diff options
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 4 | ||||
| -rw-r--r-- | drivers/powercap/intel_rapl.c | 8 | ||||
| -rw-r--r-- | include/linux/pm_domain.h | 2 | ||||
| -rw-r--r-- | kernel/power/power.h | 1 | ||||
| -rw-r--r-- | kernel/power/suspend.c | 2 | ||||
| -rw-r--r-- | kernel/power/suspend_test.c | 31 |
6 files changed, 26 insertions, 22 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index e396ad3f8f3f..0668b389c516 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -708,10 +708,6 @@ static unsigned int intel_pstate_get(unsigned int cpu_num) static int intel_pstate_set_policy(struct cpufreq_policy *policy) { - struct cpudata *cpu; - - cpu = all_cpu_data[policy->cpu]; - if (!policy->cpuinfo.max_freq) return -ENODEV; diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c index b1cda6ffdbcc..45e05b32f9b6 100644 --- a/drivers/powercap/intel_rapl.c +++ b/drivers/powercap/intel_rapl.c @@ -953,6 +953,7 @@ static const struct x86_cpu_id rapl_ids[] = { { X86_VENDOR_INTEL, 6, 0x3a},/* Ivy Bridge */ { X86_VENDOR_INTEL, 6, 0x3c},/* Haswell */ { X86_VENDOR_INTEL, 6, 0x3d},/* Broadwell */ + { X86_VENDOR_INTEL, 6, 0x3f},/* Haswell */ { X86_VENDOR_INTEL, 6, 0x45},/* Haswell ULT */ /* TODO: Add more CPU IDs after testing */ {} @@ -1166,11 +1167,10 @@ static int rapl_detect_domains(struct rapl_package *rp, int cpu) for (i = 0; i < RAPL_DOMAIN_MAX; i++) { /* use physical package id to read counters */ - if (!rapl_check_domain(cpu, i)) + if (!rapl_check_domain(cpu, i)) { rp->domain_map |= 1 << i; - else - pr_warn("RAPL domain %s detection failed\n", - rapl_domain_names[i]); + pr_info("Found RAPL domain %s\n", rapl_domain_names[i]); + } } rp->nr_domains = bitmap_weight(&rp->domain_map, RAPL_DOMAIN_MAX); if (!rp->nr_domains) { diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index 7c1d252b20c0..ebc4c76ffb73 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -60,7 +60,7 @@ struct generic_pm_domain { struct mutex lock; struct dev_power_governor *gov; struct work_struct power_off_work; - char *name; + const char *name; unsigned int in_progress; /* Number of devices being suspended now */ atomic_t sd_count; /* Number of subdomains with power "on" */ enum gpd_status status; /* Current state of the domain */ diff --git a/kernel/power/power.h b/kernel/power/power.h index 5d49dcac2537..2df883a9d3cb 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -179,6 +179,7 @@ extern void swsusp_show_speed(struct timeval *, struct timeval *, #ifdef CONFIG_SUSPEND /* kernel/power/suspend.c */ +extern const char *pm_labels[]; extern const char *pm_states[]; extern int suspend_devices_and_enter(suspend_state_t state); diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 6dadb25cb0d8..18c62195660f 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -31,7 +31,7 @@ #include "power.h" -static const char *pm_labels[] = { "mem", "standby", "freeze", }; +const char *pm_labels[] = { "mem", "standby", "freeze", NULL }; const char *pm_states[PM_SUSPEND_MAX]; static const struct platform_suspend_ops *suspend_ops; diff --git a/kernel/power/suspend_test.c b/kernel/power/suspend_test.c index 2f524928b6aa..bd91bc177c93 100644 --- a/kernel/power/suspend_test.c +++ b/kernel/power/suspend_test.c @@ -129,20 +129,20 @@ static int __init has_wakealarm(struct device *dev, const void *data) * at startup time. They're normally disabled, for faster boot and because * we can't know which states really work on this particular system. */ -static suspend_state_t test_state __initdata = PM_SUSPEND_ON; +static const char *test_state_label __initdata; static char warn_bad_state[] __initdata = KERN_WARNING "PM: can't test '%s' suspend state\n"; static int __init setup_test_suspend(char *value) { - suspend_state_t i; + int i; /* "=mem" ==> "mem" */ value++; - for (i = PM_SUSPEND_MIN; i < PM_SUSPEND_MAX; i++) - if (!strcmp(pm_states[i], value)) { - test_state = i; + for (i = 0; pm_labels[i]; i++) + if (!strcmp(pm_labels[i], value)) { + test_state_label = pm_labels[i]; return 0; } @@ -158,13 +158,21 @@ static int __init test_suspend(void) struct rtc_device *rtc = NULL; struct device *dev; + suspend_state_t test_state; /* PM is initialized by now; is that state testable? */ - if (test_state == PM_SUSPEND_ON) - goto done; - if (!pm_states[test_state]) { - printk(warn_bad_state, pm_states[test_state]); - goto done; + if (!test_state_label) + return 0; + + for (test_state = PM_SUSPEND_MIN; test_state < PM_SUSPEND_MAX; test_state++) { + const char *state_label = pm_states[test_state]; + + if (state_label && !strcmp(test_state_label, state_label)) + break; + } + if (test_state == PM_SUSPEND_MAX) { + printk(warn_bad_state, test_state_label); + return 0; } /* RTCs have initialized by now too ... can we use one? */ @@ -173,13 +181,12 @@ static int __init test_suspend(void) rtc = rtc_class_open(dev_name(dev)); if (!rtc) { printk(warn_no_rtc); - goto done; + return 0; } /* go for it */ test_wakealarm(rtc, test_state); rtc_class_close(rtc); -done: return 0; } late_initcall(test_suspend); |