From c5b95f77b5ca4d802a252eaef278d8c4f4afa5c4 Mon Sep 17 00:00:00 2001
From: markster <markster@5390a7c7-147a-4af0-8ec9-7488f05a26cb>
Date: Sat, 24 Apr 2004 18:59:30 +0000
Subject: Don't double lock reglock

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@372 5390a7c7-147a-4af0-8ec9-7488f05a26cb
---
 wct4xxp.c | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/wct4xxp.c b/wct4xxp.c
index 9785c53..2bbef11 100755
--- a/wct4xxp.c
+++ b/wct4xxp.c
@@ -392,8 +392,8 @@ static int t4_rbsbits(struct zt_chan *chan, int bits)
 	struct t4 *wc = chan->pvt;
 	unsigned long flags;
 	
-	spin_lock_irqsave(&wc->reglock, flags);	
 	if(debug) printk("Setting bits to %d on channel %s\n", bits, chan->name);
+	spin_lock_irqsave(&wc->reglock, flags);	
 	k = chan->span->offset;
 	if (wc->spantype[k] == TYPE_E1) { /* do it E1 way */
 		if (chan->chanpos == 16) {
@@ -432,9 +432,9 @@ static int t4_rbsbits(struct zt_chan *chan, int bits)
 		  /* output them to the chip */
 		__t4_framer_out(wc,k,0x70 + b,c); 
 	} 
+	spin_unlock_irqrestore(&wc->reglock, flags);
 	if (debug)
 		printk("Finished setting RBS bits\n");
-	spin_unlock_irqrestore(&wc->reglock, flags);
 	return 0;
 }
 
@@ -487,10 +487,13 @@ static int t4_spanconfig(struct zt_span *span, struct zt_lineconfig *lc)
 	span->lineconfig = lc->lineconfig;
 	span->txlevel = lc->lbo;
 	span->rxlevel = 0;
-	span->syncsrc = wc->syncsrc;
+	if (lc->sync < 0)
+		lc->sync = 0;
+	if (lc->sync > 4)
+		lc->sync = 0;
 	
 	/* remove this span number from the current sync sources, if there */
-	for(i = 0; i < 3; i++) {
+	for(i = 0; i < 4; i++) {
 		if (wc->syncs[i] == span->spanno) {
 			wc->syncs[i] = 0;
 			wc->psyncs[i] = 0;
@@ -502,6 +505,7 @@ static int t4_spanconfig(struct zt_span *span, struct zt_lineconfig *lc)
 		wc->syncs[lc->sync - 1] = span->spanno;
 		wc->psyncs[lc->sync - 1] = span->offset + 1;
 	}
+	wc->checktiming = 1;
 	/* If we're already running, then go ahead and apply the changes */
 	if (span->flags & ZT_FLAG_RUNNING)
 		return t4_startup(span);
@@ -637,12 +641,12 @@ static void __t4_set_timing_source(struct t4 *wc, int unit)
 	if ((unit > -1) && (unit < 4)) {
 		timing |= (unit << 6);
 		for (x=0;x<4;x++)  /* set all 4 receive reference clocks to unit */
-			t4_framer_out(wc, x, 0x44, timing);
-		t4_pci_out(wc, WC_DMACTRL, wc->dmactrl | (1 << 29));
+			__t4_framer_out(wc, x, 0x44, timing);
+		__t4_pci_out(wc, WC_DMACTRL, wc->dmactrl | (1 << 29));
 	} else {
 		for (x=0;x<4;x++) /* set each receive reference clock to itself */
-			t4_framer_out(wc, x, 0x44, timing | (x << 6));
-		t4_pci_out(wc, WC_DMACTRL, wc->dmactrl);
+			__t4_framer_out(wc, x, 0x44, timing | (x << 6));
+		__t4_pci_out(wc, WC_DMACTRL, wc->dmactrl);
 	}
 #if	0
 	printk("wct4xxp: Timing source set to %d\n",unit);
@@ -1420,6 +1424,7 @@ static int t4_hardware_init(struct t4 *wc)
 static int __devinit t4_launch(struct t4 *wc)
 {
 	int x;
+	unsigned long flags;
 	if (wc->spans[0].flags & ZT_FLAG_REGISTERED)
 		return 0;
 	printk("TE410P: Launching card: %d\n", wc->order);
@@ -1455,7 +1460,9 @@ static int __devinit t4_launch(struct t4 *wc)
 	if (debug)
 		printk("Timing source selected\n");
 	wc->checktiming = 1;
+	spin_lock_irqsave(&wc->reglock, flags);
 	__t4_set_timing_source(wc,4);
+	spin_unlock_irqrestore(&wc->reglock, flags);
 #ifdef ENABLE_TASKLETS
 	tasklet_init(&wc->t4_tlet, t4_tasklet, (unsigned long)wc);
 #endif
-- 
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