X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fcris%2Farch-v10%2Fkernel%2Ffasttimer.c;h=cac05a5e514cf19817d3a28b49b6ca3d0c92c07d;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=2c2cb60c4710b281615ecd502fa6fb4a73712c2f;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/arch/cris/arch-v10/kernel/fasttimer.c b/arch/cris/arch-v10/kernel/fasttimer.c index 2c2cb60c4..cac05a5e5 100644 --- a/arch/cris/arch-v10/kernel/fasttimer.c +++ b/arch/cris/arch-v10/kernel/fasttimer.c @@ -1,10 +1,26 @@ -/* $Id: fasttimer.c,v 1.4 2003/07/04 08:27:41 starvik Exp $ +/* $Id: fasttimer.c,v 1.9 2005/03/04 08:16:16 starvik Exp $ * linux/arch/cris/kernel/fasttimer.c * * Fast timers for ETRAX100/ETRAX100LX * This may be useful in other OS than Linux so use 2 space indentation... * * $Log: fasttimer.c,v $ + * Revision 1.9 2005/03/04 08:16:16 starvik + * Merge of Linux 2.6.11. + * + * Revision 1.8 2005/01/05 06:09:29 starvik + * cli()/sti() will be obsolete in 2.6.11. + * + * Revision 1.7 2005/01/03 13:35:46 starvik + * Removed obsolete stuff. + * Mark fast timer IRQ as not shared. + * + * Revision 1.6 2004/05/14 10:18:39 starvik + * Export fast_timer_list + * + * Revision 1.5 2004/05/14 07:58:01 starvik + * Merge of changes from 2.4 + * * Revision 1.4 2003/07/04 08:27:41 starvik * Merge of Linux 2.5.74 * @@ -96,7 +112,6 @@ #include #include -#include #include #include @@ -130,7 +145,7 @@ static int fast_timers_deleted = 0; static int fast_timer_is_init = 0; static int fast_timer_ints = 0; -static struct fast_timer *fast_timer_list = NULL; +struct fast_timer *fast_timer_list = NULL; #ifdef DEBUG_LOG_INCLUDED #define DEBUG_LOG_MAX 128 @@ -142,8 +157,7 @@ static int debug_log_cnt_wrapped = 0; #define DEBUG_LOG(string, value) \ { \ unsigned long log_flags; \ - save_flags(log_flags); \ - cli(); \ + local_irq_save(log_flags); \ debug_log_string[debug_log_cnt] = (string); \ debug_log_value[debug_log_cnt] = (unsigned long)(value); \ if (++debug_log_cnt >= DEBUG_LOG_MAX) \ @@ -151,7 +165,7 @@ static int debug_log_cnt_wrapped = 0; debug_log_cnt = debug_log_cnt % DEBUG_LOG_MAX; \ debug_log_cnt_wrapped = 1; \ } \ - restore_flags(log_flags); \ + local_irq_restore(log_flags); \ } #else #define DEBUG_LOG(string, value) @@ -314,8 +328,7 @@ void start_one_shot_timer(struct fast_timer *t, D1(printk("sft %s %d us\n", name, delay_us)); - save_flags(flags); - cli(); + local_irq_save(flags); do_gettimeofday_fast(&t->tv_set); tmp = fast_timer_list; @@ -325,7 +338,8 @@ void start_one_shot_timer(struct fast_timer *t, { if (tmp == t) { - printk("timer name: %s data: 0x%08lX already in list!\n", name, data); + printk(KERN_WARNING + "timer name: %s data: 0x%08lX already in list!\n", name, data); sanity_failed++; return; } @@ -388,7 +402,7 @@ void start_one_shot_timer(struct fast_timer *t, D2(printk("start_one_shot_timer: %d us done\n", delay_us)); - restore_flags(flags); + local_irq_restore(flags); } /* start_one_shot_timer */ static inline int fast_timer_pending (const struct fast_timer * t) @@ -418,11 +432,10 @@ int del_fast_timer(struct fast_timer * t) unsigned long flags; int ret; - save_flags(flags); - cli(); + local_irq_save(flags); ret = detach_fast_timer(t); t->next = t->prev = NULL; - restore_flags(flags); + local_irq_restore(flags); return ret; } /* del_fast_timer */ @@ -437,8 +450,7 @@ timer1_handler(int irq, void *dev_id, struct pt_regs *regs) struct fast_timer *t; unsigned long flags; - save_flags(flags); - cli(); + local_irq_save(flags); /* Clear timer1 irq */ *R_IRQ_MASK0_CLR = IO_STATE(R_IRQ_MASK0_CLR, timer1, clr); @@ -455,7 +467,7 @@ timer1_handler(int irq, void *dev_id, struct pt_regs *regs) fast_timer_running = 0; fast_timer_ints++; - restore_flags(flags); + local_irq_restore(flags); t = fast_timer_list; while (t) @@ -475,8 +487,7 @@ timer1_handler(int irq, void *dev_id, struct pt_regs *regs) fast_timers_expired++; /* Remove this timer before call, since it may reuse the timer */ - save_flags(flags); - cli(); + local_irq_save(flags); if (t->prev) { t->prev->next = t->next; @@ -491,7 +502,7 @@ timer1_handler(int irq, void *dev_id, struct pt_regs *regs) } t->prev = NULL; t->next = NULL; - restore_flags(flags); + local_irq_restore(flags); if (t->function != NULL) { @@ -508,8 +519,7 @@ timer1_handler(int irq, void *dev_id, struct pt_regs *regs) D1(printk(".\n")); } - save_flags(flags); - cli(); + local_irq_save(flags); if ((t = fast_timer_list) != NULL) { /* Start next timer.. */ @@ -528,7 +538,7 @@ timer1_handler(int irq, void *dev_id, struct pt_regs *regs) #endif start_timer1(us); } - restore_flags(flags); + local_irq_restore(flags); break; } else @@ -539,7 +549,7 @@ timer1_handler(int irq, void *dev_id, struct pt_regs *regs) D1(printk("e! %d\n", us)); } } - restore_flags(flags); + local_irq_restore(flags); } if (!t) @@ -592,23 +602,8 @@ void schedule_usleep(unsigned long us) #ifdef CONFIG_PROC_FS static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0) - ,int *eof, void *data_unused -#else - ,int unused -#endif - ); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0) + ,int *eof, void *data_unused); static struct proc_dir_entry *fasttimer_proc_entry; -#else -static struct proc_dir_entry fasttimer_proc_entry = -{ - 0, 9, "fasttimer", - S_IFREG | S_IRUGO, 1, 0, 0, - 0, NULL /* ops -- default to array */, - &proc_fasttimer_read /* get_info */, -}; -#endif #endif /* CONFIG_PROC_FS */ #ifdef CONFIG_PROC_FS @@ -617,12 +612,7 @@ static struct proc_dir_entry fasttimer_proc_entry = #define BIG_BUF_SIZE (500 + NUM_TIMER_STATS * 300) static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0) - ,int *eof, void *data_unused -#else - ,int unused -#endif - ) + ,int *eof, void *data_unused) { unsigned long flags; int i = 0; @@ -761,13 +751,12 @@ static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len #endif used += sprintf(bigbuf + used, "Active timers:\n"); - save_flags(flags); - cli(); + local_irq_save(flags); t = fast_timer_list; while (t != NULL && (used+100 < BIG_BUF_SIZE)) { nextt = t->next; - restore_flags(flags); + local_irq_restore(flags); used += sprintf(bigbuf + used, "%-14s s: %6lu.%06lu e: %6lu.%06lu " "d: %6li us data: 0x%08lX" /* " func: 0x%08lX" */ @@ -781,14 +770,14 @@ static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len t->data /* , t->function */ ); - cli(); + local_irq_disable(); if (t->next != nextt) { - printk("timer removed!\n"); + printk(KERN_WARNING "timer removed!\n"); } t = nextt; } - restore_flags(flags); + local_irq_restore(flags); } if (used - offset < len) @@ -798,9 +787,7 @@ static int proc_fasttimer_read(char *buf, char **start, off_t offset, int len memcpy(buf, bigbuf + offset, len); *start = buf; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0) *eof = 1; -#endif return len; } @@ -965,7 +952,7 @@ void fast_timer_init(void) int i; #endif - printk("fast_timer_init()\n"); + printk(KERN_INFO "fast_timer_init()\n"); #if 0 && defined(FAST_TIMER_TEST) for (i = 0; i <= TIMER0_DIV; i++) @@ -975,14 +962,10 @@ void fast_timer_init(void) } #endif #ifdef CONFIG_PROC_FS -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,2,0) if ((fasttimer_proc_entry = create_proc_entry( "fasttimer", 0, 0 ))) fasttimer_proc_entry->read_proc = proc_fasttimer_read; -#else - proc_register_dynamic(&proc_root, &fasttimer_proc_entry); -#endif #endif /* PROC_FS */ - if(request_irq(TIMER1_IRQ_NBR, timer1_handler, SA_SHIRQ, + if(request_irq(TIMER1_IRQ_NBR, timer1_handler, 0, "fast timer int", NULL)) { printk("err: timer1 irq\n");