ChangeSet 1.2328, 2005/03/31 14:07:05-08:00, khali at linux-fr.org
[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 at linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
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);
