Hi Thomas,
Here's a number of patches that introduce the msi-map DT property, and
puts it to a good use is the MSI layer. The msi-parent property also
gets reworked in order to cope with its sideband information
extension.
This replaces the previous PR which had a couple of merge issues.
Please pull!
Thanks,
M.
The following changes since commit a71225e204f5ba8b41e7bb100ca37c074861d5b1:
irqchip/gic-v2m: Add support for multiple MSI frames (2015-10-15 10:18:48 +0200)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git tags/msi-map-4.4
for you to fetch changes up to 54fa97eeb9e22b47d68b67ee00987afa7fbc2178:
PCI/MSI: Allow the MSI domain to be device-specific (2015-10-16 13:07:16 +0100)
----------------------------------------------------------------
Support for msi-map, and msi-parent update:
- New map-map property to describe the remapping of requester-ids,
and the routing of MSIs to controllers
- New hooks to make MSI domains per-device if required
- Extension of msi-parent to provide sideband information
- Extensive documentation for both msi-map and msi-parent
----------------------------------------------------------------
David Daney (3):
of/irq: Add new function of_msi_map_rid()
PCI/MSI: Add helper function pci_msi_domain_get_msi_rid().
irqchip/gic-v3-its: Add handling of PCI requester id.
Marc Zyngier (8):
of/irq: Add support code for multi-parent version of "msi-parent"
of/irq: Use of_msi_get_domain instead of open-coded "msi-parent" parsing
PCI/MSI: Use of_msi_get_domain instead of open-coded "msi-parent" parsing
irqchip/gic-v3-its: Parse new version of msi-parent property
of/irq: Split of_msi_map_rid to reuse msi-map lookup
of/irq: Use the msi-map property to provide device-specific MSI domain
PCI: Add per-device MSI domain hook
PCI/MSI: Allow the MSI domain to be device-specific
Mark Rutland (1):
Docs: dt: Add PCI MSI map bindings
Documentation/devicetree/bindings/pci/pci-msi.txt | 220 ++++++++++++++++++++++
drivers/irqchip/irq-gic-v3-its-pci-msi.c | 4 +-
drivers/irqchip/irq-gic-v3-its-platform-msi.c | 18 +-
drivers/of/irq.c | 185 +++++++++++++++++-
drivers/pci/msi.c | 49 +++++
drivers/pci/of.c | 13 +-
drivers/pci/probe.c | 43 ++++-
include/linux/msi.h | 7 +
include/linux/of_irq.h | 23 +++
9 files changed, 534 insertions(+), 28 deletions(-)
create mode 100644 Documentation/devicetree/bindings/pci/pci-msi.txt
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