[U-Boot] [PATCH] fit: Do not automatically decompress ramdisk images

[Heiko Schocher]

Hello Julius,

Am 03.08.2019 um 00:52 schrieb Julius Werner:
> The Linux ramdisk should always be decompressed by the kernel itself,
> not by U-Boot. Therefore, the 'compression' node in the FIT image should
> always be set to "none" for ramdisk images, since the only point of
> using that node is if you want U-Boot to do the decompression itself.
> 
> Yet some systems populate the node to the compression algorithm used by
> the kernel instead. This used to be ignored, but now that we support
> decompression of all image types it becomes a problem. Since ramdisks
> should never be decompressed by U-Boot anyway, this patch adds a special
> exception for them to avoid these issues. Still, setting the
> 'compression' node like that is wrong in the first place, so we still
> want to print out a warning so that third-party distributions doing this
> can notice and fix it.
> 
> Signed-off-by: Julius Werner <jwerner at chromium.org>
> ---
>   common/image-fit.c        | 13 +++++++++----
>   test/py/tests/test_fit.py | 10 +++++++++-
>   2 files changed, 18 insertions(+), 5 deletions(-)

Many thanks!

Reviewed-by: Heiko Schocher <hs at denx.de>
Tested-by: Heiko Schocher <hs at denx.de>

bye,
Heiko
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