Re: [PATCH 34/36] iommu: make the pointer to struct bus_type constant

[Joerg Roedel]

On Mon, Mar 13, 2023 at 07:29:16PM +0100, Greg Kroah-Hartman wrote:
> A number of iommu functions take a struct bus_type * and never modify
> the data passed in, so make them all const * as that is what the driver
> core is expecting to have passed into as well.
> 
> This is a step toward making all struct bus_type pointers constant in
> the kernel.
> 
> Cc: Joerg Roedel <joro@xxxxxxxxxx>
> Cc: Will Deacon <will@xxxxxxxxxx>
> Cc: Robin Murphy <robin.murphy@xxxxxxx>
> Cc: iommu@xxxxxxxxxxxxxxx
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> ---
> Note, this is a patch that is a prepatory cleanup as part of a larger
> series of patches that is working on resolving some old driver core
> design mistakes.  It will build and apply cleanly on top of 6.3-rc2 on
> its own, but I'd prefer if I could take it through my driver-core tree
> so that the driver core changes can be taken through there for 6.4-rc1.

This will probably cause conflicts in linux-next, but anyway, those
should be easy to resolve. So

Acked-by: Joerg Roedel <jroedel@xxxxxxx>