[PATCH 13/15] i2c: iop3xx: clean-up trailing whitespace

[PATCH 13/15] i2c: iop3xx: clean-up trailing whitespace

[Rob Herring]

From: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>

Remove a bunch of trailing whitespace. No functional changes.

Signed-off-by: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
Cc: "Jean Delvare (PC drivers, core)" <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>
Cc: "Ben Dooks (embedded platforms)" <ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>
Cc: "Wolfram Sang (embedded platforms)" <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
---
 drivers/i2c/busses/i2c-iop3xx.c |  112 +++++++++++++++++++--------------------
 1 file changed, 56 insertions(+), 56 deletions(-)

diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c
index 93f147a..567d873 100644
--- a/drivers/i2c/busses/i2c-iop3xx.c
+++ b/drivers/i2c/busses/i2c-iop3xx.c
@@ -4,13 +4,13 @@
 /* Copyright (C) 2003 Peter Milne, D-TACQ Solutions Ltd
  *                    <Peter dot Milne at D hyphen TACQ dot com>
  *
- * With acknowledgements to i2c-algo-ibm_ocp.c by 
+ * With acknowledgements to i2c-algo-ibm_ocp.c by
  * Ian DaSilva, MontaVista Software, Inc. idasilva-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org
  *
  * And i2c-algo-pcf.c, which was created by Simon G. Vogl and Hans Berglund:
  *
  * Copyright (C) 1995-1997 Simon G. Vogl, 1998-2000 Hans Berglund
- *  
+ *
  * And which acknowledged Kyösti Mälkki <kmalkki-kf+aQKke1yb1KXRcyAk9cg@public.gmane.org>,
  * Frodo Looijaard <frodol-B0qZmFHriGg@public.gmane.org>, Martin Bailey<mbailey@littlefeet-inc.com>
  *
@@ -45,8 +45,8 @@
 /* global unit counter */
 static int i2c_id;
 
-static inline unsigned char 
-iic_cook_addr(struct i2c_msg *msg) 
+static inline unsigned char
+iic_cook_addr(struct i2c_msg *msg)
 {
 	unsigned char addr;
 
@@ -55,24 +55,24 @@ iic_cook_addr(struct i2c_msg *msg)
 	if (msg->flags & I2C_M_RD)
 		addr |= 1;
 
-	return addr;   
+	return addr;
 }
 
-static void 
+static void
 iop3xx_i2c_reset(struct i2c_algo_iop3xx_data *iop3xx_adap)
 {
 	/* Follows devman 9.3 */
 	__raw_writel(IOP3XX_ICR_UNIT_RESET, iop3xx_adap->ioaddr + CR_OFFSET);
 	__raw_writel(IOP3XX_ISR_CLEARBITS, iop3xx_adap->ioaddr + SR_OFFSET);
 	__raw_writel(0, iop3xx_adap->ioaddr + CR_OFFSET);
-} 
+}
 
-static void 
+static void
 iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)
 {
 	u32 cr = IOP3XX_ICR_GCD | IOP3XX_ICR_SCLEN | IOP3XX_ICR_UE;
 
-	/* 
+	/*
 	 * Every time unit enable is asserted, GPOD needs to be cleared
 	 * on IOP3XX to avoid data corruption on the bus.
 	 */
@@ -86,7 +86,7 @@ iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)
 	}
 #endif
 	/* NB SR bits not same position as CR IE bits :-( */
-	iop3xx_adap->SR_enabled = 
+	iop3xx_adap->SR_enabled =
 		IOP3XX_ISR_ALD | IOP3XX_ISR_BERRD |
 		IOP3XX_ISR_RXFULL | IOP3XX_ISR_TXEMPTY;
 
@@ -96,23 +96,23 @@ iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)
 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);
 }
 
-static void 
+static void
 iop3xx_i2c_transaction_cleanup(struct i2c_algo_iop3xx_data *iop3xx_adap)
 {
 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);
-	
-	cr &= ~(IOP3XX_ICR_MSTART | IOP3XX_ICR_TBYTE | 
+
+	cr &= ~(IOP3XX_ICR_MSTART | IOP3XX_ICR_TBYTE |
 		IOP3XX_ICR_MSTOP | IOP3XX_ICR_SCLEN);
 
 	__raw_writel(cr, iop3xx_adap->ioaddr + CR_OFFSET);
 }
 
-/* 
- * NB: the handler has to clear the source of the interrupt! 
+/*
+ * 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 irqreturn_t 
-iop3xx_i2c_irq_handler(int this_irq, void *dev_id) 
+static irqreturn_t
+iop3xx_i2c_irq_handler(int this_irq, void *dev_id)
 {
 	struct i2c_algo_iop3xx_data *iop3xx_adap = dev_id;
 	u32 sr = __raw_readl(iop3xx_adap->ioaddr + SR_OFFSET);
@@ -126,7 +126,7 @@ iop3xx_i2c_irq_handler(int this_irq, void *dev_id)
 }
 
 /* check all error conditions, clear them , report most important */
-static int 
+static int
 iop3xx_i2c_error(u32 sr)
 {
 	int rc = 0;
@@ -135,12 +135,12 @@ iop3xx_i2c_error(u32 sr)
 		if ( !rc ) rc = -I2C_ERR_BERR;
 	}
 	if ((sr & IOP3XX_ISR_ALD)) {
-		if ( !rc ) rc = -I2C_ERR_ALD;		
+		if ( !rc ) rc = -I2C_ERR_ALD;
 	}
-	return rc;	
+	return rc;
 }
 
-static inline u32 
+static inline u32
 iop3xx_i2c_get_srstat(struct i2c_algo_iop3xx_data *iop3xx_adap)
 {
 	unsigned long flags;
@@ -161,8 +161,8 @@ iop3xx_i2c_get_srstat(struct i2c_algo_iop3xx_data *iop3xx_adap)
 typedef int (* compare_func)(unsigned test, unsigned mask);
 /* returns 1 on correct comparison */
 
-static int 
-iop3xx_i2c_wait_event(struct i2c_algo_iop3xx_data *iop3xx_adap, 
+static int
+iop3xx_i2c_wait_event(struct i2c_algo_iop3xx_data *iop3xx_adap,
 			  unsigned flags, unsigned* status,
 			  compare_func compare)
 {
@@ -192,47 +192,47 @@ iop3xx_i2c_wait_event(struct i2c_algo_iop3xx_data *iop3xx_adap,
 }
 
 /*
- * Concrete compare_funcs 
+ * Concrete compare_funcs
  */
-static int 
+static int
 all_bits_clear(unsigned test, unsigned mask)
 {
 	return (test & mask) == 0;
 }
 
-static int 
+static int
 any_bits_set(unsigned test, unsigned mask)
 {
 	return (test & mask) != 0;
 }
 
-static int 
+static int
 iop3xx_i2c_wait_tx_done(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)
 {
-	return iop3xx_i2c_wait_event( 
-		iop3xx_adap, 
+	return iop3xx_i2c_wait_event(
+		iop3xx_adap,
 	        IOP3XX_ISR_TXEMPTY | IOP3XX_ISR_ALD | IOP3XX_ISR_BERRD,
 		status, any_bits_set);
 }
 
-static int 
+static int
 iop3xx_i2c_wait_rx_done(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)
 {
-	return iop3xx_i2c_wait_event( 
-		iop3xx_adap, 
+	return iop3xx_i2c_wait_event(
+		iop3xx_adap,
 		IOP3XX_ISR_RXFULL | IOP3XX_ISR_ALD | IOP3XX_ISR_BERRD,
 		status,	any_bits_set);
 }
 
-static int 
+static int
 iop3xx_i2c_wait_idle(struct i2c_algo_iop3xx_data *iop3xx_adap, int *status)
 {
-	return iop3xx_i2c_wait_event( 
+	return iop3xx_i2c_wait_event(
 		iop3xx_adap, IOP3XX_ISR_UNITBUSY, status, all_bits_clear);
 }
 
-static int 
-iop3xx_i2c_send_target_addr(struct i2c_algo_iop3xx_data *iop3xx_adap, 
+static int
+iop3xx_i2c_send_target_addr(struct i2c_algo_iop3xx_data *iop3xx_adap,
 				struct i2c_msg* msg)
 {
 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);
@@ -247,7 +247,7 @@ iop3xx_i2c_send_target_addr(struct i2c_algo_iop3xx_data *iop3xx_adap,
 	}
 
 	__raw_writel(iic_cook_addr(msg), iop3xx_adap->ioaddr + DBR_OFFSET);
-	
+
 	cr &= ~(IOP3XX_ICR_MSTOP | IOP3XX_ICR_NACK);
 	cr |= IOP3XX_ICR_MSTART | IOP3XX_ICR_TBYTE;
 
@@ -257,8 +257,8 @@ iop3xx_i2c_send_target_addr(struct i2c_algo_iop3xx_data *iop3xx_adap,
 	return rc;
 }
 
-static int 
-iop3xx_i2c_write_byte(struct i2c_algo_iop3xx_data *iop3xx_adap, char byte, 
+static int
+iop3xx_i2c_write_byte(struct i2c_algo_iop3xx_data *iop3xx_adap, char byte,
 				int stop)
 {
 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);
@@ -277,10 +277,10 @@ iop3xx_i2c_write_byte(struct i2c_algo_iop3xx_data *iop3xx_adap, char byte,
 	rc = iop3xx_i2c_wait_tx_done(iop3xx_adap, &status);
 
 	return rc;
-} 
+}
 
-static int 
-iop3xx_i2c_read_byte(struct i2c_algo_iop3xx_data *iop3xx_adap, char* byte, 
+static int
+iop3xx_i2c_read_byte(struct i2c_algo_iop3xx_data *iop3xx_adap, char* byte,
 				int stop)
 {
 	unsigned long cr = __raw_readl(iop3xx_adap->ioaddr + CR_OFFSET);
@@ -304,19 +304,19 @@ iop3xx_i2c_read_byte(struct i2c_algo_iop3xx_data *iop3xx_adap, char* byte,
 	return rc;
 }
 
-static int 
+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_i2c_write_byte(iop3xx_adap, buf[ii], ii==count-1);
 	return rc;
 }
 
-static int 
+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;
@@ -325,7 +325,7 @@ iop3xx_i2c_readbytes(struct i2c_adapter *i2c_adap, char *buf, int count)
 
 	for (ii = 0; rc == 0 && ii != count; ++ii)
 		rc = iop3xx_i2c_read_byte(iop3xx_adap, &buf[ii], ii==count-1);
-	
+
 	return rc;
 }
 
@@ -336,8 +336,8 @@ iop3xx_i2c_readbytes(struct i2c_adapter *i2c_adap, char *buf, int count)
  * Each transfer (i.e. a read or a write) is separated by a repeated start
  * condition.
  */
-static int 
-iop3xx_i2c_handle_msg(struct i2c_adapter *i2c_adap, struct i2c_msg* pmsg) 
+static int
+iop3xx_i2c_handle_msg(struct i2c_adapter *i2c_adap, struct i2c_msg* pmsg)
 {
 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;
 	int rc;
@@ -357,8 +357,8 @@ iop3xx_i2c_handle_msg(struct i2c_adapter *i2c_adap, struct i2c_msg* pmsg)
 /*
  * master_xfer() - main read/write entry
  */
-static int 
-iop3xx_i2c_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, 
+static int
+iop3xx_i2c_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs,
 				int num)
 {
 	struct i2c_algo_iop3xx_data *iop3xx_adap = i2c_adap->algo_data;
@@ -375,14 +375,14 @@ iop3xx_i2c_master_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs,
 	}
 
 	iop3xx_i2c_transaction_cleanup(iop3xx_adap);
-	
+
 	if(ret)
 		return ret;
 
-	return im;   
+	return im;
 }
 
-static u32 
+static u32
 iop3xx_i2c_func(struct i2c_adapter *adap)
 {
 	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
@@ -393,11 +393,11 @@ static const struct i2c_algorithm iop3xx_i2c_algo = {
 	.functionality	= iop3xx_i2c_func,
 };
 
-static int 
+static int
 iop3xx_i2c_remove(struct platform_device *pdev)
 {
 	struct i2c_adapter *padapter = platform_get_drvdata(pdev);
-	struct i2c_algo_iop3xx_data *adapter_data = 
+	struct i2c_algo_iop3xx_data *adapter_data =
 		(struct i2c_algo_iop3xx_data *)padapter->algo_data;
 	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	unsigned long cr = __raw_readl(adapter_data->ioaddr + CR_OFFSET);
@@ -419,7 +419,7 @@ iop3xx_i2c_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static int 
+static int
 iop3xx_i2c_probe(struct platform_device *pdev)
 {
 	struct resource *res;
-- 
1.7.9.5

[PATCH 14/15] i2c: iop3xx: use standard gpiolib functions

[Rob Herring]

From: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>

Instead of using the custom iop3xx gpio functions, use the gpiolib
variants. This should be functionally the same since the gpiolib
just calls the iop3xx gpio functions. This is needed in preparation
of removing iop3xx mach/io.h headers.

Signed-off-by: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
Cc: "Jean Delvare (PC drivers, core)" <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>
Cc: "Ben Dooks (embedded platforms)" <ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>
Cc: "Wolfram Sang (embedded platforms)" <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
---
 drivers/i2c/busses/i2c-iop3xx.c |    9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c
index 567d873..2f99613 100644
--- a/drivers/i2c/busses/i2c-iop3xx.c
+++ b/drivers/i2c/busses/i2c-iop3xx.c
@@ -39,6 +39,7 @@
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
 #include <linux/io.h>
+#include <linux/gpio.h>
 
 #include "i2c-iop3xx.h"
 
@@ -78,11 +79,11 @@ iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)
 	 */
 #if defined(CONFIG_ARCH_IOP32X) || defined(CONFIG_ARCH_IOP33X)
 	if (iop3xx_adap->id == 0) {
-		gpio_line_set(IOP3XX_GPIO_LINE(7), GPIO_LOW);
-		gpio_line_set(IOP3XX_GPIO_LINE(6), GPIO_LOW);
+		gpio_set_value(7, 0);
+		gpio_set_value(6, 0);
 	} else {
-		gpio_line_set(IOP3XX_GPIO_LINE(5), GPIO_LOW);
-		gpio_line_set(IOP3XX_GPIO_LINE(4), GPIO_LOW);
+		gpio_set_value(5, 0);
+		gpio_set_value(4, 0);
 	}
 #endif
 	/* NB SR bits not same position as CR IE bits :-( */
-- 
1.7.9.5

Re: [PATCH 14/15] i2c: iop3xx: use standard gpiolib functions

[Wolfram Sang]

[-- Attachment #1: Type: text/plain, Size: 2300 bytes --]

On Fri, Jul 06, 2012 at 01:40:39PM -0500, Rob Herring wrote:
> From: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
> 
> Instead of using the custom iop3xx gpio functions, use the gpiolib
> variants. This should be functionally the same since the gpiolib
> just calls the iop3xx gpio functions. This is needed in preparation
> of removing iop3xx mach/io.h headers.
> 
> Signed-off-by: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
> Cc: "Jean Delvare (PC drivers, core)" <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>
> Cc: "Ben Dooks (embedded platforms)" <ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>
> Cc: "Wolfram Sang (embedded platforms)" <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
> Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org

Is this dependent on another patch from this series? Or can this go
via the I2C tree? I am fine with just acking this one, but the
whitespace removal should better go via I2C I think.

Thanks,

   Wolfram

> ---
>  drivers/i2c/busses/i2c-iop3xx.c |    9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c
> index 567d873..2f99613 100644
> --- a/drivers/i2c/busses/i2c-iop3xx.c
> +++ b/drivers/i2c/busses/i2c-iop3xx.c
> @@ -39,6 +39,7 @@
>  #include <linux/platform_device.h>
>  #include <linux/i2c.h>
>  #include <linux/io.h>
> +#include <linux/gpio.h>
>  
>  #include "i2c-iop3xx.h"
>  
> @@ -78,11 +79,11 @@ iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)
>  	 */
>  #if defined(CONFIG_ARCH_IOP32X) || defined(CONFIG_ARCH_IOP33X)
>  	if (iop3xx_adap->id == 0) {
> -		gpio_line_set(IOP3XX_GPIO_LINE(7), GPIO_LOW);
> -		gpio_line_set(IOP3XX_GPIO_LINE(6), GPIO_LOW);
> +		gpio_set_value(7, 0);
> +		gpio_set_value(6, 0);
>  	} else {
> -		gpio_line_set(IOP3XX_GPIO_LINE(5), GPIO_LOW);
> -		gpio_line_set(IOP3XX_GPIO_LINE(4), GPIO_LOW);
> +		gpio_set_value(5, 0);
> +		gpio_set_value(4, 0);
>  	}
>  #endif
>  	/* NB SR bits not same position as CR IE bits :-( */
> -- 
> 1.7.9.5
> 

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

[-- Attachment #2: Digital signature --]
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Re: [PATCH 14/15] i2c: iop3xx: use standard gpiolib functions

[Rob Herring]

On 07/08/2012 06:29 AM, Wolfram Sang wrote:
> On Fri, Jul 06, 2012 at 01:40:39PM -0500, Rob Herring wrote:
>> From: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
>>
>> Instead of using the custom iop3xx gpio functions, use the gpiolib
>> variants. This should be functionally the same since the gpiolib
>> just calls the iop3xx gpio functions. This is needed in preparation
>> of removing iop3xx mach/io.h headers.
>>
>> Signed-off-by: Rob Herring <rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
>> Cc: "Jean Delvare (PC drivers, core)" <khali-PUYAD+kWke1g9hUCZPvPmw@public.gmane.org>
>> Cc: "Ben Dooks (embedded platforms)" <ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>
>> Cc: "Wolfram Sang (embedded platforms)" <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
>> Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> 
> Is this dependent on another patch from this series? Or can this go
> via the I2C tree? I am fine with just acking this one, but the
> whitespace removal should better go via I2C I think.

They can go in via i2c tree. The rest probably won't make 3.6.

Rob

> 
> Thanks,
> 
>    Wolfram
> 
>> ---
>>  drivers/i2c/busses/i2c-iop3xx.c |    9 +++++----
>>  1 file changed, 5 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c
>> index 567d873..2f99613 100644
>> --- a/drivers/i2c/busses/i2c-iop3xx.c
>> +++ b/drivers/i2c/busses/i2c-iop3xx.c
>> @@ -39,6 +39,7 @@
>>  #include <linux/platform_device.h>
>>  #include <linux/i2c.h>
>>  #include <linux/io.h>
>> +#include <linux/gpio.h>
>>  
>>  #include "i2c-iop3xx.h"
>>  
>> @@ -78,11 +79,11 @@ iop3xx_i2c_enable(struct i2c_algo_iop3xx_data *iop3xx_adap)
>>  	 */
>>  #if defined(CONFIG_ARCH_IOP32X) || defined(CONFIG_ARCH_IOP33X)
>>  	if (iop3xx_adap->id == 0) {
>> -		gpio_line_set(IOP3XX_GPIO_LINE(7), GPIO_LOW);
>> -		gpio_line_set(IOP3XX_GPIO_LINE(6), GPIO_LOW);
>> +		gpio_set_value(7, 0);
>> +		gpio_set_value(6, 0);
>>  	} else {
>> -		gpio_line_set(IOP3XX_GPIO_LINE(5), GPIO_LOW);
>> -		gpio_line_set(IOP3XX_GPIO_LINE(4), GPIO_LOW);
>> +		gpio_set_value(5, 0);
>> +		gpio_set_value(4, 0);
>>  	}
>>  #endif
>>  	/* NB SR bits not same position as CR IE bits :-( */
>> -- 
>> 1.7.9.5
>>
>