X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Fcpu%2Fcpufreq%2Fspeedstep-ich.c;h=8bbb11adb3157d1e0d436910dd6b2423cec025ef;hb=928a726b0e12184729900c076e13dbf1c511c96c;hp=dedc1e98f1683c4e35e0b194b81aed354ab3e55a;hpb=05f93414fad0f22e7c6f766adef8d5e72a1d3c67;p=linux-2.6-omap-h63xx.git diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c index dedc1e98f16..8bbb11adb31 100644 --- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c +++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c @@ -39,7 +39,7 @@ static struct pci_dev *speedstep_chipset_dev; /* speedstep_processor */ -static unsigned int speedstep_processor = 0; +static unsigned int speedstep_processor; static u32 pmbase; @@ -54,7 +54,8 @@ static struct cpufreq_frequency_table speedstep_freqs[] = { }; -#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "speedstep-ich", msg) +#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, \ + "speedstep-ich", msg) /** @@ -62,7 +63,7 @@ static struct cpufreq_frequency_table speedstep_freqs[] = { * * Returns: -ENODEV if no register could be found */ -static int speedstep_find_register (void) +static int speedstep_find_register(void) { if (!speedstep_chipset_dev) return -ENODEV; @@ -90,7 +91,7 @@ static int speedstep_find_register (void) * * Tries to change the SpeedStep state. */ -static void speedstep_set_state (unsigned int state) +static void speedstep_set_state(unsigned int state) { u8 pm2_blk; u8 value; @@ -133,11 +134,11 @@ static void speedstep_set_state (unsigned int state) dprintk("read at pmbase 0x%x + 0x50 returned 0x%x\n", pmbase, value); - if (state == (value & 0x1)) { - dprintk("change to %u MHz succeeded\n", (speedstep_get_processor_frequency(speedstep_processor) / 1000)); - } else { - printk (KERN_ERR "cpufreq: change failed - I/O error\n"); - } + if (state == (value & 0x1)) + dprintk("change to %u MHz succeeded\n", + speedstep_get_frequency(speedstep_processor) / 1000); + else + printk(KERN_ERR "cpufreq: change failed - I/O error\n"); return; } @@ -149,7 +150,7 @@ static void speedstep_set_state (unsigned int state) * Tries to activate the SpeedStep status and control registers. * Returns -EINVAL on an unsupported chipset, and zero on success. */ -static int speedstep_activate (void) +static int speedstep_activate(void) { u16 value = 0; @@ -175,20 +176,18 @@ static int speedstep_activate (void) * functions. Returns the SPEEDSTEP_CHIPSET_-number for the detected * chipset, or zero on failure. */ -static unsigned int speedstep_detect_chipset (void) +static unsigned int speedstep_detect_chipset(void) { speedstep_chipset_dev = pci_get_subsys(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12, - PCI_ANY_ID, - PCI_ANY_ID, + PCI_ANY_ID, PCI_ANY_ID, NULL); if (speedstep_chipset_dev) return 4; /* 4-M */ speedstep_chipset_dev = pci_get_subsys(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, - PCI_ANY_ID, - PCI_ANY_ID, + PCI_ANY_ID, PCI_ANY_ID, NULL); if (speedstep_chipset_dev) return 3; /* 3-M */ @@ -196,8 +195,7 @@ static unsigned int speedstep_detect_chipset (void) speedstep_chipset_dev = pci_get_subsys(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_10, - PCI_ANY_ID, - PCI_ANY_ID, + PCI_ANY_ID, PCI_ANY_ID, NULL); if (speedstep_chipset_dev) { /* speedstep.c causes lockups on Dell Inspirons 8000 and @@ -208,8 +206,7 @@ static unsigned int speedstep_detect_chipset (void) hostbridge = pci_get_subsys(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82815_MC, - PCI_ANY_ID, - PCI_ANY_ID, + PCI_ANY_ID, PCI_ANY_ID, NULL); if (!hostbridge) @@ -236,7 +233,7 @@ static unsigned int _speedstep_get(const struct cpumask *cpus) cpus_allowed = current->cpus_allowed; set_cpus_allowed_ptr(current, cpus); - speed = speedstep_get_processor_frequency(speedstep_processor); + speed = speedstep_get_frequency(speedstep_processor); set_cpus_allowed_ptr(current, &cpus_allowed); dprintk("detected %u kHz as current frequency\n", speed); return speed; @@ -251,11 +248,12 @@ static unsigned int speedstep_get(unsigned int cpu) * speedstep_target - set a new CPUFreq policy * @policy: new policy * @target_freq: the target frequency - * @relation: how that frequency relates to achieved frequency (CPUFREQ_RELATION_L or CPUFREQ_RELATION_H) + * @relation: how that frequency relates to achieved frequency + * (CPUFREQ_RELATION_L or CPUFREQ_RELATION_H) * * Sets a new CPUFreq policy. */ -static int speedstep_target (struct cpufreq_policy *policy, +static int speedstep_target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation) { @@ -264,7 +262,8 @@ static int speedstep_target (struct cpufreq_policy *policy, cpumask_t cpus_allowed; int i; - if (cpufreq_frequency_table_target(policy, &speedstep_freqs[0], target_freq, relation, &newstate)) + if (cpufreq_frequency_table_target(policy, &speedstep_freqs[0], + target_freq, relation, &newstate)) return -EINVAL; freqs.old = _speedstep_get(policy->cpus); @@ -308,7 +307,7 @@ static int speedstep_target (struct cpufreq_policy *policy, * Limit must be within speedstep_low_freq and speedstep_high_freq, with * at least one border included. */ -static int speedstep_verify (struct cpufreq_policy *policy) +static int speedstep_verify(struct cpufreq_policy *policy) { return cpufreq_frequency_table_verify(policy, &speedstep_freqs[0]); } @@ -344,7 +343,8 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy) return -EIO; dprintk("currently at %s speed setting - %i MHz\n", - (speed == speedstep_freqs[SPEEDSTEP_LOW].frequency) ? "low" : "high", + (speed == speedstep_freqs[SPEEDSTEP_LOW].frequency) + ? "low" : "high", (speed / 1000)); /* cpuinfo and default policy values */ @@ -352,9 +352,9 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy) result = cpufreq_frequency_table_cpuinfo(policy, speedstep_freqs); if (result) - return (result); + return result; - cpufreq_frequency_table_get_attr(speedstep_freqs, policy->cpu); + cpufreq_frequency_table_get_attr(speedstep_freqs, policy->cpu); return 0; } @@ -366,7 +366,7 @@ static int speedstep_cpu_exit(struct cpufreq_policy *policy) return 0; } -static struct freq_attr* speedstep_attr[] = { +static struct freq_attr *speedstep_attr[] = { &cpufreq_freq_attr_scaling_available_freqs, NULL, }; @@ -396,13 +396,15 @@ static int __init speedstep_init(void) /* detect processor */ speedstep_processor = speedstep_detect_processor(); if (!speedstep_processor) { - dprintk("Intel(R) SpeedStep(TM) capable processor not found\n"); + dprintk("Intel(R) SpeedStep(TM) capable processor " + "not found\n"); return -ENODEV; } /* detect chipset */ if (!speedstep_detect_chipset()) { - dprintk("Intel(R) SpeedStep(TM) for this chipset not (yet) available.\n"); + dprintk("Intel(R) SpeedStep(TM) for this chipset not " + "(yet) available.\n"); return -ENODEV; } @@ -431,9 +433,11 @@ static void __exit speedstep_exit(void) } -MODULE_AUTHOR ("Dave Jones , Dominik Brodowski "); -MODULE_DESCRIPTION ("Speedstep driver for Intel mobile processors on chipsets with ICH-M southbridges."); -MODULE_LICENSE ("GPL"); +MODULE_AUTHOR("Dave Jones , " + "Dominik Brodowski "); +MODULE_DESCRIPTION("Speedstep driver for Intel mobile processors on chipsets " + "with ICH-M southbridges."); +MODULE_LICENSE("GPL"); module_init(speedstep_init); module_exit(speedstep_exit);