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i2c: Improve logging on failure to probe for ->class devices 

While writing the i2c-imc driver, I noticed that the warning message
when the i2c core can't figure out how to probe is mostly useless.
This trivial patch improves it.

Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Andy Lutomirski 2013-07-17 13:27:59 -07:00 committed by Wolfram Sang
parent d654b5489e
commit d63a9e851c
1 changed files with 2 additions and 1 deletions
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3
drivers/i2c/i2c-core.c
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@ -1665,7 +1665,8 @@ static int i2c_default_probe(struct i2c_adapter *adap, unsigned short addr)
err = i2c_smbus_xfer(adap, addr, 0, I2C_SMBUS_READ, 0, err = i2c_smbus_xfer(adap, addr, 0, I2C_SMBUS_READ, 0,
I2C_SMBUS_BYTE, &dummy); I2C_SMBUS_BYTE, &dummy);
else { else {
dev_warn(&adap->dev, "No suitable probing method supported\n"); dev_warn(&adap->dev, "No suitable probing method supported for address 0x%02X\n",
addr);
err = -EOPNOTSUPP; err = -EOPNOTSUPP;
} }