tree c8d0a88ab1bd9af0cc2d0fd22383ba99936d5604
parent 158afdbf91716af81d70f92b375b97ded14c91e3
author Sam Day <me@samcday.com> 1737541619 +0000
committer Caleb Connolly <caleb.connolly@linaro.org> 1737560702 +0100

mach-snapdragon: pass fdt to qcom_parse_memory

commit fc37a73e6679 ("fdt: Swap the signature for
board_fdt_blob_setup()") introduced a subtle change to the Snapdragon
implementation, removing the assignment to gd->fdt_blob partway through
the function.

This breaks qcom_parse_memory() which was also called during
board_fdt_blob_setup().

The underlying issue here is that qcom_parse_memory is using the of_ api
to traverse a devicetree, which relies on the fdt_blob in global data.

Rather than relying on this subtle behaviour, explicitly pass the FDT
that should be consulted for a /memory node.

Using the OF API is typically preferable because it's easier to read,
but using the lower level fdt_ methods instead here doesn't add too much
complexity, I think.

Finally, a minor tweak was made to board_fdt_blob_setup to use the
passed fdt blob pointer instead of gd->fdt_blob, which removes the last
of the references to global data in this area.

Fixes: fc37a73e6679 (fdt: Swap the signature for board_fdt_blob_setup())
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
Signed-off-by: Sam Day <me@samcday.com>
Link: https://lore.kernel.org/r/20250122-qcom-parse-memory-updates-v2-1-98dfcac821d7@samcday.com
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>