RTEMS | bsp/aarch64/raspberrypi: Add I2C interrupt support (!682)

[Christian Mauderer (@c-mauderer)]

Christian Mauderer started a new discussion on bsps/aarch64/raspberrypi/i2c/raspberrypi-i2c.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/682#note_129357

 >        return rv;
 >      }
 >    } else {
 > +#ifdef BSP_I2C_USE_INTERRUPTS
 > +    while ( bus->remaining_bytes > 0 ) {
 > +      C_REG( bus ) |= C_INTT;
 > +      if ( rtems_binary_semaphore_wait_timed_ticks(&bus->sem, bus->base.timeout) !=

You enable the DONE interrupt and then wait that you receive it. But as far as I can tell, you haven't put anything into the data FIFO yet. Why do you get an interrupt at all?

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/682#note_129357
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