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Baolin Wang authored
The 'enable' clock of I2C master is required, we should return an error if failed to get the 'enable' clock, to make sure the I2C driver can be defer probe if the clock resource is not ready. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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