staging: comedi: addi_apci_16xx: remove unnecessary comments

A lot of the comments in hwdrv_apci16xx.c have whitespace damage and
are simply unnecessary. Just remove them to make the code a bit more
readable.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/addi-data/hwdrv_apci16xx.c

@@ -100,7 +100,6 @@ You should also find the complete GPL in the COPYING file accompanying this sour
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-
 static int i_APCI16XX_InsnConfigInitTTLIO(struct comedi_device *dev,
 					  struct comedi_subdevice *s,
 					  struct comedi_insn *insn,
@@ -114,97 +113,53 @@ static int i_APCI16XX_InsnConfigInitTTLIO(struct comedi_device *dev,
 	unsigned char b_NumberOfPort =
 		(unsigned char) (this_board->i_NbrTTLChannel / 8);
 
-	/************************/
 	/* Test the buffer size */
-	/************************/
-
 	if (insn->n >= 1) {
-	   /*******************/
 		/* Get the command */
-		/* **************** */
-
 		b_Command = (unsigned char) data[0];
 
-	   /********************/
 		/* Test the command */
-	   /********************/
-
 		if ((b_Command == APCI16XX_TTL_INIT) ||
 			(b_Command == APCI16XX_TTL_INITDIRECTION) ||
 			(b_Command == APCI16XX_TTL_OUTPUTMEMORY)) {
-	      /***************************************/
 			/* Test the initialisation buffer size */
-	      /***************************************/
-
 			if ((b_Command == APCI16XX_TTL_INITDIRECTION)
 				&& ((unsigned char) (insn->n - 1) != b_NumberOfPort)) {
-		 /*******************/
-				/* Data size error */
-		 /*******************/
-
 				printk("\nBuffer size error");
 				i_ReturnValue = -101;
 			}
 
 			if ((b_Command == APCI16XX_TTL_OUTPUTMEMORY)
 				&& ((unsigned char) (insn->n) != 2)) {
-		 /*******************/
-				/* Data size error */
-		 /*******************/
-
 				printk("\nBuffer size error");
 				i_ReturnValue = -101;
 			}
 		} else {
-	      /************************/
-			/* Config command error */
-	      /************************/
-
 			printk("\nCommand selection error");
 			i_ReturnValue = -100;
 		}
 	} else {
-	   /*******************/
-		/* Data size error */
-	   /*******************/
-
 		printk("\nBuffer size error");
 		i_ReturnValue = -101;
 	}
 
-	/**************************************************************************/
 	/* Test if no error occur and APCI16XX_TTL_INITDIRECTION command selected */
-	/**************************************************************************/
-
 	if ((i_ReturnValue >= 0) && (b_Command == APCI16XX_TTL_INITDIRECTION)) {
 		memset(devpriv->ul_TTLPortConfiguration, 0,
 			sizeof(devpriv->ul_TTLPortConfiguration));
 
-	   /*************************************/
 		/* Test the port direction selection */
-	   /*************************************/
-
 		for (b_Cpt = 1;
 			(b_Cpt <= b_NumberOfPort) && (i_ReturnValue >= 0);
 			b_Cpt++) {
-	      /**********************/
 			/* Test the direction */
-	      /**********************/
-
 			if ((data[b_Cpt] != 0) && (data[b_Cpt] != 0xFF)) {
-		 /************************/
-				/* Port direction error */
-		 /************************/
-
 				printk("\nPort %d direction selection error",
 					(int) b_Cpt);
 				i_ReturnValue = -(int) b_Cpt;
 			}
 
-	      /**************************/
 			/* Save the configuration */
-	      /**************************/
-
 			devpriv->ul_TTLPortConfiguration[(b_Cpt - 1) / 4] =
 				devpriv->ul_TTLPortConfiguration[(b_Cpt -
 					1) / 4] | (data[b_Cpt] << (8 * ((b_Cpt -
@@ -212,27 +167,15 @@ static int i_APCI16XX_InsnConfigInitTTLIO(struct comedi_device *dev,
 		}
 	}
 
-	/**************************/
 	/* Test if no error occur */
-	/**************************/
-
 	if (i_ReturnValue >= 0) {
-	   /***********************************/
 		/* Test if TTL port initilaisation */
-	   /***********************************/
-
 		if ((b_Command == APCI16XX_TTL_INIT)
 			|| (b_Command == APCI16XX_TTL_INITDIRECTION)) {
-	      /******************************/
 			/* Set all port configuration */
-	      /******************************/
-
 			for (b_Cpt = 0; b_Cpt <= b_NumberOfPort; b_Cpt++) {
 				if ((b_Cpt % 4) == 0) {
-		    /*************************/
 					/* Set the configuration */
-		    /*************************/
-
 					outl(devpriv->
 						ul_TTLPortConfiguration[b_Cpt /
 							4],
@@ -242,10 +185,7 @@ static int i_APCI16XX_InsnConfigInitTTLIO(struct comedi_device *dev,
 		}
 	}
 
-	/************************************************/
 	/* Test if output memory initialisation command */
-	/************************************************/
-
 	if (b_Command == APCI16XX_TTL_OUTPUTMEMORY) {
 		if (data[1]) {
 			devpriv->b_OutputMemoryStatus = ADDIDATA_ENABLE;
@@ -257,12 +197,6 @@ static int i_APCI16XX_InsnConfigInitTTLIO(struct comedi_device *dev,
 	return i_ReturnValue;
 }
 
-/*
-+----------------------------------------------------------------------------+
-|                            INPUT FUNCTIONS                                 |
-+----------------------------------------------------------------------------+
-*/
-
 /*
 +----------------------------------------------------------------------------+
 | Function Name     : int     i_APCI16XX_InsnBitsReadTTLIO                   |
@@ -297,7 +231,6 @@ static int i_APCI16XX_InsnConfigInitTTLIO(struct comedi_device *dev,
 |                    -103 : The selected TTL digital input is wrong          |
 +----------------------------------------------------------------------------+
 */
-
 static int i_APCI16XX_InsnBitsReadTTLIO(struct comedi_device *dev,
 					struct comedi_subdevice *s,
 					struct comedi_insn *insn,
@@ -314,32 +247,17 @@ static int i_APCI16XX_InsnBitsReadTTLIO(struct comedi_device *dev,
 	unsigned char *pb_Status;
 	unsigned int dw_Status;
 
-	/************************/
 	/* Test the buffer size */
-	/************************/
-
 	if (insn->n >= 1) {
-	   /*******************/
 		/* Get the command */
-		/* **************** */
-
 		b_Command = (unsigned char) data[0];
 
-	   /********************/
 		/* Test the command */
-	   /********************/
-
 		if ((b_Command == APCI16XX_TTL_READCHANNEL)
 			|| (b_Command == APCI16XX_TTL_READPORT)) {
-	      /**************************/
 			/* Test the selected port */
-	      /**************************/
-
 			if (b_SelectedPort < b_NumberOfPort) {
-		 /**********************/
 				/* Test if input port */
-		 /**********************/
-
 				if (((devpriv->ul_TTLPortConfiguration
 							[b_SelectedPort /
 								4] >> (8 *
@@ -347,78 +265,43 @@ static int i_APCI16XX_InsnBitsReadTTLIO(struct comedi_device *dev,
 									%
 									4))) &
 						0xFF) == 0) {
-		    /***************************/
 					/* Test the channel number */
-		    /***************************/
-
 					if ((b_Command ==
 							APCI16XX_TTL_READCHANNEL)
 						&& (b_InputChannel > 7)) {
-		       /*******************************************/
-						/* The selected TTL digital input is wrong */
-		       /*******************************************/
-
 						printk("\nChannel selection error");
 						i_ReturnValue = -103;
 					}
 				} else {
-		    /****************************************/
-					/* The selected TTL input port is wrong */
-		    /****************************************/
-
 					printk("\nPort selection error");
 					i_ReturnValue = -102;
 				}
 			} else {
-		 /****************************************/
-				/* The selected TTL input port is wrong */
-		 /****************************************/
-
 				printk("\nPort selection error");
 				i_ReturnValue = -102;
 			}
 		} else {
-	      /************************/
-			/* Config command error */
-	      /************************/
-
 			printk("\nCommand selection error");
 			i_ReturnValue = -100;
 		}
 	} else {
-	   /*******************/
-		/* Data size error */
-	   /*******************/
-
 		printk("\nBuffer size error");
 		i_ReturnValue = -101;
 	}
 
-	/**************************/
 	/* Test if no error occur */
-	/**************************/
-
 	if (i_ReturnValue >= 0) {
 		pb_Status = (unsigned char *) &data[0];
 
-	   /*******************************/
 		/* Get the digital inpu status */
-	   /*******************************/
-
 		dw_Status =
 			inl(devpriv->iobase + 8 + ((b_SelectedPort / 4) * 4));
 		dw_Status = (dw_Status >> (8 * (b_SelectedPort % 4))) & 0xFF;
 
-	   /***********************/
 		/* Save the port value */
-	   /***********************/
-
 		*pb_Status = (unsigned char) dw_Status;
 
-	   /***************************************/
 		/* Test if read channel status command */
-	   /***************************************/
-
 		if (b_Command == APCI16XX_TTL_READCHANNEL) {
 			*pb_Status = (*pb_Status >> b_InputChannel) & 1;
 		}
@@ -448,7 +331,6 @@ static int i_APCI16XX_InsnBitsReadTTLIO(struct comedi_device *dev,
 |                    -101 : Data size error                                  |
 +----------------------------------------------------------------------------+
 */
-
 static int i_APCI16XX_InsnReadTTLIOAllPortValue(struct comedi_device *dev,
 						struct comedi_subdevice *s,
 						struct comedi_insn *insn,
@@ -462,16 +344,10 @@ static int i_APCI16XX_InsnReadTTLIOAllPortValue(struct comedi_device *dev,
 	unsigned char b_NumberOfPort = 0;
 	unsigned int *pls_ReadData = data;
 
-	/********************/
 	/* Test the command */
-	/********************/
-
 	if ((b_Command == APCI16XX_TTL_READ_ALL_INPUTS)
 		|| (b_Command == APCI16XX_TTL_READ_ALL_OUTPUTS)) {
-	   /**********************************/
 		/* Get the number of 32-Bit ports */
-	   /**********************************/
-
 		b_NumberOfPort =
 			(unsigned char) (this_board->i_NbrTTLChannel / 32);
 		if ((b_NumberOfPort * 32) <
@@ -479,70 +355,41 @@ static int i_APCI16XX_InsnReadTTLIOAllPortValue(struct comedi_device *dev,
 			b_NumberOfPort = b_NumberOfPort + 1;
 		}
 
-	   /************************/
 		/* Test the buffer size */
-	   /************************/
-
 		if (insn->n >= b_NumberOfPort) {
 			if (b_Command == APCI16XX_TTL_READ_ALL_INPUTS) {
-		 /**************************/
 				/* Read all digital input */
-		 /**************************/
-
 				for (b_Cpt = 0; b_Cpt < b_NumberOfPort; b_Cpt++) {
-		    /************************/
 					/* Read the 32-Bit port */
-		    /************************/
-
 					pls_ReadData[b_Cpt] =
 						inl(devpriv->iobase + 8 +
 						(b_Cpt * 4));
 
-		    /**************************************/
 					/* Mask all channels used als outputs */
-		    /**************************************/
-
 					pls_ReadData[b_Cpt] =
 						pls_ReadData[b_Cpt] &
 						(~devpriv->
 						ul_TTLPortConfiguration[b_Cpt]);
 				}
 			} else {
-		 /****************************/
 				/* Read all digital outputs */
-		 /****************************/
-
 				for (b_Cpt = 0; b_Cpt < b_NumberOfPort; b_Cpt++) {
-		    /************************/
 					/* Read the 32-Bit port */
-		    /************************/
-
 					pls_ReadData[b_Cpt] =
 						inl(devpriv->iobase + 20 +
 						(b_Cpt * 4));
 
-		    /**************************************/
 					/* Mask all channels used als outputs */
-		    /**************************************/
-
 					pls_ReadData[b_Cpt] =
 						pls_ReadData[b_Cpt] & devpriv->
 						ul_TTLPortConfiguration[b_Cpt];
 				}
 			}
 		} else {
-	      /*******************/
-			/* Data size error */
-	      /*******************/
-
 			printk("\nBuffer size error");
 			i_ReturnValue = -101;
 		}
 	} else {
-	   /*****************/
-		/* Command error */
-	   /*****************/
-
 		printk("\nCommand selection error");
 		i_ReturnValue = -100;
 	}
@@ -550,12 +397,6 @@ static int i_APCI16XX_InsnReadTTLIOAllPortValue(struct comedi_device *dev,
 	return i_ReturnValue;
 }
 
-/*
-+----------------------------------------------------------------------------+
-|                            OUTPUT FUNCTIONS                                |
-+----------------------------------------------------------------------------+
-*/
-
 /*
 +----------------------------------------------------------------------------+
 | Function Name     : int     i_APCI16XX_InsnBitsWriteTTLIO                  |
@@ -592,7 +433,6 @@ static int i_APCI16XX_InsnReadTTLIOAllPortValue(struct comedi_device *dev,
 |                    -104 : Output memory disabled                           |
 +----------------------------------------------------------------------------+
 */
-
 static int i_APCI16XX_InsnBitsWriteTTLIO(struct comedi_device *dev,
 					 struct comedi_subdevice *s,
 					 struct comedi_insn *insn,
@@ -608,34 +448,19 @@ static int i_APCI16XX_InsnBitsWriteTTLIO(struct comedi_device *dev,
 	unsigned char b_OutputChannel = CR_CHAN(insn->chanspec);
 	unsigned int dw_Status = 0;
 
-	/************************/
 	/* Test the buffer size */
-	/************************/
-
 	if (insn->n >= 1) {
-	   /*******************/
 		/* Get the command */
-		/* **************** */
-
 		b_Command = (unsigned char) data[0];
 
-	   /********************/
 		/* Test the command */
-	   /********************/
-
 		if ((b_Command == APCI16XX_TTL_WRITECHANNEL_ON) ||
 			(b_Command == APCI16XX_TTL_WRITEPORT_ON) ||
 			(b_Command == APCI16XX_TTL_WRITECHANNEL_OFF) ||
 			(b_Command == APCI16XX_TTL_WRITEPORT_OFF)) {
-	      /**************************/
 			/* Test the selected port */
-	      /**************************/
-
 			if (b_SelectedPort < b_NumberOfPort) {
-		 /***********************/
 				/* Test if output port */
-		 /***********************/
-
 				if (((devpriv->ul_TTLPortConfiguration
 							[b_SelectedPort /
 								4] >> (8 *
@@ -643,126 +468,71 @@ static int i_APCI16XX_InsnBitsWriteTTLIO(struct comedi_device *dev,
 									%
 									4))) &
 						0xFF) == 0xFF) {
-		    /***************************/
 					/* Test the channel number */
-		    /***************************/
-
 					if (((b_Command == APCI16XX_TTL_WRITECHANNEL_ON) || (b_Command == APCI16XX_TTL_WRITECHANNEL_OFF)) && (b_OutputChannel > 7)) {
-		       /********************************************/
-						/* The selected TTL digital output is wrong */
-		       /********************************************/
-
 						printk("\nChannel selection error");
 						i_ReturnValue = -103;
 					}
 
 					if (((b_Command == APCI16XX_TTL_WRITECHANNEL_OFF) || (b_Command == APCI16XX_TTL_WRITEPORT_OFF)) && (devpriv->b_OutputMemoryStatus == ADDIDATA_DISABLE)) {
-		       /********************************************/
-						/* The selected TTL digital output is wrong */
-		       /********************************************/
-
 						printk("\nOutput memory disabled");
 						i_ReturnValue = -104;
 					}
 
-		    /************************/
 					/* Test the buffer size */
-		    /************************/
-
 					if (((b_Command == APCI16XX_TTL_WRITEPORT_ON) || (b_Command == APCI16XX_TTL_WRITEPORT_OFF)) && (insn->n < 2)) {
-		       /*******************/
-						/* Data size error */
-		       /*******************/
-
 						printk("\nBuffer size error");
 						i_ReturnValue = -101;
 					}
 				} else {
-		    /*****************************************/
-					/* The selected TTL output port is wrong */
-		    /*****************************************/
-
 					printk("\nPort selection error %lX",
 						(unsigned long)devpriv->
 						ul_TTLPortConfiguration[0]);
 					i_ReturnValue = -102;
 				}
 			} else {
-		 /****************************************/
-				/* The selected TTL output port is wrong */
-		 /****************************************/
-
 				printk("\nPort selection error %d %d",
 					b_SelectedPort, b_NumberOfPort);
 				i_ReturnValue = -102;
 			}
 		} else {
-	      /************************/
-			/* Config command error */
-	      /************************/
-
 			printk("\nCommand selection error");
 			i_ReturnValue = -100;
 		}
 	} else {
-	   /*******************/
-		/* Data size error */
-	   /*******************/
-
 		printk("\nBuffer size error");
 		i_ReturnValue = -101;
 	}
 
-	/**************************/
 	/* Test if no error occur */
-	/**************************/
-
 	if (i_ReturnValue >= 0) {
-	   /********************************/
 		/* Get the digital output state */
-	   /********************************/
-
 		dw_Status =
 			inl(devpriv->iobase + 20 + ((b_SelectedPort / 4) * 4));
 
-	   /**********************************/
 		/* Test if output memory not used */
-	   /**********************************/
-
 		if (devpriv->b_OutputMemoryStatus == ADDIDATA_DISABLE) {
-	      /*********************************/
 			/* Clear the selected port value */
-	      /*********************************/
-
 			dw_Status =
 				dw_Status & (0xFFFFFFFFUL -
 				(0xFFUL << (8 * (b_SelectedPort % 4))));
 		}
 
-	   /******************************/
 		/* Test if setting channel ON */
-	   /******************************/
-
 		if (b_Command == APCI16XX_TTL_WRITECHANNEL_ON) {
 			dw_Status =
 				dw_Status | (1UL << ((8 * (b_SelectedPort %
 							4)) + b_OutputChannel));
 		}
 
-	   /***************************/
 		/* Test if setting port ON */
-	   /***************************/
-
 		if (b_Command == APCI16XX_TTL_WRITEPORT_ON) {
 			dw_Status =
 				dw_Status | ((data[1] & 0xFF) << (8 *
 					(b_SelectedPort % 4)));
 		}
 
-	   /*******************************/
 		/* Test if setting channel OFF */
-	   /*******************************/
-
 		if (b_Command == APCI16XX_TTL_WRITECHANNEL_OFF) {
 			dw_Status =
 				dw_Status & (0xFFFFFFFFUL -
@@ -770,10 +540,7 @@ static int i_APCI16XX_InsnBitsWriteTTLIO(struct comedi_device *dev,
 						b_OutputChannel)));
 		}
 
-	   /****************************/
 		/* Test if setting port OFF */
-	   /****************************/
-
 		if (b_Command == APCI16XX_TTL_WRITEPORT_OFF) {
 			dw_Status =
 				dw_Status & (0xFFFFFFFFUL -