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059fce9f61
The twsi_stop function contains a parameter "status," which is used to pass in the current exit status of the function calling twsi_stop, and either return this status unchanged if it indicates an error, or return twsi_stop's exit status if it does not indicate an error. While not massively complicated, this adds another purpose to the twsi_stop function, which should have the sole purpose of asserting a STOP condition on the bus (and not manage the exit status of its caller). Therefore, we move the exit status management into the caller functions by introducing a "stop_status" variable and returning either the status before the twsi_stop call (kept in the "status" variable), or the status from the twsi_stop call, depending on which indicates an error. Signed-off-by: Mario Six <mario.six@gdsys.cc> Reviewed-by: Stefan Roese <sr@denx.de>