forked from luck/tmp_suning_uos_patched
i2c: Fix probability check
The new unified probing function differs from the original code, and the preliminary test whether probing is possible must be updated accordingly. Signed-off-by: Jean Delvare <khali@linux-fr.org>
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e467e104bb
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827900c556
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@ -1428,13 +1428,12 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver)
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if (!(adapter->class & driver->class))
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goto exit_free;
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/* Stop here if we can't use SMBUS_QUICK */
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if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_QUICK)) {
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/* Stop here if the bus doesn't support probing */
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if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_BYTE)) {
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if (address_list[0] == I2C_CLIENT_END)
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goto exit_free;
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dev_warn(&adapter->dev, "SMBus Quick command not supported, "
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"can't probe for chips\n");
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dev_warn(&adapter->dev, "Probing not supported\n");
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err = -EOPNOTSUPP;
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goto exit_free;
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}
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