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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:50:19 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:50:19 -0700 |
commit | df6d3916f3b7b7e2067567a256dd4f0c1ea854a2 (patch) | |
tree | 0fdeab1ab5d566605fc99aeb5ea3f621f11e7608 /arch/powerpc/kernel/msi.c | |
parent | 74add80cbd7fe246c893b93ee75ac59acdd01dd4 (diff) | |
parent | 197686dfe0038fd190326d118b743ff65ad20c0e (diff) | |
download | blackbird-op-linux-df6d3916f3b7b7e2067567a256dd4f0c1ea854a2.tar.gz blackbird-op-linux-df6d3916f3b7b7e2067567a256dd4f0c1ea854a2.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (77 commits)
[POWERPC] Abolish powerpc_flash_init()
[POWERPC] Early serial debug support for PPC44x
[POWERPC] Support for the Ebony 440GP reference board in arch/powerpc
[POWERPC] Add device tree for Ebony
[POWERPC] Add powerpc/platforms/44x, disable platforms/4xx for now
[POWERPC] MPIC U3/U4 MSI backend
[POWERPC] MPIC MSI allocator
[POWERPC] Enable MSI mappings for MPIC
[POWERPC] Tell Phyp we support MSI
[POWERPC] RTAS MSI implementation
[POWERPC] PowerPC MSI infrastructure
[POWERPC] Rip out the existing powerpc msi stubs
[POWERPC] Remove use of 4level-fixup.h for ppc32
[POWERPC] Add powerpc PCI-E reset API implementation
[POWERPC] Holly bootwrapper
[POWERPC] Holly DTS
[POWERPC] Holly defconfig
[POWERPC] Add support for 750CL Holly board
[POWERPC] Generalize tsi108 PCI setup
[POWERPC] Generalize tsi108 PHY types
...
Fixed conflict in include/asm-powerpc/kdebug.h manually
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/powerpc/kernel/msi.c')
-rw-r--r-- | arch/powerpc/kernel/msi.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/msi.c b/arch/powerpc/kernel/msi.c new file mode 100644 index 000000000000..c62d1012c013 --- /dev/null +++ b/arch/powerpc/kernel/msi.c @@ -0,0 +1,38 @@ +/* + * Copyright 2006-2007, Michael Ellerman, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/msi.h> + +#include <asm/machdep.h> + +int arch_msi_check_device(struct pci_dev* dev, int nvec, int type) +{ + if (!ppc_md.setup_msi_irqs || !ppc_md.teardown_msi_irqs) { + pr_debug("msi: Platform doesn't provide MSI callbacks.\n"); + return -ENOSYS; + } + + if (ppc_md.msi_check_device) { + pr_debug("msi: Using platform check routine.\n"); + return ppc_md.msi_check_device(dev, nvec, type); + } + + return 0; +} + +int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) +{ + return ppc_md.setup_msi_irqs(dev, nvec, type); +} + +void arch_teardown_msi_irqs(struct pci_dev *dev) +{ + return ppc_md.teardown_msi_irqs(dev); +} |