[PATCH v2 0/2] Preserve the flags portion on 1:1 dma-ranges mapping

[Rob Herring]

On Sun, Nov 24, 2024 at 11:05:35AM +0100, Andrea della Porta wrote:
> Empty dma-ranges in DT nodes using 3-cell address spcifier cause the
> flag portion to be dropped by of_translate_one(), failing the translation
> chain. This patch aims at fixing this issue.
> 
> Part of this patchset was originally preparatory for a bigger patchset
> (see [1]). It has been split in a standalone one for better management
> and because it contains a bugfix which is probably of interest to stable
> branch.
> I've also added new tests to unittest to prove it.
> 
> Many thanks,
> Andrea
> 
> References:
> [1] - https://lore.kernel.org/all/3029857353c9499659369c1540ba887d7860670f.1730123575.git.andrea.porta@suse.com/
> 
> 
> Changes in V2:
> 
> - Added blank lines between paragraphs in commit message for patch 2
> - Fixed a comment to explain the code behaviour in a straighter way
> 
> 
> Andrea della Porta (2):
>   of/unittest: Add empty dma-ranges address translation tests
>   of: address: Preserve the flags portion on 1:1 dma-ranges mapping
> 
>  drivers/of/address.c                        |  3 +-
>  drivers/of/unittest-data/tests-address.dtsi |  2 ++
>  drivers/of/unittest.c                       | 39 +++++++++++++++++++++
>  3 files changed, 43 insertions(+), 1 deletion(-)

Applied, thanks!

Rob