diff options
Diffstat (limited to 'drivers/char/ipmi/ipmi_si_intf.c')
| -rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 69 |
1 files changed, 1 insertions, 68 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 02a7dd7a8a5..bd4f2248b75 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -55,23 +55,6 @@ #include <linux/mutex.h> #include <linux/kthread.h> #include <asm/irq.h> -#ifdef CONFIG_HIGH_RES_TIMERS -#include <linux/hrtime.h> -# if defined(schedule_next_int) -/* Old high-res timer code, do translations. */ -# define get_arch_cycles(a) quick_update_jiffies_sub(a) -# define arch_cycles_per_jiffy cycles_per_jiffies -# endif -static inline void add_usec_to_timer(struct timer_list *t, long v) -{ - t->arch_cycle_expires += nsec_to_arch_cycle(v * 1000); - while (t->arch_cycle_expires >= arch_cycles_per_jiffy) - { - t->expires++; - t->arch_cycle_expires -= arch_cycles_per_jiffy; - } -} -#endif #include <linux/interrupt.h> #include <linux/rcupdate.h> #include <linux/ipmi_smi.h> @@ -243,8 +226,6 @@ static int register_xaction_notifier(struct notifier_block * nb) return atomic_notifier_chain_register(&xaction_notifier_list, nb); } -static void si_restart_short_timer(struct smi_info *smi_info); - static void deliver_recv_msg(struct smi_info *smi_info, struct ipmi_smi_msg *msg) { @@ -768,7 +749,6 @@ static void sender(void *send_info, && (smi_info->curr_msg == NULL)) { start_next_msg(smi_info); - si_restart_short_timer(smi_info); } spin_unlock_irqrestore(&(smi_info->si_lock), flags); } @@ -809,7 +789,7 @@ static int ipmi_thread(void *data) /* do nothing */ } else if (smi_result == SI_SM_CALL_WITH_DELAY) - udelay(1); + schedule(); else schedule_timeout_interruptible(1); } @@ -833,37 +813,6 @@ static void request_events(void *send_info) static int initialized = 0; -/* Must be called with interrupts off and with the si_lock held. */ -static void si_restart_short_timer(struct smi_info *smi_info) -{ -#if defined(CONFIG_HIGH_RES_TIMERS) - unsigned long flags; - unsigned long jiffies_now; - unsigned long seq; - - if (del_timer(&(smi_info->si_timer))) { - /* If we don't delete the timer, then it will go off - immediately, anyway. So we only process if we - actually delete the timer. */ - - do { - seq = read_seqbegin_irqsave(&xtime_lock, flags); - jiffies_now = jiffies; - smi_info->si_timer.expires = jiffies_now; - smi_info->si_timer.arch_cycle_expires - = get_arch_cycles(jiffies_now); - } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); - - add_usec_to_timer(&smi_info->si_timer, SI_SHORT_TIMEOUT_USEC); - - add_timer(&(smi_info->si_timer)); - spin_lock_irqsave(&smi_info->count_lock, flags); - smi_info->timeout_restarts++; - spin_unlock_irqrestore(&smi_info->count_lock, flags); - } -#endif -} - static void smi_timeout(unsigned long data) { struct smi_info *smi_info = (struct smi_info *) data; @@ -904,31 +853,15 @@ static void smi_timeout(unsigned long data) /* If the state machine asks for a short delay, then shorten the timer timeout. */ if (smi_result == SI_SM_CALL_WITH_DELAY) { -#if defined(CONFIG_HIGH_RES_TIMERS) - unsigned long seq; -#endif spin_lock_irqsave(&smi_info->count_lock, flags); smi_info->short_timeouts++; spin_unlock_irqrestore(&smi_info->count_lock, flags); -#if defined(CONFIG_HIGH_RES_TIMERS) - do { - seq = read_seqbegin_irqsave(&xtime_lock, flags); - smi_info->si_timer.expires = jiffies; - smi_info->si_timer.arch_cycle_expires - = get_arch_cycles(smi_info->si_timer.expires); - } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); - add_usec_to_timer(&smi_info->si_timer, SI_SHORT_TIMEOUT_USEC); -#else smi_info->si_timer.expires = jiffies + 1; -#endif } else { spin_lock_irqsave(&smi_info->count_lock, flags); smi_info->long_timeouts++; spin_unlock_irqrestore(&smi_info->count_lock, flags); smi_info->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES; -#if defined(CONFIG_HIGH_RES_TIMERS) - smi_info->si_timer.arch_cycle_expires = 0; -#endif } do_add_timer: |