2004-09-01 23:21:50

by maximilian attems

[permalink] [raw]
Subject: [patch 03/14]







On Tue, Jul 27, 2004 at 09:10:52AM -0700, Nishanth Aravamudan wrote:

<snip>

> Here is this patch:
>
>
>
> Description: Uses msleep() instead of my_wait() to guarantee the time
> delay. Removes definition of my_wait().
>
> Signed-off-by: Nishanth Aravamudan <[email protected]>
Signed-off-by: Maximilian Attems <[email protected]>

Sorry, this previous patch will not compile due to a typo. Find the
correct version below, thanks.



---

linux-2.6.9-rc1-bk7-max/drivers/media/common/saa7146_i2c.c | 21 ++++---------
1 files changed, 7 insertions(+), 14 deletions(-)

diff -puN drivers/media/common/saa7146_i2c.c~msleep-drivers_media_common_saa7146_i2c drivers/media/common/saa7146_i2c.c
--- linux-2.6.9-rc1-bk7/drivers/media/common/saa7146_i2c.c~msleep-drivers_media_common_saa7146_i2c 2004-09-01 19:34:56.000000000 +0200
+++ linux-2.6.9-rc1-bk7-max/drivers/media/common/saa7146_i2c.c 2004-09-01 19:34:56.000000000 +0200
@@ -1,13 +1,6 @@
#include <linux/version.h>
#include <media/saa7146_vv.h>

-/* helper function */
-static void my_wait(struct saa7146_dev *dev, long ms)
-{
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout((((ms+10)/10)*HZ)/1000);
-}
-
u32 saa7146_i2c_func(struct i2c_adapter *adapter)
{
//fm DEB_I2C(("'%s'.\n", adapter->name));
@@ -136,12 +129,12 @@ static int saa7146_i2c_reset(struct saa7
/* set "ABORT-OPERATION"-bit (bit 7)*/
saa7146_write(dev, I2C_STATUS, (dev->i2c_bitrate | MASK_07));
saa7146_write(dev, MC2, (MASK_00 | MASK_16));
- my_wait(dev,SAA7146_I2C_DELAY);
+ msleep(SAA7146_I2C_DELAY);

/* clear all error-bits pending; this is needed because p.123, note 1 */
saa7146_write(dev, I2C_STATUS, dev->i2c_bitrate);
saa7146_write(dev, MC2, (MASK_00 | MASK_16));
- my_wait(dev,SAA7146_I2C_DELAY);
+ msleep(SAA7146_I2C_DELAY);
}

/* check if any error is (still) present. (this can be necessary because p.123, note 1) */
@@ -155,18 +148,18 @@ static int saa7146_i2c_reset(struct saa7
after serious protocol errors caused by e.g. the SAA7740 */
saa7146_write(dev, I2C_STATUS, (dev->i2c_bitrate | MASK_07));
saa7146_write(dev, MC2, (MASK_00 | MASK_16));
- my_wait(dev,SAA7146_I2C_DELAY);
+ msleep(SAA7146_I2C_DELAY);

/* clear all error-bits pending */
saa7146_write(dev, I2C_STATUS, dev->i2c_bitrate);
saa7146_write(dev, MC2, (MASK_00 | MASK_16));
- my_wait(dev,SAA7146_I2C_DELAY);
+ msleep(SAA7146_I2C_DELAY);

/* the data sheet says it might be necessary to clear the status
twice after an abort */
saa7146_write(dev, I2C_STATUS, dev->i2c_bitrate);
saa7146_write(dev, MC2, (MASK_00 | MASK_16));
- my_wait(dev,SAA7146_I2C_DELAY);
+ msleep(SAA7146_I2C_DELAY);
}

/* if any error is still present, a fatal error has occured ... */
@@ -243,7 +236,7 @@ static int saa7146_i2c_writeout(struct s
if ((++trial < 20) && short_delay)
udelay(10);
else
- my_wait(dev,1);
+ msleep(1);
}
}

@@ -345,7 +338,7 @@ int saa7146_i2c_transfer(struct saa7146_
}

/* delay a bit before retrying */
- my_wait(dev, 10);
+ msleep(10);

} while (err != num && retries--);


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