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[PATCH] timer initialization cleanup: DEFINE_TIMER
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Clean up timer initialization by introducing DEFINE_TIMER a'la
DEFINE_SPINLOCK.  Build and boot-tested on x86.  A similar patch has been
been in the -RT tree for some time.

Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Ingo Molnar authored and Linus Torvalds committed Sep 9, 2005
1 parent 7c352bd commit 8d06afa
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Showing 45 changed files with 62 additions and 89 deletions.
3 changes: 1 addition & 2 deletions arch/i386/kernel/time.c
Original file line number Diff line number Diff line change
Expand Up @@ -329,8 +329,7 @@ EXPORT_SYMBOL(get_cmos_time);

static void sync_cmos_clock(unsigned long dummy);

static struct timer_list sync_cmos_timer =
TIMER_INITIALIZER(sync_cmos_clock, 0, 0);
static DEFINE_TIMER(sync_cmos_timer, sync_cmos_clock, 0, 0);

static void sync_cmos_clock(unsigned long dummy)
{
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2 changes: 1 addition & 1 deletion arch/m68k/amiga/amisound.c
Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,7 @@ void __init amiga_init_sound(void)
}

static void nosound( unsigned long ignored );
static struct timer_list sound_timer = TIMER_INITIALIZER(nosound, 0, 0);
static DEFINE_TIMER(sound_timer, nosound, 0, 0);

void amiga_mksound( unsigned int hz, unsigned int ticks )
{
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3 changes: 1 addition & 2 deletions arch/m68k/mac/macboing.c
Original file line number Diff line number Diff line change
Expand Up @@ -56,8 +56,7 @@ static void ( *mac_special_bell )( unsigned int, unsigned int, unsigned int );
/*
* our timer to start/continue/stop the bell
*/
static struct timer_list mac_sound_timer =
TIMER_INITIALIZER(mac_nosound, 0, 0);
static DEFINE_TIMER(mac_sound_timer, mac_nosound, 0, 0);

/*
* Sort of initialize the sound chip (called from mac_mksound on the first
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2 changes: 1 addition & 1 deletion arch/ppc/8xx_io/cs4218_tdm.c
Original file line number Diff line number Diff line change
Expand Up @@ -1380,7 +1380,7 @@ static void cs_nosound(unsigned long xx)
spin_unlock_irqrestore(&cs4218_lock, flags);
}

static struct timer_list beep_timer = TIMER_INITIALIZER(cs_nosound, 0, 0);
static DEFINE_TIMER(beep_timer, cs_nosound, 0, 0);
};

static void cs_mksound(unsigned int hz, unsigned int ticks)
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12 changes: 4 additions & 8 deletions drivers/acorn/block/fd1772.c
Original file line number Diff line number Diff line change
Expand Up @@ -376,19 +376,15 @@ static void do_fd_request(request_queue_t *);

/************************* End of Prototypes **************************/

static struct timer_list motor_off_timer =
TIMER_INITIALIZER(fd_motor_off_timer, 0, 0);
static DEFINE_TIMER(motor_off_timer, fd_motor_off_timer, 0, 0);

#ifdef TRACKBUFFER
static struct timer_list readtrack_timer =
TIMER_INITIALIZER(fd_readtrack_check, 0, 0);
static DEFINE_TIMER(readtrack_timer, fd_readtrack_check, 0, 0);
#endif

static struct timer_list timeout_timer =
TIMER_INITIALIZER(fd_times_out, 0, 0);
static DEFINE_TIMER(timeout_timer, fd_times_out, 0, 0);

static struct timer_list fd_timer =
TIMER_INITIALIZER(check_change, 0, 0);
static DEFINE_TIMER(fd_timer, check_change, 0, 0);

/* DAG: Haven't got a clue what this is? */
int stdma_islocked(void)
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6 changes: 2 additions & 4 deletions drivers/atm/idt77105.c
Original file line number Diff line number Diff line change
Expand Up @@ -50,10 +50,8 @@ static void idt77105_stats_timer_func(unsigned long);
static void idt77105_restart_timer_func(unsigned long);


static struct timer_list stats_timer =
TIMER_INITIALIZER(idt77105_stats_timer_func, 0, 0);
static struct timer_list restart_timer =
TIMER_INITIALIZER(idt77105_restart_timer_func, 0, 0);
static DEFINE_TIMER(stats_timer, idt77105_stats_timer_func, 0, 0);
static DEFINE_TIMER(restart_timer, idt77105_restart_timer_func, 0, 0);
static int start_timer = 1;
static struct idt77105_priv *idt77105_all = NULL;

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2 changes: 1 addition & 1 deletion drivers/atm/iphase.c
Original file line number Diff line number Diff line change
Expand Up @@ -79,7 +79,7 @@ static IADEV *ia_dev[8];
static struct atm_dev *_ia_dev[8];
static int iadev_count;
static void ia_led_timer(unsigned long arg);
static struct timer_list ia_timer = TIMER_INITIALIZER(ia_led_timer, 0, 0);
static DEFINE_TIMER(ia_timer, ia_led_timer, 0, 0);
static int IA_TX_BUF = DFL_TX_BUFFERS, IA_TX_BUF_SZ = DFL_TX_BUF_SZ;
static int IA_RX_BUF = DFL_RX_BUFFERS, IA_RX_BUF_SZ = DFL_RX_BUF_SZ;
static uint IADebugFlag = /* IF_IADBG_ERR | IF_IADBG_CBR| IF_IADBG_INIT_ADAPTER
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2 changes: 1 addition & 1 deletion drivers/block/acsi.c
Original file line number Diff line number Diff line change
Expand Up @@ -371,7 +371,7 @@ static int acsi_revalidate (struct gendisk *disk);
/************************* End of Prototypes **************************/


struct timer_list acsi_timer = TIMER_INITIALIZER(acsi_times_out, 0, 0);
DEFINE_TIMER(acsi_timer, acsi_times_out, 0, 0);


#ifdef CONFIG_ATARI_SLM
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2 changes: 1 addition & 1 deletion drivers/block/acsi_slm.c
Original file line number Diff line number Diff line change
Expand Up @@ -268,7 +268,7 @@ static int slm_get_pagesize( int device, int *w, int *h );
/************************* End of Prototypes **************************/


static struct timer_list slm_timer = TIMER_INITIALIZER(slm_test_ready, 0, 0);
static DEFINE_TIMER(slm_timer, slm_test_ready, 0, 0);

static struct file_operations slm_fops = {
.owner = THIS_MODULE,
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14 changes: 4 additions & 10 deletions drivers/block/ataflop.c
Original file line number Diff line number Diff line change
Expand Up @@ -371,16 +371,10 @@ static int floppy_release( struct inode * inode, struct file * filp );

/************************* End of Prototypes **************************/

static struct timer_list motor_off_timer =
TIMER_INITIALIZER(fd_motor_off_timer, 0, 0);
static struct timer_list readtrack_timer =
TIMER_INITIALIZER(fd_readtrack_check, 0, 0);

static struct timer_list timeout_timer =
TIMER_INITIALIZER(fd_times_out, 0, 0);

static struct timer_list fd_timer =
TIMER_INITIALIZER(check_change, 0, 0);
static DEFINE_TIMER(motor_off_timer, fd_motor_off_timer, 0, 0);
static DEFINE_TIMER(readtrack_timer, fd_readtrack_check, 0, 0);
static DEFINE_TIMER(timeout_timer, fd_times_out, 0, 0);
static DEFINE_TIMER(fd_timer, check_change, 0, 0);

static inline void start_motor_off_timer(void)
{
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4 changes: 2 additions & 2 deletions drivers/block/floppy.c
Original file line number Diff line number Diff line change
Expand Up @@ -628,7 +628,7 @@ static inline void debugt(const char *message) { }
#endif /* DEBUGT */

typedef void (*timeout_fn) (unsigned long);
static struct timer_list fd_timeout = TIMER_INITIALIZER(floppy_shutdown, 0, 0);
static DEFINE_TIMER(fd_timeout, floppy_shutdown, 0, 0);

static const char *timeout_message;

Expand Down Expand Up @@ -1012,7 +1012,7 @@ static void schedule_bh(void (*handler) (void))
schedule_work(&floppy_work);
}

static struct timer_list fd_timer = TIMER_INITIALIZER(NULL, 0, 0);
static DEFINE_TIMER(fd_timer, NULL, 0, 0);

static void cancel_activity(void)
{
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3 changes: 1 addition & 2 deletions drivers/block/ps2esdi.c
Original file line number Diff line number Diff line change
Expand Up @@ -99,8 +99,7 @@ static DECLARE_WAIT_QUEUE_HEAD(ps2esdi_int);
static int no_int_yet;
static int ps2esdi_drives;
static u_short io_base;
static struct timer_list esdi_timer =
TIMER_INITIALIZER(ps2esdi_reset_timer, 0, 0);
static DEFINE_TIMER(esdi_timer, ps2esdi_reset_timer, 0, 0);
static int reset_status;
static int ps2esdi_slot = -1;
static int tp720esdi = 0; /* Is it Integrated ESDI of ThinkPad-720? */
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2 changes: 1 addition & 1 deletion drivers/cdrom/aztcd.c
Original file line number Diff line number Diff line change
Expand Up @@ -297,7 +297,7 @@ static char azt_auto_eject = AZT_AUTO_EJECT;

static int AztTimeout, AztTries;
static DECLARE_WAIT_QUEUE_HEAD(azt_waitq);
static struct timer_list delay_timer = TIMER_INITIALIZER(NULL, 0, 0);
static DEFINE_TIMER(delay_timer, NULL, 0, 0);

static struct azt_DiskInfo DiskInfo;
static struct azt_Toc Toc[MAX_TRACKS];
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2 changes: 1 addition & 1 deletion drivers/cdrom/gscd.c
Original file line number Diff line number Diff line change
Expand Up @@ -146,7 +146,7 @@ static int AudioStart_f;
static int AudioEnd_m;
static int AudioEnd_f;

static struct timer_list gscd_timer = TIMER_INITIALIZER(NULL, 0, 0);
static DEFINE_TIMER(gscd_timer, NULL, 0, 0);
static DEFINE_SPINLOCK(gscd_lock);
static struct request_queue *gscd_queue;

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2 changes: 1 addition & 1 deletion drivers/cdrom/optcd.c
Original file line number Diff line number Diff line change
Expand Up @@ -264,7 +264,7 @@ static inline int flag_low(int flag, unsigned long timeout)
static int sleep_timeout; /* max # of ticks to sleep */
static DECLARE_WAIT_QUEUE_HEAD(waitq);
static void sleep_timer(unsigned long data);
static struct timer_list delay_timer = TIMER_INITIALIZER(sleep_timer, 0, 0);
static DEFINE_TIMER(delay_timer, sleep_timer, 0, 0);
static DEFINE_SPINLOCK(optcd_lock);
static struct request_queue *opt_queue;

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9 changes: 3 additions & 6 deletions drivers/cdrom/sbpcd.c
Original file line number Diff line number Diff line change
Expand Up @@ -742,13 +742,10 @@ static struct sbpcd_drive *current_drive = D_S;
unsigned long cli_sti; /* for saving the processor flags */
#endif
/*==========================================================================*/
static struct timer_list delay_timer =
TIMER_INITIALIZER(mark_timeout_delay, 0, 0);
static struct timer_list data_timer =
TIMER_INITIALIZER(mark_timeout_data, 0, 0);
static DEFINE_TIMER(delay_timer, mark_timeout_delay, 0, 0);
static DEFINE_TIMER(data_timer, mark_timeout_data, 0, 0);
#if 0
static struct timer_list audio_timer =
TIMER_INITIALIZER(mark_timeout_audio, 0, 0);
static DEFINE_TIMER(audio_timer, mark_timeout_audio, 0, 0);
#endif
/*==========================================================================*/
/*
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2 changes: 1 addition & 1 deletion drivers/cdrom/sjcd.c
Original file line number Diff line number Diff line change
Expand Up @@ -151,7 +151,7 @@ static struct sjcd_stat statistic;
/*
* Timer.
*/
static struct timer_list sjcd_delay_timer = TIMER_INITIALIZER(NULL, 0, 0);
static DEFINE_TIMER(sjcd_delay_timer, NULL, 0, 0);

#define SJCD_SET_TIMER( func, tmout ) \
( sjcd_delay_timer.expires = jiffies+tmout, \
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2 changes: 1 addition & 1 deletion drivers/char/cyclades.c
Original file line number Diff line number Diff line change
Expand Up @@ -865,7 +865,7 @@ static void cyz_poll(unsigned long);
static long cyz_polling_cycle = CZ_DEF_POLL;

static int cyz_timeron = 0;
static struct timer_list cyz_timerlist = TIMER_INITIALIZER(cyz_poll, 0, 0);
static DEFINE_TIMER(cyz_timerlist, cyz_poll, 0, 0);

#else /* CONFIG_CYZ_INTR */
static void cyz_rx_restart(unsigned long);
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3 changes: 1 addition & 2 deletions drivers/char/hangcheck-timer.c
Original file line number Diff line number Diff line change
Expand Up @@ -149,8 +149,7 @@ static unsigned long long hangcheck_tsc, hangcheck_tsc_margin;

static void hangcheck_fire(unsigned long);

static struct timer_list hangcheck_ticktock =
TIMER_INITIALIZER(hangcheck_fire, 0, 0);
static DEFINE_TIMER(hangcheck_ticktock, hangcheck_fire, 0, 0);


static void hangcheck_fire(unsigned long data)
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2 changes: 1 addition & 1 deletion drivers/char/ip2main.c
Original file line number Diff line number Diff line change
Expand Up @@ -254,7 +254,7 @@ static unsigned long bh_counter = 0;
* selected, the board is serviced periodically to see if anything needs doing.
*/
#define POLL_TIMEOUT (jiffies + 1)
static struct timer_list PollTimer = TIMER_INITIALIZER(ip2_poll, 0, 0);
static DEFINE_TIMER(PollTimer, ip2_poll, 0, 0);
static char TimerOn;

#ifdef IP2DEBUG_TRACE
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2 changes: 1 addition & 1 deletion drivers/char/istallion.c
Original file line number Diff line number Diff line change
Expand Up @@ -780,7 +780,7 @@ static struct file_operations stli_fsiomem = {
* much cheaper on host cpu than using interrupts. It turns out to
* not increase character latency by much either...
*/
static struct timer_list stli_timerlist = TIMER_INITIALIZER(stli_poll, 0, 0);
static DEFINE_TIMER(stli_timerlist, stli_poll, 0, 0);

static int stli_timeron;

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3 changes: 1 addition & 2 deletions drivers/char/keyboard.c
Original file line number Diff line number Diff line change
Expand Up @@ -233,8 +233,7 @@ static void kd_nosound(unsigned long ignored)
}
}

static struct timer_list kd_mksound_timer =
TIMER_INITIALIZER(kd_nosound, 0, 0);
static DEFINE_TIMER(kd_mksound_timer, kd_nosound, 0, 0);

void kd_mksound(unsigned int hz, unsigned int ticks)
{
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2 changes: 1 addition & 1 deletion drivers/char/watchdog/mixcomwd.c
Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,7 @@ static unsigned long mixcomwd_opened; /* long req'd for setbit --RR */

static int watchdog_port;
static int mixcomwd_timer_alive;
static struct timer_list mixcomwd_timer = TIMER_INITIALIZER(NULL, 0, 0);
static DEFINE_TIMER(mixcomwd_timer, NULL, 0, 0);
static char expect_close;

static int nowayout = WATCHDOG_NOWAYOUT;
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2 changes: 1 addition & 1 deletion drivers/net/atari_bionet.c
Original file line number Diff line number Diff line change
Expand Up @@ -155,7 +155,7 @@ static int bionet_close(struct net_device *dev);
static struct net_device_stats *net_get_stats(struct net_device *dev);
static void bionet_tick(unsigned long);

static struct timer_list bionet_timer = TIMER_INITIALIZER(bionet_tick, 0, 0);
static DEFINE_TIMER(bionet_timer, bionet_tick, 0, 0);

#define STRAM_ADDR(a) (((a) & 0xff000000) == 0)

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2 changes: 1 addition & 1 deletion drivers/net/atari_pamsnet.c
Original file line number Diff line number Diff line change
Expand Up @@ -165,7 +165,7 @@ static void pamsnet_tick(unsigned long);

static irqreturn_t pamsnet_intr(int irq, void *data, struct pt_regs *fp);

static struct timer_list pamsnet_timer = TIMER_INITIALIZER(pamsnet_tick, 0, 0);
static DEFINE_TIMER(pamsnet_timer, pamsnet_tick, 0, 0);

#define STRAM_ADDR(a) (((a) & 0xff000000) == 0)

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6 changes: 3 additions & 3 deletions drivers/net/cris/eth_v10.c
Original file line number Diff line number Diff line change
Expand Up @@ -384,16 +384,16 @@ static unsigned int mdio_phy_addr; /* Transciever address */
static unsigned int network_tr_ctrl_shadow = 0;

/* Network speed indication. */
static struct timer_list speed_timer = TIMER_INITIALIZER(NULL, 0, 0);
static struct timer_list clear_led_timer = TIMER_INITIALIZER(NULL, 0, 0);
static DEFINE_TIMER(speed_timer, NULL, 0, 0);
static DEFINE_TIMER(clear_led_timer, NULL, 0, 0);
static int current_speed; /* Speed read from transceiver */
static int current_speed_selection; /* Speed selected by user */
static unsigned long led_next_time;
static int led_active;
static int rx_queue_len;

/* Duplex */
static struct timer_list duplex_timer = TIMER_INITIALIZER(NULL, 0, 0);
static DEFINE_TIMER(duplex_timer, NULL, 0, 0);
static int full_duplex;
static enum duplex current_duplex;

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2 changes: 1 addition & 1 deletion drivers/net/hamradio/yam.c
Original file line number Diff line number Diff line change
Expand Up @@ -170,7 +170,7 @@ static char ax25_bcast[7] =
static char ax25_test[7] =
{'L' << 1, 'I' << 1, 'N' << 1, 'U' << 1, 'X' << 1, ' ' << 1, '1' << 1};

static struct timer_list yam_timer = TIMER_INITIALIZER(NULL, 0, 0);
static DEFINE_TIMER(yam_timer, NULL, 0, 0);

/* --------------------------------------------------------------------- */

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3 changes: 1 addition & 2 deletions drivers/sbus/char/aurora.c
Original file line number Diff line number Diff line change
Expand Up @@ -871,8 +871,7 @@ static irqreturn_t aurora_interrupt(int irq, void * dev_id, struct pt_regs * reg
#ifdef AURORA_INT_DEBUG
static void aurora_timer (unsigned long ignored);

static struct timer_list aurora_poll_timer =
TIMER_INITIALIZER(aurora_timer, 0, 0);
static DEFINE_TIMER(aurora_poll_timer, aurora_timer, 0, 0);

static void
aurora_timer (unsigned long ignored)
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3 changes: 1 addition & 2 deletions drivers/scsi/pluto.c
Original file line number Diff line number Diff line change
Expand Up @@ -95,8 +95,7 @@ int __init pluto_detect(Scsi_Host_Template *tpnt)
int i, retry, nplutos;
fc_channel *fc;
Scsi_Device dev;
struct timer_list fc_timer =
TIMER_INITIALIZER(pluto_detect_timeout, 0, 0);
DEFINE_TIMER(fc_timer, pluto_detect_timeout, 0, 0);

tpnt->proc_name = "pluto";
fcscount = 0;
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4 changes: 2 additions & 2 deletions drivers/usb/host/hc_crisv10.c
Original file line number Diff line number Diff line change
Expand Up @@ -178,8 +178,8 @@ static __u8 root_hub_hub_des[] =
0xff /* __u8 PortPwrCtrlMask; *** 7 ports max *** */
};

static struct timer_list bulk_start_timer = TIMER_INITIALIZER(NULL, 0, 0);
static struct timer_list bulk_eot_timer = TIMER_INITIALIZER(NULL, 0, 0);
static DEFINE_TIMER(bulk_start_timer, NULL, 0, 0);
static DEFINE_TIMER(bulk_eot_timer, NULL, 0, 0);

/* We want the start timer to expire before the eot timer, because the former might start
traffic, thus making it unnecessary for the latter to time out. */
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4 changes: 4 additions & 0 deletions include/linux/timer.h
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,10 @@ extern struct timer_base_s __init_timer_base;
.magic = TIMER_MAGIC, \
}

#define DEFINE_TIMER(_name, _function, _expires, _data) \
struct timer_list _name = \
TIMER_INITIALIZER(_function, _expires, _data)

void fastcall init_timer(struct timer_list * timer);

/***
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6 changes: 2 additions & 4 deletions mm/page-writeback.c
Original file line number Diff line number Diff line change
Expand Up @@ -368,10 +368,8 @@ int wakeup_pdflush(long nr_pages)
static void wb_timer_fn(unsigned long unused);
static void laptop_timer_fn(unsigned long unused);

static struct timer_list wb_timer =
TIMER_INITIALIZER(wb_timer_fn, 0, 0);
static struct timer_list laptop_mode_wb_timer =
TIMER_INITIALIZER(laptop_timer_fn, 0, 0);
static DEFINE_TIMER(wb_timer, wb_timer_fn, 0, 0);
static DEFINE_TIMER(laptop_mode_wb_timer, laptop_timer_fn, 0, 0);

/*
* Periodic writeback of "old" data.
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2 changes: 1 addition & 1 deletion net/atm/mpc.c
Original file line number Diff line number Diff line change
Expand Up @@ -105,7 +105,7 @@ extern void mpc_proc_clean(void);

struct mpoa_client *mpcs = NULL; /* FIXME */
static struct atm_mpoa_qos *qos_head = NULL;
static struct timer_list mpc_timer = TIMER_INITIALIZER(NULL, 0, 0);
static DEFINE_TIMER(mpc_timer, NULL, 0, 0);


static struct mpoa_client *find_mpc_by_itfnum(int itf)
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3 changes: 1 addition & 2 deletions net/core/dst.c
Original file line number Diff line number Diff line change
Expand Up @@ -39,8 +39,7 @@ static unsigned long dst_gc_timer_inc = DST_GC_MAX;
static void dst_run_gc(unsigned long);
static void ___dst_free(struct dst_entry * dst);

static struct timer_list dst_gc_timer =
TIMER_INITIALIZER(dst_run_gc, DST_GC_MIN, 0);
static DEFINE_TIMER(dst_gc_timer, dst_run_gc, DST_GC_MIN, 0);

static void dst_run_gc(unsigned long dummy)
{
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3 changes: 1 addition & 2 deletions net/decnet/dn_route.c
Original file line number Diff line number Diff line change
Expand Up @@ -117,8 +117,7 @@ static struct dn_rt_hash_bucket *dn_rt_hash_table;
static unsigned dn_rt_hash_mask;

static struct timer_list dn_route_timer;
static struct timer_list dn_rt_flush_timer =
TIMER_INITIALIZER(dn_run_flush, 0, 0);
static DEFINE_TIMER(dn_rt_flush_timer, dn_run_flush, 0, 0);
int decnet_dst_gc_interval = 2;

static struct dst_ops dn_dst_ops = {
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