RE: [PATCH v4 05/14] platform/x86: dell-wmi-descriptor: split WMI descriptor into it's own driver

[Mario.Limonciello]

> -----Original Message-----
> From: Darren Hart [mailto:dvhart@xxxxxxxxxxxxx]
> Sent: Thursday, October 5, 2017 12:22 PM
> To: Limonciello, Mario <Mario_Limonciello@xxxxxxxx>
> Cc: andy.shevchenko@xxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; platform-
> driver-x86@xxxxxxxxxxxxxxx; luto@xxxxxxxxxx; quasisec@xxxxxxxxxx;
> pali.rohar@xxxxxxxxx; rjw@xxxxxxxxxxxxx; mjg59@xxxxxxxxxx; hch@xxxxxx;
> greg@xxxxxxxxx
> Subject: Re: [PATCH v4 05/14] platform/x86: dell-wmi-descriptor: split WMI
> descriptor into it's own driver
> 
> On Thu, Oct 05, 2017 at 02:47:15PM +0000, Mario.Limonciello@xxxxxxxx wrote:
> > > >
> > > > So I believe it should be a mandatory runtime dependency due to needing
> > > > the symbol dell_wmi_get_interface_version.  Depmod should be handling
> > > > this then no?
> > >
> > > This was nagging me all night, and I was thinking the last time I had to
> > > use this it was indeed a runtime dependency. Sorry for the noise on
> > > this.
> > >
> > > The kconfig needs to be setup such that dell-wmi-descriptor cannot be a
> > > module if the dependent drivers are modules.
> > >
> > > --
> > > Darren Hart
> > > VMware Open Source Technology Center
> >
> > Even if the others are modules shouldn't module ordering from depmod still
> DTRT?
> > You still won't be able to load dell-wmi.ko until dell-wmi-descriptor.ko was
> loaded.
> >
> 
> I worded that wrong *facepalm*, let me try again...
> 
> The kconfig needs to be setup such that dell-wmi-descriptor cannot be a
> module if the dependent drivers are built-in.
> 

OK got it.  I've got Kconfig adjusted for this.  Unlike DELL_SMBIOS, 
DELL_WMI_DESCRIPTOR could still be used on it's own.