On Wed, Dec 26, 2018 at 8:35 PM Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> wrote: > > > On 12/23/18 5:25 PM, Sinan Kaya wrote: > > Code does unconditional select for IOSF_MBI. IOSF_MBI driver depends on > > CONFIG_PCI set but this is not specified anywhere. > > Can you please share the .config that exposes this problem? This hasn't > changed in a long time and I wonder why this pops up now. You have > similar cases elsewhere, e.g. arch/x86/Kconfig > Here is the background : I have a changeset that was added to 4.21-rc1 that decouples ACPI from PCI. PCI was automatically selected when ACPI was chosen before. This is no longer true. If a code needs PCI support, it now needs to explicitly state that. This allows usecase for smaller kernels and component isolation. > config X86_INTEL_LPSS > bool "Intel Low Power Subsystem Support" > depends on X86 && ACPI > select COMMON_CLK > select PINCTRL > select IOSF_MBI > > or for the MMC. > > config MMC_SDHCI_ACPI > tristate "SDHCI support for ACPI enumerated SDHCI controllers" > depends on MMC_SDHCI && ACPI > select IOSF_MBI if X86 > > The use of IOSF_MBI is only for the Baytrail-CR detection and there are > already in-flight patches to change the code and move it to a helper. > > My understanding is that for compilation you only need CONFIG_x86 since > there are fall-back routines available in iosf_mbi.h > > Thanks! > > > > > Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxx> > > --- > > sound/soc/intel/Kconfig | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig > > index 2fd1b61e8331..b0764b2fe001 100644 > > --- a/sound/soc/intel/Kconfig > > +++ b/sound/soc/intel/Kconfig > > @@ -91,7 +91,7 @@ config SND_SST_ATOM_HIFI2_PLATFORM_PCI > > config SND_SST_ATOM_HIFI2_PLATFORM_ACPI > > tristate "ACPI HiFi2 (Baytrail, Cherrytrail) Platforms" > > default ACPI > > - depends on X86 && ACPI > > + depends on X86 && ACPI && PCI > > select SND_SST_IPC_ACPI > > select SND_SST_ATOM_HIFI2_PLATFORM > > select SND_SOC_ACPI_INTEL_MATCH
