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authorMichael Ellerman <michael@ellerman.id.au>2007-05-07 22:58:34 -0400
committerPaul Mackerras <paulus@samba.org>2007-05-07 23:40:31 -0400
commitdf87ef5508b40fc655b6c4771be31741d8ec1596 (patch)
treedf6062876a6abc11bdb5accf47f1d51f01a2ed11 /arch/powerpc/Kconfig
parentf728b5c3a599d0410a079f447f921a10be7d59d6 (diff)
[POWERPC] PowerPC MSI infrastructure
This provides the architecture specific hooks to support MSI on powerpc. We implement the newly added arch_setup_msi_irqs() and arch_teardown_msi_irqs(), and then delegate to ppc_md routines. Platforms that don't implement MSI will leave the ppc_md calls blank, arch_msi_check_device() will detect this and return ENOSYS. Drivers should detect this error and continue to use LSI. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/Kconfig')
-rw-r--r--arch/powerpc/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 67668fdb0292..abb13cfd2ef9 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -682,6 +682,7 @@ config PCI
682 && !PPC_85xx && !PPC_86xx 682 && !PPC_85xx && !PPC_86xx
683 default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS 683 default PCI_PERMEDIA if !4xx && !CPM2 && !8xx && APUS
684 default PCI_QSPAN if !4xx && !CPM2 && 8xx 684 default PCI_QSPAN if !4xx && !CPM2 && 8xx
685 select ARCH_SUPPORTS_MSI
685 help 686 help
686 Find out whether your system includes a PCI bus. PCI is the name of 687 Find out whether your system includes a PCI bus. PCI is the name of
687 a bus system, i.e. the way the CPU talks to the other stuff inside 688 a bus system, i.e. the way the CPU talks to the other stuff inside