATE Change IRQ */ tmp = __raw_readl(dvfs_info->base + XMU_PMUIRQEN); tmp |= (1 << PSTATE_CHANGED_IRQEN_SHIFT); - __raw_writel(tmp, dvfs_info->base + XMU_PMUIRQEN); + __raw_writel(tmp, dvfs_info->base + XMU_PMUIRQEN); /* Set initial performance index */ cpufreq_for_each_entry(pos, freq_table) @@ -330,7 +330,7 @@ static int exynos_cpufreq_probe(struct platform_device *pdev) struct resource res; unsigned int cur_frequency; - np = pdev->dev.of_node; + np = pdev->dev.of_node; if (!np) return -ENODEV; diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 9c13f097fd8c..b6edd3ccaa55 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -101,7 +101,8 @@ static int imx6q_set_target(struct cpufreq_policy *policy, unsigned int index) * - Reprogram pll1_sys_clk and reparent pll1_sw_clk back to it * - Disable pll2_pfd2_396m_clk */ - if (of_machine_is_compatible("fsl,imx6ul")) { + if (of_machine_is_compatible("fsl,imx6ul") || + of_machine_is_compatible("fsl,imx6ull")) { /* * When changing pll1_sw_clk's parent to pll1_sys_clk, * CPU may run at higher than 528MHz, this will lead to @@ -215,7 +216,8 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) goto put_clk; } - if (of_machine_is_compatible("fsl,imx6ul")) { + if (of_machine_is_compatible("fsl,imx6ul") || + of_machine_is_compatible("fsl,imx6ull")) { pll2_bus_clk = clk_get(cpu_dev, "pll2_bus"); secondary_sel_clk = clk_get(cpu_dev, "secondary_sel"); if (IS_ERR(pll2_bus_clk) || IS_ERR(secondary_sel_clk)) { diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index eb1158532de3..48a98f11a84e 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -231,10 +231,8 @@ struct global_params { * @prev_cummulative_iowait: IO Wait time difference from last and * current sample * @sample: Storage for storing last Sample data - * @min_perf: Minimum capacity limit as a fraction of the maximum - * turbo P-state capacity. - * @max_perf: Maximum capacity limit as a fraction of the maximum - * turbo P-state capacity. + * @min_perf_ratio: Minimum capacity in terms of PERF or HWP ratios + * @max_perf_ratio: Maximum capacity in terms of PERF or HWP ratios * @acpi_perf_data: Stores ACPI perf information read from _PSS * @valid_pss_table: Set to true for valid ACPI _PSS entries found * @epp_powersave: Last saved HWP energy performance preference @@ -266,8 +264,8 @@ struct cpudata { u64 prev_tsc; u64 prev_cummulative_iowait; struct sample sample; - int32_t min_perf; - int32_t max_perf; + int32_t min_perf_ratio; + int32_t max_perf_ratio; #ifdef CONFIG_ACPI struct acpi_processor_performance acpi_perf_data; bool valid_pss_table; @@ -653,6 +651,12 @@ static const char * const energy_perf_strings[] = { "power", NULL }; +static const unsigned int epp_values[] = { + HWP_EPP_PERFORMANCE, + HWP_EPP_BALANCE_PERFORMANCE, + HWP_EPP_BALANCE_POWERSAVE, + HWP_EPP_POWERSAVE +}; static int intel_pstate_get_energy_pref_index(struct cpudata *cpu_data) { @@ -664,17 +668,14 @@ static int intel_pstate_get_energy_pref_index(struct cpudata *cpu_data) return epp; if (static_cpu_has(X86_FEATURE_HWP_EPP)) { - /* - * Range: - * 0x00-0x3F : Performance - * 0x40-0x7F : Balance performance - * 0x80-0xBF : Balance power - * 0xC0-0xFF : Power - * The EPP is a 8 bit value, but our ranges restrict the - * value which can be set. Here only using top two bits - * effectively. - */ - index = (epp >> 6) + 1; + if (epp == HWP_EPP_PERFORMANCE) + return 1; + if (epp <= HWP_EPP_BALANCE_PERFORMANCE) + return 2; + if (epp <= HWP_EPP_BALANCE_POWERSAVE) + return 3; + else + return 4; } else if (static_cpu_has(X86_FEATURE_EPB)) { /* * Range: @@ -712,15 +713,8 @@ static int intel_pstate_set_energy_pref_index(struct cpudata *cpu_data, value &= ~GENMASK_ULL(31, 24); - /* - * If epp is not default, convert from index into - * energy_perf_strings to epp value, by shifting 6 - * bits left to use only top two bits in epp. - * The resultant epp need to shifted by 24 bits to - * epp position in MSR_HWP_REQUEST. - */ if (epp == -EINVAL) - epp = (pref_index - 1) << 6; + epp = epp_values[pref_index - 1]; value |= (u64)epp << 24; ret = wrmsrl_on_cpu(cpu_data->cpu, MSR_HWP_REQUEST, value); @@ -794,25 +788,32 @@ static struct freq_attr *hwp_cpufreq_attrs[] = { NULL, }; -static void intel_pstate_hwp_set(unsigned int cpu) +static void intel_pstate_get_hwp_max(unsigned int cpu, int *phy_max, + int *current_max) { - struct cpudata *cpu_data = all_cpu_data[cpu]; - int min, hw_min, max, hw_max; - u64 value, cap; - s16 epp; + u64 cap; rdmsrl_on_cpu(cpu, MSR_HWP_CAPABILITIES, &cap); - hw_min = HWP_LOWEST_PERF(cap); if (global.no_turbo) - hw_max = HWP_GUARANTEED_PERF(cap); + *current_max = HWP_GUARANTEED_PERF(cap); else - hw_max = HWP_HIGHEST_PERF(cap); + *current_max = HWP_HIGHEST_PERF(cap); + + *phy_max = HWP_HIGHEST_PERF(cap); +} + +static void intel_pstate_hwp_set(unsigned int cpu) +{ + struct cpudata *cpu_data = all_cpu_data[cpu]; + int max, min; + u64 value; + s16 epp; + + max = cpu_data->max_perf_ratio; + min = cpu_data->min_perf_ratio; - max = fp_ext_toint(hw_max * cpu_data->max_perf); if (cpu_data->policy == CPUFREQ_POLICY_PERFORMANCE) min = max; - else - min = fp_ext_toint(hw_max * cpu_data->min_perf); rdmsrl_on_cpu(cpu, MSR_HWP_REQUEST, &value); @@ -1528,8 +1529,7 @@ static void intel_pstate_max_within_limits(struct cpudata *cpu) update_turbo_state(); pstate = intel_pstate_get_base_pstate(cpu); - pstate = max(cpu->pstate.min_pstate, - fp_ext_toint(pstate * cpu->max_perf)); + pstate = max(cpu->pstate.min_pstate, cpu->max_perf_ratio); intel_pstate_set_pstate(cpu, pstate); } @@ -1616,9 +1616,6 @@ static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu) int32_t busy_frac, boost; int target, avg_pstate; - if (cpu->policy == CPUFREQ_POLICY_PERFORMANCE) - return cpu->pstate.turbo_pstate; - busy_frac = div_fp(sample->mperf, sample->tsc); boost = cpu->iowait_boost; @@ -1655,9 +1652,6 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu) int32_t perf_scaled, max_pstate, current_pstate, sample_ratio; u64 duration_ns; - if (cpu->policy == CPUFREQ_POLICY_PERFORMANCE) - return cpu->pstate.turbo_pstate; - /* * perf_scaled is the ratio of the average P-state during the last * sampling period to the P-state requested last time (in percent). @@ -1695,9 +1689,8 @@ static int intel_pstate_prepare_request(struct cpudata *cpu, int pstate) int max_pstate = intel_pstate_get_base_pstate(cpu); int min_pstate; - min_pstate = max(cpu->pstate.min_pstate, - fp_ext_toint(max_pstate * cpu->min_perf)); - max_pstate = max(min_pstate, fp_ext_toint(max_pstate * cpu->max_perf)); + min_pstate = max(cpu->pstate.min_pstate, cpu->min_perf_ratio); + max_pstate = max(min_pstate, cpu->max_perf_ratio); return clamp_t(int, pstate, min_pstate, max_pstate); } @@ -1733,16 +1726,6 @@ static void intel_pstate_adjust_pstate(struct cpudata *cpu, int target_pstate) fp_toint(cpu->iowait_boost * 100)); } -static void intel_pstate_update_util_hwp(struct update_util_data *data, - u64 time, unsigned int flags) -{ - struct cpudata *cpu = container_of(data, struct cpudata, update_util); - u64 delta_ns = time - cpu->sample.time; - - if ((s64)delta_ns >= INTEL_PSTATE_HWP_SAMPLING_INTERVAL) - intel_pstate_sample(cpu, time); -} - static void intel_pstate_update_util_pid(struct update_util_data *data, u64 time, unsigned int flags) { @@ -1934,6 +1917,9 @@ static void intel_pstate_set_update_util_hook(unsigned int cpu_num) { struct cpudata *cpu = all_cpu_data[cpu_num]; + if (hwp_active) + return; + if (cpu->update_util_set) return; @@ -1967,52 +1953,61 @@ static void intel_pstate_update_perf_limits(struct cpufreq_policy *policy, { int max_freq = intel_pstate_get_max_freq(cpu); int32_t max_policy_perf, min_policy_perf; + int max_state, turbo_max; - max_policy_perf = div_ext_fp(policy->max, max_freq); - max_policy_perf = clamp_t(int32_t, max_policy_perf, 0, int_ext_tofp(1)); + /* + * HWP needs some special consideration, because on BDX the + * HWP_REQUEST uses abstract value to represent performance + * rather than pure ratios. + */ + if (hwp_active) { + intel_pstate_get_hwp_max(cpu->cpu, &turbo_max, &max_state); + } else { + max_state = intel_pstate_get_base_pstate(cpu); + turbo_max = cpu->pstate.turbo_pstate; + } + + max_policy_perf = max_state * policy->max / max_freq; if (policy->max == policy->min) { min_policy_perf = max_policy_perf; } else { - min_policy_perf = div_ext_fp(policy->min, max_freq); + min_policy_perf = max_state * policy->min / max_freq; min_policy_perf = clamp_t(int32_t, min_policy_perf, 0, max_policy_perf); } + pr_debug("cpu:%d max_state %d min_policy_perf:%d max_policy_perf:%d\n", + policy->cpu, max_state, + min_policy_perf, max_policy_perf); + /* Normalize user input to [min_perf, max_perf] */ if (per_cpu_limits) { - cpu->min_perf = min_policy_perf; - cpu->max_perf = max_policy_perf; + cpu->min_perf_ratio = min_policy_perf; + cpu->max_perf_ratio = max_policy_perf; } else { int32_t global_min, global_max; /* Global limits are in percent of the maximum turbo P-state. */ - global_max = percent_ext_fp(global.max_perf_pct); - global_min = percent_ext_fp(global.min_perf_pct); - if (max_freq != cpu->pstate.turbo_freq) { - int32_t turbo_factor; - - turbo_factor = div_ext_fp(cpu->pstate.turbo_pstate, - cpu->pstate.max_pstate); - global_min = mul_ext_fp(global_min, turbo_factor); - global_max = mul_ext_fp(global_max, turbo_factor); - } + global_max = DIV_ROUND_UP(turbo_max * global.max_perf_pct, 100); + global_min = DIV_ROUND_UP(turbo_max * global.min_perf_pct, 100); global_min = clamp_t(int32_t, global_min, 0, global_max); - cpu->min_perf = max(min_policy_perf, global_min); - cpu->min_perf = min(cpu->min_perf, max_policy_perf); - cpu->max_perf = min(max_policy_perf, global_max); - cpu->max_perf = max(min_policy_perf, cpu->max_perf); + pr_debug("cpu:%d global_min:%d global_max:%d\n", policy->cpu, + global_min, global_max); - /* Make sure min_perf <= max_perf */ - cpu->min_perf = min(cpu->min_perf, cpu->max_perf); - } + cpu->min_perf_ratio = max(min_policy_perf, global_min); + cpu->min_perf_ratio = min(cpu->min_perf_ratio, max_policy_perf); + cpu->max_perf_ratio = min(max_policy_perf, global_max); + cpu->max_perf_ratio = max(min_policy_perf, cpu->max_perf_ratio); - cpu->max_perf = round_up(cpu->max_perf, EXT_FRAC_BITS); - cpu->min_perf = round_up(cpu->min_perf, EXT_FRAC_BITS); + /* Make sure min_perf <= max_perf */ + cpu->min_perf_ratio = min(cpu->min_perf_ratio, + cpu->max_perf_ratio); - pr_debug("cpu:%d max_perf_pct:%d min_perf_pct:%d\n", policy->cpu, - fp_ext_toint(cpu->max_perf * 100), - fp_ext_toint(cpu->min_perf * 100)); + } + pr_debug("cpu:%d max_perf_ratio:%d min_perf_ratio:%d\n", policy->cpu, + cpu->max_perf_ratio, + cpu->min_perf_ratio); } static int intel_pstate_set_policy(struct cpufreq_policy *policy) @@ -2039,10 +2034,10 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) */ intel_pstate_clear_update_util_hook(policy->cpu); intel_pstate_max_within_limits(cpu); + } else { + intel_pstate_set_update_util_hook(policy->cpu); } - intel_pstate_set_update_util_hook(policy->cpu); - if (hwp_active) intel_pstate_hwp_set(policy->cpu); @@ -2115,8 +2110,8 @@ static int __intel_pstate_cpu_init(struct cpufreq_policy *policy) cpu = all_cpu_data[policy->cpu]; - cpu->max_perf = int_ext_tofp(1); - cpu->min_perf = 0; + cpu->max_perf_ratio = 0xFF; + cpu->min_perf_ratio = 0; policy->min = cpu->pstate.min_pstate * cpu->pstate.scaling; policy->max = cpu->pstate.turbo_pstate * cpu->pstate.scaling; @@ -2558,7 +2553,6 @@ static int __init intel_pstate_init(void) } else { hwp_active++; intel_pstate.attr = hwp_cpufreq_attrs; - pstate_funcs.update_util = intel_pstate_update_util_hwp; goto hwp_cpu_matched; } } else { diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c index 35dd4d7ffee0..b257fc7d5204 100644 --- a/drivers/cpufreq/pasemi-cpufreq.c +++ b/drivers/cpufreq/pasemi-cpufreq.c @@ -226,7 +226,7 @@ static int pas_cpufreq_cpu_exit(struct cpufreq_policy *policy) * We don't support CPU hotplug. Don't unmap after the system * has already made it to a running state. */ - if (system_state != SYSTEM_BOOTING) + if (system_state >= SYSTEM_RUNNING) return 0; if (sdcasr_mapbase) diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c index ea7a4e1b68c2..8de2364b5995 100644 --- a/drivers/cpufreq/scpi-cpufreq.c +++ b/drivers/cpufreq/scpi-cpufreq.c @@ -30,46 +30,20 @@ static struct scpi_ops *scpi_ops; -static struct scpi_dvfs_info *scpi_get_dvfs_info(struct device *cpu_dev) -{ - int domain = topology_physical_package_id(cpu_dev->id); - - if (domain < 0) - return ERR_PTR(-EINVAL); - return scpi_ops->dvfs_get_info(domain); -} - static int scpi_get_transition_latency(struct device *cpu_dev) { - struct scpi_dvfs_info *info = scpi_get_dvfs_info(cpu_dev); - - if (IS_ERR(info)) - return PTR_ERR(info); - return info->latency; + return scpi_ops->get_transition_latency(cpu_dev); } static int scpi_init_opp_table(const struct cpumask *cpumask) { - int idx, ret; - struct scpi_opp *opp; + int ret; struct device *cpu_dev = get_cpu_device(cpumask_first(cpumask)); - struct scpi_dvfs_info *info = scpi_get_dvfs_info(cpu_dev); - - if (IS_ERR(info)) - return PTR_ERR(info); - - if (!info->opps) - return -EIO; - for (opp = info->opps, idx = 0; idx < info->count; idx++, opp++) { - ret = dev_pm_opp_add(cpu_dev, opp->freq, opp->m_volt * 1000); - if (ret) { - dev_warn(cpu_dev, "failed to add opp %uHz %umV\n", - opp->freq, opp->m_volt); - while (idx-- > 0) - dev_pm_opp_remove(cpu_dev, (--opp)->freq); - return ret; - } + ret = scpi_ops->add_opps_to_device(cpu_dev); + if (ret) { + dev_warn(cpu_dev, "failed to add opps to the device\n"); + return ret; } ret = dev_pm_opp_set_sharing_cpus(cpu_dev, cpumask); diff --git a/drivers/cpufreq/sfi-cpufreq.c b/drivers/cpufreq/sfi-cpufreq.c index 992ce6f9abec..3779742f86e3 100644 --- a/drivers/cpufreq/sfi-cpufreq.c +++ b/drivers/cpufreq/sfi-cpufreq.c @@ -24,7 +24,7 @@ #include <asm/msr.h> -struct cpufreq_frequency_table *freq_table; +static struct cpufreq_frequency_table *freq_table; static struct sfi_freq_table_entry *sfi_cpufreq_array; static int num_freq_table_entries; |