On Fri, Jun 9, 2023 at 10:53 AM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Fri, Jun 09, 2023 at 12:16:19AM -0700, Dennis Zhou wrote: > > As a path forward I can add a command line flag as a bool to handle this > > and that should hopefully take care of the regresion aspect to this. > > command line flags are horrible and should never be used. Why can't you > dynamically detect this type of thing and handle it that way? If nothing else works, if this is device tree, a machine-specific quirk can be done: if (of_machine_is_compatible("vendor,machine")) {...} Yours, Linus Walleij