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fsl-mc: Remove MSI domain propagation to sub-devices

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Only the root device generates MSIs (it is the only one talking to
the ITS), so propagating the domain is pretty pointless. Remove it.

Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Tested-by: Ioana Ciornei <ioana.ciornei@nxp.com> # LX2160ARDB, LS2088ARDB
Tested-by: Sascha Bischoff <sascha.bischoff@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Thomas Gleixner <tglx@kernel.org>
Link: https://lore.kernel.org/r/20260224100936.3752303-2-maz@kernel.org
Signed-off-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
This commit is contained in:
Marc Zyngier 2026-02-24 10:09:31 +00:00 committed by Christophe Leroy (CS GROUP)
parent 3f4e403304
commit 1fb7392ee3
1 changed files with 1 additions and 3 deletions
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4
drivers/bus/fsl-mc/fsl-mc-bus.c
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@ -854,14 +854,12 @@ int fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc,
} else {
/*
* A non-DPRC object has to be a child of a DPRC, use the
* parent's ICID and interrupt domain.
* parent's ICID.
*/
mc_dev->icid = parent_mc_dev->icid;
mc_dev->dma_mask = FSL_MC_DEFAULT_DMA_MASK;
mc_dev->dev.dma_mask = &mc_dev->dma_mask;
mc_dev->dev.coherent_dma_mask = mc_dev->dma_mask;
dev_set_msi_domain(&mc_dev->dev,
dev_get_msi_domain(&parent_mc_dev->dev));
}
/*