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-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 101c14b9b26d..bd4f2248b758 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -55,23 +55,6 @@
55#include <linux/mutex.h> 55#include <linux/mutex.h>
56#include <linux/kthread.h> 56#include <linux/kthread.h>
57#include <asm/irq.h> 57#include <asm/irq.h>
58#ifdef CONFIG_HIGH_RES_TIMERS
59#include <linux/hrtime.h>
60# if defined(schedule_next_int)
61/* Old high-res timer code, do translations. */
62# define get_arch_cycles(a) quick_update_jiffies_sub(a)
63# define arch_cycles_per_jiffy cycles_per_jiffies
64# endif
65static inline void add_usec_to_timer(struct timer_list *t, long v)
66{
67 t->arch_cycle_expires += nsec_to_arch_cycle(v * 1000);
68 while (t->arch_cycle_expires >= arch_cycles_per_jiffy)
69 {
70 t->expires++;
71 t->arch_cycle_expires -= arch_cycles_per_jiffy;
72 }
73}
74#endif
75#include <linux/interrupt.h> 58#include <linux/interrupt.h>
76#include <linux/rcupdate.h> 59#include <linux/rcupdate.h>
77#include <linux/ipmi_smi.h> 60#include <linux/ipmi_smi.h>
@@ -243,8 +226,6 @@ static int register_xaction_notifier(struct notifier_block * nb)
243 return atomic_notifier_chain_register(&xaction_notifier_list, nb); 226 return atomic_notifier_chain_register(&xaction_notifier_list, nb);
244} 227}
245 228
246static void si_restart_short_timer(struct smi_info *smi_info);
247
248static void deliver_recv_msg(struct smi_info *smi_info, 229static void deliver_recv_msg(struct smi_info *smi_info,
249 struct ipmi_smi_msg *msg) 230 struct ipmi_smi_msg *msg)
250{ 231{
@@ -768,7 +749,6 @@ static void sender(void *send_info,
768 && (smi_info->curr_msg == NULL)) 749 && (smi_info->curr_msg == NULL))
769 { 750 {
770 start_next_msg(smi_info); 751 start_next_msg(smi_info);
771 si_restart_short_timer(smi_info);
772 } 752 }
773 spin_unlock_irqrestore(&(smi_info->si_lock), flags); 753 spin_unlock_irqrestore(&(smi_info->si_lock), flags);
774} 754}
@@ -833,37 +813,6 @@ static void request_events(void *send_info)
833 813
834static int initialized = 0; 814static int initialized = 0;
835 815
836/* Must be called with interrupts off and with the si_lock held. */
837static void si_restart_short_timer(struct smi_info *smi_info)
838{
839#if defined(CONFIG_HIGH_RES_TIMERS)
840 unsigned long flags;
841 unsigned long jiffies_now;
842 unsigned long seq;
843
844 if (del_timer(&(smi_info->si_timer))) {
845 /* If we don't delete the timer, then it will go off
846 immediately, anyway. So we only process if we
847 actually delete the timer. */
848
849 do {
850 seq = read_seqbegin_irqsave(&xtime_lock, flags);
851 jiffies_now = jiffies;
852 smi_info->si_timer.expires = jiffies_now;
853 smi_info->si_timer.arch_cycle_expires
854 = get_arch_cycles(jiffies_now);
855 } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
856
857 add_usec_to_timer(&smi_info->si_timer, SI_SHORT_TIMEOUT_USEC);
858
859 add_timer(&(smi_info->si_timer));
860 spin_lock_irqsave(&smi_info->count_lock, flags);
861 smi_info->timeout_restarts++;
862 spin_unlock_irqrestore(&smi_info->count_lock, flags);
863 }
864#endif
865}
866
867static void smi_timeout(unsigned long data) 816static void smi_timeout(unsigned long data)
868{ 817{
869 struct smi_info *smi_info = (struct smi_info *) data; 818 struct smi_info *smi_info = (struct smi_info *) data;
@@ -904,31 +853,15 @@ static void smi_timeout(unsigned long data)
904 /* If the state machine asks for a short delay, then shorten 853 /* If the state machine asks for a short delay, then shorten
905 the timer timeout. */ 854 the timer timeout. */
906 if (smi_result == SI_SM_CALL_WITH_DELAY) { 855 if (smi_result == SI_SM_CALL_WITH_DELAY) {
907#if defined(CONFIG_HIGH_RES_TIMERS)
908 unsigned long seq;
909#endif
910 spin_lock_irqsave(&smi_info->count_lock, flags); 856 spin_lock_irqsave(&smi_info->count_lock, flags);
911 smi_info->short_timeouts++; 857 smi_info->short_timeouts++;
912 spin_unlock_irqrestore(&smi_info->count_lock, flags); 858 spin_unlock_irqrestore(&smi_info->count_lock, flags);
913#if defined(CONFIG_HIGH_RES_TIMERS)
914 do {
915 seq = read_seqbegin_irqsave(&xtime_lock, flags);
916 smi_info->si_timer.expires = jiffies;
917 smi_info->si_timer.arch_cycle_expires
918 = get_arch_cycles(smi_info->si_timer.expires);
919 } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
920 add_usec_to_timer(&smi_info->si_timer, SI_SHORT_TIMEOUT_USEC);
921#else
922 smi_info->si_timer.expires = jiffies + 1; 859 smi_info->si_timer.expires = jiffies + 1;
923#endif
924 } else { 860 } else {
925 spin_lock_irqsave(&smi_info->count_lock, flags); 861 spin_lock_irqsave(&smi_info->count_lock, flags);
926 smi_info->long_timeouts++; 862 smi_info->long_timeouts++;
927 spin_unlock_irqrestore(&smi_info->count_lock, flags); 863 spin_unlock_irqrestore(&smi_info->count_lock, flags);
928 smi_info->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES; 864 smi_info->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES;
929#if defined(CONFIG_HIGH_RES_TIMERS)
930 smi_info->si_timer.arch_cycle_expires = 0;
931#endif
932 } 865 }
933 866
934 do_add_timer: 867 do_add_timer: