A: http://en.wikipedia.org/wiki/Top_post Q: Were do I find info about this thing called top-posting? A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? A: No. Q: Should I include quotations after my reply? http://daringfireball.net/2007/07/on_top On Wed, Jun 27, 2018 at 04:57:56PM +0800, kipade wrote: > If so, I make a driver was compiled as module and inserted by insmod > after some time the system booted, the driver could find the device if it > did not compiled as module. But, the fact is, my driver could not find > its device which was created during booting from device tree. I don't know, sorry, you are going to have to be a lot more specific. Do you see the device in /sys/devices/ ? If so, are you sure your driver probe function is called? If not, then work on fixing that. Do you have a pointer to your driver code anywhere we can review it to see what you are trying to do? thanks, greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies