diff --git a/drivers/dahdi/wct4xxp/base.c b/drivers/dahdi/wct4xxp/base.c
index 0f9e750..e7aa8bd 100644
--- a/drivers/dahdi/wct4xxp/base.c
+++ b/drivers/dahdi/wct4xxp/base.c
@@ -299,6 +299,7 @@ struct t4_span {
 	unsigned long alarmcheck_time;
 	int spanflags;
 	int syncpos;
+
 #ifdef SUPPORT_GEN1
 	int e1check;			/* E1 check */
 #endif
@@ -345,6 +346,7 @@ struct t4 {
 	int irq;			/* IRQ used by device */
 	int order;			/* Order */
 	const struct devtype *devtype;
+	unsigned int reset_required:1;	/* If reset needed in serial_setup */
 	unsigned int falc31:1;	/* are we falc v3.1 (atomic not necessary) */
 	unsigned int t1e1:8;	/* T1 / E1 select pins */
 	int ledreg;				/* LED Register */
@@ -1893,6 +1895,33 @@ static void setup_chunks(struct t4 *wc, int which)
 	}
 }
 
+static int __t4_hardware_init_1(struct t4 *wc, unsigned int cardflags,
+				bool first_time);
+static int __t4_hardware_init_2(struct t4 *wc, bool first_time);
+
+static int t4_hardware_stop(struct t4 *wc);
+
+static void t4_framer_reset(struct t4 *wc)
+{
+	const bool first_time = false;
+	bool have_vpm = wc->vpm != NULL;
+	if (have_vpm) {
+		release_vpm450m(wc->vpm);
+		wc->vpm = NULL;
+	}
+	t4_hardware_stop(wc);
+	__t4_set_sclk_src(wc, WC_SELF, 0, 0);
+	__t4_hardware_init_1(wc, wc->devtype->flags, first_time);
+	__t4_hardware_init_2(wc, first_time);
+	if (have_vpm) {
+		t4_vpm_init(wc);
+		wc->dmactrl |= (wc->vpm) ? T4_VPM_PRESENT : 0;
+		t4_pci_out(wc, WC_DMACTRL, wc->dmactrl);
+	}
+	setup_chunks(wc, 0);
+	wc->lastindex = 0;
+}
+
 /**
  * t4_serial_setup - Setup serial parameters and system interface.
  * @wc:		The card to configure.
@@ -1902,6 +1931,7 @@ static void t4_serial_setup(struct t4 *wc)
 {
 	unsigned long flags;
 	unsigned int unit;
+	bool reset_required = false;
 
 	if (debug) {
 		dev_info(&wc->dev->dev,
@@ -1909,6 +1939,14 @@ static void t4_serial_setup(struct t4 *wc)
 			 wc->numspans);
 	}
 
+	spin_lock_irqsave(&wc->reglock, flags);
+	reset_required = wc->reset_required > 0;
+	wc->reset_required = 0;
+	spin_unlock_irqrestore(&wc->reglock, flags);
+
+	if (reset_required)
+		t4_framer_reset(wc);
+
 	spin_lock_irqsave(&wc->reglock, flags);
 	/* GPC1: Multiplex mode enabled, FSC is output, active low, RCLK from
 	 * channel 0 */
@@ -2059,6 +2097,7 @@ static void t4_span_assigned(struct dahdi_span *span)
 	struct t4 *wc = tspan->owner;
 	struct dahdi_span *pos;
 	unsigned int unassigned_spans = 0;
+	unsigned long flags;
 
 	/* We use this to make sure all the spans are assigned before
 	 * running the serial setup. */
@@ -2067,8 +2106,14 @@ static void t4_span_assigned(struct dahdi_span *span)
 			++unassigned_spans;
 	}
 
-	if (0 == unassigned_spans)
+	if (0 == unassigned_spans) {
 		t4_serial_setup(wc);
+
+		set_bit(T4_CHECK_TIMING, &wc->checkflag);
+		spin_lock_irqsave(&wc->reglock, flags);
+		__t4_set_sclk_src(wc, WC_SELF, 0, 0);
+		spin_unlock_irqrestore(&wc->reglock, flags);
+	}
 }
 
 static void free_wc(struct t4 *wc)
@@ -2230,6 +2275,7 @@ static int t4_set_linemode(struct dahdi_span *span, enum spantypes linemode)
 	enum linemode mode;
 	const char *old_name;
 	static DEFINE_MUTEX(linemode_lock);
+	unsigned long flags;
 
 	dev_dbg(&wc->dev->dev, "Setting '%s' to '%s'\n", span->name,
 		dahdi_spantype2str(linemode));
@@ -2237,6 +2283,10 @@ static int t4_set_linemode(struct dahdi_span *span, enum spantypes linemode)
 	if (span->spantype == linemode)
 		return 0;
 
+	spin_lock_irqsave(&wc->reglock, flags);
+	wc->reset_required = 1;
+	spin_unlock_irqrestore(&wc->reglock, flags);
+
 	/* Do not allow the t1e1 member to be changed by multiple threads. */
 	mutex_lock(&linemode_lock);
 	old_name = dahdi_spantype2str(span->spantype);
@@ -2833,6 +2883,10 @@ static void __t4_configure_e1(struct t4 *wc, int unit, int lineconfig)
 	__t4_framer_out(wc, unit, 0x17, 0x04 | imr3extra); /* IMR3: AIS */
 	__t4_framer_out(wc, unit, 0x18, 0x3f);  /* IMR4: We care about slips on transmit */
 
+	__t4_framer_out(wc, unit, 0x2f, 0x00);
+	__t4_framer_out(wc, unit, 0x30, 0x00);
+	__t4_framer_out(wc, unit, 0x31, 0x00);
+
 	dev_info(&wc->dev->dev, "TE%dXXP: Span %d configured for %s/%s%s\n",
 			wc->numspans, unit + 1, framing, line, crc4);
 }
@@ -4868,17 +4922,18 @@ cleanup:
 	return res;
 }
 
-static int t4_hardware_init_1(struct t4 *wc, unsigned int cardflags)
+static int
+__t4_hardware_init_1(struct t4 *wc, unsigned int cardflags, bool first_time)
 {
 	unsigned int version;
 	int res;
 
 	version = t4_pci_in(wc, WC_VERSION);
-	if (is_octal(wc)) {
+	if (is_octal(wc) && first_time) {
 		dev_info(&wc->dev->dev, "Firmware Version: %01x.%02x\n",
 			(version & 0xf00) >> 8,
 			version & 0xff);
-	} else {
+	} else if (first_time) {
 		dev_info(&wc->dev->dev, "Firmware Version: %08x\n", version);
 	}
 	if (debug) {
@@ -4926,30 +4981,33 @@ static int t4_hardware_init_1(struct t4 *wc, unsigned int cardflags)
 	t4_pci_out(wc, WC_INTR, 0x00000000);
 
 	/* Read T1/E1 status */
-	if (!strcasecmp("auto", default_linemode)) {
-		if (-1 == t1e1override) {
-			wc->t1e1 = (((t4_pci_in(wc, WC_LEDS)) & 0x0f00) >> 8);
-			wc->t1e1 &= 0xf;
-			if (is_octal(wc)) {
-				wc->t1e1 |= ((t4_pci_in(wc, WC_LEDS2)) &
-							0x0f00) >> 4;
+	if (first_time) {
+		if (!strcasecmp("auto", default_linemode)) {
+			if (-1 == t1e1override) {
+				wc->t1e1 = (((t4_pci_in(wc, WC_LEDS)) &
+							0x0f00) >> 8);
+				wc->t1e1 &= 0xf;
+				if (is_octal(wc)) {
+					wc->t1e1 |= ((t4_pci_in(wc, WC_LEDS2)) &
+								0x0f00) >> 4;
+				}
+			} else {
+				dev_warn(&wc->dev->dev,
+					 "'t1e1override' is deprecated. Please use 'default_linemode'.\n");
+				wc->t1e1 = t1e1override & 0xf;
 			}
+		} else if (!strcasecmp("t1", default_linemode)) {
+			wc->t1e1 = 0;
+		} else if (!strcasecmp("e1", default_linemode)) {
+			wc->t1e1 = 0xff;
+		} else if (!strcasecmp("j1", default_linemode)) {
+			wc->t1e1 = 0;
+			j1mode = 1;
 		} else {
-			dev_warn(&wc->dev->dev, "'t1e1override' is deprecated. "
-				 "Please use 'default_linemode'.\n");
-			wc->t1e1 = t1e1override & 0xf;
+			dev_err(&wc->dev->dev, "'%s' is an unknown linemode.\n",
+				default_linemode);
+			wc->t1e1 = 0;
 		}
-	} else if (!strcasecmp("t1", default_linemode)) {
-		wc->t1e1 = 0;
-	} else if (!strcasecmp("e1", default_linemode)) {
-		wc->t1e1 = 0xff;
-	} else if (!strcasecmp("j1", default_linemode)) {
-		wc->t1e1 = 0;
-		j1mode = 1;
-	} else {
-		dev_err(&wc->dev->dev, "'%s' is an unknown linemode.\n",
-			default_linemode);
-		wc->t1e1 = 0;
 	}
 
 	wc->order = ((t4_pci_in(wc, WC_LEDS)) & 0xf0000000) >> 28;
@@ -4978,7 +5036,12 @@ static int t4_hardware_init_1(struct t4 *wc, unsigned int cardflags)
 	return 0;
 }
 
-static int t4_hardware_init_2(struct t4 *wc)
+static int t4_hardware_init_1(struct t4 *wc, unsigned int cardflags)
+{
+	return __t4_hardware_init_1(wc, cardflags, true);
+}
+
+static int __t4_hardware_init_2(struct t4 *wc, bool first_time)
 {
 	int x;
 	unsigned int regval;
@@ -5010,13 +5073,14 @@ static int t4_hardware_init_2(struct t4 *wc)
 
 	if (!is_octal(wc)) {
 		regval = t4_framer_in(wc, 0, 0x4a);
-		if (regval == 0x05) {
+		if (first_time && regval == 0x05) {
 			dev_info(&wc->dev->dev, "FALC Framer Version: 2.1 or "
 				 "earlier\n");
 		} else if (regval == 0x20) {
-			dev_info(&wc->dev->dev, "FALC Framer Version: 3.1\n");
+			if (first_time)
+				dev_info(&wc->dev->dev, "FALC Framer Version: 3.1\n");
 			wc->falc31 = 1;
-		} else {
+		} else if (first_time) {
 			dev_info(&wc->dev->dev, "FALC Framer Version: Unknown "
 				 "(VSTR = 0x%02x)\n", regval);
 		}
@@ -5036,14 +5100,24 @@ static int t4_hardware_init_2(struct t4 *wc)
 					t4_pci_in(wc, x));
 		}
 	}
+
+	wc->gpio = 0x00000000;
+	t4_pci_out(wc, WC_GPIO, wc->gpio);
+	t4_gpio_setdir(wc, (1 << 17), (1 << 17));
+	t4_gpio_setdir(wc, (0xff), (0xff));
+
 	return 0;
 }
 
+static int t4_hardware_init_2(struct t4 *wc)
+{
+	return __t4_hardware_init_2(wc, true);
+}
+
 static int __devinit t4_launch(struct t4 *wc)
 {
 	int x;
 	int res;
-	unsigned long flags;
 
 	if (test_bit(DAHDI_FLAGBIT_REGISTERED, &wc->tspans[0]->span.flags))
 		return 0;
@@ -5075,17 +5149,14 @@ static int __devinit t4_launch(struct t4 *wc)
 			      &wc->ddev->spans);
 	}
 
+	tasklet_init(&wc->t4_tlet, t4_isr_bh, (unsigned long)wc);
+
 	res = dahdi_register_device(wc->ddev, &wc->dev->dev);
 	if (res) {
 		dev_err(&wc->dev->dev, "Failed to register with DAHDI.\n");
 		return res;
 	}
 
-	set_bit(T4_CHECK_TIMING, &wc->checkflag);
-	spin_lock_irqsave(&wc->reglock, flags);
-	__t4_set_sclk_src(wc, WC_SELF, 0, 0);
-	spin_unlock_irqrestore(&wc->reglock, flags);
-	tasklet_init(&wc->t4_tlet, t4_isr_bh, (unsigned long)wc);
 	return 0;
 }
 
@@ -5299,10 +5370,6 @@ t4_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		dev_info(&wc->dev->dev,
 			 "Found a Wildcard: %s\n", wc->devtype->desc);
 	}
-	wc->gpio = 0x00000000;
-	t4_pci_out(wc, WC_GPIO, wc->gpio);
-	t4_gpio_setdir(wc, (1 << 17), (1 << 17));
-	t4_gpio_setdir(wc, (0xff), (0xff));
 
 #ifdef VPM_SUPPORT
 	if (!wc->vpm) {