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authorDan Williams <dan.j.williams@intel.com>2007-04-18 18:46:20 +1000
committerGreg Kroah-Hartman <gregkh@suse.de>2007-05-02 19:02:37 -0700
commitf282b97021ddc95c6092b9016f667c0963858fb1 (patch)
tree3a9b6e1a7b1afa732eaf31fd9b8793f245e85422 /drivers
parent314e77b3eec57001eaff82b82920150175b74e09 (diff)
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 <dan.j.williams@intel.com> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/Kconfig6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 5ea5bc70cb82..70efe8f285a6 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