Gedare Bloom started a new discussion on 
bsps/aarch64/raspberrypi/i2c/raspberrypi-i2c.c: 
https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/363#note_121845

 > +        ++divider;
 > +        clock_rate = BSC_CORE_CLK_HZ / divider;
 > +    }
 > +    
 > +    BCM2835_REG(bus->base_address + BCM2711_I2C_DIV) = divider;
 > +
 > +    bus->input_clock = clock_rate;
 > +
 > +    return 0;
 > +}
 > +
 > +static int rpi_i2c_setup_transfer(raspberrypi_i2c_bus *bus)
 > +{
 > +    int rv;
 > +    while(bus->remaining_transfers > 0){
 > +        bus->remaining_bytes = bus->remaining_transfers > 1 ? 0xFFFF : 
 > (bus->current_buffer_size & 0xFFFF);

this is kind of complicated. i'm not sure why it is correct?

-- 
View it on GitLab: 
https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/363#note_121845
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