[PATCH v2 0/6] fsl-mc: Move over to device MSI infrastructure

From: Marc Zyngier

Date: Tue Feb 24 2026 - 05:11:27 EST


This is the second drop of this cleanup series for the fsl-mc MSI
infrastructure, initially posted at [1].

* From v1 [1]:

- Drop the now unused DOMAIN_BUS_FSL_MC_MSI bus token

- Tidy-up fsl_mc_write_msi_msg() while removing the legacy helper

- Fix include ordering in irq-gic-its-msi-parent.c

- Various commit message cleanups

- Collected tags from Ioana and Sascha, with thanks

- Rebased on top of v7.0.rc1

[1] https://lore.kernel.org/r/20260218135203.2267907-1-maz@xxxxxxxxxx

Marc Zyngier (6):
fsl-mc: Remove MSI domain propagation to sub-devices
fsl-mc: Add minimal infrastructure to use platform MSI
irqchip/gic-v3-its: Add fsl_mc device plumbing to the msi-parent
handling
fsl-mc: Switch over to per-device platform MSI
fsl-mc: Remove legacy MSI implementation
platform-msi: Remove stale comment

drivers/base/platform-msi.c | 4 -
drivers/bus/fsl-mc/dprc-driver.c | 14 +-
drivers/bus/fsl-mc/fsl-mc-bus.c | 4 +-
drivers/bus/fsl-mc/fsl-mc-msi.c | 166 +++----------------
drivers/bus/fsl-mc/fsl-mc-private.h | 2 +-
drivers/irqchip/Kconfig | 6 -
drivers/irqchip/Makefile | 1 -
drivers/irqchip/irq-gic-its-msi-parent.c | 7 +-
drivers/irqchip/irq-gic-v3-its-fsl-mc-msi.c | 168 --------------------
include/linux/fsl/mc.h | 6 +-
include/linux/irqdomain_defs.h | 1 -
11 files changed, 39 insertions(+), 340 deletions(-)
delete mode 100644 drivers/irqchip/irq-gic-v3-its-fsl-mc-msi.c

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2.47.3