From: Marc Zyngier Date: Tue, 24 Feb 2026 10:09:31 +0000 (+0000) Subject: fsl-mc: Remove MSI domain propagation to sub-devices X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1fb7392ee3408494d4d62c09a8c3e5f5934caba7;p=thirdparty%2Fkernel%2Flinux.git fsl-mc: Remove MSI domain propagation to sub-devices 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 Tested-by: Ioana Ciornei # LX2160ARDB, LS2088ARDB Tested-by: Sascha Bischoff Signed-off-by: Marc Zyngier Acked-by: Thomas Gleixner Link: https://lore.kernel.org/r/20260224100936.3752303-2-maz@kernel.org Signed-off-by: Christophe Leroy (CS GROUP) --- diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c index c117745cf2065..1a6c8e3c0b27f 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -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)); } /*