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SubjectRe: [PATCH 1/3] i2c: qcom-geni: Use the correct return value

> - return num;
> + return ret;

Not quite. Kdoc describes the retval in i2c_transfer.

2136 * i2c_transfer - execute a single or combined I2C message
2137 * @adap: Handle to I2C bus
2138 * @msgs: One or more messages to execute before STOP is issued to
2139 * terminate the operation; each message begins with a START.
2140 * @num: Number of messages to be executed.
2141 *
2142 * Returns negative errno, else the number of messages executed.

I agree this needs better documentation in i2c.h, I will fix it.

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