[PATCH 0/6] fsl-mc: Move fsl_over to device MSI

[Ioana Ciornei]

On Wed, Feb 18, 2026 at 01:51:57PM +0000, Marc Zyngier wrote:
> Over the past few years, I have become increasingly annoyed by this
> sort of messages in my boot log:
> 
> [    0.067861] fsl-mc MSI: ITS at 0x100100040000 domain created
> [    0.073352] fsl-mc MSI: ITS at 0x100100060000 domain created
> [    0.078841] fsl-mc MSI: ITS at 0x100100080000 domain created
> [    0.084328] fsl-mc MSI: ITS at 0x1001000a0000 domain created
> [    0.089815] fsl-mc MSI: ITS at 0x1001000c0000 domain created
> [    0.095303] fsl-mc MSI: ITS at 0x1001000e0000 domain created
> [    0.100792] fsl-mc MSI: ITS at 0x100100100000 domain created
> [    0.106281] fsl-mc MSI: ITS at 0x100100120000 domain created
> 
> While this is useful on fsl-mc systems, this is completely irrelevant
> on 99.99999% of the arm64 machines, which know nothing about the
> Freescale stuff. Including all of my machine -- bar *one*.
> 
> Global MSI domains such as the above have been obsoleted for the past
> two years, but nobody at NXP seems to have got the message.

I do admit that I wasn't aware that this neeeded work. In the future,
please let me know of this kind of things and I will do the work.

> 
> The obvious solution is to delete some code! While my first port of
> call would be to just 'git rm -r drivers/bus/fsl-mc' (only kidding!),
> a less invasive solution is to drag that code into the present times.
> Which is what this series is doing by converting the whole thing to
> device MSI, reusing the platform MSI infrastructure instead of
> duplicating it.
> 
> This results in the expected cleanup, and kills the last user of the
> non-device-MSI stuff on arm64. You're welcome.

Thanks!

Tested-by: Ioana Ciornei <ioana.ciornei at nxp.com> # LX2160ARDB, LS2088ARDB
Reviewed-by: Ioana Ciornei <ioana.ciornei at nxp.com>