Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f282b97021ddc95c6092b9016f667c0963858fb1
Commit: f282b97021ddc95c6092b9016f667c0963858fb1
Parent: 314e77b3eec57001eaff82b82920150175b74e09
Author: Dan Williams <[EMAIL PROTECTED]>
AuthorDate: Wed Apr 18 18:46:20 2007 +1000
Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]>
CommitDate: Wed May 2 19:02:37 2007 -0700
msi: introduce ARCH_SUPPORTS_MSI Kconfig option (rev2)
Allows architectures to advertise that they support MSI rather than listing
each architecture as a PCI_MSI dependency.
Signed-off-by: Dan Williams <[EMAIL PROTECTED]>
Acked-by: "Eric W. Biederman" <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
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 590a41b..be9e10b 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -306,6 +306,7 @@ 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
-
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