[PATCH] I2C: coding style updates for i2c-iop3xx driver

drivers/i2c/i2c-iop3xx.c

@@ -61,13 +61,13 @@ static inline unsigned char iic_cook_addr(struct i2c_msg *msg)
 {
 	unsigned char addr;
 
-	addr = ( msg->addr << 1 );
+	addr = (msg->addr << 1);
 
-	if (msg->flags & I2C_M_RD )
+	if (msg->flags & I2C_M_RD)
 		addr |= 1;
 
-/* PGM: what is M_REV_DIR_ADDR - do we need it ?? */
-	if (msg->flags & I2C_M_REV_DIR_ADDR )
+	/* PGM: what is M_REV_DIR_ADDR - do we need it ?? */
+	if (msg->flags & I2C_M_REV_DIR_ADDR)
 		addr ^= 1;
 
 	return addr;   
@@ -76,100 +76,93 @@ static inline unsigned char iic_cook_addr(struct i2c_msg *msg)
 
 static inline void iop3xx_adap_reset(struct i2c_algo_iop3xx_data *iop3xx_adap)
 {
-	// Follows devman 9.3
+	/* Follows devman 9.3 */
 	*iop3xx_adap->biu->CR = IOP321_ICR_UNIT_RESET;
 	*iop3xx_adap->biu->SR = IOP321_ISR_CLEARBITS;
 	*iop3xx_adap->biu->CR = 0;
 } 
 
-static inline void iop3xx_adap_set_slave_addr(
-	struct i2c_algo_iop3xx_data *iop3xx_adap )
+static inline void iop3xx_adap_set_slave_addr(struct i2c_algo_iop3xx_data *iop3xx_adap)
 {
 	*iop3xx_adap->biu->SAR = MYSAR;
 }
 
-static inline void iop3xx_adap_enable( 
-	struct i2c_algo_iop3xx_data *iop3xx_adap )
+static inline void iop3xx_adap_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)
 {
 	u32 cr = IOP321_ICR_GCD|IOP321_ICR_SCLEN|IOP321_ICR_UE;
 
-/* NB SR bits not same position as CR IE bits :-( */
+	/* NB SR bits not same position as CR IE bits :-( */
 	iop3xx_adap->biu->SR_enabled = 
-		IOP321_ISR_ALD|IOP321_ISR_BERRD|
-		IOP321_ISR_RXFULL|IOP321_ISR_TXEMPTY;
+		IOP321_ISR_ALD | IOP321_ISR_BERRD |
+		IOP321_ISR_RXFULL | IOP321_ISR_TXEMPTY;
 
-	cr |= IOP321_ICR_ALDIE|IOP321_ICR_BERRIE|
-		IOP321_ICR_RXFULLIE|IOP321_ICR_TXEMPTYIE;
+	cr |= IOP321_ICR_ALDIE | IOP321_ICR_BERRIE |
+		IOP321_ICR_RXFULLIE | IOP321_ICR_TXEMPTYIE;
 
 	*iop3xx_adap->biu->CR = cr;
 }
 
-static void iop3xx_adap_transaction_cleanup( 
-	struct i2c_algo_iop3xx_data *iop3xx_adap )
+static void iop3xx_adap_transaction_cleanup(struct i2c_algo_iop3xx_data *iop3xx_adap)
 {
 	unsigned cr = *iop3xx_adap->biu->CR;
 	
 	cr &= ~(IOP321_ICR_MSTART | IOP321_ICR_TBYTE | 
-		IOP321_ICR_MSTOP | IOP321_ICR_SCLEN );
+		IOP321_ICR_MSTOP | IOP321_ICR_SCLEN);
 	*iop3xx_adap->biu->CR = cr;
 }
 
-static void iop3xx_adap_final_cleanup( 
-	struct i2c_algo_iop3xx_data *iop3xx_adap )
+static void iop3xx_adap_final_cleanup(struct i2c_algo_iop3xx_data *iop3xx_adap)
 {
 	unsigned cr = *iop3xx_adap->biu->CR;
 	
-	cr &= ~(IOP321_ICR_ALDIE|IOP321_ICR_BERRIE|
-		IOP321_ICR_RXFULLIE|IOP321_ICR_TXEMPTYIE);
+	cr &= ~(IOP321_ICR_ALDIE | IOP321_ICR_BERRIE |
+		IOP321_ICR_RXFULLIE | IOP321_ICR_TXEMPTYIE);
 	iop3xx_adap->biu->SR_enabled = 0;
 	*iop3xx_adap->biu->CR = cr;
 }
 
-
-
-static void iop3xx_i2c_handler( int this_irq, 
-				void *dev_id, 
-				struct pt_regs *regs) 
 /* 
  * NB: the handler has to clear the source of the interrupt! 
  * Then it passes the SR flags of interest to BH via adap data
  */
+static void iop3xx_i2c_handler(int this_irq, 
+				void *dev_id, 
+				struct pt_regs *regs) 
 {
 	struct i2c_algo_iop3xx_data *iop3xx_adap = dev_id;
 
 	u32 sr = *iop3xx_adap->biu->SR;
 
-	if ( (sr &= iop3xx_adap->biu->SR_enabled) ){
+	if ((sr &= iop3xx_adap->biu->SR_enabled)) {
 		*iop3xx_adap->biu->SR = sr;
 		iop3xx_adap->biu->SR_received |= sr;
 		wake_up_interruptible(&iop3xx_adap->waitq);
 	}
 }
 
-
-static int iop3xx_adap_error( u32 sr )
-// check all error conditions, clear them , report most important
+/* check all error conditions, clear them , report most important */
+static int iop3xx_adap_error(u32 sr)
 {
 	int rc = 0;
 
-	if ( (sr&IOP321_ISR_BERRD) ) {
+	if ((sr&IOP321_ISR_BERRD)) {
 		if ( !rc ) rc = -I2C_ERR_BERR;
 	}
-	if ( (sr&IOP321_ISR_ALD) ){
+	if ((sr&IOP321_ISR_ALD)) {
 		if ( !rc ) rc = -I2C_ERR_ALD;		
 	}
 	return rc;	
 }
 
-static inline u32 get_srstat( struct i2c_algo_iop3xx_data *iop3xx_adap  )
+static inline u32 get_srstat(struct i2c_algo_iop3xx_data *iop3xx_adap)
 {
 	unsigned long flags;
 	u32 sr;
 
-	spin_lock_irqsave( &iop3xx_adap->lock, flags );
+	spin_lock_irqsave(&iop3xx_adap->lock, flags);
 	sr = iop3xx_adap->biu->SR_received;
 	iop3xx_adap->biu->SR_received = 0;
-	spin_unlock_irqrestore( &iop3xx_adap->lock, flags );
+	spin_unlock_irqrestore(&iop3xx_adap->lock, flags);
 
 	return sr;
 }
@@ -178,12 +171,12 @@ static inline u32 get_srstat( struct i2c_algo_iop3xx_data *iop3xx_adap  )
  * sleep until interrupted, then recover and analyse the SR
  * saved by handler
  */
-typedef int (* CompareFunc)( unsigned test, unsigned mask );
+typedef int (* compare_func)(unsigned test, unsigned mask);
 /* returns 1 on correct comparison */
 
-static int iop3xx_adap_wait_event( struct i2c_algo_iop3xx_data *iop3xx_adap, 
+static int iop3xx_adap_wait_event(struct i2c_algo_iop3xx_data *iop3xx_adap, 
 				  unsigned flags, unsigned* status,
-			    CompareFunc compare )
+				  compare_func compare)
 {
 	unsigned sr = 0;
 	int interrupted;
@@ -196,100 +189,94 @@ static int iop3xx_adap_wait_event( struct i2c_algo_iop3xx_data *iop3xx_adap,
 			(done = compare( sr = get_srstat(iop3xx_adap),flags )),
 			iop3xx_adap->timeout
 			);
-		if ( (rc = iop3xx_adap_error( sr )) < 0 ){
+		if ((rc = iop3xx_adap_error(sr)) < 0) {
 			*status = sr;
 			return rc;
-		}else if ( !interrupted ){
+		}else if (!interrupted) {
 			*status = sr;
 			return rc = -ETIMEDOUT;
 		}
-	} while( !done );
+	} while(!done);
 
 	*status = sr;
 
 	return rc = 0;
 }
 
-
-
-
 /*
- * Concrete CompareFuncs 
+ * Concrete compare_funcs 
  */
-static int all_bits_clear( unsigned test, unsigned mask ) {
-	return (test&mask) == 0;
+static int all_bits_clear(unsigned test, unsigned mask)
+{
+	return (test & mask) == 0;
 }
-static int any_bits_set( unsigned test, unsigned mask ) {
-	return (test&mask) != 0;
+static int any_bits_set(unsigned test, unsigned mask)
+{
+	return (test & mask) != 0;
 }
 
-
-static int iop3xx_adap_wait_tx_done(
-	struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)
+static int iop3xx_adap_wait_tx_done(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)
 {
 	return iop3xx_adap_wait_event( 
 		iop3xx_adap, 
 	        IOP321_ISR_TXEMPTY|IOP321_ISR_ALD|IOP321_ISR_BERRD,
-		status, any_bits_set );
+		status, any_bits_set);
 }
 
-static int iop3xx_adap_wait_rx_done(
-	struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)
+static int iop3xx_adap_wait_rx_done(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)
 {
 	return iop3xx_adap_wait_event( 
 		iop3xx_adap, 
 		IOP321_ISR_RXFULL|IOP321_ISR_ALD|IOP321_ISR_BERRD,
-		status,	any_bits_set );
+		status,	any_bits_set);
 }
 
-static int iop3xx_adap_wait_idle(
-	struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)
+static int iop3xx_adap_wait_idle(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)
 {
 	return iop3xx_adap_wait_event( 
-		iop3xx_adap, IOP321_ISR_UNITBUSY, status, all_bits_clear );
+		iop3xx_adap, IOP321_ISR_UNITBUSY, status, all_bits_clear);
 }
 
-//
-// Description: This performs the IOP3xx initialization sequence
-// Valid for IOP321. Maybe valid for IOP310?.
-//
+/*
+ * Description: This performs the IOP3xx initialization sequence
+ * Valid for IOP321. Maybe valid for IOP310?.
+ */
 static int iop3xx_adap_init (struct i2c_algo_iop3xx_data *iop3xx_adap)
 {
-	*IOP321_GPOD &= ~(iop3xx_adap->channel==0?
+	*IOP321_GPOD &= ~(iop3xx_adap->channel==0 ?
 			  IOP321_GPOD_I2C0:
 			  IOP321_GPOD_I2C1);
 
-	iop3xx_adap_reset( iop3xx_adap );
-	iop3xx_adap_set_slave_addr( iop3xx_adap );
-	iop3xx_adap_enable( iop3xx_adap );
+	iop3xx_adap_reset(iop3xx_adap);
+	iop3xx_adap_set_slave_addr(iop3xx_adap);
+	iop3xx_adap_enable(iop3xx_adap);
 	
         return 0;
 }
 
-static int iop3xx_adap_send_target_slave_addr( 
-	struct i2c_algo_iop3xx_data *iop3xx_adap, struct i2c_msg* msg )
+static int iop3xx_adap_send_target_slave_addr(struct i2c_algo_iop3xx_data *iop3xx_adap,
+					      struct i2c_msg* msg)
 {
 	unsigned cr = *iop3xx_adap->biu->CR;
 	int status;
 	int rc;
 
-	*iop3xx_adap->biu->DBR = iic_cook_addr( msg );
+	*iop3xx_adap->biu->DBR = iic_cook_addr(msg);
 	
-	cr &= ~(IOP321_ICR_MSTOP|IOP321_ICR_NACK);
+	cr &= ~(IOP321_ICR_MSTOP | IOP321_ICR_NACK);
 	cr |= IOP321_ICR_MSTART | IOP321_ICR_TBYTE;
 
 	*iop3xx_adap->biu->CR = cr;
-	rc = iop3xx_adap_wait_tx_done( iop3xx_adap, &status );
-/* this assert fires every time, contrary to IOP manual	
-	PASSERT( (status&IOP321_ISR_UNITBUSY)!=0 );
-*/
-	PASSERT( (status&IOP321_ISR_RXREAD)==0 );
+	rc = iop3xx_adap_wait_tx_done(iop3xx_adap, &status);
+	/* this assert fires every time, contrary to IOP manual	
+	PASSERT((status&IOP321_ISR_UNITBUSY)!=0);
+	*/
+	PASSERT((status&IOP321_ISR_RXREAD)==0);
 	     
 	return rc;
 }
 
-static int iop3xx_adap_write_byte( 
-	struct i2c_algo_iop3xx_data *iop3xx_adap, char byte, int stop )
+static int iop3xx_adap_write_byte(struct i2c_algo_iop3xx_data *iop3xx_adap, char byte, int stop)
 {
 	unsigned cr = *iop3xx_adap->biu->CR;
 	int status;
@@ -297,19 +284,19 @@ static int iop3xx_adap_write_byte(
 
 	*iop3xx_adap->biu->DBR = byte;
 	cr &= ~IOP321_ICR_MSTART;
-	if ( stop ){
+	if (stop) {
 		cr |= IOP321_ICR_MSTOP;
-	}else{
+	} else {
 		cr &= ~IOP321_ICR_MSTOP;
 	}
 	*iop3xx_adap->biu->CR = cr |= IOP321_ICR_TBYTE;
-	rc = iop3xx_adap_wait_tx_done( iop3xx_adap, &status );
+	rc = iop3xx_adap_wait_tx_done(iop3xx_adap, &status);
 
 	return rc;
 } 
 
-static int iop3xx_adap_read_byte(
-	struct i2c_algo_iop3xx_data *iop3xx_adap, char* byte, int stop )
+static int iop3xx_adap_read_byte(struct i2c_algo_iop3xx_data *iop3xx_adap,
+				 char* byte, int stop)
 {
 	unsigned cr = *iop3xx_adap->biu->CR;
 	int status;
@@ -317,49 +304,46 @@ static int iop3xx_adap_read_byte(
 
 	cr &= ~IOP321_ICR_MSTART;
 
-	if ( stop ){
+	if (stop) {
 		cr |= IOP321_ICR_MSTOP|IOP321_ICR_NACK;
-	}else{
+	} else {
 		cr &= ~(IOP321_ICR_MSTOP|IOP321_ICR_NACK);
 	}
 	*iop3xx_adap->biu->CR = cr |= IOP321_ICR_TBYTE;
 
-	rc = iop3xx_adap_wait_rx_done( iop3xx_adap, &status );
+	rc = iop3xx_adap_wait_rx_done(iop3xx_adap, &status);
 
 	*byte = *iop3xx_adap->biu->DBR;
 
 	return rc;
 }
 
-
-static int iop3xx_i2c_writebytes( struct i2c_adapter *i2c_adap, 
-				  const char *buf, int count )
+static int iop3xx_i2c_writebytes(struct i2c_adapter *i2c_adap, 
+				 const char *buf, int count)
 {
 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;
 	int ii;
 	int rc = 0;
 
-	for ( ii = 0; rc == 0 && ii != count; ++ii ){
+	for (ii = 0; rc == 0 && ii != count; ++ii) {
 		rc = iop3xx_adap_write_byte(iop3xx_adap, buf[ii], ii==count-1);
 	}
 	return rc;
 }
 
-
-static int iop3xx_i2c_readbytes( struct i2c_adapter *i2c_adap, 
-				 char *buf, int count )
+static int iop3xx_i2c_readbytes(struct i2c_adapter *i2c_adap, 
+				char *buf, int count)
 {
 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;
 	int ii;
 	int rc = 0;
 
-	for ( ii = 0; rc == 0 && ii != count; ++ii ){
+	for (ii = 0; rc == 0 && ii != count; ++ii) {
 		rc = iop3xx_adap_read_byte(iop3xx_adap, &buf[ii], ii==count-1);
 	}
 	return rc;
 }
 
-
 /*
  * Description:  This function implements combined transactions.  Combined
  * transactions consist of combinations of reading and writing blocks of data.
@@ -367,63 +351,55 @@ static int iop3xx_i2c_readbytes( struct i2c_adapter *i2c_adap,
  * Each transfer (i.e. a read or a write) is separated by a repeated start
  * condition.
  */
-
-static int iop3xx_handle_msg(
-	struct i2c_adapter *i2c_adap, struct i2c_msg* pmsg ) 
+static int iop3xx_handle_msg(struct i2c_adapter *i2c_adap, struct i2c_msg* pmsg) 
 {
 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;
 	int rc;
 
-	rc = iop3xx_adap_send_target_slave_addr( iop3xx_adap, pmsg );
-	if ( rc < 0 ){
+	rc = iop3xx_adap_send_target_slave_addr(iop3xx_adap, pmsg);
+	if (rc < 0) {
 		return rc;
 	}
 
-	if ( (pmsg->flags&I2C_M_RD) ){
-		return iop3xx_i2c_readbytes( i2c_adap, pmsg->buf, pmsg->len );
-	}else{
-		return iop3xx_i2c_writebytes( i2c_adap, pmsg->buf, pmsg->len );
+	if ((pmsg->flags&I2C_M_RD)) {
+		return iop3xx_i2c_readbytes(i2c_adap, pmsg->buf, pmsg->len);
+	} else {
+		return iop3xx_i2c_writebytes(i2c_adap, pmsg->buf, pmsg->len);
 	}
 }
 
-
-
 /*
  * master_xfer() - main read/write entry
  */
-static int iop3xx_master_xfer(
-	struct i2c_adapter *i2c_adap, struct i2c_msg msgs[], int num )
+static int iop3xx_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs[], int num)
 {
 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;
 	int im = 0;
 	int ret = 0;
 	int status;
 
-	iop3xx_adap_wait_idle( iop3xx_adap, &status );
-	iop3xx_adap_reset( iop3xx_adap );
-	iop3xx_adap_enable( iop3xx_adap );
+	iop3xx_adap_wait_idle(iop3xx_adap, &status);
+	iop3xx_adap_reset(iop3xx_adap);
+	iop3xx_adap_enable(iop3xx_adap);
 
-	for ( im = 0; ret == 0 && im != num; ++im ){
-		ret = iop3xx_handle_msg( i2c_adap, &msgs[im] );
+	for (im = 0; ret == 0 && im != num; ++im) {
+		ret = iop3xx_handle_msg(i2c_adap, &msgs[im]);
 	}
 
-	iop3xx_adap_transaction_cleanup( iop3xx_adap );
+	iop3xx_adap_transaction_cleanup(iop3xx_adap);
 
 	return ret;   
 }
 
-
-
-static int algo_control(struct i2c_adapter *adapter, 
-	unsigned int cmd, unsigned long arg)
+static int algo_control(struct i2c_adapter *adapter, unsigned int cmd,
+			unsigned long arg)
 {
 	return 0;
 }
 
-
 static u32 iic_func(struct i2c_adapter *adap)
 {
-	return I2C_FUNC_I2C|I2C_FUNC_SMBUS_EMUL;
+	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
 
@@ -440,54 +416,50 @@ static struct i2c_algorithm iic_algo = {
 /* 
  * registering functions to load algorithms at runtime 
  */
-
-
 static int i2c_iop3xx_add_bus(struct i2c_adapter *iic_adap)
 {
 	struct i2c_algo_iop3xx_data *iop3xx_adap = iic_adap->algo_data;
 
-	if ( !request_region( REGION_START(iop3xx_adap), 
+	if (!request_region( REGION_START(iop3xx_adap), 
 			      REGION_LENGTH(iop3xx_adap),
-			      iic_adap->name ) ){
+			      iic_adap->name)) {
 		return -ENODEV;
 	}
 
-	init_waitqueue_head( &iop3xx_adap->waitq );
-	spin_lock_init( &iop3xx_adap->lock );
+	init_waitqueue_head(&iop3xx_adap->waitq);
+	spin_lock_init(&iop3xx_adap->lock);
 
-	if ( request_irq( 
+	if (request_irq( 
 		     iop3xx_adap->biu->irq,
 		     iop3xx_i2c_handler,
 		     /* SA_SAMPLE_RANDOM */ 0,
 		     iic_adap->name,
-		     iop3xx_adap )          ){
+		     iop3xx_adap)) {
 		return -ENODEV;
 	}			  
 
-/* register new iic_adapter to i2c module... */
-
+	/* register new iic_adapter to i2c module... */
 	iic_adap->id |= iic_algo.id;
 	iic_adap->algo = &iic_algo;
 
 	iic_adap->timeout = 100;	/* default values, should */
 	iic_adap->retries = 3;		/* be replaced by defines */
 
-	iop3xx_adap_init( iic_adap->algo_data );
+	iop3xx_adap_init(iic_adap->algo_data);
 	i2c_add_adapter(iic_adap);
 	return 0;
 }
 
-
 static int i2c_iop3xx_del_bus(struct i2c_adapter *iic_adap)
 {
 	struct i2c_algo_iop3xx_data *iop3xx_adap = iic_adap->algo_data;
 
-	iop3xx_adap_final_cleanup( iop3xx_adap );
-	free_irq( iop3xx_adap->biu->irq, iop3xx_adap );
+	iop3xx_adap_final_cleanup(iop3xx_adap);
+	free_irq(iop3xx_adap->biu->irq, iop3xx_adap);
 
-	release_region( REGION_START(iop3xx_adap), REGION_LENGTH(iop3xx_adap));
+	release_region(REGION_START(iop3xx_adap), REGION_LENGTH(iop3xx_adap));
 
-	return i2c_del_adapter( iic_adap );
+	return i2c_del_adapter(iic_adap);
 }
 
 #ifdef CONFIG_ARCH_IOP321
@@ -498,7 +470,7 @@ static struct iop3xx_biu biu0 = {
 	.SAR	= IOP321_ISAR0,
 	.DBR	= IOP321_IDBR0,
 	.BMR	= IOP321_IBMR0,
-	.irq    = IRQ_IOP321_I2C_0
+	.irq	= IRQ_IOP321_I2C_0,
 };
 
 static struct iop3xx_biu biu1 = {
@@ -507,7 +479,7 @@ static struct iop3xx_biu biu1 = {
 	.SAR	= IOP321_ISAR1,
 	.DBR	= IOP321_IDBR1,
 	.BMR	= IOP321_IBMR1,
-	.irq    = IRQ_IOP321_I2C_1
+	.irq	= IRQ_IOP321_I2C_1,
 };
 
 #define ADAPTER_NAME_ROOT "IOP321 i2c biu adapter "
@@ -518,25 +490,25 @@ static struct iop3xx_biu biu1 = {
 static struct i2c_algo_iop3xx_data algo_iop3xx_data0 = {
 	.channel		= 0,
 	.biu			= &biu0,
-	.timeout                = 1*HZ
+	.timeout		= 1*HZ,
 };
 static struct i2c_algo_iop3xx_data algo_iop3xx_data1 = {
 	.channel		= 1,
 	.biu			= &biu1,
-	.timeout                = 1*HZ
+	.timeout		= 1*HZ,
 };
 
 static struct i2c_adapter iop3xx_ops0 = {
 	.owner			= THIS_MODULE,
 	.name			= ADAPTER_NAME_ROOT "0",
 	.id			= I2C_HW_IOP321,
-	.algo_data		= &algo_iop3xx_data0
+	.algo_data		= &algo_iop3xx_data0,
 };
 static struct i2c_adapter iop3xx_ops1 = {
 	.owner			= THIS_MODULE,
 	.name			= ADAPTER_NAME_ROOT "1",
 	.id			= I2C_HW_IOP321,
-	.algo_data		= &algo_iop3xx_data1
+	.algo_data		= &algo_iop3xx_data1,
 };
 
 static int __init i2c_iop3xx_init (void)
@@ -560,6 +532,5 @@ MODULE_LICENSE("GPL");
 
 MODULE_PARM(i2c_debug,"i");
 
-MODULE_PARM_DESC(i2c_debug,
-        "debug level - 0 off; 1 normal; 2,3 more verbose; 9 iic-protocol");
+MODULE_PARM_DESC(i2c_debug, "debug level - 0 off; 1 normal; 2,3 more verbose; 9 iic-protocol");
 

drivers/i2c/i2c-iop3xx.h

@@ -87,15 +87,13 @@
 #define I2C_ERR_ALD		(I2C_ERR+1)
 
 
-typedef volatile u32* r32;
-
 struct iop3xx_biu {                /* Bus Interface Unit - the hardware */
 /* physical hardware defs - regs*/
-	r32 CR;
-	r32 SR;
-	r32 SAR;
-	r32 DBR;
-	r32 BMR;
+	u32 *CR;
+	u32 *SR;
+	u32 *SAR;
+	u32 *DBR;
+	u32 *BMR;
 /* irq bit vector */
 	u32 irq;
 /* stored flags */
@@ -111,10 +109,10 @@ struct i2c_algo_iop3xx_data {
 	struct iop3xx_biu* biu;
 };
 
-#define REGION_START( adap )  ((u32)((adap)->biu->CR))
-#define REGION_END( adap )    ((u32)((adap)->biu->BMR+1))
-#define REGION_LENGTH( adap ) (REGION_END(adap)-REGION_START(adap))
+#define REGION_START(adap)	((u32)((adap)->biu->CR))
+#define REGION_END(adap)	((u32)((adap)->biu->BMR+1))
+#define REGION_LENGTH(adap)	(REGION_END(adap)-REGION_START(adap))
 
-#define IRQ_STATUS_MASK( adap ) (1<<adap->biu->irq)
+#define IRQ_STATUS_MASK(adap)	(1<<adap->biu->irq)
 
 #endif /* I2C_IOP3XX_H */