On Fri, 2007-03-30 at 16:05 -0700, Dan Williams wrote: > Allows architectures to advertise that they support MSI rather than listing > each architecture as a PCI_MSI dependency. > > rev2: > * update i386 and x86_64 as well > > Signed-off-by: Dan Williams <[email protected]> > Acked-by: "Eric W. Biederman" <[email protected]> Hi Greg, Are you planning on merging this one? AFAICT it still applies cleanly. At the moment my powerpc MSI patches depend on it. cheers > arch/arm/Kconfig | 1 + > arch/i386/Kconfig | 1 + > arch/ia64/Kconfig | 1 + > arch/sparc64/Kconfig | 1 + > arch/x86_64/Kconfig | 1 + > drivers/pci/Kconfig | 6 +++++- > 6 files changed, 10 insertions(+), 1 deletions(-) > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index e7baca2..db00376 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -255,6 +255,7 @@ config ARCH_IOP13XX > depends on MMU > select PLAT_IOP > select PCI > + select ARCH_SUPPORTS_MSI > help > Support for Intel's IOP13XX (XScale) family of processors. > > diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig > index 53d6237..bcf2fc4 100644 > --- a/arch/i386/Kconfig > +++ b/arch/i386/Kconfig > @@ -1073,6 +1073,7 @@ config PCI > bool "PCI support" if !X86_VISWS > depends on !X86_VOYAGER > default y if X86_VISWS > + select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC) > help > Find out whether you have a PCI motherboard. PCI is the name of a > bus system, i.e. the way the CPU talks to the other stuff inside > diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig > index e19185d..3b71f97 100644 > --- a/arch/ia64/Kconfig > +++ b/arch/ia64/Kconfig > @@ -14,6 +14,7 @@ config IA64 > select PCI if (!IA64_HP_SIM) > select ACPI if (!IA64_HP_SIM) > select PM if (!IA64_HP_SIM) > + select ARCH_SUPPORTS_MSI > default y > help > The Itanium Processor Family is Intel's 64-bit successor to > diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig > index 1a6348b..b9b2b52 100644 > --- a/arch/sparc64/Kconfig > +++ b/arch/sparc64/Kconfig > @@ -299,6 +299,7 @@ config SUN_IO > > config PCI > bool "PCI support" > + select ARCH_SUPPORTS_MSI > help > Find out whether you have a PCI motherboard. PCI is the name of a > bus system, i.e. the way the CPU talks to the other stuff inside > diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig > index 56eb14c..e9b4f05 100644 > --- a/arch/x86_64/Kconfig > +++ b/arch/x86_64/Kconfig > @@ -676,6 +676,7 @@ menu "Bus options (PCI etc.)" > > config PCI > bool "PCI support" > + select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC) > > # x86-64 doesn't support PCI BIOS access from long mode so always go direct. > config PCI_DIRECT > diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig > index 5ea5bc7..70efe8f 100644 > --- a/drivers/pci/Kconfig > +++ b/drivers/pci/Kconfig > @@ -1,10 +1,14 @@ > # > # PCI configuration > # > +config ARCH_SUPPORTS_MSI > + bool > + default n > + > config PCI_MSI > bool "Message Signaled Interrupts (MSI and MSI-X)" > depends on PCI > - depends on (X86_LOCAL_APIC && X86_IO_APIC) || IA64 || SPARC64 > + depends on ARCH_SUPPORTS_MSI > help > This allows device drivers to enable MSI (Message Signaled > Interrupts). Message Signaled Interrupts enable a device to -- Michael Ellerman OzLabs, IBM Australia Development Lab wwweb: http://michael.ellerman.id.au phone: +61 2 6212 1183 (tie line 70 21183) We do not inherit the earth from our ancestors, we borrow it from our children. - S.M.A.R.T Person
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