Hi again... On 1/30/23 16:09, Hans de Goede wrote: > Hi again, > > On 1/26/23 20:40, Armin Wolf wrote: >> Until now, the dell-wmi-ddv driver needs to be manually >> patched and compiled to test compatibility with unknown >> DDV WMI interface versions. >> Add a module param to allow users to force loading even >> when a unknown interface version was detected. Since this >> might cause various unwanted side effects, the module param >> is marked as unsafe. >> Also update kernel-parameters.txt. >> >> Signed-off-by: Armin Wolf <W_Armin@xxxxxx> >> --- >> Documentation/admin-guide/kernel-parameters.txt | 3 +++ >> drivers/platform/x86/dell/dell-wmi-ddv.c | 13 +++++++++++-- >> 2 files changed, 14 insertions(+), 2 deletions(-) >> >> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt >> index 6cfa6e3996cf..9bbff5113427 100644 >> --- a/Documentation/admin-guide/kernel-parameters.txt >> +++ b/Documentation/admin-guide/kernel-parameters.txt >> @@ -1024,6 +1024,9 @@ >> dell_smm_hwmon.fan_max= >> [HW] Maximum configurable fan speed. >> >> + dell_wmi_ddv.force= >> + [HW] Do not check for supported WMI interface versions. >> + >> dfltcc= [HW,S390] >> Format: { on | off | def_only | inf_only | always } >> on: s390 zlib hardware support for compression on > > In my previous email I forgot to add that I have dropped this bit. I appreciate > the effort to document this parameter, but if we add documentation for all > existing parameters to Documentation/admin-guide/kernel-parameters.txt then > the file will become quite unyielding / unusable. > > So in general we only add new parameters which we expect to be important for > a large group of users or necessary to debug serious problems like machines > not booting. > > I realize that a bunch of parameters in there do not match this, like > e.g. dell_smm_hwmon.fan_max, these are just from older times when > there were just less parameters, so listing them all was still ok. > > So I have merged this patch, but with the Documentation/admin-guide/kernel-parameters.txt > bit dropped. I forgot to add: and these days it is really easy to find all the supported parameters for a module by just doing "modinfo <modulename> Regards, Hans