speedtch: don't abuse struct delayed_work
speedtch directly uses the internal timer and work members of a struct
delayed_work. Use a separate work item and timer instead.
* Nicolas Kaiser discovered that timer init was missing. Fixed.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Tested-by: Nicolas Kaiser <nikai@nikai.net>
Cc: Duncan Sands <duncan.sands@free.fr>
Cc: linux-usb@vger.kernel.org
diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c
index 4716e70..9046eba 100644
--- a/drivers/usb/atm/speedtch.c
+++ b/drivers/usb/atm/speedtch.c
@@ -139,7 +139,8 @@
struct speedtch_params params; /* set in probe, constant afterwards */
- struct delayed_work status_checker;
+ struct timer_list status_check_timer;
+ struct work_struct status_check_work;
unsigned char last_status;
@@ -498,7 +499,7 @@
{
struct speedtch_instance_data *instance =
container_of(work, struct speedtch_instance_data,
- status_checker.work);
+ status_check_work);
struct usbatm_data *usbatm = instance->usbatm;
struct atm_dev *atm_dev = usbatm->atm_dev;
unsigned char *buf = instance->scratch_buffer;
@@ -575,11 +576,11 @@
{
struct speedtch_instance_data *instance = (void *)data;
- schedule_delayed_work(&instance->status_checker, 0);
+ schedule_work(&instance->status_check_work);
/* The following check is racy, but the race is harmless */
if (instance->poll_delay < MAX_POLL_DELAY)
- mod_timer(&instance->status_checker.timer, jiffies + msecs_to_jiffies(instance->poll_delay));
+ mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(instance->poll_delay));
else
atm_warn(instance->usbatm, "Too many failures - disabling line status polling\n");
}
@@ -595,7 +596,7 @@
if (int_urb) {
ret = usb_submit_urb(int_urb, GFP_ATOMIC);
if (!ret)
- schedule_delayed_work(&instance->status_checker, 0);
+ schedule_work(&instance->status_check_work);
else {
atm_dbg(instance->usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret);
mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY));
@@ -624,7 +625,7 @@
}
if ((count == 6) && !memcmp(up_int, instance->int_data, 6)) {
- del_timer(&instance->status_checker.timer);
+ del_timer(&instance->status_check_timer);
atm_info(usbatm, "DSL line goes up\n");
} else if ((count == 6) && !memcmp(down_int, instance->int_data, 6)) {
atm_info(usbatm, "DSL line goes down\n");
@@ -640,7 +641,7 @@
if ((int_urb = instance->int_urb)) {
ret = usb_submit_urb(int_urb, GFP_ATOMIC);
- schedule_delayed_work(&instance->status_checker, 0);
+ schedule_work(&instance->status_check_work);
if (ret < 0) {
atm_dbg(usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret);
goto fail;
@@ -686,7 +687,7 @@
}
/* Start status polling */
- mod_timer(&instance->status_checker.timer, jiffies + msecs_to_jiffies(1000));
+ mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(1000));
return 0;
}
@@ -698,7 +699,7 @@
atm_dbg(usbatm, "%s entered\n", __func__);
- del_timer_sync(&instance->status_checker.timer);
+ del_timer_sync(&instance->status_check_timer);
/*
* Since resubmit_timer and int_urb can schedule themselves and
@@ -869,10 +870,11 @@
usbatm->flags |= (use_isoc ? UDSL_USE_ISOC : 0);
- INIT_DELAYED_WORK(&instance->status_checker, speedtch_check_status);
+ INIT_WORK(&instance->status_check_work, speedtch_check_status);
+ init_timer(&instance->status_check_timer);
- instance->status_checker.timer.function = speedtch_status_poll;
- instance->status_checker.timer.data = (unsigned long)instance;
+ instance->status_check_timer.function = speedtch_status_poll;
+ instance->status_check_timer.data = (unsigned long)instance;
instance->last_status = 0xff;
instance->poll_delay = MIN_POLL_DELAY;