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

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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21
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); rc = pmac_i2c_xfer(bus, addrdir, subsize, subaddr, buf, len);
if (rc) { if (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, dev_err(&adap->dev,
"I2C transfer at 0x%02x failed, size %d, err %d\n", "I2C transfer at 0x%02x failed, size %d, "
addrdir >> 1, size, rc); "err %d\n", addrdir >> 1, size, rc);
goto bail; goto bail;
} }
@ -175,10 +180,16 @@ static int i2c_powermac_master_xfer( struct i2c_adapter *adap,
goto bail; goto bail;
} }
rc = pmac_i2c_xfer(bus, addrdir, 0, 0, msgs->buf, msgs->len); rc = pmac_i2c_xfer(bus, addrdir, 0, 0, msgs->buf, msgs->len);
if (rc < 0) 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", dev_err(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
addrdir & 1 ? "read from" : "write to", addrdir >> 1, addrdir & 1 ? "read from" : "write to",
rc); addrdir >> 1, rc);
}
bail: bail:
pmac_i2c_close(bus); pmac_i2c_close(bus);
return rc < 0 ? rc : 1; return rc < 0 ? rc : 1;