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Viresh Kumar authored
Commands like SMBUS Quick don't require a buffer for the request and are called as zero-length requests. The specification allows such requests under the VIRTIO_I2C_F_ZERO_LENGTH_REQUEST feature, which is mandatory to be implemented by the devices now. Add support for zero-length requests. Signed-off-by:
Viresh Kumar <viresh.kumar@linaro.org>
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