diff options
Diffstat (limited to 'arch/s390/kernel/time.c')
| -rw-r--r-- | arch/s390/kernel/time.c | 353 |
1 files changed, 183 insertions, 170 deletions
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index f754a6dc4f9..0931b110c82 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -1,5 +1,4 @@ /* - * arch/s390/kernel/time.c * Time of day based timer functions. * * S390 version @@ -15,6 +14,7 @@ #define KMSG_COMPONENT "time" #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt +#include <linux/kernel_stat.h> #include <linux/errno.h> #include <linux/module.h> #include <linux/sched.h> @@ -26,7 +26,7 @@ #include <linux/cpu.h> #include <linux/stop_machine.h> #include <linux/time.h> -#include <linux/sysdev.h> +#include <linux/device.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/smp.h> @@ -34,19 +34,20 @@ #include <linux/profile.h> #include <linux/timex.h> #include <linux/notifier.h> -#include <linux/clocksource.h> +#include <linux/timekeeper_internal.h> #include <linux/clockchips.h> #include <linux/gfp.h> +#include <linux/kprobes.h> #include <asm/uaccess.h> #include <asm/delay.h> -#include <asm/s390_ext.h> #include <asm/div64.h> #include <asm/vdso.h> #include <asm/irq.h> #include <asm/irq_regs.h> -#include <asm/timer.h> +#include <asm/vtimer.h> #include <asm/etr.h> #include <asm/cio.h> +#include "entry.h" /* change this if you have some constant time drift */ #define USECS_PER_JIFFY ((unsigned long) 1000000/HZ) @@ -60,9 +61,9 @@ static DEFINE_PER_CPU(struct clock_event_device, comparators); /* * Scheduler clock - returns current time in nanosec units. */ -unsigned long long notrace sched_clock(void) +unsigned long long notrace __kprobes sched_clock(void) { - return (get_clock_monotonic() * 125) >> 9; + return tod_to_ns(get_tod_clock_monotonic()); } /* @@ -91,7 +92,6 @@ void clock_comparator_work(void) struct clock_event_device *cd; S390_lowcore.clock_comparator = -1ULL; - set_clock_comparator(S390_lowcore.clock_comparator); cd = &__get_cpu_var(comparators); cd->event_handler(cd); } @@ -111,7 +111,7 @@ static void fixup_clock_comparator(unsigned long long delta) static int s390_next_event(unsigned long delta, struct clock_event_device *evt) { - S390_lowcore.clock_comparator = get_clock() + delta; + S390_lowcore.clock_comparator = get_tod_clock() + delta; set_clock_comparator(S390_lowcore.clock_comparator); return 0; } @@ -155,10 +155,11 @@ void init_cpu_timer(void) __ctl_set_bit(0, 4); } -static void clock_comparator_interrupt(unsigned int ext_int_code, +static void clock_comparator_interrupt(struct ext_code ext_code, unsigned int param32, unsigned long param64) { + inc_irq_stat(IRQEXT_CLK); if (S390_lowcore.clock_comparator == -1ULL) set_clock_comparator(S390_lowcore.clock_comparator); } @@ -166,9 +167,10 @@ static void clock_comparator_interrupt(unsigned int ext_int_code, static void etr_timing_alert(struct etr_irq_parm *); static void stp_timing_alert(struct stp_irq_parm *); -static void timing_alert_interrupt(unsigned int ext_int_code, +static void timing_alert_interrupt(struct ext_code ext_code, unsigned int param32, unsigned long param64) { + inc_irq_stat(IRQEXT_TLA); if (param32 & 0x00c40000) etr_timing_alert((struct etr_irq_parm *) ¶m32); if (param32 & 0x00038000) @@ -180,7 +182,7 @@ static void stp_reset(void); void read_persistent_clock(struct timespec *ts) { - tod_to_timeval(get_clock() - TOD_UNIX_EPOCH, ts); + tod_to_timeval(get_tod_clock() - TOD_UNIX_EPOCH, ts); } void read_boot_clock(struct timespec *ts) @@ -190,7 +192,7 @@ void read_boot_clock(struct timespec *ts) static cycle_t read_tod_clock(struct clocksource *cs) { - return get_clock(); + return get_tod_clock(); } static struct clocksource clocksource_tod = { @@ -208,21 +210,30 @@ struct clocksource * __init clocksource_default_clock(void) return &clocksource_tod; } -void update_vsyscall(struct timespec *wall_time, struct timespec *wtm, - struct clocksource *clock, u32 mult) +void update_vsyscall(struct timekeeper *tk) { - if (clock != &clocksource_tod) + u64 nsecps; + + if (tk->clock != &clocksource_tod) return; /* Make userspace gettimeofday spin until we're done. */ ++vdso_data->tb_update_count; smp_wmb(); - vdso_data->xtime_tod_stamp = clock->cycle_last; - vdso_data->xtime_clock_sec = wall_time->tv_sec; - vdso_data->xtime_clock_nsec = wall_time->tv_nsec; - vdso_data->wtom_clock_sec = wtm->tv_sec; - vdso_data->wtom_clock_nsec = wtm->tv_nsec; - vdso_data->ntp_mult = mult; + vdso_data->xtime_tod_stamp = tk->clock->cycle_last; + vdso_data->xtime_clock_sec = tk->xtime_sec; + vdso_data->xtime_clock_nsec = tk->xtime_nsec; + vdso_data->wtom_clock_sec = + tk->xtime_sec + tk->wall_to_monotonic.tv_sec; + vdso_data->wtom_clock_nsec = tk->xtime_nsec + + + ((u64) tk->wall_to_monotonic.tv_nsec << tk->shift); + nsecps = (u64) NSEC_PER_SEC << tk->shift; + while (vdso_data->wtom_clock_nsec >= nsecps) { + vdso_data->wtom_clock_nsec -= nsecps; + vdso_data->wtom_clock_sec++; + } + vdso_data->tk_mult = tk->mult; + vdso_data->tk_shift = tk->shift; smp_wmb(); ++vdso_data->tb_update_count; } @@ -251,11 +262,11 @@ void __init time_init(void) stp_reset(); /* request the clock comparator external interrupt */ - if (register_external_interrupt(0x1004, clock_comparator_interrupt)) - panic("Couldn't request external interrupt 0x1004"); + if (register_external_irq(EXT_IRQ_CLK_COMP, clock_comparator_interrupt)) + panic("Couldn't request external interrupt 0x1004"); /* request the timing alert external interrupt */ - if (register_external_interrupt(0x1406, timing_alert_interrupt)) + if (register_external_irq(EXT_IRQ_TIMING_ALERT, timing_alert_interrupt)) panic("Couldn't request external interrupt 0x1406"); if (clocksource_register(&clocksource_tod) != 0) @@ -318,7 +329,7 @@ static unsigned long clock_sync_flags; * The synchronous get_clock function. It will write the current clock * value to the clock pointer and return 0 if the clock is in sync with * the external time source. If the clock mode is local it will return - * -ENOSYS and -EAGAIN if the clock is not in sync with the external + * -EOPNOTSUPP and -EAGAIN if the clock is not in sync with the external * reference. */ int get_sync_clock(unsigned long long *clock) @@ -328,7 +339,7 @@ int get_sync_clock(unsigned long long *clock) sw_ptr = &get_cpu_var(clock_sync_word); sw0 = atomic_read(sw_ptr); - *clock = get_clock(); + *clock = get_tod_clock(); sw1 = atomic_read(sw_ptr); put_cpu_var(clock_sync_word); if (sw0 == sw1 && (sw0 & 0x80000000U)) @@ -336,7 +347,7 @@ int get_sync_clock(unsigned long long *clock) return 0; if (!test_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags) && !test_bit(CLOCK_SYNC_HAS_STP, &clock_sync_flags)) - return -ENOSYS; + return -EOPNOTSUPP; if (!test_bit(CLOCK_SYNC_ETR, &clock_sync_flags) && !test_bit(CLOCK_SYNC_STP, &clock_sync_flags)) return -EACCES; @@ -472,7 +483,7 @@ static void etr_reset(void) .p0 = 0, .p1 = 0, ._pad1 = 0, .ea = 0, .es = 0, .sl = 0 }; if (etr_setr(&etr_eacr) == 0) { - etr_tolec = get_clock(); + etr_tolec = get_tod_clock(); set_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags); if (etr_port0_online && etr_port1_online) set_bit(CLOCK_SYNC_ETR, &clock_sync_flags); @@ -720,7 +731,7 @@ static void clock_sync_cpu(struct clock_sync_data *sync) } /* - * Sync the TOD clock using the port refered to by aibp. This port + * Sync the TOD clock using the port referred to by aibp. This port * has to be enabled and the other port has to be disabled. The * last eacr update has to be more than 1.6 seconds in the past. */ @@ -754,8 +765,8 @@ static int etr_sync_clock(void *data) __ctl_set_bit(14, 21); __ctl_set_bit(0, 29); clock = ((unsigned long long) (aib->edf2.etv + 1)) << 32; - old_clock = get_clock(); - if (set_clock(clock) == 0) { + old_clock = get_tod_clock(); + if (set_tod_clock(clock) == 0) { __udelay(1); /* Wait for the clock to start. */ __ctl_clear_bit(0, 29); __ctl_clear_bit(14, 21); @@ -806,7 +817,7 @@ static int etr_sync_clock_stop(struct etr_aib *aib, int port) etr_sync.etr_port = port; get_online_cpus(); atomic_set(&etr_sync.cpus, num_online_cpus() - 1); - rc = stop_machine(etr_sync_clock, &etr_sync, &cpu_online_map); + rc = stop_machine(etr_sync_clock, &etr_sync, cpu_online_mask); put_online_cpus(); return rc; } @@ -831,7 +842,7 @@ static struct etr_eacr etr_handle_events(struct etr_eacr eacr) * assume that this can have caused an stepping * port switch. */ - etr_tolec = get_clock(); + etr_tolec = get_tod_clock(); eacr.p0 = etr_port0_online; if (!eacr.p0) eacr.e0 = 0; @@ -844,7 +855,7 @@ static struct etr_eacr etr_handle_events(struct etr_eacr eacr) * assume that this can have caused an stepping * port switch. */ - etr_tolec = get_clock(); + etr_tolec = get_tod_clock(); eacr.p1 = etr_port1_online; if (!eacr.p1) eacr.e1 = 0; @@ -960,7 +971,7 @@ static void etr_update_eacr(struct etr_eacr eacr) etr_eacr = eacr; etr_setr(&etr_eacr); if (dp_changed) - etr_tolec = get_clock(); + etr_tolec = get_tod_clock(); } /* @@ -998,7 +1009,7 @@ static void etr_work_fn(struct work_struct *work) /* Store aib to get the current ETR status word. */ BUG_ON(etr_stetr(&aib) != 0); etr_port0.esw = etr_port1.esw = aib.esw; /* Copy status word. */ - now = get_clock(); + now = get_tod_clock(); /* * Update the port information if the last stepping port change @@ -1008,7 +1019,7 @@ static void etr_work_fn(struct work_struct *work) eacr = etr_handle_update(&aib, eacr); /* - * Select ports to enable. The prefered synchronization mode is PPS. + * Select ports to enable. The preferred synchronization mode is PPS. * If a port can be enabled depends on a number of things: * 1) The port needs to be online and uptodate. A port is not * disabled just because it is not uptodate, but it is only @@ -1087,7 +1098,7 @@ static void etr_work_fn(struct work_struct *work) /* * Update eacr and try to synchronize the clock. If the update * of eacr caused a stepping port switch (or if we have to - * assume that a stepping port switch has occured) or the + * assume that a stepping port switch has occurred) or the * clock syncing failed, reset the sync check control bit * and set up a timer to try again after 0.5 seconds */ @@ -1107,34 +1118,35 @@ out_unlock: /* * Sysfs interface functions */ -static struct sysdev_class etr_sysclass = { - .name = "etr", +static struct bus_type etr_subsys = { + .name = "etr", + .dev_name = "etr", }; -static struct sys_device etr_port0_dev = { +static struct device etr_port0_dev = { .id = 0, - .cls = &etr_sysclass, + .bus = &etr_subsys, }; -static struct sys_device etr_port1_dev = { +static struct device etr_port1_dev = { .id = 1, - .cls = &etr_sysclass, + .bus = &etr_subsys, }; /* - * ETR class attributes + * ETR subsys attributes */ -static ssize_t etr_stepping_port_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t etr_stepping_port_show(struct device *dev, + struct device_attribute *attr, char *buf) { return sprintf(buf, "%i\n", etr_port0.esw.p); } -static SYSDEV_CLASS_ATTR(stepping_port, 0400, etr_stepping_port_show, NULL); +static DEVICE_ATTR(stepping_port, 0400, etr_stepping_port_show, NULL); -static ssize_t etr_stepping_mode_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t etr_stepping_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) { char *mode_str; @@ -1148,12 +1160,12 @@ static ssize_t etr_stepping_mode_show(struct sysdev_class *class, return sprintf(buf, "%s\n", mode_str); } -static SYSDEV_CLASS_ATTR(stepping_mode, 0400, etr_stepping_mode_show, NULL); +static DEVICE_ATTR(stepping_mode, 0400, etr_stepping_mode_show, NULL); /* * ETR port attributes */ -static inline struct etr_aib *etr_aib_from_dev(struct sys_device *dev) +static inline struct etr_aib *etr_aib_from_dev(struct device *dev) { if (dev == &etr_port0_dev) return etr_port0_online ? &etr_port0 : NULL; @@ -1161,8 +1173,8 @@ static inline struct etr_aib *etr_aib_from_dev(struct sys_device *dev) return etr_port1_online ? &etr_port1 : NULL; } -static ssize_t etr_online_show(struct sys_device *dev, - struct sysdev_attribute *attr, +static ssize_t etr_online_show(struct device *dev, + struct device_attribute *attr, char *buf) { unsigned int online; @@ -1171,8 +1183,8 @@ static ssize_t etr_online_show(struct sys_device *dev, return sprintf(buf, "%i\n", online); } -static ssize_t etr_online_store(struct sys_device *dev, - struct sysdev_attribute *attr, +static ssize_t etr_online_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { unsigned int value; @@ -1209,20 +1221,20 @@ out: return count; } -static SYSDEV_ATTR(online, 0600, etr_online_show, etr_online_store); +static DEVICE_ATTR(online, 0600, etr_online_show, etr_online_store); -static ssize_t etr_stepping_control_show(struct sys_device *dev, - struct sysdev_attribute *attr, +static ssize_t etr_stepping_control_show(struct device *dev, + struct device_attribute *attr, char *buf) { return sprintf(buf, "%i\n", (dev == &etr_port0_dev) ? etr_eacr.e0 : etr_eacr.e1); } -static SYSDEV_ATTR(stepping_control, 0400, etr_stepping_control_show, NULL); +static DEVICE_ATTR(stepping_control, 0400, etr_stepping_control_show, NULL); -static ssize_t etr_mode_code_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_mode_code_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!etr_port0_online && !etr_port1_online) /* Status word is not uptodate if both ports are offline. */ @@ -1231,10 +1243,10 @@ static ssize_t etr_mode_code_show(struct sys_device *dev, etr_port0.esw.psc0 : etr_port0.esw.psc1); } -static SYSDEV_ATTR(state_code, 0400, etr_mode_code_show, NULL); +static DEVICE_ATTR(state_code, 0400, etr_mode_code_show, NULL); -static ssize_t etr_untuned_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_untuned_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1243,10 +1255,10 @@ static ssize_t etr_untuned_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf1.u); } -static SYSDEV_ATTR(untuned, 0400, etr_untuned_show, NULL); +static DEVICE_ATTR(untuned, 0400, etr_untuned_show, NULL); -static ssize_t etr_network_id_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_network_id_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1255,10 +1267,10 @@ static ssize_t etr_network_id_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf1.net_id); } -static SYSDEV_ATTR(network, 0400, etr_network_id_show, NULL); +static DEVICE_ATTR(network, 0400, etr_network_id_show, NULL); -static ssize_t etr_id_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_id_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1267,10 +1279,10 @@ static ssize_t etr_id_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf1.etr_id); } -static SYSDEV_ATTR(id, 0400, etr_id_show, NULL); +static DEVICE_ATTR(id, 0400, etr_id_show, NULL); -static ssize_t etr_port_number_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_port_number_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1279,10 +1291,10 @@ static ssize_t etr_port_number_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf1.etr_pn); } -static SYSDEV_ATTR(port, 0400, etr_port_number_show, NULL); +static DEVICE_ATTR(port, 0400, etr_port_number_show, NULL); -static ssize_t etr_coupled_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_coupled_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1291,10 +1303,10 @@ static ssize_t etr_coupled_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf3.c); } -static SYSDEV_ATTR(coupled, 0400, etr_coupled_show, NULL); +static DEVICE_ATTR(coupled, 0400, etr_coupled_show, NULL); -static ssize_t etr_local_time_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_local_time_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1303,10 +1315,10 @@ static ssize_t etr_local_time_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf3.blto); } -static SYSDEV_ATTR(local_time, 0400, etr_local_time_show, NULL); +static DEVICE_ATTR(local_time, 0400, etr_local_time_show, NULL); -static ssize_t etr_utc_offset_show(struct sys_device *dev, - struct sysdev_attribute *attr, char *buf) +static ssize_t etr_utc_offset_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct etr_aib *aib = etr_aib_from_dev(dev); @@ -1315,64 +1327,64 @@ static ssize_t etr_utc_offset_show(struct sys_device *dev, return sprintf(buf, "%i\n", aib->edf3.buo); } -static SYSDEV_ATTR(utc_offset, 0400, etr_utc_offset_show, NULL); +static DEVICE_ATTR(utc_offset, 0400, etr_utc_offset_show, NULL); -static struct sysdev_attribute *etr_port_attributes[] = { - &attr_online, - &attr_stepping_control, - &attr_state_code, - &attr_untuned, - &attr_network, - &attr_id, - &attr_port, - &attr_coupled, - &attr_local_time, - &attr_utc_offset, +static struct device_attribute *etr_port_attributes[] = { + &dev_attr_online, + &dev_attr_stepping_control, + &dev_attr_state_code, + &dev_attr_untuned, + &dev_attr_network, + &dev_attr_id, + &dev_attr_port, + &dev_attr_coupled, + &dev_attr_local_time, + &dev_attr_utc_offset, NULL }; -static int __init etr_register_port(struct sys_device *dev) +static int __init etr_register_port(struct device *dev) { - struct sysdev_attribute **attr; + struct device_attribute **attr; int rc; - rc = sysdev_register(dev); + rc = device_register(dev); if (rc) goto out; for (attr = etr_port_attributes; *attr; attr++) { - rc = sysdev_create_file(dev, *attr); + rc = device_create_file(dev, *attr); if (rc) goto out_unreg; } return 0; out_unreg: for (; attr >= etr_port_attributes; attr--) - sysdev_remove_file(dev, *attr); - sysdev_unregister(dev); + device_remove_file(dev, *attr); + device_unregister(dev); out: return rc; } -static void __init etr_unregister_port(struct sys_device *dev) +static void __init etr_unregister_port(struct device *dev) { - struct sysdev_attribute **attr; + struct device_attribute **attr; for (attr = etr_port_attributes; *attr; attr++) - sysdev_remove_file(dev, *attr); - sysdev_unregister(dev); + device_remove_file(dev, *attr); + device_unregister(dev); } static int __init etr_init_sysfs(void) { int rc; - rc = sysdev_class_register(&etr_sysclass); + rc = subsys_system_register(&etr_subsys, NULL); if (rc) goto out; - rc = sysdev_class_create_file(&etr_sysclass, &attr_stepping_port); + rc = device_create_file(etr_subsys.dev_root, &dev_attr_stepping_port); if (rc) - goto out_unreg_class; - rc = sysdev_class_create_file(&etr_sysclass, &attr_stepping_mode); + goto out_unreg_subsys; + rc = device_create_file(etr_subsys.dev_root, &dev_attr_stepping_mode); if (rc) goto out_remove_stepping_port; rc = etr_register_port(&etr_port0_dev); @@ -1386,11 +1398,11 @@ static int __init etr_init_sysfs(void) out_remove_port0: etr_unregister_port(&etr_port0_dev); out_remove_stepping_mode: - sysdev_class_remove_file(&etr_sysclass, &attr_stepping_mode); + device_remove_file(etr_subsys.dev_root, &dev_attr_stepping_mode); out_remove_stepping_port: - sysdev_class_remove_file(&etr_sysclass, &attr_stepping_port); -out_unreg_class: - sysdev_class_unregister(&etr_sysclass); + device_remove_file(etr_subsys.dev_root, &dev_attr_stepping_port); +out_unreg_subsys: + bus_unregister(&etr_subsys); out: return rc; } @@ -1522,10 +1534,10 @@ static int stp_sync_clock(void *data) if (stp_info.todoff[0] || stp_info.todoff[1] || stp_info.todoff[2] || stp_info.todoff[3] || stp_info.tmd != 2) { - old_clock = get_clock(); + old_clock = get_tod_clock(); rc = chsc_sstpc(stp_page, STP_OP_SYNC, 0); if (rc == 0) { - delta = adjust_time(old_clock, get_clock(), 0); + delta = adjust_time(old_clock, get_tod_clock(), 0); fixup_clock_comparator(delta); rc = chsc_sstpi(stp_page, &stp_info, sizeof(struct stp_sstpi)); @@ -1575,7 +1587,7 @@ static void stp_work_fn(struct work_struct *work) memset(&stp_sync, 0, sizeof(stp_sync)); get_online_cpus(); atomic_set(&stp_sync.cpus, num_online_cpus() - 1); - stop_machine(stp_sync_clock, &stp_sync, &cpu_online_map); + stop_machine(stp_sync_clock, &stp_sync, cpu_online_mask); put_online_cpus(); if (!check_sync_clock()) @@ -1590,14 +1602,15 @@ out_unlock: } /* - * STP class sysfs interface functions + * STP subsys sysfs interface functions */ -static struct sysdev_class stp_sysclass = { - .name = "stp", +static struct bus_type stp_subsys = { + .name = "stp", + .dev_name = "stp", }; -static ssize_t stp_ctn_id_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_ctn_id_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online) @@ -1606,10 +1619,10 @@ static ssize_t stp_ctn_id_show(struct sysdev_class *class, *(unsigned long long *) stp_info.ctnid); } -static SYSDEV_CLASS_ATTR(ctn_id, 0400, stp_ctn_id_show, NULL); +static DEVICE_ATTR(ctn_id, 0400, stp_ctn_id_show, NULL); -static ssize_t stp_ctn_type_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_ctn_type_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online) @@ -1617,10 +1630,10 @@ static ssize_t stp_ctn_type_show(struct sysdev_class *class, return sprintf(buf, "%i\n", stp_info.ctn); } -static SYSDEV_CLASS_ATTR(ctn_type, 0400, stp_ctn_type_show, NULL); +static DEVICE_ATTR(ctn_type, 0400, stp_ctn_type_show, NULL); -static ssize_t stp_dst_offset_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_dst_offset_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online || !(stp_info.vbits & 0x2000)) @@ -1628,10 +1641,10 @@ static ssize_t stp_dst_offset_show(struct sysdev_class *class, return sprintf(buf, "%i\n", (int)(s16) stp_info.dsto); } -static SYSDEV_CLASS_ATTR(dst_offset, 0400, stp_dst_offset_show, NULL); +static DEVICE_ATTR(dst_offset, 0400, stp_dst_offset_show, NULL); -static ssize_t stp_leap_seconds_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_leap_seconds_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online || !(stp_info.vbits & 0x8000)) @@ -1639,10 +1652,10 @@ static ssize_t stp_leap_seconds_show(struct sysdev_class *class, return sprintf(buf, "%i\n", (int)(s16) stp_info.leaps); } -static SYSDEV_CLASS_ATTR(leap_seconds, 0400, stp_leap_seconds_show, NULL); +static DEVICE_ATTR(leap_seconds, 0400, stp_leap_seconds_show, NULL); -static ssize_t stp_stratum_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_stratum_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online) @@ -1650,10 +1663,10 @@ static ssize_t stp_stratum_show(struct sysdev_class *class, return sprintf(buf, "%i\n", (int)(s16) stp_info.stratum); } -static SYSDEV_CLASS_ATTR(stratum, 0400, stp_stratum_show, NULL); +static DEVICE_ATTR(stratum, 0400, stp_stratum_show, NULL); -static ssize_t stp_time_offset_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_time_offset_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online || !(stp_info.vbits & 0x0800)) @@ -1661,10 +1674,10 @@ static ssize_t stp_time_offset_show(struct sysdev_class *class, return sprintf(buf, "%i\n", (int) stp_info.tto); } -static SYSDEV_CLASS_ATTR(time_offset, 0400, stp_time_offset_show, NULL); +static DEVICE_ATTR(time_offset, 0400, stp_time_offset_show, NULL); -static ssize_t stp_time_zone_offset_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_time_zone_offset_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online || !(stp_info.vbits & 0x4000)) @@ -1672,11 +1685,11 @@ static ssize_t stp_time_zone_offset_show(struct sysdev_class *class, return sprintf(buf, "%i\n", (int)(s16) stp_info.tzo); } -static SYSDEV_CLASS_ATTR(time_zone_offset, 0400, +static DEVICE_ATTR(time_zone_offset, 0400, stp_time_zone_offset_show, NULL); -static ssize_t stp_timing_mode_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_timing_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online) @@ -1684,10 +1697,10 @@ static ssize_t stp_timing_mode_show(struct sysdev_class *class, return sprintf(buf, "%i\n", stp_info.tmd); } -static SYSDEV_CLASS_ATTR(timing_mode, 0400, stp_timing_mode_show, NULL); +static DEVICE_ATTR(timing_mode, 0400, stp_timing_mode_show, NULL); -static ssize_t stp_timing_state_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_timing_state_show(struct device *dev, + struct device_attribute *attr, char *buf) { if (!stp_online) @@ -1695,17 +1708,17 @@ static ssize_t stp_timing_state_show(struct sysdev_class *class, return sprintf(buf, "%i\n", stp_info.tst); } -static SYSDEV_CLASS_ATTR(timing_state, 0400, stp_timing_state_show, NULL); +static DEVICE_ATTR(timing_state, 0400, stp_timing_state_show, NULL); -static ssize_t stp_online_show(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_online_show(struct device *dev, + struct device_attribute *attr, char *buf) { return sprintf(buf, "%i\n", stp_online); } -static ssize_t stp_online_store(struct sysdev_class *class, - struct sysdev_class_attribute *attr, +static ssize_t stp_online_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { unsigned int value; @@ -1727,47 +1740,47 @@ static ssize_t stp_online_store(struct sysdev_class *class, } /* - * Can't use SYSDEV_CLASS_ATTR because the attribute should be named - * stp/online but attr_online already exists in this file .. + * Can't use DEVICE_ATTR because the attribute should be named + * stp/online but dev_attr_online already exists in this file .. */ -static struct sysdev_class_attribute attr_stp_online = { +static struct device_attribute dev_attr_stp_online = { .attr = { .name = "online", .mode = 0600 }, .show = stp_online_show, .store = stp_online_store, }; -static struct sysdev_class_attribute *stp_attributes[] = { - &attr_ctn_id, - &attr_ctn_type, - &attr_dst_offset, - &attr_leap_seconds, - &attr_stp_online, - &attr_stratum, - &attr_time_offset, - &attr_time_zone_offset, - &attr_timing_mode, - &attr_timing_state, +static struct device_attribute *stp_attributes[] = { + &dev_attr_ctn_id, + &dev_attr_ctn_type, + &dev_attr_dst_offset, + &dev_attr_leap_seconds, + &dev_attr_stp_online, + &dev_attr_stratum, + &dev_attr_time_offset, + &dev_attr_time_zone_offset, + &dev_attr_timing_mode, + &dev_attr_timing_state, NULL }; static int __init stp_init_sysfs(void) { - struct sysdev_class_attribute **attr; + struct device_attribute **attr; int rc; - rc = sysdev_class_register(&stp_sysclass); + rc = subsys_system_register(&stp_subsys, NULL); if (rc) goto out; for (attr = stp_attributes; *attr; attr++) { - rc = sysdev_class_create_file(&stp_sysclass, *attr); + rc = device_create_file(stp_subsys.dev_root, *attr); if (rc) goto out_unreg; } return 0; out_unreg: for (; attr >= stp_attributes; attr--) - sysdev_class_remove_file(&stp_sysclass, *attr); - sysdev_class_unregister(&stp_sysclass); + device_remove_file(stp_subsys.dev_root, *attr); + bus_unregister(&stp_subsys); out: return rc; } |