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isdn/gigaset: bas_gigaset timer cleanup

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Use setup_timer() and mod_timer() instead of direct assignment to
timer structure members, simplify the argument of one timer routine,
and make extra sure all timers are stopped during suspend.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tilman Schmidt 2010-09-30 13:35:11 +00:00 committed by David S. Miller
parent befba36ab9
commit 1d5a9edcd5
1 changed files with 32 additions and 33 deletions
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65
drivers/isdn/gigaset/bas-gigaset.c
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@ -588,10 +588,7 @@ static int atread_submit(struct cardstate *cs, int timeout)
if (timeout > 0) {
gig_dbg(DEBUG_USBREQ, "setting timeout of %d/10 secs", timeout);
ucs->timer_cmd_in.expires = jiffies + timeout * HZ / 10;
ucs->timer_cmd_in.data = (unsigned long) cs;
ucs->timer_cmd_in.function = cmd_in_timeout;
add_timer(&ucs->timer_cmd_in);
mod_timer(&ucs->timer_cmd_in, jiffies + timeout * HZ / 10);
}
return 0;
}
@ -1356,12 +1353,12 @@ error:
/* req_timeout
* timeout routine for control output request
* argument:
* B channel control structure
* controller state structure
*/
static void req_timeout(unsigned long data)
{
struct bc_state *bcs = (struct bc_state *) data;
struct bas_cardstate *ucs = bcs->cs->hw.bas;
struct cardstate *cs = (struct cardstate *) data;
struct bas_cardstate *ucs = cs->hw.bas;
int pending;
unsigned long flags;
@ -1378,38 +1375,44 @@ static void req_timeout(unsigned long data)
break;
case HD_OPEN_ATCHANNEL:
dev_err(bcs->cs->dev, "timeout opening AT channel\n");
error_reset(bcs->cs);
dev_err(cs->dev, "timeout opening AT channel\n");
error_reset(cs);
break;
case HD_OPEN_B1CHANNEL:
dev_err(cs->dev, "timeout opening channel 1\n");
error_hangup(&cs->bcs[0]);
break;
case HD_OPEN_B2CHANNEL:
case HD_OPEN_B1CHANNEL:
dev_err(bcs->cs->dev, "timeout opening channel %d\n",
bcs->channel + 1);
error_hangup(bcs);
dev_err(cs->dev, "timeout opening channel 2\n");
error_hangup(&cs->bcs[1]);
break;
case HD_CLOSE_ATCHANNEL:
dev_err(bcs->cs->dev, "timeout closing AT channel\n");
error_reset(bcs->cs);
dev_err(cs->dev, "timeout closing AT channel\n");
error_reset(cs);
break;
case HD_CLOSE_B1CHANNEL:
dev_err(cs->dev, "timeout closing channel 1\n");
error_reset(cs);
break;
case HD_CLOSE_B2CHANNEL:
case HD_CLOSE_B1CHANNEL:
dev_err(bcs->cs->dev, "timeout closing channel %d\n",
bcs->channel + 1);
error_reset(bcs->cs);
dev_err(cs->dev, "timeout closing channel 2\n");
error_reset(cs);
break;
case HD_RESET_INTERRUPT_PIPE:
/* error recovery escalation */
dev_err(bcs->cs->dev,
dev_err(cs->dev,
"reset interrupt pipe timeout, attempting USB reset\n");
usb_queue_reset_device(bcs->cs->hw.bas->interface);
usb_queue_reset_device(ucs->interface);
break;
default:
dev_warn(bcs->cs->dev, "request 0x%02x timed out, clearing\n",
dev_warn(cs->dev, "request 0x%02x timed out, clearing\n",
pending);
}
@ -1540,10 +1543,7 @@ static int req_submit(struct bc_state *bcs, int req, int val, int timeout)
if (timeout > 0) {
gig_dbg(DEBUG_USBREQ, "setting timeout of %d/10 secs", timeout);
ucs->timer_ctrl.expires = jiffies + timeout * HZ / 10;
ucs->timer_ctrl.data = (unsigned long) bcs;
ucs->timer_ctrl.function = req_timeout;
add_timer(&ucs->timer_ctrl);
mod_timer(&ucs->timer_ctrl, jiffies + timeout * HZ / 10);
}
spin_unlock_irqrestore(&ucs->lock, flags);
@ -1809,10 +1809,7 @@ static int atwrite_submit(struct cardstate *cs, unsigned char *buf, int len)
if (!(update_basstate(ucs, BS_ATTIMER, BS_ATREADY) & BS_ATTIMER)) {
gig_dbg(DEBUG_OUTPUT, "setting ATREADY timeout of %d/10 secs",
ATRDY_TIMEOUT);
ucs->timer_atrdy.expires = jiffies + ATRDY_TIMEOUT * HZ / 10;
ucs->timer_atrdy.data = (unsigned long) cs;
ucs->timer_atrdy.function = atrdy_timeout;
add_timer(&ucs->timer_atrdy);
mod_timer(&ucs->timer_atrdy, jiffies + ATRDY_TIMEOUT * HZ / 10);
}
return 0;
}
@ -2114,9 +2111,9 @@ static int gigaset_initcshw(struct cardstate *cs)
ucs->pending = 0;
ucs->basstate = 0;
init_timer(&ucs->timer_ctrl);
init_timer(&ucs->timer_atrdy);
init_timer(&ucs->timer_cmd_in);
setup_timer(&ucs->timer_ctrl, req_timeout, (unsigned long) cs);
setup_timer(&ucs->timer_atrdy, atrdy_timeout, (unsigned long) cs);
setup_timer(&ucs->timer_cmd_in, cmd_in_timeout, (unsigned long) cs);
init_waitqueue_head(&ucs->waitqueue);
return 1;
@ -2387,6 +2384,8 @@ static int gigaset_suspend(struct usb_interface *intf, pm_message_t message)
usb_kill_urb(ucs->urb_ctrl);
usb_kill_urb(ucs->urb_int_in);
del_timer_sync(&ucs->timer_ctrl);
del_timer_sync(&ucs->timer_atrdy);
del_timer_sync(&ucs->timer_cmd_in);
gig_dbg(DEBUG_SUSPEND, "suspend complete");
return 0;