ChangeSet 1.2328, 2005/03/31 14:07:05-08:00, [EMAIL PROTECTED] [PATCH] I2C: Make master_xfer debug messages more useful
While working on the recent saa7110 mess, I found that the debug message displayed when calling master_xfer wasn't as useful as it could be. Here is a patch improving this. Signed-off-by: Jean Delvare <[EMAIL PROTECTED]> Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]> drivers/i2c/i2c-core.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletion(-) diff -Nru a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c --- a/drivers/i2c/i2c-core.c 2005-03-31 15:18:36 -08:00 +++ b/drivers/i2c/i2c-core.c 2005-03-31 15:18:36 -08:00 @@ -587,7 +587,13 @@ int ret; if (adap->algo->master_xfer) { - dev_dbg(&adap->dev, "master_xfer: with %d msgs.\n", num); +#ifdef DEBUG + for (ret = 0; ret < num; ret++) { + dev_dbg(&adap->dev, "master_xfer[%d] %c, addr=0x%02x, " + "len=%d\n", ret, msgs[ret].flags & I2C_M_RD ? + 'R' : 'W', msgs[ret].addr, msgs[ret].len); + } +#endif down(&adap->bus_lock); ret = adap->algo->master_xfer(adap,msgs,num); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/