diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/char/Kconfig | 2 | ||||
-rw-r--r-- | drivers/char/watchdog/at91rm9200_wdt.c | 6 | ||||
-rw-r--r-- | drivers/char/watchdog/mpcore_wdt.c | 2 | ||||
-rw-r--r-- | drivers/char/watchdog/omap_wdt.c | 2 | ||||
-rw-r--r-- | drivers/char/watchdog/pcwd_usb.c | 5 | ||||
-rw-r--r-- | drivers/char/watchdog/rm9k_wdt.c | 44 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq.c | 153 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_conservative.c | 33 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_ondemand.c | 33 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_performance.c | 9 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_powersave.c | 9 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_stats.c | 11 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq_userspace.c | 11 | ||||
-rw-r--r-- | drivers/cpufreq/freq_table.c | 28 | ||||
-rw-r--r-- | drivers/ide/Kconfig | 2 | ||||
-rw-r--r-- | drivers/leds/Kconfig | 22 | ||||
-rw-r--r-- | drivers/media/video/ov7670.c | 2 | ||||
-rw-r--r-- | drivers/net/e100.c | 3 | ||||
-rw-r--r-- | drivers/serial/Kconfig | 4 | ||||
-rw-r--r-- | drivers/serial/icom.c | 2 |
20 files changed, 251 insertions, 132 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index b10f4d8fdc7..0a3aee29e06 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -867,7 +867,7 @@ config SONYPI config TANBAC_TB0219 tristate "TANBAC TB0219 base board support" - depends TANBAC_TB022X + depends on TANBAC_TB022X select GPIO_VR41XX source "drivers/char/agp/Kconfig" diff --git a/drivers/char/watchdog/at91rm9200_wdt.c b/drivers/char/watchdog/at91rm9200_wdt.c index cb86967e2c5..38bd3737259 100644 --- a/drivers/char/watchdog/at91rm9200_wdt.c +++ b/drivers/char/watchdog/at91rm9200_wdt.c @@ -203,9 +203,9 @@ static int __init at91wdt_probe(struct platform_device *pdev) { int res; - if (at91wdt_miscdev.dev) + if (at91wdt_miscdev.parent) return -EBUSY; - at91wdt_miscdev.dev = &pdev->dev; + at91wdt_miscdev.parent = &pdev->dev; res = misc_register(&at91wdt_miscdev); if (res) @@ -221,7 +221,7 @@ static int __exit at91wdt_remove(struct platform_device *pdev) res = misc_deregister(&at91wdt_miscdev); if (!res) - at91wdt_miscdev.dev = NULL; + at91wdt_miscdev.parent = NULL; return res; } diff --git a/drivers/char/watchdog/mpcore_wdt.c b/drivers/char/watchdog/mpcore_wdt.c index 3404a9c67f0..e88947f8fe5 100644 --- a/drivers/char/watchdog/mpcore_wdt.c +++ b/drivers/char/watchdog/mpcore_wdt.c @@ -347,7 +347,7 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev) goto err_free; } - mpcore_wdt_miscdev.dev = &dev->dev; + mpcore_wdt_miscdev.parent = &dev->dev; ret = misc_register(&mpcore_wdt_miscdev); if (ret) { dev_printk(KERN_ERR, _dev, "cannot register miscdev on minor=%d (err=%d)\n", diff --git a/drivers/char/watchdog/omap_wdt.c b/drivers/char/watchdog/omap_wdt.c index 5dbd7dc2936..6c6f97332db 100644 --- a/drivers/char/watchdog/omap_wdt.c +++ b/drivers/char/watchdog/omap_wdt.c @@ -290,7 +290,7 @@ static int __init omap_wdt_probe(struct platform_device *pdev) omap_wdt_disable(); omap_wdt_adjust_timeout(timer_margin); - omap_wdt_miscdev.dev = &pdev->dev; + omap_wdt_miscdev.parent = &pdev->dev; ret = misc_register(&omap_wdt_miscdev); if (ret) goto fail; diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c index 61138726b50..2da5ac99687 100644 --- a/drivers/char/watchdog/pcwd_usb.c +++ b/drivers/char/watchdog/pcwd_usb.c @@ -42,6 +42,7 @@ #include <asm/uaccess.h> #include <linux/usb.h> #include <linux/mutex.h> +#include <linux/hid.h> /* For HID_REQ_SET_REPORT & HID_DT_REPORT */ #ifdef CONFIG_USB_DEBUG @@ -109,10 +110,6 @@ MODULE_DEVICE_TABLE (usb, usb_pcwd_table); #define CMD_ENABLE_WATCHDOG 0x30 /* Enable / Disable Watchdog */ #define CMD_DISABLE_WATCHDOG CMD_ENABLE_WATCHDOG -/* Some defines that I like to be somewhere else like include/linux/usb_hid.h */ -#define HID_REQ_SET_REPORT 0x09 -#define HID_DT_REPORT (USB_TYPE_CLASS | 0x02) - /* We can only use 1 card due to the /dev/watchdog restriction */ static int cards_found; diff --git a/drivers/char/watchdog/rm9k_wdt.c b/drivers/char/watchdog/rm9k_wdt.c index ec3909371c2..7576a13e86b 100644 --- a/drivers/char/watchdog/rm9k_wdt.c +++ b/drivers/char/watchdog/rm9k_wdt.c @@ -47,7 +47,7 @@ /* Function prototypes */ -static irqreturn_t wdt_gpi_irqhdl(int, void *, struct pt_regs *); +static irqreturn_t wdt_gpi_irqhdl(int, void *); static void wdt_gpi_start(void); static void wdt_gpi_stop(void); static void wdt_gpi_set_timeout(unsigned int); @@ -94,8 +94,28 @@ module_param(nowayout, bool, 0444); MODULE_PARM_DESC(nowayout, "Watchdog cannot be disabled once started"); +/* Kernel interfaces */ +static struct file_operations fops = { + .owner = THIS_MODULE, + .open = wdt_gpi_open, + .release = wdt_gpi_release, + .write = wdt_gpi_write, + .unlocked_ioctl = wdt_gpi_ioctl, +}; + +static struct miscdevice miscdev = { + .minor = WATCHDOG_MINOR, + .name = wdt_gpi_name, + .fops = &fops, +}; + +static struct notifier_block wdt_gpi_shutdown = { + .notifier_call = wdt_gpi_notify, +}; + + /* Interrupt handler */ -static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt, struct pt_regs *regs) +static irqreturn_t wdt_gpi_irqhdl(int irq, void *ctxt) { if (!unlikely(__raw_readl(wd_regs + 0x0008) & 0x1)) return IRQ_NONE; @@ -312,26 +332,6 @@ wdt_gpi_notify(struct notifier_block *this, unsigned long code, void *unused) } -/* Kernel interfaces */ -static struct file_operations fops = { - .owner = THIS_MODULE, - .open = wdt_gpi_open, - .release = wdt_gpi_release, - .write = wdt_gpi_write, - .unlocked_ioctl = wdt_gpi_ioctl, -}; - -static struct miscdevice miscdev = { - .minor = WATCHDOG_MINOR, - .name = wdt_gpi_name, - .fops = &fops, -}; - -static struct notifier_block wdt_gpi_shutdown = { - .notifier_call = wdt_gpi_notify, -}; - - /* Init & exit procedures */ static const struct resource * wdt_gpi_get_resource(struct platform_device *pdv, const char *name, diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 47ab42db122..9fb2edf3661 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -29,7 +29,8 @@ #include <linux/completion.h> #include <linux/mutex.h> -#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, "cpufreq-core", msg) +#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, \ + "cpufreq-core", msg) /** * The "cpufreq driver" - the arch- or hardware-dependent low @@ -151,7 +152,8 @@ static void cpufreq_debug_disable_ratelimit(void) spin_unlock_irqrestore(&disable_ratelimit_lock, flags); } -void cpufreq_debug_printk(unsigned int type, const char *prefix, const char *fmt, ...) +void cpufreq_debug_printk(unsigned int type, const char *prefix, + const char *fmt, ...) { char s[256]; va_list args; @@ -161,7 +163,8 @@ void cpufreq_debug_printk(unsigned int type, const char *prefix, const char *fmt WARN_ON(!prefix); if (type & debug) { spin_lock_irqsave(&disable_ratelimit_lock, flags); - if (!disable_ratelimit && debug_ratelimit && !printk_ratelimit()) { + if (!disable_ratelimit && debug_ratelimit + && !printk_ratelimit()) { spin_unlock_irqrestore(&disable_ratelimit_lock, flags); return; } @@ -182,10 +185,12 @@ EXPORT_SYMBOL(cpufreq_debug_printk); module_param(debug, uint, 0644); -MODULE_PARM_DESC(debug, "CPUfreq debugging: add 1 to debug core, 2 to debug drivers, and 4 to debug governors."); +MODULE_PARM_DESC(debug, "CPUfreq debugging: add 1 to debug core," + " 2 to debug drivers, and 4 to debug governors."); module_param(debug_ratelimit, uint, 0644); -MODULE_PARM_DESC(debug_ratelimit, "CPUfreq debugging: set to 0 to disable ratelimiting."); +MODULE_PARM_DESC(debug_ratelimit, "CPUfreq debugging:" + " set to 0 to disable ratelimiting."); #else /* !CONFIG_CPU_FREQ_DEBUG */ @@ -219,17 +224,23 @@ static void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci) if (!l_p_j_ref_freq) { l_p_j_ref = loops_per_jiffy; l_p_j_ref_freq = ci->old; - dprintk("saving %lu as reference value for loops_per_jiffy; freq is %u kHz\n", l_p_j_ref, l_p_j_ref_freq); + dprintk("saving %lu as reference value for loops_per_jiffy;" + "freq is %u kHz\n", l_p_j_ref, l_p_j_ref_freq); } if ((val == CPUFREQ_PRECHANGE && ci->old < ci->new) || (val == CPUFREQ_POSTCHANGE && ci->old > ci->new) || (val == CPUFREQ_RESUMECHANGE || val == CPUFREQ_SUSPENDCHANGE)) { - loops_per_jiffy = cpufreq_scale(l_p_j_ref, l_p_j_ref_freq, ci->new); - dprintk("scaling loops_per_jiffy to %lu for frequency %u kHz\n", loops_per_jiffy, ci->new); + loops_per_jiffy = cpufreq_scale(l_p_j_ref, l_p_j_ref_freq, + ci->new); + dprintk("scaling loops_per_jiffy to %lu" + "for frequency %u kHz\n", loops_per_jiffy, ci->new); } } #else -static inline void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci) { return; } +static inline void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci) +{ + return; +} #endif @@ -316,7 +327,8 @@ static int cpufreq_parse_governor (char *str_governor, unsigned int *policy, if (!strnicmp(str_governor, "performance", CPUFREQ_NAME_LEN)) { *policy = CPUFREQ_POLICY_PERFORMANCE; err = 0; - } else if (!strnicmp(str_governor, "powersave", CPUFREQ_NAME_LEN)) { + } else if (!strnicmp(str_governor, "powersave", + CPUFREQ_NAME_LEN)) { *policy = CPUFREQ_POLICY_POWERSAVE; err = 0; } @@ -328,7 +340,8 @@ static int cpufreq_parse_governor (char *str_governor, unsigned int *policy, t = __find_governor(str_governor); if (t == NULL) { - char *name = kasprintf(GFP_KERNEL, "cpufreq_%s", str_governor); + char *name = kasprintf(GFP_KERNEL, "cpufreq_%s", + str_governor); if (name) { int ret; @@ -361,7 +374,8 @@ extern struct sysdev_class cpu_sysdev_class; /** - * cpufreq_per_cpu_attr_read() / show_##file_name() - print out cpufreq information + * cpufreq_per_cpu_attr_read() / show_##file_name() - + * print out cpufreq information * * Write out information from cpufreq_driver->policy[cpu]; object must be * "unsigned int". @@ -380,7 +394,8 @@ show_one(scaling_min_freq, min); show_one(scaling_max_freq, max); show_one(scaling_cur_freq, cur); -static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_policy *policy); +static int __cpufreq_set_policy(struct cpufreq_policy *data, + struct cpufreq_policy *policy); /** * cpufreq_per_cpu_attr_write() / store_##file_name() - sysfs write access @@ -416,7 +431,8 @@ store_one(scaling_max_freq,max); /** * show_cpuinfo_cur_freq - current CPU frequency as detected by hardware */ -static ssize_t show_cpuinfo_cur_freq (struct cpufreq_policy * policy, char *buf) +static ssize_t show_cpuinfo_cur_freq (struct cpufreq_policy * policy, + char *buf) { unsigned int cur_freq = cpufreq_get(policy->cpu); if (!cur_freq) @@ -428,7 +444,8 @@ static ssize_t show_cpuinfo_cur_freq (struct cpufreq_policy * policy, char *buf) /** * show_scaling_governor - show the current policy for the specified CPU */ -static ssize_t show_scaling_governor (struct cpufreq_policy * policy, char *buf) +static ssize_t show_scaling_governor (struct cpufreq_policy * policy, + char *buf) { if(policy->policy == CPUFREQ_POLICY_POWERSAVE) return sprintf(buf, "powersave\n"); @@ -458,7 +475,8 @@ static ssize_t store_scaling_governor (struct cpufreq_policy * policy, if (ret != 1) return -EINVAL; - if (cpufreq_parse_governor(str_governor, &new_policy.policy, &new_policy.governor)) + if (cpufreq_parse_governor(str_governor, &new_policy.policy, + &new_policy.governor)) return -EINVAL; lock_cpu_hotplug(); @@ -474,7 +492,10 @@ static ssize_t store_scaling_governor (struct cpufreq_policy * policy, unlock_cpu_hotplug(); - return ret ? ret : count; + if (ret) + return ret; + else + return count; } /** @@ -488,7 +509,7 @@ static ssize_t show_scaling_driver (struct cpufreq_policy * policy, char *buf) /** * show_scaling_available_governors - show the available CPUfreq governors */ -static ssize_t show_scaling_available_governors (struct cpufreq_policy * policy, +static ssize_t show_scaling_available_governors (struct cpufreq_policy *policy, char *buf) { ssize_t i = 0; @@ -574,7 +595,11 @@ static ssize_t show(struct kobject * kobj, struct attribute * attr ,char * buf) policy = cpufreq_cpu_get(policy->cpu); if (!policy) return -EINVAL; - ret = fattr->show ? fattr->show(policy,buf) : -EIO; + if (fattr->show) + ret = fattr->show(policy, buf); + else + ret = -EIO; + cpufreq_cpu_put(policy); return ret; } @@ -588,7 +613,11 @@ static ssize_t store(struct kobject * kobj, struct attribute * attr, policy = cpufreq_cpu_get(policy->cpu); if (!policy) return -EINVAL; - ret = fattr->store ? fattr->store(policy,buf,count) : -EIO; + if (fattr->store) + ret = fattr->store(policy, buf, count); + else + ret = -EIO; + cpufreq_cpu_put(policy); return ret; } @@ -913,7 +942,8 @@ static void handle_update(struct work_struct *work) * We adjust to current frequency first, and need to clean up later. So either call * to cpufreq_update_policy() or schedule handle_update()). */ -static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq, unsigned int new_freq) +static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq, + unsigned int new_freq) { struct cpufreq_freqs freqs; @@ -938,16 +968,16 @@ static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq, unsigne unsigned int cpufreq_quick_get(unsigned int cpu) { struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); - unsigned int ret = 0; + unsigned int ret_freq = 0; if (policy) { mutex_lock(&policy->lock); - ret = policy->cur; + ret_freq = policy->cur; mutex_unlock(&policy->lock); cpufreq_cpu_put(policy); } - return (ret); + return (ret_freq); } EXPORT_SYMBOL(cpufreq_quick_get); @@ -961,7 +991,7 @@ EXPORT_SYMBOL(cpufreq_quick_get); unsigned int cpufreq_get(unsigned int cpu) { struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); - unsigned int ret = 0; + unsigned int ret_freq = 0; if (!policy) return 0; @@ -971,12 +1001,14 @@ unsigned int cpufreq_get(unsigned int cpu) mutex_lock(&policy->lock); - ret = cpufreq_driver->get(cpu); + ret_freq = cpufreq_driver->get(cpu); - if (ret && policy->cur && !(cpufreq_driver->flags & CPUFREQ_CONST_LOOPS)) { - /* verify no discrepancy between actual and saved value exists */ - if (unlikely(ret != policy->cur)) { - cpufreq_out_of_sync(cpu, policy->cur, ret); + if (ret_freq && policy->cur && + !(cpufreq_driver->flags & CPUFREQ_CONST_LOOPS)) { + /* verify no discrepancy between actual and + saved value exists */ + if (unlikely(ret_freq != policy->cur)) { + cpufreq_out_of_sync(cpu, policy->cur, ret_freq); schedule_work(&policy->update); } } @@ -986,7 +1018,7 @@ unsigned int cpufreq_get(unsigned int cpu) out: cpufreq_cpu_put(policy); - return (ret); + return (ret_freq); } EXPORT_SYMBOL(cpufreq_get); @@ -998,7 +1030,7 @@ EXPORT_SYMBOL(cpufreq_get); static int cpufreq_suspend(struct sys_device * sysdev, pm_message_t pmsg) { int cpu = sysdev->id; - unsigned int ret = 0; + int ret = 0; unsigned int cur_freq = 0; struct cpufreq_policy *cpu_policy; @@ -1080,7 +1112,7 @@ out: static int cpufreq_resume(struct sys_device * sysdev) { int cpu = sysdev->id; - unsigned int ret = 0; + int ret = 0; struct cpufreq_policy *cpu_policy; dprintk("resuming cpu %u\n", cpu); @@ -1276,22 +1308,45 @@ int cpufreq_driver_target(struct cpufreq_policy *policy, } EXPORT_SYMBOL_GPL(cpufreq_driver_target); +int cpufreq_driver_getavg(struct cpufreq_policy *policy) +{ + int ret = 0; + + policy = cpufreq_cpu_get(policy->cpu); + if (!policy) + return -EINVAL; + + mutex_lock(&policy->lock); + + if (cpu_online(policy->cpu) && cpufreq_driver->getavg) + ret = cpufreq_driver->getavg(policy->cpu); + + mutex_unlock(&policy->lock); + + cpufreq_cpu_put(policy); + return ret; +} +EXPORT_SYMBOL_GPL(cpufreq_driver_getavg); + /* * Locking: Must be called with the lock_cpu_hotplug() lock held * when "event" is CPUFREQ_GOV_LIMITS */ -static int __cpufreq_governor(struct cpufreq_policy *policy, unsigned int event) +static int __cpufreq_governor(struct cpufreq_policy *policy, + unsigned int event) { int ret; if (!try_module_get(policy->governor->owner)) return -EINVAL; - dprintk("__cpufreq_governor for CPU %u, event %u\n", policy->cpu, event); + dprintk("__cpufreq_governor for CPU %u, event %u\n", + policy->cpu, event); ret = policy->governor->governor(policy, event); - /* we keep one module reference alive for each CPU governed by this CPU */ + /* we keep one module reference alive for + each CPU governed by this CPU */ if ((event != CPUFREQ_GOV_START) || ret) module_put(policy->governor->owner); if ((event == CPUFREQ_GOV_STOP) && !ret) @@ -1367,9 +1422,12 @@ EXPORT_SYMBOL(cpufreq_get_policy); /* + * data : current policy. + * policy : policy to be set. * Locking: Must be called with the lock_cpu_hotplug() lock held */ -static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_policy *policy) +static int __cpufreq_set_policy(struct cpufreq_policy *data, + struct cpufreq_policy *policy) { int ret = 0; @@ -1377,7 +1435,8 @@ static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_poli dprintk("setting new policy for CPU %u: %u - %u kHz\n", policy->cpu, policy->min, policy->max); - memcpy(&policy->cpuinfo, &data->cpuinfo, sizeof(struct cpufreq_cpuinfo)); + memcpy(&policy->cpuinfo, &data->cpuinfo, + sizeof(struct cpufreq_cpuinfo)); if (policy->min > data->min && policy->min > policy->max) { ret = -EINVAL; @@ -1410,7 +1469,8 @@ static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_poli data->min = policy->min; data->max = policy->max; - dprintk("new min and max freqs are %u - %u kHz\n", data->min, data->max); + dprintk("new min and max freqs are %u - %u kHz\n", + data->min, data->max); if (cpufreq_driver->setpolicy) { data->policy = policy->policy; @@ -1431,10 +1491,12 @@ static int __cpufreq_set_policy(struct cpufreq_policy *data, struct cpufreq_poli data->governor = policy->governor; if (__cpufreq_governor(data, CPUFREQ_GOV_START)) { /* new governor failed, so re-start old one */ - dprintk("starting governor %s failed\n", data->governor->name); + dprintk("starting governor %s failed\n", + data->governor->name); if (old_gov) { data->governor = old_gov; - __cpufreq_governor(data, CPUFREQ_GOV_START); + __cpufreq_governor(data, + CPUFREQ_GOV_START); } ret = -EINVAL; goto error_out; @@ -1524,7 +1586,8 @@ int cpufreq_update_policy(unsigned int cpu) data->cur = policy.cur; } else { if (data->cur != policy.cur) - cpufreq_out_of_sync(cpu, data->cur, policy.cur); + cpufreq_out_of_sync(cpu, data->cur, + policy.cur); } } @@ -1626,8 +1689,10 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) /* if all ->init() calls failed, unregister */ if (ret) { - dprintk("no CPU initialized for driver %s\n", driver_data->name); - sysdev_driver_unregister(&cpu_sysdev_class, &cpufreq_sysdev_driver); + dprintk("no CPU initialized for driver %s\n", + driver_data->name); + sysdev_driver_unregister(&cpu_sysdev_class, + &cpufreq_sysdev_driver); spin_lock_irqsave(&cpufreq_driver_lock, flags); cpufreq_driver = NULL; diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index 5ef5ede5b88..eef0270c6f3 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -44,15 +44,17 @@ * latency of the processor. The governor will work on any processor with * transition latency <= 10mS, using appropriate sampling * rate. - * For CPUs with transition latency > 10mS (mostly drivers with CPUFREQ_ETERNAL) - * this governor will not work. + * For CPUs with transition latency > 10mS (mostly drivers + * with CPUFREQ_ETERNAL), this governor will not work. * All times here are in uS. */ static unsigned int def_sampling_rate; #define MIN_SAMPLING_RATE_RATIO (2) /* for correct statistics, we need at least 10 ticks between each measure */ -#define MIN_STAT_SAMPLING_RATE (MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10)) -#define MIN_SAMPLING_RATE (def_sampling_rate / MIN_SAMPLING_RATE_RATIO) +#define MIN_STAT_SAMPLING_RATE \ + (MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10)) +#define MIN_SAMPLING_RATE \ + (def_sampling_rate / MIN_SAMPLING_RATE_RATIO) #define MAX_SAMPLING_RATE (500 * def_sampling_rate) #define DEF_SAMPLING_RATE_LATENCY_MULTIPLIER (1000) #define DEF_SAMPLING_DOWN_FACTOR (1) @@ -103,11 +105,16 @@ static struct dbs_tuners dbs_tuners_ins = { static inline unsigned int get_cpu_idle_time(unsigned int cpu) { - return kstat_cpu(cpu).cpustat.idle + + unsigned int add_nice = 0, ret; + + if (dbs_tuners_ins.ignore_nice) + add_nice = kstat_cpu(cpu).cpustat.nice; + + ret = kstat_cpu(cpu).cpustat.idle + kstat_cpu(cpu).cpustat.iowait + - ( dbs_tuners_ins.ignore_nice ? - kstat_cpu(cpu).cpustat.nice : - 0); + add_nice; + + return ret; } /************************** sysfs interface ************************/ @@ -452,6 +459,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, unsigned int cpu = policy->cpu; struct cpu_dbs_info_s *this_dbs_info; unsigned int j; + int rc; this_dbs_info = &per_cpu(cpu_dbs_info, cpu); @@ -468,6 +476,13 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, break; mutex_lock(&dbs_mutex); + + rc = sysfs_create_group(&policy->kobj, &dbs_attr_group); + if (rc) { + mutex_unlock(&dbs_mutex); + return rc; + } + for_each_cpu_mask(j, policy->cpus) { struct cpu_dbs_info_s *j_dbs_info; j_dbs_info = &per_cpu(cpu_dbs_info, j); @@ -480,7 +495,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, this_dbs_info->enable = 1; this_dbs_info->down_skip = 0; this_dbs_info->requested_freq = policy->cur; - sysfs_create_group(&policy->kobj, &dbs_attr_group); + dbs_enable++; /* * Start the timerschedule work, when this governor diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index e1cc5113c2a..f697449327c 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -41,8 +41,10 @@ static unsigned int def_sampling_rate; #define MIN_SAMPLING_RATE_RATIO (2) /* for correct statistics, we need at least 10 ticks between each measure */ -#define MIN_STAT_SAMPLING_RATE (MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10)) -#define MIN_SAMPLING_RATE (def_sampling_rate / MIN_SAMPLING_RATE_RATIO) +#define MIN_STAT_SAMPLING_RATE \ + (MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10)) +#define MIN_SAMPLING_RATE \ + (def_sampling_rate / MIN_SAMPLING_RATE_RATIO) #define MAX_SAMPLING_RATE (500 * def_sampling_rate) #define DEF_SAMPLING_RATE_LATENCY_MULTIPLIER (1000) #define TRANSITION_LATENCY_LIMIT (10 * 1000) @@ -206,7 +208,8 @@ static ssize_t store_sampling_rate(struct cpufreq_policy *unused, ret = sscanf(buf, "%u", &input); mutex_lock(&dbs_mutex); - if (ret != 1 || input > MAX_SAMPLING_RATE || input < MIN_SAMPLING_RATE) { + if (ret != 1 || input > MAX_SAMPLING_RATE + || input < MIN_SAMPLING_RATE) { mutex_unlock(&dbs_mutex); return -EINVAL; } @@ -397,8 +400,15 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info) * policy. To be safe, we focus 10 points under the threshold. */ if (load < (dbs_tuners_ins.up_threshold - 10)) { - unsigned int freq_next = (policy->cur * load) / + unsigned int freq_next, freq_cur; + + freq_cur = cpufreq_driver_getavg(policy); + if (!freq_cur) + freq_cur = policy->cur; + + freq_next = (freq_cur * load) / (dbs_tuners_ins.up_threshold - 10); + if (!dbs_tuners_ins.powersave_bias) { __cpufreq_driver_target(policy, freq_next, CPUFREQ_RELATION_L); @@ -472,6 +482,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, unsigned int cpu = policy->cpu; struct cpu_dbs_info_s *this_dbs_info; unsigned int j; + int rc; this_dbs_info = &per_cpu(cpu_dbs_info, cpu); @@ -494,12 +505,23 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, if (dbs_enable == 1) { kondemand_wq = create_workqueue("kondemand"); if (!kondemand_wq) { - printk(KERN_ERR "Creation of kondemand failed\n"); + printk(KERN_ERR + "Creation of kondemand failed\n"); dbs_enable--; mutex_unlock(&dbs_mutex); return -ENOSPC; } } + + rc = sysfs_create_group(&policy->kobj, &dbs_attr_group); + if (rc) { + if (dbs_enable == 1) + destroy_workqueue(kondemand_wq); + dbs_enable--; + mutex_unlock(&dbs_mutex); + return rc; + } + for_each_cpu_mask(j, policy->cpus) { struct cpu_dbs_info_s *j_dbs_info; j_dbs_info = &per_cpu(cpu_dbs_info, j); @@ -509,7 +531,6 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, j_dbs_info->prev_cpu_wall = get_jiffies_64(); } this_dbs_info->enable = 1; - sysfs_create_group(&policy->kobj, &dbs_attr_group); /* * Start the timerschedule work, when this governor * is used for first time diff --git a/drivers/cpufreq/cpufreq_performance.c b/drivers/cpufreq/cpufreq_performance.c index de91e3371ef..e8e1451ef1c 100644 --- a/drivers/cpufreq/cpufreq_performance.c +++ b/drivers/cpufreq/cpufreq_performance.c @@ -15,7 +15,8 @@ #include <linux/cpufreq.h> #include <linux/init.h> -#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "performance", msg) +#define dprintk(msg...) \ + cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "performance", msg) static int cpufreq_governor_performance(struct cpufreq_policy *policy, @@ -24,8 +25,10 @@ static int cpufreq_governor_performance(struct cpufreq_policy *policy, switch (event) { case CPUFREQ_GOV_START: case CPUFREQ_GOV_LIMITS: - dprintk("setting to %u kHz because of event %u\n", policy->max, event); - __cpufreq_driver_target(policy, policy->max, CPUFREQ_RELATION_H); + dprintk("setting to %u kHz because of event %u\n", + policy->max, event); + __cpufreq_driver_target(policy, policy->max, + CPUFREQ_RELATION_H); break; default: break; diff --git a/drivers/cpufreq/cpufreq_powersave.c b/drivers/cpufreq/cpufreq_powersave.c index 0a2596044e6..13fe06b94b0 100644 --- a/drivers/cpufreq/cpufreq_powersave.c +++ b/drivers/cpufreq/cpufreq_powersave.c @@ -15,7 +15,8 @@ #include <linux/cpufreq.h> #include <linux/init.h> -#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "powersave", msg) +#define dprintk(msg...) \ + cpufreq_debug_printk(CPUFREQ_DEBUG_GOVERNOR, "powersave", msg) static int cpufreq_governor_powersave(struct cpufreq_policy *policy, unsigned int event) @@ -23,8 +24,10 @@ static int cpufreq_governor_powersave(struct cpufreq_policy *policy, switch (event) { case CPUFREQ_GOV_START: case CPUFREQ_GOV_LIMITS: - dprintk("setting to %u kHz because of event %u\n", policy->min, event); - __cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L); + dprintk("setting to %u kHz because of event %u\n", + policy->min, event); + __cpufreq_driver_target(policy, policy->min, + CPUFREQ_RELATION_L); break; default: break; diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index c2ecc599dc5..6742b1adf2c 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -351,8 +351,8 @@ __init cpufreq_stats_init(void) register_hotcpu_notifier(&cpufreq_stat_cpu_notifier); for_each_online_cpu(cpu) { - cpufreq_stat_cpu_callback(&cpufreq_stat_cpu_notifier, CPU_ONLINE, - (void *)(long)cpu); + cpufreq_stat_cpu_callback(&cpufreq_stat_cpu_notifier, + CPU_ONLINE, (void *)(long)cpu); } return 0; } @@ -368,14 +368,15 @@ __exit cpufreq_stats_exit(void) unregister_hotcpu_notifier(&cpufreq_stat_cpu_notifier); lock_cpu_hotplug(); for_each_online_cpu(cpu) { - cpufreq_stat_cpu_callback(&cpufreq_stat_cpu_notifier, CPU_DEAD, - (void *)(long)cpu); + cpufreq_stat_cpu_callback(&cpufreq_stat_cpu_notifier, + CPU_DEAD, (void *)(long)cpu); } unlock_cpu_hotplug(); } MODULE_AUTHOR ("Zou Nan hai <nanhai.zou@intel.com>"); -MODULE_DESCRIPTION ("'cpufreq_stats' - A driver to export cpufreq stats through sysfs filesystem"); +MODULE_DESCRIPTION ("'cpufreq_stats' - A driver to export cpufreq stats" + "through sysfs filesystem"); MODULE_LICENSE ("GPL"); module_init(cpufreq_stats_init); diff --git a/drivers/cpufreq/cpufreq_userspace.c b/drivers/cpufreq/cpufreq_userspace.c index a06c204589c..2a4eb0bfaf3 100644 --- a/drivers/cpufreq/cpufreq_userspace.c +++ b/drivers/cpufreq/cpufreq_userspace.c @@ -131,19 +131,26 @@ static int cpufreq_governor_userspace(struct cpufreq_policy *policy, unsigned int event) { unsigned int cpu = policy->cpu; + int rc = 0; + switch (event) { case CPUFREQ_GOV_START: if (!cpu_online(cpu)) return -EINVAL; BUG_ON(!policy->cur); mutex_lock(&userspace_mutex); + rc = sysfs_create_file (&policy->kobj, + &freq_attr_scaling_setspeed.attr); + if (rc) + goto start_out; + cpu_is_managed[cpu] = 1; cpu_min_freq[cpu] = policy->min; cpu_max_freq[cpu] = policy->max; cpu_cur_freq[cpu] = policy->cur; cpu_set_freq[cpu] = policy->cur; - sysfs_create_file (&policy->kobj, &freq_attr_scaling_setspeed.attr); dprintk("managing cpu %u started (%u - %u kHz, currently %u kHz)\n", cpu, cpu_min_freq[cpu], cpu_max_freq[cpu], cpu_cur_freq[cpu]); +start_out: mutex_unlock(&userspace_mutex); break; case CPUFREQ_GOV_STOP: @@ -180,7 +187,7 @@ static int cpufreq_governor_userspace(struct cpufreq_policy *policy, mutex_unlock(&userspace_mutex); break; } - return 0; + return rc; } diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index 551f4ccf87f..e7490925fdc 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -9,7 +9,8 @@ #include <linux/init.h> #include <linux/cpufreq.h> -#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, "freq-table", msg) +#define dprintk(msg...) \ + cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, "freq-table", msg) /********************************************************************* * FREQUENCY TABLE HELPERS * @@ -29,7 +30,8 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, continue; } - dprintk("table entry %u: %u kHz, %u index\n", i, freq, table[i].index); + dprintk("table entry %u: %u kHz, %u index\n", + i, freq, table[i].index); if (freq < min_freq) min_freq = freq; if (freq > max_freq) @@ -54,13 +56,14 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy, unsigned int i; unsigned int count = 0; - dprintk("request for verification of policy (%u - %u kHz) for cpu %u\n", policy->min, policy->max, policy->cpu); + dprintk("request for verification of policy (%u - %u kHz) for cpu %u\n", + policy->min, policy->max, policy->cpu); if (!cpu_online(policy->cpu)) return -EINVAL; - cpufreq_verify_within_limits(policy, - policy->cpuinfo.min_freq, policy->cpuinfo.max_freq); + cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, + policy->cpuinfo.max_freq); for (i=0; (table[i].frequency != CPUFREQ_TABLE_END); i++) { unsigned int freq = table[i].frequency; @@ -75,10 +78,11 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy, if (!count) policy->max = next_larger; - cpufreq_verify_within_limits(policy, - policy->cpuinfo.min_freq, policy->cpuinfo.max_freq); + cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, + policy->cpuinfo.max_freq); - dprintk("verification lead to (%u - %u kHz) for cpu %u\n", policy->min, policy->max, policy->cpu); + dprintk("verification lead to (%u - %u kHz) for cpu %u\n", + policy->min, policy->max, policy->cpu); return 0; } @@ -101,7 +105,8 @@ int cpufreq_frequency_table_target(struct cpufreq_policy *policy, }; unsigned int i; - dprintk("request for target %u kHz (relation: %u) for cpu %u\n", target_freq, relation, policy->cpu); + dprintk("request for target %u kHz (relation: %u) for cpu %u\n", + target_freq, relation, policy->cpu); switch (relation) { case CPUFREQ_RELATION_H: @@ -192,7 +197,10 @@ static ssize_t show_available_freqs (struct cpufreq_policy *policy, char *buf) } struct freq_attr cpufreq_freq_attr_scaling_available_freqs = { - .attr = { .name = "scaling_available_frequencies", .mode = 0444, .owner=THIS_MODULE }, + .attr = { .name = "scaling_available_frequencies", + .mode = 0444, + .owner=THIS_MODULE + }, .show = show_available_freqs, }; EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_available_freqs); diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index e23bc0d6215..3f828052f8d 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -796,7 +796,7 @@ endchoice config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ int "Maximum transfer size (KB) per request (up to 128)" default "128" - depends BLK_DEV_IDE_AU1XXX + depends on BLK_DEV_IDE_AU1XXX config IDE_ARM def_bool ARM && (ARCH_A5K || ARCH_CLPS7500 || ARCH_RPC || ARCH_SHARK) diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 176142c6149..7399ba79111 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -12,7 +12,7 @@ config NEW_LEDS config LEDS_CLASS tristate "LED Class Support" - depends NEW_LEDS + depends on NEW_LEDS help This option enables the led sysfs class in /sys/class/leds. You'll need this to do anything useful with LEDs. If unsure, say N. @@ -21,28 +21,28 @@ comment "LED drivers" config LEDS_CORGI tristate "LED Support for the Sharp SL-C7x0 series" - depends LEDS_CLASS && PXA_SHARP_C7xx + depends on LEDS_CLASS && PXA_SHARP_C7xx help This option enables support for the LEDs on Sharp Zaurus SL-C7x0 series (C700, C750, C760, C860). config LEDS_LOCOMO tristate "LED Support for Locomo device" - depends LEDS_CLASS && SHARP_LOCOMO + depends on LEDS_CLASS && SHARP_LOCOMO help This option enables support for the LEDs on Sharp Locomo. Zaurus models SL-5500 and SL-5600. config LEDS_SPITZ tristate "LED Support for the Sharp SL-Cxx00 series" - depends LEDS_CLASS && PXA_SHARP_Cxx00 + depends on LEDS_CLASS && PXA_SHARP_Cxx00 help This option enables support for the LEDs on Sharp Zaurus SL-Cxx00 series (C1000, C3000, C3100). config LEDS_IXP4XX tristate "LED Support for GPIO connected LEDs on IXP4XX processors" - depends LEDS_CLASS && ARCH_IXP4XX + depends on LEDS_CLASS && ARCH_IXP4XX help This option enables support for the LEDs connected to GPIO outputs of the Intel IXP4XX processors. To be useful the @@ -51,7 +51,7 @@ config LEDS_IXP4XX config LEDS_TOSA tristate "LED Support for the Sharp SL-6000 series" - depends LEDS_CLASS && PXA_SHARPSL + depends on LEDS_CLASS && PXA_SHARPSL help This option enables support for the LEDs on Sharp Zaurus SL-6000 series. @@ -65,7 +65,7 @@ config LEDS_S3C24XX config LEDS_AMS_DELTA tristate "LED Support for the Amstrad Delta (E3)" - depends LEDS_CLASS && MACH_AMS_DELTA + depends on LEDS_CLASS && MACH_AMS_DELTA help This option enables support for the LEDs on Amstrad Delta (E3). @@ -86,7 +86,7 @@ comment "LED Triggers" config LEDS_TRIGGERS bool "LED Trigger support" - depends NEW_LEDS + depends on NEW_LEDS help This option enables trigger support for the leds class. These triggers allow kernel events to drive the LEDs and can @@ -94,21 +94,21 @@ config LEDS_TRIGGERS config LEDS_TRIGGER_TIMER tristate "LED Timer Trigger" - depends LEDS_TRIGGERS + depends on LEDS_TRIGGERS help This allows LEDs to be controlled by a programmable timer via sysfs. If unsure, say Y. config LEDS_TRIGGER_IDE_DISK bool "LED IDE Disk Trigger" - depends LEDS_TRIGGERS && BLK_DEV_IDEDISK + depends on LEDS_TRIGGERS && BLK_DEV_IDEDISK help This allows LEDs to be controlled by IDE disk activity. If unsure, say Y. config LEDS_TRIGGER_HEARTBEAT tristate "LED Heartbeat Trigger" - depends LEDS_TRIGGERS + depends on LEDS_TRIGGERS help This allows LEDs to be controlled by a CPU load average. The flash frequency is a hyperbolic function of the 1-minute diff --git a/drivers/media/video/ov7670.c b/drivers/media/video/ov7670.c index 89dd18c3c5c..5ed0adc4ca2 100644 --- a/drivers/media/video/ov7670.c +++ b/drivers/media/video/ov7670.c @@ -18,7 +18,7 @@ #include <linux/i2c.h> -MODULE_AUTHOR("Jonathan Corbet <corbet@lwn.net."); +MODULE_AUTHOR("Jonathan Corbet <corbet@lwn.net>"); MODULE_DESCRIPTION("A low-level driver for OmniVision ov7670 sensors"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 03bf164f9e8..c2ae2a24629 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -1930,9 +1930,8 @@ static int e100_rx_alloc_list(struct nic *nic) nic->rx_to_use = nic->rx_to_clean = NULL; nic->ru_running = RU_UNINITIALIZED; - if(!(nic->rxs = kmalloc(sizeof(struct rx) * count, GFP_ATOMIC))) + if(!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC))) return -ENOMEM; - memset(nic->rxs, 0, sizeof(struct rx) * count); for(rx = nic->rxs, i = 0; i < count; rx++, i++) { rx->next = (i + 1 < count) ? rx + 1 : nic->rxs; diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 0b36dd5cdac..2978c09860e 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -663,7 +663,7 @@ config V850E_UART config V850E_UARTB bool - depends V850E_UART && V850E_ME2 + depends on V850E_UART && V850E_ME2 default y config V850E_UART_CONSOLE @@ -909,7 +909,7 @@ config SERIAL_M32R_PLDSIO config SERIAL_TXX9 bool "TMPTX39XX/49XX SIO support" - depends HAS_TXX9_SERIAL + depends on HAS_TXX9_SERIAL select SERIAL_CORE default y diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c index 7d623003e65..71e6a24d8c2 100644 --- a/drivers/serial/icom.c +++ b/drivers/serial/icom.c @@ -1510,7 +1510,7 @@ static int __devinit icom_probe(struct pci_dev *dev, } if ( (retval = pci_request_regions(dev, "icom"))) { - dev_err(&dev->dev, "pci_request_region FAILED\n"); + dev_err(&dev->dev, "pci_request_regions FAILED\n"); pci_disable_device(dev); return retval; } |