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| author | Jesper Nilsson <jesper.nilsson@axis.com> | 2007-11-14 17:01:23 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-14 18:45:47 -0800 |
| commit | d8e5219f9f5ca7518eb820db9f3d287a1d46fcf5 (patch) | |
| tree | af996eb526010d0f5106df12de646cc1dd64b29e /include/asm-cris | |
| parent | 3244c77bd3460e9701ffeecc2452d7f2ee17106c (diff) | |
| download | linux-d8e5219f9f5ca7518eb820db9f3d287a1d46fcf5.tar.gz linux-d8e5219f9f5ca7518eb820db9f3d287a1d46fcf5.tar.bz2 linux-d8e5219f9f5ca7518eb820db9f3d287a1d46fcf5.zip | |
CRISv10 improve and bugfix fasttimer
Improve and bugfix CRIS v10 fast timers.
- irq_handler_t now only takes two arguments.
- Keep interrupts disabled as long as we have a reference to the
fasttimer list and only enable them while doing the callback.
del_fast_timer may be called from other interrupt context.
- Fix bug where debug code could return without calling local_irq_restore.
- Use jiffies instead of usec (change from struct timeval to fasttime_t).
- Don't initialize static variables to zero.
- Remove obsolete #ifndef DECLARE_WAITQUEUE code.
- fast_timer_init should be __initcall.
- Change status/debug variables to unsigned.
- Remove CVS log and CVS id.
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Mikael Starvik <mikael.starvik@axis.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-cris')
| -rw-r--r-- | include/asm-cris/fasttimer.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/include/asm-cris/fasttimer.h b/include/asm-cris/fasttimer.h index a3a77132ce32..8f8a8d6c9653 100644 --- a/include/asm-cris/fasttimer.h +++ b/include/asm-cris/fasttimer.h @@ -1,9 +1,8 @@ -/* $Id: fasttimer.h,v 1.3 2004/05/14 10:19:19 starvik Exp $ +/* * linux/include/asm-cris/fasttimer.h * * Fast timers for ETRAX100LX - * This may be useful in other OS than Linux so use 2 space indentation... - * Copyright (C) 2000, 2002 Axis Communications AB + * Copyright (C) 2000-2007 Axis Communications AB */ #include <linux/time.h> /* struct timeval */ #include <linux/timex.h> @@ -12,11 +11,16 @@ typedef void fast_timer_function_type(unsigned long); +struct fasttime_t { + unsigned long tv_jiff; /* jiffies */ + unsigned long tv_usec; /* microseconds */ +}; + struct fast_timer{ /* Close to timer_list */ struct fast_timer *next; struct fast_timer *prev; - struct timeval tv_set; - struct timeval tv_expires; + struct fasttime_t tv_set; + struct fasttime_t tv_expires; unsigned long delay_us; fast_timer_function_type *function; unsigned long data; @@ -38,6 +42,6 @@ int del_fast_timer(struct fast_timer * t); void schedule_usleep(unsigned long us); -void fast_timer_init(void); +int fast_timer_init(void); #endif |