On Fri, 12 Nov 2021 19:00:22 +0100, Takashi Iwai wrote: > > We've got a bug report about the non-working keyboard on ASUS ZenBook > UX425UA. It seems that the PS/2 device isn't ready immediately at > boot but takes some seconds to get ready. Until now, the only > workaround is to defer the probe, but it's available only when the > driver is a module. However, many distros, including openSUSE as in > the original report, build the PS/2 input drivers into kernel, hence > it won't work easily. > > This patch adds the support for the deferred probe for i8042 stuff as > a workaround of the problem above. When the deferred probe mode is > enabled and the device couldn't be probed, it'll be repeated with the > standard deferred probe mechanism. > > The deferred probe mode is enabled either via the new option > i8042.probe_defer or via the quirk table entry. As of this patch, the > quirk table contains only ASUS ZenBook UX425UA. > > The deferred probe part is based on Fabio's initial work. > > BugLink: https://bugzilla.suse.com/show_bug.cgi?id=1190256 > Link: https://lore.kernel.org/r/s5ho890n1rh.wl-tiwai@xxxxxxx > Cc: Fabio Estevam <festevam@xxxxxxxxx> > Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> There was a typo in MODULE_PARAM_DESC(). Will resubmit v2 patch. Takashi