Hi, On 4/21/21 3:49 PM, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > The driver now fails to build without ACPI: > > drivers/platform/x86/intel_pmc_core.c: In function 'pmc_core_get_tgl_lpm_reqs': > drivers/platform/x86/intel_pmc_core.c:617:41: error: invalid use of undefined type 'struct acpi_device' > 617 | out_obj = acpi_evaluate_dsm(adev->handle, &s0ix_dsm_guid, 0, > > This could probably be made optional, but it won't be used without > ACPI in practice, so just add a Kconfig dependency. > > Fixes: 428131364f00 ("platform/x86: intel_pmc_core: Get LPM requirements for Tiger Lake") > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Thank you for your patch, I've applied this patch to my review-hans branch: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans Note it will show up in my review-hans branch once I've pushed my local branch there, which might take a while. Once I've run some tests on this branch the patches there will be added to the platform-drivers-x86/for-next branch and eventually will be included in the pdx86 pull-request to Linus for the next merge-window. Regards, Hans > --- > drivers/platform/x86/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig > index 697fc446ac41..2714f7c3843e 100644 > --- a/drivers/platform/x86/Kconfig > +++ b/drivers/platform/x86/Kconfig > @@ -1194,6 +1194,7 @@ config INTEL_MRFLD_PWRBTN > config INTEL_PMC_CORE > tristate "Intel PMC Core driver" > depends on PCI > + depends on ACPI > help > The Intel Platform Controller Hub for Intel Core SoCs provides access > to Power Management Controller registers via various interfaces. This >