RTEMS | Add the support for i2c driver in the aarch64/raspberrypi bsp (!363)

[Gedare Bloom (@gedare)]

Gedare Bloom commented on a discussion on bsps/aarch64/raspberrypi/i2c/raspberrypi-i2c.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/363#note_121843

 > +
 > +static int rpi_i2c_transfer(i2c_bus *base, i2c_msg *msgs, uint32_t msg_count)
 > +{
 > +    raspberrypi_i2c_bus *bus = (raspberrypi_i2c_bus *)base;
 > +    int rv = 0;
 > +    uint32_t i;
 > +
 > +    for (i = 0; i < msg_count; ++i)
 > +    {
 > +        if (msgs[i].flags & I2C_M_RECV_LEN)
 > +        {
 > +            return RTEMS_INVALID_NUMBER;
 > +        }
 > +    }
 > +
 > +    for (i = 0; i < msg_count; i++)

It's an interesting question, what should be done in case of the error? Should none of the transfers happen, or should the erroneous one be skipped, or should the transfers stop when an error is encountered? I don't know what the right answer is.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/363#note_121843
You're receiving this email because of your account on gitlab.rtems.org.


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.rtems.org/pipermail/bugs/attachments/20250327/6ddfd7e8/attachment-0001.htm>