[PATCH] USB: update for acm in quirks and debug

this adds
better debugging output &
an update of the quirk list
to the acm driver
Signed-off-by: Oliver Neukum <oliver@neukum.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/class/cdc-acm.c

@@ -291,13 +291,13 @@ static void acm_read_bulk(struct urb *urb, struct pt_regs *regs)
 	struct acm_ru *rcv = urb->context;
 	struct acm *acm = rcv->instance;
 	int status = urb->status;
-	dbg("Entering acm_read_bulk with status %d\n", urb->status);
+	dbg("Entering acm_read_bulk with status %d", urb->status);
 
 	if (!ACM_READY(acm))
 		return;
 
 	if (status)
-		dev_dbg(&acm->data->dev, "bulk rx status %d\n", status);
+		dev_dbg(&acm->data->dev, "bulk rx status %d", status);
 
 	buf = rcv->buffer;
 	buf->size = urb->actual_length;
@@ -343,7 +343,7 @@ next_buffer:
 	list_del(&buf->list);
 	spin_unlock(&acm->read_lock);
 
-	dbg("acm_rx_tasklet: procesing buf 0x%p, size = %d\n", buf, buf->size);
+	dbg("acm_rx_tasklet: procesing buf 0x%p, size = %d", buf, buf->size);
 
 	tty_buffer_request_room(tty, buf->size);
 	if (!acm->throttle)
@@ -394,7 +394,7 @@ urbs:
 		rcv->urb->transfer_dma = buf->dma;
 		rcv->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 
-		dbg("acm_rx_tasklet: sending urb 0x%p, rcv 0x%p, buf 0x%p\n", rcv->urb, rcv, buf);
+		dbg("acm_rx_tasklet: sending urb 0x%p, rcv 0x%p, buf 0x%p", rcv->urb, rcv, buf);
 
 		/* This shouldn't kill the driver as unsuccessful URBs are returned to the
 		   free-urbs-pool and resubmited ASAP */
@@ -413,7 +413,7 @@ static void acm_write_bulk(struct urb *urb, struct pt_regs *regs)
 {
 	struct acm *acm = (struct acm *)urb->context;
 
-	dbg("Entering acm_write_bulk with status %d\n", urb->status);
+	dbg("Entering acm_write_bulk with status %d", urb->status);
 
 	acm_write_done(acm);
 	acm_write_start(acm);
@@ -424,7 +424,7 @@ static void acm_write_bulk(struct urb *urb, struct pt_regs *regs)
 static void acm_softint(void *private)
 {
 	struct acm *acm = private;
-	dbg("Entering acm_softint.\n");
+	dbg("Entering acm_softint.");
 	
 	if (!ACM_READY(acm))
 		return;
@@ -440,7 +440,7 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
 	struct acm *acm;
 	int rv = -EINVAL;
 	int i;
-	dbg("Entering acm_tty_open.\n");
+	dbg("Entering acm_tty_open.");
 
 	mutex_lock(&open_mutex);
 
@@ -541,7 +541,7 @@ static int acm_tty_write(struct tty_struct *tty, const unsigned char *buf, int c
 	int wbn;
 	struct acm_wb *wb;
 
-	dbg("Entering acm_tty_write to write %d bytes,\n", count);
+	dbg("Entering acm_tty_write to write %d bytes,", count);
 
 	if (!ACM_READY(acm))
 		return -EINVAL;
@@ -793,7 +793,7 @@ static int acm_probe (struct usb_interface *intf,
 
 	if (!buflen) {
 		if (intf->cur_altsetting->endpoint->extralen && intf->cur_altsetting->endpoint->extra) {
-			dev_dbg(&intf->dev,"Seeking extra descriptors on endpoint\n");
+			dev_dbg(&intf->dev,"Seeking extra descriptors on endpoint");
 			buflen = intf->cur_altsetting->endpoint->extralen;
 			buffer = intf->cur_altsetting->endpoint->extra;
 		} else {
@@ -842,24 +842,24 @@ next_desc:
 
 	if (!union_header) {
 		if (call_interface_num > 0) {
-			dev_dbg(&intf->dev,"No union descriptor, using call management descriptor\n");
+			dev_dbg(&intf->dev,"No union descriptor, using call management descriptor");
 			data_interface = usb_ifnum_to_if(usb_dev, (data_interface_num = call_interface_num));
 			control_interface = intf;
 		} else {
-			dev_dbg(&intf->dev,"No union descriptor, giving up\n");
+			dev_dbg(&intf->dev,"No union descriptor, giving up");
 			return -ENODEV;
 		}
 	} else {
 		control_interface = usb_ifnum_to_if(usb_dev, union_header->bMasterInterface0);
 		data_interface = usb_ifnum_to_if(usb_dev, (data_interface_num = union_header->bSlaveInterface0));
 		if (!control_interface || !data_interface) {
-			dev_dbg(&intf->dev,"no interfaces\n");
+			dev_dbg(&intf->dev,"no interfaces");
 			return -ENODEV;
 		}
 	}
 	
 	if (data_interface_num != call_interface_num)
-		dev_dbg(&intf->dev,"Seperate call control interface. That is not fully supported.\n");
+		dev_dbg(&intf->dev,"Seperate call control interface. That is not fully supported.");
 
 skip_normal_probe:
 
@@ -867,7 +867,7 @@ skip_normal_probe:
 	if (data_interface->cur_altsetting->desc.bInterfaceClass != CDC_DATA_INTERFACE_TYPE) {
 		if (control_interface->cur_altsetting->desc.bInterfaceClass == CDC_DATA_INTERFACE_TYPE) {
 			struct usb_interface *t;
-			dev_dbg(&intf->dev,"Your device has switched interfaces.\n");
+			dev_dbg(&intf->dev,"Your device has switched interfaces.");
 
 			t = control_interface;
 			control_interface = data_interface;
@@ -878,7 +878,7 @@ skip_normal_probe:
 	}
 	
 	if (usb_interface_claimed(data_interface)) { /* valid in this context */
-		dev_dbg(&intf->dev,"The data interface isn't available\n");
+		dev_dbg(&intf->dev,"The data interface isn't available");
 		return -EBUSY;
 	}
 
@@ -895,7 +895,7 @@ skip_normal_probe:
 	if ((epread->bEndpointAddress & USB_DIR_IN) != USB_DIR_IN) {
 		/* descriptors are swapped */
 		struct usb_endpoint_descriptor *t;
-		dev_dbg(&intf->dev,"The data interface has switched endpoints\n");
+		dev_dbg(&intf->dev,"The data interface has switched endpoints");
 		
 		t = epread;
 		epread = epwrite;
@@ -910,7 +910,7 @@ skip_normal_probe:
 	}
 
 	if (!(acm = kzalloc(sizeof(struct acm), GFP_KERNEL))) {
-		dev_dbg(&intf->dev, "out of memory (acm kzalloc)\n");
+		dev_dbg(&intf->dev, "out of memory (acm kzalloc)");
 		goto alloc_fail;
 	}
 
@@ -936,26 +936,26 @@ skip_normal_probe:
 
 	buf = usb_buffer_alloc(usb_dev, ctrlsize, GFP_KERNEL, &acm->ctrl_dma);
 	if (!buf) {
-		dev_dbg(&intf->dev, "out of memory (ctrl buffer alloc)\n");
+		dev_dbg(&intf->dev, "out of memory (ctrl buffer alloc)");
 		goto alloc_fail2;
 	}
 	acm->ctrl_buffer = buf;
 
 	if (acm_write_buffers_alloc(acm) < 0) {
-		dev_dbg(&intf->dev, "out of memory (write buffer alloc)\n");
+		dev_dbg(&intf->dev, "out of memory (write buffer alloc)");
 		goto alloc_fail4;
 	}
 
 	acm->ctrlurb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!acm->ctrlurb) {
-		dev_dbg(&intf->dev, "out of memory (ctrlurb kmalloc)\n");
+		dev_dbg(&intf->dev, "out of memory (ctrlurb kmalloc)");
 		goto alloc_fail5;
 	}
 	for (i = 0; i < num_rx_buf; i++) {
 		struct acm_ru *rcv = &(acm->ru[i]);
 
 		if (!(rcv->urb = usb_alloc_urb(0, GFP_KERNEL))) {
-			dev_dbg(&intf->dev, "out of memory (read urbs usb_alloc_urb)\n");
+			dev_dbg(&intf->dev, "out of memory (read urbs usb_alloc_urb)");
 			goto alloc_fail7;
 		}
 
@@ -966,13 +966,13 @@ skip_normal_probe:
 		struct acm_rb *buf = &(acm->rb[i]);
 
 		if (!(buf->base = usb_buffer_alloc(acm->dev, readsize, GFP_KERNEL, &buf->dma))) {
-			dev_dbg(&intf->dev, "out of memory (read bufs usb_buffer_alloc)\n");
+			dev_dbg(&intf->dev, "out of memory (read bufs usb_buffer_alloc)");
 			goto alloc_fail7;
 		}
 	}
 	acm->writeurb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!acm->writeurb) {
-		dev_dbg(&intf->dev, "out of memory (writeurb kmalloc)\n");
+		dev_dbg(&intf->dev, "out of memory (writeurb kmalloc)");
 		goto alloc_fail7;
 	}
 
@@ -1086,6 +1086,9 @@ static struct usb_device_id acm_ids[] = {
 	{ USB_DEVICE(0x0ace, 0x1608), /* ZyDAS 56K USB MODEM */
 	.driver_info = SINGLE_RX_URB, /* firmware bug */
 	},
+	{ USB_DEVICE(0x0ace, 0x1611), /* ZyDAS 56K USB MODEM - new version */
+	.driver_info = SINGLE_RX_URB, /* firmware bug */
+	},
 	/* control interfaces with various AT-command sets */
 	{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
 		USB_CDC_ACM_PROTO_AT_V25TER) },