On Thu, Jul 22, 2021 at 01:51:40PM +0200, Jiri Slaby wrote: > TTY layer does nothing if tty_ldisc_ops::write_wakeup is NULL, so there > is no need to implement an empty one in cx20442. Drop it. Please submit patches using subject lines reflecting the style for the subsystem, this makes it easier for people to identify relevant patches. Look at what existing commits in the area you're changing are doing and make sure your subject lines visually resemble what they're doing. There's no need to resubmit to fix this alone.