patch-2.4.25 linux-2.4.25/drivers/net/sk98lin/sktimer.c

• Lines: 286
• Date: 2004-02-18 05:36:31.000000000 -0800
• Orig file: linux-2.4.24/drivers/net/sk98lin/sktimer.c
• Orig date: 2003-11-28 10:26:20.000000000 -0800

diff -urN linux-2.4.24/drivers/net/sk98lin/sktimer.c linux-2.4.25/drivers/net/sk98lin/sktimer.c
@@ -1,9 +1,9 @@
 /******************************************************************************
  *
  * Name:	sktimer.c
- * Project:	Gigabit Ethernet Adapters, Schedule-Modul
- * Version:	$Revision: 1.13 $
- * Date:	$Date: 2003/05/13 18:01:01 $
+ * Project:	Gigabit Ethernet Adapters, Event Scheduler Module
+ * Version:	$Revision: 1.14 $
+ * Date:	$Date: 2003/09/16 13:46:51 $
  * Purpose:	High level timer functions.
  *
  ******************************************************************************/
@@ -27,6 +27,10 @@
  * History:
  *
  *	$Log: sktimer.c,v $
+ *	Revision 1.14  2003/09/16 13:46:51  rschmidt
+ *	Added (C) Marvell to SysKonnectFileId
+ *	Editorial changes
+ *	
  *	Revision 1.13  2003/05/13 18:01:01  mkarl
  *	Editorial changes.
  *	
@@ -68,19 +72,16 @@
  *	
  *	Revision 1.1  1998/08/05 11:27:55  gklug
  *	first version: adapted from SMT
- *	
- *	
- *	
  *
  ******************************************************************************/
 
 
 /*
-	Event queue and dispatcher
-*/
+ *	Event queue and dispatcher
+ */
 #if (defined(DEBUG) || ((!defined(LINT)) && (!defined(SK_SLIM))))
 static const char SysKonnectFileId[] =
-	"$Header: /usr56/projects/ge/schedule/sktimer.c,v 1.13 2003/05/13 18:01:01 mkarl Exp $" ;
+	"@(#) $Id: sktimer.c,v 1.14 2003/09/16 13:46:51 rschmidt Exp $ (C) Marvell.";
 #endif
 
 #include "h/skdrv1st.h"		/* Driver Specific Definitions */
@@ -110,14 +111,14 @@
 void	SkTimerInit(
 SK_AC	*pAC,		/* Adapters context */
 SK_IOC	Ioc,		/* IoContext */
-int	Level)		/* Init Level */
+int		Level)		/* Init Level */
 {
 	switch (Level) {
 	case SK_INIT_DATA:
-		pAC->Tim.StQueue = 0 ;
+		pAC->Tim.StQueue = 0;
 		break;
 	case SK_INIT_IO:
-		SkHwtInit(pAC,Ioc) ;
+		SkHwtInit(pAC, Ioc);
 		SkTimerDone(pAC, Ioc);
 		break;
 	default:
@@ -134,31 +135,34 @@
 SK_IOC		Ioc,		/* IoContext */
 SK_TIMER	*pTimer)	/* Timer Pointer to be started */
 {
-	SK_TIMER	**ppTimPrev ;
-	SK_TIMER	*pTm ;
+	SK_TIMER	**ppTimPrev;
+	SK_TIMER	*pTm;
 
 	/*
 	 * remove timer from queue
 	 */
-	pTimer->TmActive = SK_FALSE ;
+	pTimer->TmActive = SK_FALSE;
+	
 	if (pAC->Tim.StQueue == pTimer && !pTimer->TmNext) {
-		SkHwtStop(pAC,Ioc) ;
+		SkHwtStop(pAC, Ioc);
 	}
-	for (ppTimPrev = &pAC->Tim.StQueue ; (pTm = *ppTimPrev) ;
+	
+	for (ppTimPrev = &pAC->Tim.StQueue; (pTm = *ppTimPrev);
 		ppTimPrev = &pTm->TmNext ) {
+		
 		if (pTm == pTimer) {
 			/*
 			 * Timer found in queue
 			 * - dequeue it and
 			 * - correct delta of the next timer
 			 */
-			*ppTimPrev = pTm->TmNext ;
+			*ppTimPrev = pTm->TmNext;
 
 			if (pTm->TmNext) {
 				/* correct delta of next timer in queue */
-				pTm->TmNext->TmDelta += pTm->TmDelta ;
+				pTm->TmNext->TmDelta += pTm->TmDelta;
 			}
-			return ;
+			return;
 		}
 	}
 }
@@ -175,65 +179,67 @@
 SK_U32		Event,		/* Event Value for this timer */
 SK_EVPARA	Para)		/* Event Parameter for this timer */
 {
-	SK_TIMER	**ppTimPrev ;
-	SK_TIMER	*pTm ;
-	SK_U32		Delta ;
+	SK_TIMER	**ppTimPrev;
+	SK_TIMER	*pTm;
+	SK_U32		Delta;
 
-	Time /= 16 ;		/* input is uS, clock ticks are 16uS */
+	Time /= 16;		/* input is uS, clock ticks are 16uS */
+	
 	if (!Time)
-		Time = 1 ;
+		Time = 1;
 
-	SkTimerStop(pAC,Ioc,pTimer) ;
+	SkTimerStop(pAC, Ioc, pTimer);
 
-	pTimer->TmClass = Class ;
-	pTimer->TmEvent = Event ;
-	pTimer->TmPara = Para ;
-	pTimer->TmActive = SK_TRUE ;
+	pTimer->TmClass = Class;
+	pTimer->TmEvent = Event;
+	pTimer->TmPara = Para;
+	pTimer->TmActive = SK_TRUE;
 
 	if (!pAC->Tim.StQueue) {
 		/* First Timer to be started */
-		pAC->Tim.StQueue = pTimer ;
-		pTimer->TmNext = 0 ;
-		pTimer->TmDelta = Time ;
-		SkHwtStart(pAC,Ioc,Time) ;
-		return ;
+		pAC->Tim.StQueue = pTimer;
+		pTimer->TmNext = 0;
+		pTimer->TmDelta = Time;
+		
+		SkHwtStart(pAC, Ioc, Time);
+		
+		return;
 	}
 
 	/*
 	 * timer correction
 	 */
-	timer_done(pAC,Ioc,0) ;
+	timer_done(pAC, Ioc, 0);
 
 	/*
 	 * find position in queue
 	 */
-	Delta = 0 ;
-	for (ppTimPrev = &pAC->Tim.StQueue ; (pTm = *ppTimPrev) ;
+	Delta = 0;
+	for (ppTimPrev = &pAC->Tim.StQueue; (pTm = *ppTimPrev);
 		ppTimPrev = &pTm->TmNext ) {
+		
 		if (Delta + pTm->TmDelta > Time) {
 			/* Position found */
 			/* Here the timer needs to be inserted. */
-			break ;
+			break;
 		}
-		Delta += pTm->TmDelta ;
+		Delta += pTm->TmDelta;
 	}
 
 	/* insert in queue */
-	*ppTimPrev = pTimer ;
-	pTimer->TmNext = pTm ;
-	pTimer->TmDelta = Time - Delta ;
+	*ppTimPrev = pTimer;
+	pTimer->TmNext = pTm;
+	pTimer->TmDelta = Time - Delta;
 
 	if (pTm) {
 		/* There is a next timer
 		 * -> correct its Delta value.
 		 */
-		pTm->TmDelta -= pTimer->TmDelta ;
+		pTm->TmDelta -= pTimer->TmDelta;
 	}
 
-	/*
-	 * start new with first
-	 */
-	SkHwtStart(pAC,Ioc,pAC->Tim.StQueue->TmDelta) ;
+	/* restart with first */
+	SkHwtStart(pAC, Ioc, pAC->Tim.StQueue->TmDelta);
 }
 
 
@@ -241,55 +247,56 @@
 SK_AC	*pAC,		/* Adapters context */
 SK_IOC	Ioc)		/* IoContext */
 {
-	timer_done(pAC,Ioc,1) ;
+	timer_done(pAC, Ioc, 1);
 }
 
 
 static void	timer_done(
 SK_AC	*pAC,		/* Adapters context */
 SK_IOC	Ioc,		/* IoContext */
-int	Restart)	/* Do we need to restart the Hardware timer ? */
+int		Restart)	/* Do we need to restart the Hardware timer ? */
 {
-	SK_U32		Delta ;
-	SK_TIMER	*pTm ;
-	SK_TIMER	*pTComp ;	/* Timer completed now now */
-	SK_TIMER	**ppLast ;	/* Next field of Last timer to be deq */
-	int		Done = 0 ;
-
-	Delta = SkHwtRead(pAC,Ioc) ;
-	ppLast = &pAC->Tim.StQueue ;
-	pTm = pAC->Tim.StQueue ;
+	SK_U32		Delta;
+	SK_TIMER	*pTm;
+	SK_TIMER	*pTComp;	/* Timer completed now now */
+	SK_TIMER	**ppLast;	/* Next field of Last timer to be deq */
+	int		Done = 0;
+
+	Delta = SkHwtRead(pAC, Ioc);
+	
+	ppLast = &pAC->Tim.StQueue;
+	pTm = pAC->Tim.StQueue;
 	while (pTm && !Done) {
 		if (Delta >= pTm->TmDelta) {
 			/* Timer ran out */
-			pTm->TmActive = SK_FALSE ;
-			Delta -= pTm->TmDelta ;
-			ppLast = &pTm->TmNext ;
-			pTm = pTm->TmNext ;
-		} else {
+			pTm->TmActive = SK_FALSE;
+			Delta -= pTm->TmDelta;
+			ppLast = &pTm->TmNext;
+			pTm = pTm->TmNext;
+		}
+		else {
 			/* We found the first timer that did not run out */
-			pTm->TmDelta -= Delta ;
-			Delta = 0 ;
-			Done = 1 ;
+			pTm->TmDelta -= Delta;
+			Delta = 0;
+			Done = 1;
 		}
 	}
-	*ppLast = 0 ;
+	*ppLast = 0;
 	/*
 	 * pTm points to the first Timer that did not run out.
 	 * StQueue points to the first Timer that run out.
 	 */
 
-	for ( pTComp = pAC->Tim.StQueue ; pTComp ; pTComp = pTComp->TmNext) {
-		SkEventQueue(pAC,pTComp->TmClass, pTComp->TmEvent,
-			pTComp->TmPara) ;
+	for ( pTComp = pAC->Tim.StQueue; pTComp; pTComp = pTComp->TmNext) {
+		SkEventQueue(pAC,pTComp->TmClass, pTComp->TmEvent, pTComp->TmPara);
 	}
 
 	/* Set head of timer queue to the first timer that did not run out */
-	pAC->Tim.StQueue = pTm ;
+	pAC->Tim.StQueue = pTm;
 
 	if (Restart && pAC->Tim.StQueue) {
 		/* Restart HW timer */
-		SkHwtStart(pAC,Ioc,pAC->Tim.StQueue->TmDelta) ;
+		SkHwtStart(pAC, Ioc, pAC->Tim.StQueue->TmDelta);
 	}
 }