Message ID | 20180724093345.1575921-1-arnd@arndb.de (mailing list archive) |
---|---|
State | Superseded, archived |
Headers | show |
Series | arm64: fix ACPI dependencies | expand |
On Tue, Jul 24, 2018 at 11:33 AM, Arnd Bergmann <arnd@arndb.de> wrote: > Kconfig reports a warning on x86 builds after the ARM64 dependency > was added. > > drivers/acpi/Kconfig:6:error: recursive dependency detected! > drivers/acpi/Kconfig:6: symbol ACPI depends on EFI > > This rephrases the dependency to keep the ARM64 details out of the > shared Kconfig file, so Kconfig no longer gets confused by it. > > Fixes: 5bcd44083a08 ("drivers: acpi: add dependency of EFI for arm64") > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > arch/arm64/Kconfig | 1 + > drivers/acpi/Kconfig | 5 ++++- > 2 files changed, 5 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index cdcaa6a798b2..2f987a938405 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -1267,6 +1267,7 @@ config EFI > bool "UEFI runtime support" > depends on OF && !CPU_BIG_ENDIAN > depends on KERNEL_MODE_NEON > + select ARCH_SUPPORTS_ACPI > select LIBFDT > select UCS2_STRING > select EFI_PARAMS_FROM_FDT > diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig > index a8da730fabc6..0cda51c5d433 100644 > --- a/drivers/acpi/Kconfig > +++ b/drivers/acpi/Kconfig > @@ -6,7 +6,7 @@ > menuconfig ACPI > bool "ACPI (Advanced Configuration and Power Interface) Support" > depends on !IA64_HP_SIM > - depends on IA64 || X86 || (ARM64 && EFI) > + depends on IA64 || X86 || ARCH_SUPPORTS_ACPI That doesn't look particularly consistent to me. It should be either "depends on ARCH_SUPPORTS_ACPI" alone or mention ARM64 somehow IMO > depends on PCI > select PNP > default y if (IA64 || X86) > @@ -41,6 +41,9 @@ menuconfig ACPI > <http://www.acpi.info> > <http://www.uefi.org/acpi/specs> > > +config ARCH_SUPPORTS_ACPI > + bool > + > if ACPI > > config ACPI_LEGACY_TABLES_LOOKUP > -- -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Jul 24, 2018 at 11:37:10AM +0200, Rafael J. Wysocki wrote: > On Tue, Jul 24, 2018 at 11:33 AM, Arnd Bergmann <arnd@arndb.de> wrote: > > Kconfig reports a warning on x86 builds after the ARM64 dependency > > was added. > > > > drivers/acpi/Kconfig:6:error: recursive dependency detected! > > drivers/acpi/Kconfig:6: symbol ACPI depends on EFI > > > > This rephrases the dependency to keep the ARM64 details out of the > > shared Kconfig file, so Kconfig no longer gets confused by it. > > > > Fixes: 5bcd44083a08 ("drivers: acpi: add dependency of EFI for arm64") > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > > --- > > arch/arm64/Kconfig | 1 + > > drivers/acpi/Kconfig | 5 ++++- > > 2 files changed, 5 insertions(+), 1 deletion(-) > > > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > > index cdcaa6a798b2..2f987a938405 100644 > > --- a/arch/arm64/Kconfig > > +++ b/arch/arm64/Kconfig > > @@ -1267,6 +1267,7 @@ config EFI > > bool "UEFI runtime support" > > depends on OF && !CPU_BIG_ENDIAN > > depends on KERNEL_MODE_NEON > > + select ARCH_SUPPORTS_ACPI > > select LIBFDT > > select UCS2_STRING > > select EFI_PARAMS_FROM_FDT > > diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig > > index a8da730fabc6..0cda51c5d433 100644 > > --- a/drivers/acpi/Kconfig > > +++ b/drivers/acpi/Kconfig > > @@ -6,7 +6,7 @@ > > menuconfig ACPI > > bool "ACPI (Advanced Configuration and Power Interface) Support" > > depends on !IA64_HP_SIM > > - depends on IA64 || X86 || (ARM64 && EFI) > > + depends on IA64 || X86 || ARCH_SUPPORTS_ACPI > > That doesn't look particularly consistent to me. > > It should be either "depends on ARCH_SUPPORTS_ACPI" alone or mention > ARM64 somehow IMO How about something along the lines of what Ard suggested? Untested diff below. Will --->8 diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 303809c6..ec78d4d 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -56,6 +56,7 @@ config ARM64 select ARCH_USE_CMPXCHG_LOCKREF select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS + select ARCH_SUPPORTS_ACPI select ARCH_SUPPORTS_MEMORY_FAILURE select ARCH_SUPPORTS_ATOMIC_RMW select ARCH_SUPPORTS_INT128 if GCC_VERSION >= 50000 || CC_IS_CLANG diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 15ab1da..198db2d 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -3,10 +3,12 @@ # ACPI Configuration # +config ARCH_SUPPORTS_ACPI + def_bool (IA64 && !IA64_HP_SIM) || X86 + menuconfig ACPI bool "ACPI (Advanced Configuration and Power Interface) Support" - depends on !IA64_HP_SIM - depends on IA64 || X86 || (ARM64 && EFI) + depends on ARCH_SUPPORTS_ACPI depends on PCI select PNP default y if (IA64 || X86) -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Jul 24, 2018 at 11:44 AM, Will Deacon <will.deacon@arm.com> wrote: > On Tue, Jul 24, 2018 at 11:37:10AM +0200, Rafael J. Wysocki wrote: >> On Tue, Jul 24, 2018 at 11:33 AM, Arnd Bergmann <arnd@arndb.de> wrote: > > How about something along the lines of what Ard suggested? Untested diff > below. > > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 303809c6..ec78d4d 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -56,6 +56,7 @@ config ARM64 > select ARCH_USE_CMPXCHG_LOCKREF > select ARCH_USE_QUEUED_RWLOCKS > select ARCH_USE_QUEUED_SPINLOCKS > + select ARCH_SUPPORTS_ACPI > select ARCH_SUPPORTS_MEMORY_FAILURE > select ARCH_SUPPORTS_ATOMIC_RMW > select ARCH_SUPPORTS_INT128 if GCC_VERSION >= 50000 || CC_IS_CLANG I'd prefer Rafael's suggestion of just leaving out the architecture names from the dependency, and making all three 'select ARCH_SUPPORTS_ACPI'. I'll send a v2. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Jul 24, 2018 at 11:46:23AM +0200, Arnd Bergmann wrote: > On Tue, Jul 24, 2018 at 11:44 AM, Will Deacon <will.deacon@arm.com> wrote: > > On Tue, Jul 24, 2018 at 11:37:10AM +0200, Rafael J. Wysocki wrote: > >> On Tue, Jul 24, 2018 at 11:33 AM, Arnd Bergmann <arnd@arndb.de> wrote: > > > > > How about something along the lines of what Ard suggested? Untested diff > > below. > > > > > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > > index 303809c6..ec78d4d 100644 > > --- a/arch/arm64/Kconfig > > +++ b/arch/arm64/Kconfig > > @@ -56,6 +56,7 @@ config ARM64 > > select ARCH_USE_CMPXCHG_LOCKREF > > select ARCH_USE_QUEUED_RWLOCKS > > select ARCH_USE_QUEUED_SPINLOCKS > > + select ARCH_SUPPORTS_ACPI > > select ARCH_SUPPORTS_MEMORY_FAILURE > > select ARCH_SUPPORTS_ATOMIC_RMW > > select ARCH_SUPPORTS_INT128 if GCC_VERSION >= 50000 || CC_IS_CLANG > > I'd prefer Rafael's suggestion of just leaving out the architecture names from > the dependency, and making all three 'select ARCH_SUPPORTS_ACPI'. > > I'll send a v2. Ok, thanks. Will -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index cdcaa6a798b2..2f987a938405 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1267,6 +1267,7 @@ config EFI bool "UEFI runtime support" depends on OF && !CPU_BIG_ENDIAN depends on KERNEL_MODE_NEON + select ARCH_SUPPORTS_ACPI select LIBFDT select UCS2_STRING select EFI_PARAMS_FROM_FDT diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index a8da730fabc6..0cda51c5d433 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -6,7 +6,7 @@ menuconfig ACPI bool "ACPI (Advanced Configuration and Power Interface) Support" depends on !IA64_HP_SIM - depends on IA64 || X86 || (ARM64 && EFI) + depends on IA64 || X86 || ARCH_SUPPORTS_ACPI depends on PCI select PNP default y if (IA64 || X86) @@ -41,6 +41,9 @@ menuconfig ACPI <http://www.acpi.info> <http://www.uefi.org/acpi/specs> +config ARCH_SUPPORTS_ACPI + bool + if ACPI config ACPI_LEGACY_TABLES_LOOKUP
Kconfig reports a warning on x86 builds after the ARM64 dependency was added. drivers/acpi/Kconfig:6:error: recursive dependency detected! drivers/acpi/Kconfig:6: symbol ACPI depends on EFI This rephrases the dependency to keep the ARM64 details out of the shared Kconfig file, so Kconfig no longer gets confused by it. Fixes: 5bcd44083a08 ("drivers: acpi: add dependency of EFI for arm64") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/arm64/Kconfig | 1 + drivers/acpi/Kconfig | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-)