diff options
Diffstat (limited to 'drivers/atm/idt77252.c')
| -rw-r--r-- | drivers/atm/idt77252.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index 47f3c4ae0594..0e3b9c44c808 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -2073,21 +2073,19 @@ idt77252_rate_logindex(struct idt77252_dev *card, int pcr) } static void -idt77252_est_timer(unsigned long data) +idt77252_est_timer(struct timer_list *t) { - struct vc_map *vc = (struct vc_map *)data; + struct rate_estimator *est = from_timer(est, t, timer); + struct vc_map *vc = est->vc; struct idt77252_dev *card = vc->card; - struct rate_estimator *est; unsigned long flags; u32 rate, cps; u64 ncells; u8 lacr; spin_lock_irqsave(&vc->lock, flags); - est = vc->estimator; - if (!est) + if (!vc->estimator) goto out; - ncells = est->cells; rate = ((u32)(ncells - est->last_cells)) << (7 - est->interval); @@ -2126,10 +2124,11 @@ idt77252_init_est(struct vc_map *vc, int pcr) est->maxcps = pcr < 0 ? -pcr : pcr; est->cps = est->maxcps; est->avcps = est->cps << 5; + est->vc = vc; est->interval = 2; /* XXX: make this configurable */ est->ewma_log = 2; /* XXX: make this configurable */ - setup_timer(&est->timer, idt77252_est_timer, (unsigned long)vc); + timer_setup(&est->timer, idt77252_est_timer, 0); mod_timer(&est->timer, jiffies + ((HZ / 4) << est->interval)); return est; @@ -2209,16 +2208,20 @@ static int idt77252_init_ubr(struct idt77252_dev *card, struct vc_map *vc, struct atm_vcc *vcc, struct atm_qos *qos) { + struct rate_estimator *est = NULL; unsigned long flags; int tcr; spin_lock_irqsave(&vc->lock, flags); if (vc->estimator) { - del_timer(&vc->estimator->timer); - kfree(vc->estimator); + est = vc->estimator; vc->estimator = NULL; } spin_unlock_irqrestore(&vc->lock, flags); + if (est) { + del_timer_sync(&est->timer); + kfree(est); + } tcr = atm_pcr_goal(&qos->txtp); if (tcr == 0) |