Re: [PATCH 0/4] Fix omap-iommu bitrot

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Hi Robin,

On 28/10/24 23:28, Robin Murphy wrote:
Hi all,

It seems omap-iommu hasn't had enough mainline users to avoid bitrotting
through the more recent evolution of the IOMMU API internals. These
patches attempt to bring it and its consumers sufficiently up-to-date
to work again, in a manner that's hopefully backportable. This is
largely all written by inspection, but I have managed to lightly boot
test patch #3 on an OMAP4 Pandaboard to confirm iommu_probe_device()
working again.

This supersedes my previous patch[1]. Patches #1 and #2 are functionally
independent, and can be applied directly to their respective trees if
preferred.

Thanks,
Robin.

[1] https://lore.kernel.org/linux-iommu/c44545c6d07c65d89daa297298c27bb0f15c8b84.1728393458.git.robin.murphy@xxxxxxx/


Robin Murphy (4):
   remoteproc/omap: Handle ARM dma_iommu_mapping
   media: omap3isp: Handle ARM dma_iommu_mapping
   iommu/omap: Add minimal fwnode support
   iommu: Make bus_iommu_probe() static


Tested this series on omap4 w.r.t. remoteproc subsystem on v6.12-rc5, it works fine; attached logs[2]. Therefore, for series please use:

Tested-by: Beleswar Padhi <b-padhi@xxxxxx>

Many thanks for working on the fix.

Best,
Beleswar

[2]: https://gist.github.com/3V3RYONE/f9244a0aa0e3514b7c62f7965cbb0bae


  drivers/iommu/iommu.c                    |  3 ++-
  drivers/iommu/omap-iommu.c               | 26 +++++++++++++++---------
  drivers/media/platform/ti/omap3isp/isp.c |  7 +++++++
  drivers/remoteproc/omap_remoteproc.c     | 17 ++++++++++++++++
  include/linux/iommu.h                    |  1 -
  5 files changed, 42 insertions(+), 12 deletions(-)





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