diff options
| author | Jean Delvare <khali@linux-fr.org> | 2005-03-30 22:07:05 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-03-30 22:07:05 -0800 |
| commit | e6f6019ad2a158520072f411f74599952147b8ec (patch) | |
| tree | 8de0fec3d6d8aaf2b8676410ee69e6dc66f565db | |
| parent | 08b49e0edf37d950c32329978d1c6f30021164ea (diff) | |
| download | history-e6f6019ad2a158520072f411f74599952147b8ec.tar.gz | |
[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 <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/i2c/i2c-core.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 56a67457341d4d..474ddb6fe25235 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -587,7 +587,13 @@ int i2c_transfer(struct i2c_adapter * adap, struct i2c_msg *msgs, int num) 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); |