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i2c-powermac: Be less verbose in the absence of real errors.

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Be less verbose in the absence of real errors. We don't have to report
failed probes to the users, it's only confusing them.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Andrey Gusev <ronne@list.ru>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: stable@kernel.org
This commit is contained in:
Jean Delvare 2010-03-13 20:56:52 +01:00
parent f635a1e74b
commit 8e4b980c28
1 changed files with 18 additions and 7 deletions
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25
drivers/i2c/busses/i2c-powermac.c
View file

@ -122,9 +122,14 @@ static s32 i2c_powermac_smbus_xfer( struct i2c_adapter* adap,
rc = pmac_i2c_xfer(bus, addrdir, subsize, subaddr, buf, len);
if (rc) {
dev_err(&adap->dev,
"I2C transfer at 0x%02x failed, size %d, err %d\n",
addrdir >> 1, size, rc);
if (rc == -ENXIO)
dev_dbg(&adap->dev,
"I2C transfer at 0x%02x failed, size %d, "
"err %d\n", addrdir >> 1, size, rc);
else
dev_err(&adap->dev,
"I2C transfer at 0x%02x failed, size %d, "
"err %d\n", addrdir >> 1, size, rc);
goto bail;
}
@ -175,10 +180,16 @@ static int i2c_powermac_master_xfer( struct i2c_adapter *adap,
goto bail;
}
rc = pmac_i2c_xfer(bus, addrdir, 0, 0, msgs->buf, msgs->len);
if (rc < 0)
dev_err(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
addrdir & 1 ? "read from" : "write to", addrdir >> 1,
rc);
if (rc < 0) {
if (rc == -ENXIO)
dev_dbg(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
addrdir & 1 ? "read from" : "write to",
addrdir >> 1, rc);
else
dev_err(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
addrdir & 1 ? "read from" : "write to",
addrdir >> 1, rc);
}
bail:
pmac_i2c_close(bus);
return rc < 0 ? rc : 1;