[PATCH 26/48] libertas: clean up lbs_thread() to make it slightly more readable
David Woodhouse
dwmw2 at infradead.org
Mon Dec 10 10:46:01 EST 2007
Date: Sat, 8 Dec 2007 17:42:59 +0000
No semantic changes.
Signed-off-by: David Woodhouse <dwmw2 at infradead.org>
---
drivers/net/wireless/libertas/main.c | 92 +++++++++++++--------------------
1 files changed, 36 insertions(+), 56 deletions(-)
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 500357b..f595664 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -795,70 +795,60 @@ static int lbs_thread(void *data)
init_waitqueue_entry(&wait, current);
set_freezable();
+
for (;;) {
- lbs_deb_thread( "main-thread 111: intcounter=%d "
- "currenttxskb=%p dnld_sent=%d\n",
- adapter->intcounter,
- adapter->currenttxskb, priv->dnld_sent);
+ lbs_deb_thread( "main-thread 111: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+ adapter->intcounter, adapter->currenttxskb, priv->dnld_sent);
add_wait_queue(&priv->waitq, &wait);
set_current_state(TASK_INTERRUPTIBLE);
spin_lock_irq(&adapter->driver_lock);
+
if ((adapter->psstate == PS_STATE_SLEEP) ||
- (!adapter->intcounter
- && (priv->dnld_sent || adapter->cur_cmd ||
- list_empty(&adapter->cmdpendingq)))) {
- lbs_deb_thread(
- "main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n",
- adapter->connect_status, adapter->intcounter,
- adapter->psmode, adapter->psstate);
+ (!adapter->intcounter && (priv->dnld_sent || adapter->cur_cmd || list_empty(&adapter->cmdpendingq)))) {
+ lbs_deb_thread("main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n",
+ adapter->connect_status, adapter->intcounter,
+ adapter->psmode, adapter->psstate);
spin_unlock_irq(&adapter->driver_lock);
schedule();
} else
spin_unlock_irq(&adapter->driver_lock);
- lbs_deb_thread(
- "main-thread 222 (waking up): intcounter=%d currenttxskb=%p "
- "dnld_sent=%d\n", adapter->intcounter,
- adapter->currenttxskb, priv->dnld_sent);
+ lbs_deb_thread("main-thread 222 (waking up): intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+ adapter->intcounter, adapter->currenttxskb, priv->dnld_sent);
set_current_state(TASK_RUNNING);
remove_wait_queue(&priv->waitq, &wait);
try_to_freeze();
- lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p "
- "dnld_sent=%d\n",
- adapter->intcounter,
- adapter->currenttxskb, priv->dnld_sent);
+ lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+ adapter->intcounter, adapter->currenttxskb, priv->dnld_sent);
- if (kthread_should_stop()
- || adapter->surpriseremoved) {
- lbs_deb_thread(
- "main-thread: break from main thread: surpriseremoved=0x%x\n",
- adapter->surpriseremoved);
+ if (kthread_should_stop() || adapter->surpriseremoved) {
+ lbs_deb_thread("main-thread: break from main thread: surpriseremoved=0x%x\n",
+ adapter->surpriseremoved);
break;
}
spin_lock_irq(&adapter->driver_lock);
+
if (adapter->intcounter) {
u8 int_status;
+
adapter->intcounter = 0;
int_status = priv->hw_get_int_status(priv, &ireg);
if (int_status) {
- lbs_deb_thread(
- "main-thread: reading HOST_INT_STATUS_REG failed\n");
+ lbs_deb_thread("main-thread: reading HOST_INT_STATUS_REG failed\n");
spin_unlock_irq(&adapter->driver_lock);
continue;
}
adapter->hisregcpy |= ireg;
}
- lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p "
- "dnld_sent=%d\n",
- adapter->intcounter,
- adapter->currenttxskb, priv->dnld_sent);
+ lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
+ adapter->intcounter, adapter->currenttxskb, priv->dnld_sent);
/* command response? */
if (adapter->hisregcpy & MRVDRV_CMD_UPLD_RDY) {
@@ -877,8 +867,7 @@ static int lbs_thread(void *data)
adapter->hisregcpy &= ~MRVDRV_CARDEVENT;
if (priv->hw_read_event_cause(priv)) {
- lbs_pr_alert(
- "main-thread: hw_read_event_cause failed\n");
+ lbs_pr_alert("main-thread: hw_read_event_cause failed\n");
spin_unlock_irq(&adapter->driver_lock);
continue;
}
@@ -888,30 +877,21 @@ static int lbs_thread(void *data)
spin_unlock_irq(&adapter->driver_lock);
/* Check if we need to confirm Sleep Request received previously */
- if (adapter->psstate == PS_STATE_PRE_SLEEP) {
- if (!priv->dnld_sent && !adapter->cur_cmd) {
- if (adapter->connect_status ==
- LBS_CONNECTED) {
- lbs_deb_thread(
- "main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p "
- "dnld_sent=%d cur_cmd=%p, confirm now\n",
- adapter->intcounter,
- adapter->currenttxskb,
- priv->dnld_sent,
- adapter->cur_cmd);
-
- lbs_ps_confirm_sleep(priv,
- (u16) adapter->psmode);
- } else {
- /* workaround for firmware sending
- * deauth/linkloss event immediately
- * after sleep request, remove this
- * after firmware fixes it
- */
- adapter->psstate = PS_STATE_AWAKE;
- lbs_pr_alert(
- "main-thread: ignore PS_SleepConfirm in non-connected state\n");
- }
+ if (adapter->psstate == PS_STATE_PRE_SLEEP &&
+ !priv->dnld_sent && !adapter->cur_cmd) {
+ if (adapter->connect_status == LBS_CONNECTED) {
+ lbs_deb_thread("main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p dnld_sent=%d cur_cmd=%p, confirm now\n",
+ adapter->intcounter, adapter->currenttxskb, priv->dnld_sent, adapter->cur_cmd);
+
+ lbs_ps_confirm_sleep(priv, (u16) adapter->psmode);
+ } else {
+ /* workaround for firmware sending
+ * deauth/linkloss event immediately
+ * after sleep request; remove this
+ * after firmware fixes it
+ */
+ adapter->psstate = PS_STATE_AWAKE;
+ lbs_pr_alert("main-thread: ignore PS_SleepConfirm in non-connected state\n");
}
}
--
1.5.3.4
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