AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

x86: nuke a ton of dead hpet code

Browse Source 
No users, just ballast

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner 2008-01-30 13:30:27 +01:00 committed by Ingo Molnar
parent 16da2f9305
commit 02456c708e
2 changed files with 0 additions and 78 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

75
drivers/char/hpet.c
View File

@ -600,63 +600,6 @@ static int hpet_is_known(struct hpet_data *hdp)
return 0;
}
EXPORT_SYMBOL(hpet_alloc);
EXPORT_SYMBOL(hpet_register);
EXPORT_SYMBOL(hpet_unregister);
EXPORT_SYMBOL(hpet_control);
int hpet_register(struct hpet_task *tp, int periodic)
{
unsigned int i;
u64 mask;
struct hpet_timer __iomem *timer;
struct hpet_dev *devp;
struct hpets *hpetp;
switch (periodic) {
case 1:
mask = Tn_PER_INT_CAP_MASK;
break;
case 0:
mask = 0;
break;
default:
return -EINVAL;
}
tp->ht_opaque = NULL;
spin_lock_irq(&hpet_task_lock);
spin_lock(&hpet_lock);
for (devp = NULL, hpetp = hpets; hpetp && !devp; hpetp = hpetp->hp_next)
for (timer = hpetp->hp_hpet->hpet_timers, i = 0;
i < hpetp->hp_ntimer; i++, timer++) {
if ((readq(&timer->hpet_config) & Tn_PER_INT_CAP_MASK)
!= mask)
continue;
devp = &hpetp->hp_dev[i];
if (devp->hd_flags & HPET_OPEN || devp->hd_task) {
devp = NULL;
continue;
}
tp->ht_opaque = devp;
devp->hd_task = tp;
break;
}
spin_unlock(&hpet_lock);
spin_unlock_irq(&hpet_task_lock);
if (tp->ht_opaque)
return 0;
else
return -EBUSY;
}
static inline int hpet_tpcheck(struct hpet_task *tp)
{
struct hpet_dev *devp;
@ -706,24 +649,6 @@ int hpet_unregister(struct hpet_task *tp)
return 0;
}
int hpet_control(struct hpet_task *tp, unsigned int cmd, unsigned long arg)
{
struct hpet_dev *devp;
int err;
if ((err = hpet_tpcheck(tp)))
return err;
spin_lock_irq(&hpet_lock);
devp = tp->ht_opaque;
if (devp->hd_task != tp) {
spin_unlock_irq(&hpet_lock);
return -ENXIO;
}
spin_unlock_irq(&hpet_lock);
return hpet_ioctl_common(devp, cmd, arg, 1);
}
static ctl_table hpet_table[] = {
{
.ctl_name = CTL_UNNUMBERED,

3
include/linux/hpet.h
View File

@ -115,9 +115,6 @@ static inline void hpet_reserve_timer(struct hpet_data *hd, int timer)
}
int hpet_alloc(struct hpet_data *);
int hpet_register(struct hpet_task *, int);
int hpet_unregister(struct hpet_task *);
int hpet_control(struct hpet_task *, unsigned int, unsigned long);
#endif /* __KERNEL__ */