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SubjectRE: [PATCH v4 11/14] platform/x86: dell-smbios-wmi: Add new WMI dispatcher driver
Date
> -----Original Message-----
> From: Darren Hart [mailto:dvhart@infradead.org]
> Sent: Friday, October 6, 2017 11:45 AM
> To: Limonciello, Mario <Mario_Limonciello@Dell.com>
> Cc: andy.shevchenko@gmail.com; linux-kernel@vger.kernel.org; platform-
> driver-x86@vger.kernel.org; luto@kernel.org; quasisec@google.com;
> pali.rohar@gmail.com; rjw@rjwysocki.net; mjg59@google.com; hch@lst.de;
> greg@kroah.com
> Subject: Re: [PATCH v4 11/14] platform/x86: dell-smbios-wmi: Add new WMI
> dispatcher driver
>
> On Thu, Oct 05, 2017 at 07:47:38PM +0000, Mario.Limonciello@dell.com wrote:
> > > -----Original Message-----
> > > From: Darren Hart [mailto:dvhart@infradead.org]
> > > Sent: Thursday, October 5, 2017 12:58 PM
> > > To: Limonciello, Mario <Mario_Limonciello@Dell.com>
> > > Cc: andy.shevchenko@gmail.com; linux-kernel@vger.kernel.org; platform-
> > > driver-x86@vger.kernel.org; luto@kernel.org; quasisec@google.com;
> > > pali.rohar@gmail.com; rjw@rjwysocki.net; mjg59@google.com; hch@lst.de;
> > > greg@kroah.com
> > > Subject: Re: [PATCH v4 11/14] platform/x86: dell-smbios-wmi: Add new WMI
> > > dispatcher driver
> > >
> > > On Thu, Oct 05, 2017 at 03:12:46PM +0000, Mario.Limonciello@dell.com
> wrote:
> > >
> > > > > > diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
> > > > > > index f0b97cb8e449..ef597f440d2e 100644
> > > > > > --- a/drivers/platform/x86/Kconfig
> > > > > > +++ b/drivers/platform/x86/Kconfig
> > > > > > @@ -93,13 +93,27 @@ config ASUS_LAPTOP
> > > > > >
> > > > > > config DELL_SMBIOS
> > > > > > tristate "Dell SMBIOS calling interface"
> > > > > > - depends on DELL_SMBIOS_SMM
> > > > > > + depends on DELL_SMBIOS_WMI || DELL_SMBIOS_SMM
> > > > > > ---help---
> > > > > > This module provides common functions for kernel modules
> using
> > > > > > Dell SMBIOS.
> > > > >
> > > > > You use select DELL_SMBIOS below, which implies this modules should be
> > > > > invisible. Indeed, there is no need for the user to see the DELL_SMBIOS
> > > > > option at all now, they can select DELL_SMBIOS_WMI and or
> > > > > DELL_SMBIOS_SMM, no need to keep the DELL_SMBIOS option.
> > > > >
> > > > So when you say make invisible, does that mean that it should never show
> > > > up in make menuconfig and just be implicitly selected?
> > >
> > > Right. It shouldn't have a prompt.
> > >
> > > >
> > > > When I was adjusting Kconfig for your other feedback I noticed setting
> > > something
> > > > to "select $DRIVER" that invisible driver does show up just can't be turned
> off.
> > > > Is that what you mean?
> > >
> > > No, I mean eliminate the menu entry by eliminating the prompt.
> > Do you have an example of a driver that does it this way?
> > When I tried, CONFIG_DELL_WMI_DESCRIPTOR doesn't get saved to .config
> > and then doesn't compile into a module anymore.
>
> Just eliminating the prompt will hide DELL_SMBIOS from menuconfig:
>
> config DELL_SMBIOS
> tristate
> depends on DELL_SMBIOS_WMI || DELL_SMBIOS_SMM
>
> --
> Darren Hart
> VMware Open Source Technology Center

Ohhh. I didn't know that's what you meant by prompt. Thanks for
clarifying.

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