On Thu, Apr 27, 2023 at 10:01 PM Hawkins, Nick <nick.hawkins@xxxxxxx> wrote: > > Thank you for your contribution. To begin with, I don't believe a simple GPIO > > driver needs 1000+ LoCs. But see more comments below. > > Andy, > > Thank you for your feedback. I will apply all the input you have provided. You are welcome! > I will need to rewrite this code and I am considering the need to > perhaps create two files instead of one to keep code length down. As > implied by the description I was trying to have one file handle two > different compatible strings. > > I believe that one file will need to be the regular IO from the host and > memory mapped IO pins of our SoC. The other will need to be the memory > mapped IO pins coming from our CPLD. Both of these sources are interruptible > which does cause some complexity. > > Please let me know if what I have described above is not a good approach to > take with GPIO drivers. Any guidance would be greatly appreciated. I don't know your hardware, otherwise what you wrote above sounds good to me. -- With Best Regards, Andy Shevchenko