Hi folks, I'm currently writing a driver for an (pseudo-)serial device (actually, a bunch of HW fifo's, which look like serial controllers to the host), which only supports polling, no interrupts.
So far, I'm just using a kthread in a loop, but that would have to run w/ high priority sleep very short (needs to transfer several MB/s on a am33xx), so probably not a good idea. Another option could be using timers for just looking at the status registers and issue sw interrupts, which are then handled just like the w/ the usual interrupt-driven serial ports (IOW: mimic an interrupt controller). What do you folks thinkt about that ? thx. --mtx