1 files changed, 199 insertions, 169 deletions

diff --git a/drivers/media/dvb/b2c2/flexcop-usb.c b/drivers/media/dvb/b2c2/flexcop-usb.c
index ae0d76a5d51..bedcfb67162 100644
--- a/drivers/media/dvb/b2c2/flexcop-usb.c
+++ b/drivers/media/dvb/b2c2/flexcop-usb.c
@@ -1,11 +1,8 @@
 /*
- * This file is part of linux driver the digital TV devices equipped with B2C2 FlexcopII(b)/III
- *
- * flexcop-usb.c - covers the USB part.
- *
- * see flexcop.c for copyright information.
+ * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
+ * flexcop-usb.c - covers the USB part
+ * see flexcop.c for copyright information
  */
-
 #define FC_LOG_PREFIX "flexcop_usb"
 #include "flexcop-usb.h"
 #include "flexcop-common.h"
@@ -18,42 +15,47 @@
 /* debug */
 #ifdef CONFIG_DVB_B2C2_FLEXCOP_DEBUG
 #define dprintk(level,args...) \
-	    do { if ((debug & level)) { printk(args); } } while (0)
-#define debug_dump(b,l,method) {\
+	do { if ((debug & level)) printk(args); } while (0)
+
+#define debug_dump(b, l, method) do {\
 	int i; \
-	for (i = 0; i < l; i++) method("%02x ", b[i]); \
-	method("\n");\
-}
+	for (i = 0; i < l; i++) \
+		method("%02x ", b[i]); \
+	method("\n"); \
+} while (0)
 
 #define DEBSTATUS ""
 #else
-#define dprintk(level,args...)
-#define debug_dump(b,l,method)
+#define dprintk(level, args...)
+#define debug_dump(b, l, method)
 #define DEBSTATUS " (debugging is not enabled)"
 #endif
 
 static int debug;
 module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS);
+MODULE_PARM_DESC(debug, "set debugging level (1=info,ts=2,"
+		"ctrl=4,i2c=8,v8mem=16 (or-able))." DEBSTATUS);
 #undef DEBSTATUS
 
-#define deb_info(args...) dprintk(0x01,args)
-#define deb_ts(args...)   dprintk(0x02,args)
-#define deb_ctrl(args...) dprintk(0x04,args)
-#define deb_i2c(args...)  dprintk(0x08,args)
-#define deb_v8(args...)   dprintk(0x10,args)
+#define deb_info(args...) dprintk(0x01, args)
+#define deb_ts(args...) dprintk(0x02, args)
+#define deb_ctrl(args...) dprintk(0x04, args)
+#define deb_i2c(args...) dprintk(0x08, args)
+#define deb_v8(args...) dprintk(0x10, args)
 
 /* JLP 111700: we will include the 1 bit gap between the upper and lower 3 bits
  * in the IBI address, to make the V8 code simpler.
- * PCI ADDRESS FORMAT: 0x71C -> 0000 0111 0001 1100 (these are the six bits used)
+ * PCI ADDRESS FORMAT: 0x71C -> 0000 0111 0001 1100 (the six bits used)
  *                  in general: 0000 0HHH 000L LL00
  * IBI ADDRESS FORMAT:                    RHHH BLLL
  *
  * where R is the read(1)/write(0) bit, B is the busy bit
  * and HHH and LLL are the two sets of three bits from the PCI address.
  */
-#define B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(usPCI) (u8) (((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70))
-#define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) (((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4))
+#define B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(usPCI) (u8) \
+	(((usPCI >> 2) & 0x07) + ((usPCI >> 4) & 0x70))
+#define B2C2_FLEX_INTERNALADDR_TO_PCIOFFSET(ucAddr) (u16) \
+	(((ucAddr & 0x07) << 2) + ((ucAddr & 0x70) << 4))
 
 /*
  * DKT 020228
@@ -69,12 +71,13 @@ static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI,
 	struct flexcop_usb *fc_usb = fc->bus_specific;
 	u8 request = read ? B2C2_USB_READ_REG : B2C2_USB_WRITE_REG;
 	u8 request_type = (read ? USB_DIR_IN : USB_DIR_OUT) | USB_TYPE_VENDOR;
-	u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) | (read ? 0x80 : 0);
+	u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) |
+		(read ? 0x80 : 0);
 
 	int len = usb_control_msg(fc_usb->udev,
 			read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT,
 			request,
-			request_type,  /* 0xc0 read or 0x40 write*/
+			request_type, /* 0xc0 read or 0x40 write */
 			wAddress,
 			0,
 			val,
@@ -82,55 +85,49 @@ static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI,
 			B2C2_WAIT_FOR_OPERATION_RDW * HZ);
 
 	if (len != sizeof(u32)) {
-		err("error while %s dword from %d (%d).",read ? "reading" : "writing",
-			wAddress,wRegOffsPCI);
+		err("error while %s dword from %d (%d).", read ? "reading" :
+				"writing", wAddress, wRegOffsPCI);
 		return -EIO;
 	}
 	return 0;
 }
-
 /*
  * DKT 010817 - add support for V8 memory read/write and flash update
  */
 static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb,
 		flexcop_usb_request_t req, u8 page, u16 wAddress,
-		u8 *pbBuffer,u32 buflen)
+		u8 *pbBuffer, u32 buflen)
 {
-//	u8 dwRequestType;
 	u8 request_type = USB_TYPE_VENDOR;
 	u16 wIndex;
-	int nWaitTime,pipe,len;
-
+	int nWaitTime, pipe, len;
 	wIndex = page << 8;
 
 	switch (req) {
-		case B2C2_USB_READ_V8_MEM:
-			nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ;
-			request_type |= USB_DIR_IN;
-//			dwRequestType = (u8) RTYPE_READ_V8_MEMORY;
-			pipe = B2C2_USB_CTRL_PIPE_IN;
+	case B2C2_USB_READ_V8_MEM:
+		nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ;
+		request_type |= USB_DIR_IN;
+		pipe = B2C2_USB_CTRL_PIPE_IN;
 		break;
-		case B2C2_USB_WRITE_V8_MEM:
-			wIndex |= pbBuffer[0];
-			request_type |= USB_DIR_OUT;
-			nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE;
-//			dwRequestType = (u8) RTYPE_WRITE_V8_MEMORY;
-			pipe = B2C2_USB_CTRL_PIPE_OUT;
+	case B2C2_USB_WRITE_V8_MEM:
+		wIndex |= pbBuffer[0];
+		request_type |= USB_DIR_OUT;
+		nWaitTime = B2C2_WAIT_FOR_OPERATION_V8WRITE;
+		pipe = B2C2_USB_CTRL_PIPE_OUT;
 		break;
-		case B2C2_USB_FLASH_BLOCK:
-			request_type |= USB_DIR_OUT;
-			nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH;
-//			dwRequestType = (u8) RTYPE_WRITE_V8_FLASH;
-			pipe = B2C2_USB_CTRL_PIPE_OUT;
+	case B2C2_USB_FLASH_BLOCK:
+		request_type |= USB_DIR_OUT;
+		nWaitTime = B2C2_WAIT_FOR_OPERATION_V8FLASH;
+		pipe = B2C2_USB_CTRL_PIPE_OUT;
 		break;
-		default:
-			deb_info("unsupported request for v8_mem_req %x.\n",req);
+	default:
+		deb_info("unsupported request for v8_mem_req %x.\n", req);
 		return -EINVAL;
 	}
-	deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n",request_type,req,
-			wAddress,wIndex,buflen);
+	deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n", request_type, req,
+			wAddress, wIndex, buflen);
 
-	len = usb_control_msg(fc_usb->udev,pipe,
+	len = usb_control_msg(fc_usb->udev, pipe,
 			req,
 			request_type,
 			wAddress,
@@ -139,39 +136,53 @@ static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb,
 			buflen,
 			nWaitTime * HZ);
 
-	debug_dump(pbBuffer,len,deb_v8);
-
+	debug_dump(pbBuffer, len, deb_v8);
 	return len == buflen ? 0 : -EIO;
 }
 
 #define bytes_left_to_read_on_page(paddr,buflen) \
-			((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \
-			? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)))
+	((V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)) > buflen \
+	 ? buflen : (V8_MEMORY_PAGE_SIZE - (paddr & V8_MEMORY_PAGE_MASK)))
 
-static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb,flexcop_usb_request_t req,
-		flexcop_usb_mem_page_t page_start, u32 addr, int extended, u8 *buf, u32 len)
+static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb,
+		flexcop_usb_request_t req, flexcop_usb_mem_page_t page_start,
+		u32 addr, int extended, u8 *buf, u32 len)
 {
 	int i,ret = 0;
 	u16 wMax;
 	u32 pagechunk = 0;
 
 	switch(req) {
-		case B2C2_USB_READ_V8_MEM:  wMax = USB_MEM_READ_MAX; break;
-		case B2C2_USB_WRITE_V8_MEM:	wMax = USB_MEM_WRITE_MAX; break;
-		case B2C2_USB_FLASH_BLOCK:  wMax = USB_FLASH_MAX; break;
-		default:
-			return -EINVAL;
+	case B2C2_USB_READ_V8_MEM:
+		wMax = USB_MEM_READ_MAX;
+		break;
+	case B2C2_USB_WRITE_V8_MEM:
+		wMax = USB_MEM_WRITE_MAX;
+		break;
+	case B2C2_USB_FLASH_BLOCK:
+		wMax = USB_FLASH_MAX;
+		break;
+	default:
+		return -EINVAL;
 		break;
 	}
 	for (i = 0; i < len;) {
-		pagechunk = wMax < bytes_left_to_read_on_page(addr,len) ? wMax : bytes_left_to_read_on_page(addr,len);
-		deb_info("%x\n",(addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended));
-		if ((ret = flexcop_usb_v8_memory_req(fc_usb,req,
-				page_start + (addr / V8_MEMORY_PAGE_SIZE), /* actual page */
-				(addr & V8_MEMORY_PAGE_MASK) | (V8_MEMORY_EXTENDED*extended),
-				&buf[i],pagechunk)) < 0)
+		pagechunk =
+			wMax < bytes_left_to_read_on_page(addr, len) ?
+				wMax :
+				bytes_left_to_read_on_page(addr, len);
+		deb_info("%x\n",
+			(addr & V8_MEMORY_PAGE_MASK) |
+				(V8_MEMORY_EXTENDED*extended));
+
+		ret = flexcop_usb_v8_memory_req(fc_usb, req,
+			page_start + (addr / V8_MEMORY_PAGE_SIZE),
+			(addr & V8_MEMORY_PAGE_MASK) |
+				(V8_MEMORY_EXTENDED*extended),
+			&buf[i], pagechunk);
+
+		if (ret < 0)
 			return ret;
-
 		addr += pagechunk;
 		len -= pagechunk;
 	}
@@ -180,8 +191,9 @@ static int flexcop_usb_memory_req(struct flexcop_usb *fc_usb,flexcop_usb_request
 
 static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended)
 {
-	return flexcop_usb_memory_req(fc->bus_specific,B2C2_USB_READ_V8_MEM,
-			V8_MEMORY_PAGE_FLASH,0x1f010,1,fc->dvb_adapter.proposed_mac,6);
+	return flexcop_usb_memory_req(fc->bus_specific, B2C2_USB_READ_V8_MEM,
+		V8_MEMORY_PAGE_FLASH, 0x1f010, 1,
+		fc->dvb_adapter.proposed_mac, 6);
 }
 
 #if 0
@@ -191,11 +203,8 @@ static int flexcop_usb_utility_req(struct flexcop_usb *fc_usb, int set,
 {
 	u16 wValue;
 	u8 request_type = (set ? USB_DIR_OUT : USB_DIR_IN) | USB_TYPE_VENDOR;
-//	u8 dwRequestType = (u8) RTYPE_GENERIC,
 	int nWaitTime = 2,
-		pipe = set ? B2C2_USB_CTRL_PIPE_OUT : B2C2_USB_CTRL_PIPE_IN,
-		len;
-
+	    pipe = set ? B2C2_USB_CTRL_PIPE_OUT : B2C2_USB_CTRL_PIPE_IN, len;
 	wValue = (func << 8) | extra;
 
 	len = usb_control_msg(fc_usb->udev,pipe,
@@ -218,36 +227,35 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c,
 	struct flexcop_usb *fc_usb = i2c->fc->bus_specific;
 	u16 wValue, wIndex;
 	int nWaitTime,pipe,len;
-//	u8 dwRequestType;
 	u8 request_type = USB_TYPE_VENDOR;
 
 	switch (func) {
-		case USB_FUNC_I2C_WRITE:
-		case USB_FUNC_I2C_MULTIWRITE:
-		case USB_FUNC_I2C_REPEATWRITE:
+	case USB_FUNC_I2C_WRITE:
+	case USB_FUNC_I2C_MULTIWRITE:
+	case USB_FUNC_I2C_REPEATWRITE:
 		/* DKT 020208 - add this to support special case of DiSEqC */
-		case USB_FUNC_I2C_CHECKWRITE:
-			pipe = B2C2_USB_CTRL_PIPE_OUT;
-			nWaitTime = 2;
-//			dwRequestType = (u8) RTYPE_GENERIC;
-			request_type |= USB_DIR_OUT;
+	case USB_FUNC_I2C_CHECKWRITE:
+		pipe = B2C2_USB_CTRL_PIPE_OUT;
+		nWaitTime = 2;
+		request_type |= USB_DIR_OUT;
 		break;
-		case USB_FUNC_I2C_READ:
-		case USB_FUNC_I2C_REPEATREAD:
-			pipe = B2C2_USB_CTRL_PIPE_IN;
-			nWaitTime = 2;
-//			dwRequestType = (u8) RTYPE_GENERIC;
-			request_type |= USB_DIR_IN;
+	case USB_FUNC_I2C_READ:
+	case USB_FUNC_I2C_REPEATREAD:
+		pipe = B2C2_USB_CTRL_PIPE_IN;
+		nWaitTime = 2;
+		request_type |= USB_DIR_IN;
 		break;
-		default:
-			deb_info("unsupported function for i2c_req %x\n",func);
-			return -EINVAL;
+	default:
+		deb_info("unsupported function for i2c_req %x\n", func);
+		return -EINVAL;
 	}
 	wValue = (func << 8) | (i2c->port << 4);
 	wIndex = (chipaddr << 8 ) | addr;
 
-	deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n",func,request_type,req,
-		wValue & 0xff, wValue >> 8, wIndex & 0xff, wIndex >> 8);
+	deb_i2c("i2c %2d: %02x %02x %02x %02x %02x %02x\n",
+			func, request_type, req,
+			wValue & 0xff, wValue >> 8,
+			wIndex & 0xff, wIndex >> 8);
 
 	len = usb_control_msg(fc_usb->udev,pipe,
 			req,
@@ -257,44 +265,49 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c,
 			buf,
 			buflen,
 			nWaitTime * HZ);
-
 	return len == buflen ? 0 : -EREMOTEIO;
 }
 
-/* actual bus specific access functions, make sure prototype are/will be equal to pci */
-static flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg)
+/* actual bus specific access functions,
+   make sure prototype are/will be equal to pci */
+static flexcop_ibi_value flexcop_usb_read_ibi_reg(struct flexcop_device *fc,
+	flexcop_ibi_register reg)
 {
 	flexcop_ibi_value val;
 	val.raw = 0;
-	flexcop_usb_readwrite_dw(fc,reg, &val.raw, 1);
+	flexcop_usb_readwrite_dw(fc, reg, &val.raw, 1);
 	return val;
 }
 
-static int flexcop_usb_write_ibi_reg(struct flexcop_device *fc, flexcop_ibi_register reg, flexcop_ibi_value val)
+static int flexcop_usb_write_ibi_reg(struct flexcop_device *fc,
+		flexcop_ibi_register reg, flexcop_ibi_value val)
 {
-	return flexcop_usb_readwrite_dw(fc,reg, &val.raw, 0);
+	return flexcop_usb_readwrite_dw(fc, reg, &val.raw, 0);
 }
 
 static int flexcop_usb_i2c_request(struct flexcop_i2c_adapter *i2c,
-	flexcop_access_op_t op, u8 chipaddr, u8 addr, u8 *buf, u16 len)
+		flexcop_access_op_t op, u8 chipaddr, u8 addr, u8 *buf, u16 len)
 {
 	if (op == FC_READ)
 		return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST,
-			USB_FUNC_I2C_READ, chipaddr, addr, buf, len);
+				USB_FUNC_I2C_READ, chipaddr, addr, buf, len);
 	else
 		return flexcop_usb_i2c_req(i2c, B2C2_USB_I2C_REQUEST,
-			USB_FUNC_I2C_WRITE, chipaddr, addr, buf, len);
+				USB_FUNC_I2C_WRITE, chipaddr, addr, buf, len);
 }
 
-static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, u8 *buffer, int buffer_length)
+static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb,
+	u8 *buffer, int buffer_length)
 {
 	u8 *b;
 	int l;
 
-	deb_ts("tmp_buffer_length=%d, buffer_length=%d\n", fc_usb->tmp_buffer_length, buffer_length);
+	deb_ts("tmp_buffer_length=%d, buffer_length=%d\n",
+		fc_usb->tmp_buffer_length, buffer_length);
 
 	if (fc_usb->tmp_buffer_length > 0) {
-		memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer, buffer_length);
+		memcpy(fc_usb->tmp_buffer+fc_usb->tmp_buffer_length, buffer,
+				buffer_length);
 		fc_usb->tmp_buffer_length += buffer_length;
 		b = fc_usb->tmp_buffer;
 		l = fc_usb->tmp_buffer_length;
@@ -304,23 +317,26 @@ static void flexcop_usb_process_frame(struct flexcop_usb *fc_usb, u8 *buffer, in
 	}
 
 	while (l >= 190) {
-		if (*b == 0xff)
+		if (*b == 0xff) {
 			switch (*(b+1) & 0x03) {
-				case 0x01: /* media packet */
-					if ( *(b+2) == 0x47 )
-						flexcop_pass_dmx_packets(fc_usb->fc_dev, b+2, 1);
-					else
-						deb_ts("not ts packet %02x %02x %02x %02x \n", *(b+2), *(b+3), *(b+4), *(b+5) );
-
-					b += 190;
-					l -= 190;
+			case 0x01: /* media packet */
+				if (*(b+2) == 0x47)
+					flexcop_pass_dmx_packets(
+							fc_usb->fc_dev, b+2, 1);
+				else
+					deb_ts(
+					"not ts packet %02x %02x %02x %02x \n",
+						*(b+2), *(b+3),
+						*(b+4), *(b+5));
+				b += 190;
+				l -= 190;
 				break;
-				default:
-					deb_ts("wrong packet type\n");
-					l = 0;
+			default:
+				deb_ts("wrong packet type\n");
+				l = 0;
 				break;
 			}
-		else {
+		} else {
 			deb_ts("wrong header\n");
 			l = 0;
 		}
@@ -337,23 +353,26 @@ static void flexcop_usb_urb_complete(struct urb *urb)
 	int i;
 
 	if (urb->actual_length > 0)
-		deb_ts("urb completed, bufsize: %d actlen; %d\n",urb->transfer_buffer_length, urb->actual_length);
+		deb_ts("urb completed, bufsize: %d actlen; %d\n",
+			urb->transfer_buffer_length, urb->actual_length);
 
 	for (i = 0; i < urb->number_of_packets; i++) {
 		if (urb->iso_frame_desc[i].status < 0) {
-			err("iso frame descriptor %d has an error: %d\n",i,urb->iso_frame_desc[i].status);
+			err("iso frame descriptor %d has an error: %d\n", i,
+				urb->iso_frame_desc[i].status);
 		} else
 			if (urb->iso_frame_desc[i].actual_length > 0) {
-				deb_ts("passed %d bytes to the demux\n",urb->iso_frame_desc[i].actual_length);
+				deb_ts("passed %d bytes to the demux\n",
+					urb->iso_frame_desc[i].actual_length);
 
 				flexcop_usb_process_frame(fc_usb,
-					urb->transfer_buffer + urb->iso_frame_desc[i].offset,
+					urb->transfer_buffer +
+						urb->iso_frame_desc[i].offset,
 					urb->iso_frame_desc[i].actual_length);
-		}
+			}
 		urb->iso_frame_desc[i].status = 0;
 		urb->iso_frame_desc[i].actual_length = 0;
 	}
-
 	usb_submit_urb(urb,GFP_ATOMIC);
 }
 
@@ -374,35 +393,47 @@ static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb)
 		}
 
 	if (fc_usb->iso_buffer != NULL)
-		pci_free_consistent(NULL,fc_usb->buffer_size, fc_usb->iso_buffer, fc_usb->dma_addr);
+		pci_free_consistent(NULL,
+			fc_usb->buffer_size, fc_usb->iso_buffer,
+			fc_usb->dma_addr);
 }
 
 static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
 {
-	u16 frame_size = le16_to_cpu(fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize);
-	int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * frame_size,i,j,ret;
+	u16 frame_size = le16_to_cpu(
+		fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize);
+	int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO *
+		frame_size, i, j, ret;
 	int buffer_offset = 0;
 
-	deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n",
-			B2C2_USB_NUM_ISO_URB, B2C2_USB_FRAMES_PER_ISO, frame_size,bufsize);
+	deb_ts("creating %d iso-urbs with %d frames "
+			"each of %d bytes size = %d.\n", B2C2_USB_NUM_ISO_URB,
+			B2C2_USB_FRAMES_PER_ISO, frame_size, bufsize);
 
-	fc_usb->iso_buffer = pci_alloc_consistent(NULL,bufsize,&fc_usb->dma_addr);
+	fc_usb->iso_buffer = pci_alloc_consistent(NULL,
+			bufsize, &fc_usb->dma_addr);
 	if (fc_usb->iso_buffer == NULL)
 		return -ENOMEM;
+
 	memset(fc_usb->iso_buffer, 0, bufsize);
 	fc_usb->buffer_size = bufsize;
 
 	/* creating iso urbs */
-	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++)
-		if (!(fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO,GFP_ATOMIC))) {
+	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) {
+		fc_usb->iso_urb[i] = usb_alloc_urb(B2C2_USB_FRAMES_PER_ISO,
+			GFP_ATOMIC);
+		if (fc_usb->iso_urb[i] == NULL) {
 			ret = -ENOMEM;
 			goto urb_error;
 		}
+	}
+
 	/* initialising and submitting iso urbs */
 	for (i = 0; i < B2C2_USB_NUM_ISO_URB; i++) {
 		int frame_offset = 0;
 		struct urb *urb = fc_usb->iso_urb[i];
-		deb_ts("initializing and submitting urb no. %d (buf_offset: %d).\n",i,buffer_offset);
+		deb_ts("initializing and submitting urb no. %d "
+			"(buf_offset: %d).\n", i, buffer_offset);
 
 		urb->dev = fc_usb->udev;
 		urb->context = fc_usb;
@@ -416,26 +447,26 @@ static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
 
 		buffer_offset += frame_size * B2C2_USB_FRAMES_PER_ISO;
 		for (j = 0; j < B2C2_USB_FRAMES_PER_ISO; j++) {
-			deb_ts("urb no: %d, frame: %d, frame_offset: %d\n",i,j,frame_offset);
+			deb_ts("urb no: %d, frame: %d, frame_offset: %d\n",
+					i, j, frame_offset);
 			urb->iso_frame_desc[j].offset = frame_offset;
 			urb->iso_frame_desc[j].length = frame_size;
 			frame_offset += frame_size;
 		}
 
 		if ((ret = usb_submit_urb(fc_usb->iso_urb[i],GFP_ATOMIC))) {
-			err("submitting urb %d failed with %d.",i,ret);
+			err("submitting urb %d failed with %d.", i, ret);
 			goto urb_error;
 		}
 		deb_ts("submitted urb no. %d.\n",i);
 	}
 
-/* SRAM */
-
-	flexcop_sram_set_dest(fc_usb->fc_dev,FC_SRAM_DEST_MEDIA | FC_SRAM_DEST_NET |
-			FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI, FC_SRAM_DEST_TARGET_WAN_USB);
-	flexcop_wan_set_speed(fc_usb->fc_dev,FC_WAN_SPEED_8MBITS);
-	flexcop_sram_ctrl(fc_usb->fc_dev,1,1,1);
-
+	/* SRAM */
+	flexcop_sram_set_dest(fc_usb->fc_dev, FC_SRAM_DEST_MEDIA |
+			FC_SRAM_DEST_NET | FC_SRAM_DEST_CAO | FC_SRAM_DEST_CAI,
+			FC_SRAM_DEST_TARGET_WAN_USB);
+	flexcop_wan_set_speed(fc_usb->fc_dev, FC_WAN_SPEED_8MBITS);
+	flexcop_sram_ctrl(fc_usb->fc_dev, 1, 1, 1);
 	return 0;
 
 urb_error:
@@ -448,20 +479,20 @@ static int flexcop_usb_init(struct flexcop_usb *fc_usb)
 	/* use the alternate setting with the larges buffer */
 	usb_set_interface(fc_usb->udev,0,1);
 	switch (fc_usb->udev->speed) {
-		case USB_SPEED_LOW:
-			err("cannot handle USB speed because it is to sLOW.");
-			return -ENODEV;
-			break;
-		case USB_SPEED_FULL:
-			info("running at FULL speed.");
-			break;
-		case USB_SPEED_HIGH:
-			info("running at HIGH speed.");
-			break;
-		case USB_SPEED_UNKNOWN: /* fall through */
-		default:
-			err("cannot handle USB speed because it is unkown.");
-			return -ENODEV;
+	case USB_SPEED_LOW:
+		err("cannot handle USB speed because it is too slow.");
+		return -ENODEV;
+		break;
+	case USB_SPEED_FULL:
+		info("running at FULL speed.");
+		break;
+	case USB_SPEED_HIGH:
+		info("running at HIGH speed.");
+		break;
+	case USB_SPEED_UNKNOWN: /* fall through */
+	default:
+		err("cannot handle USB speed because it is unknown.");
+		return -ENODEV;
 	}
 	usb_set_intfdata(fc_usb->uintf, fc_usb);
 	return 0;
@@ -485,7 +516,7 @@ static int flexcop_usb_probe(struct usb_interface *intf,
 		return -ENOMEM;
 	}
 
-/* general flexcop init */
+	/* general flexcop init */
 	fc_usb = fc->bus_specific;
 	fc_usb->fc_dev = fc;
 
@@ -502,21 +533,21 @@ static int flexcop_usb_probe(struct usb_interface *intf,
 	fc->dev = &udev->dev;
 	fc->owner = THIS_MODULE;
 
-/* bus specific part */
+	/* bus specific part */
 	fc_usb->udev = udev;
 	fc_usb->uintf = intf;
 	if ((ret = flexcop_usb_init(fc_usb)) != 0)
 		goto err_kfree;
 
-/* init flexcop */
+	/* init flexcop */
 	if ((ret = flexcop_device_initialize(fc)) != 0)
 		goto err_usb_exit;
 
-/* xfer init */
+	/* xfer init */
 	if ((ret = flexcop_usb_transfer_init(fc_usb)) != 0)
 		goto err_fc_exit;
 
-	info("%s successfully initialized and connected.",DRIVER_NAME);
+	info("%s successfully initialized and connected.", DRIVER_NAME);
 	return 0;
 
 err_fc_exit:
@@ -535,12 +566,12 @@ static void flexcop_usb_disconnect(struct usb_interface *intf)
 	flexcop_device_exit(fc_usb->fc_dev);
 	flexcop_usb_exit(fc_usb);
 	flexcop_device_kfree(fc_usb->fc_dev);
-	info("%s successfully deinitialized and disconnected.",DRIVER_NAME);
+	info("%s successfully deinitialized and disconnected.", DRIVER_NAME);
 }
 
 static struct usb_device_id flexcop_usb_table [] = {
-	    { USB_DEVICE(0x0af7, 0x0101) },
-	    { }
+	{ USB_DEVICE(0x0af7, 0x0101) },
+	{ }
 };
 MODULE_DEVICE_TABLE (usb, flexcop_usb_table);
 
@@ -557,10 +588,9 @@ static int __init flexcop_usb_module_init(void)
 {
 	int result;
 	if ((result = usb_register(&flexcop_usb_driver))) {
-		err("usb_register failed. (%d)",result);
+		err("usb_register failed. (%d)", result);
 		return result;
 	}
-
 	return 0;
 }