Re: [PATCH] scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9

[Rob Herring]

On Thu, Feb 11, 2021 at 9:31 PM Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>
> Hi Rob,
>
> On Wed, Feb 03, 2021 at 03:26:03PM -0600, Rob Herring wrote:
> > This adds the following commits from upstream:
> >
> > 183df9e9c2b9 gitignore: Ignore the swp files
> > 0db6d09584e1 gitignore: Add cscope files
> > 307afa1a7be8 Update Jon Loeliger's email
> > ca16a723fa9d fdtdump: Fix gcc11 warning
> > 64990a272e8f srcpos: increase MAX_SRCFILE_DEPTH
> > 163f0469bf2e dtc: Allow overlays to have .dtbo extension
> > 3b01518e688d Set last_comp_version correctly in new dtb and fix potential version issues in fdt_open_into
> > f7e5737f26aa tests: Fix overlay_overlay_nosugar test case
> > 7cd5d5fe43d5 libfdt: Tweak description of assume-aligned load helpers
> > a7c404099349 libfdt: Internally perform potentially unaligned loads
> > bab85e48a6f4 meson: increase default timeout for tests
> > f8b46098824d meson: do not assume python is installed, skip tests
> > 30a56bce4f0b meson: fix -Wall warning
> > 5e735860c478 libfdt: Check for 8-byte address alignment in fdt_ro_probe_()
> > 67849a327927 build-sys: add meson build
> > 05874d08212d pylibfdt: allow build out of tree
> > 3bc3a6b9fe0c dtc: Fix signedness comparisons warnings: Wrap (-1)
> > e1147b159e92 dtc: Fix signedness comparisons warnings: change types
> > 04cf1fdc0fcf convert-dtsv0: Fix signedness comparisons warning
> > b30013edb878 libfdt: Fix kernel-doc comments
> >
> > Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
>
> This patch causes my little-endian microblaze qemu emulations to fail
> silently (no console output) in next-20210211. Reverting this patch
> together with "scripts: dtc: Build fdtoverlay tool" fixes the problem.

My guess would be something in libfdt. Maybe 7cd5d5fe43d5 or
a7c404099349, though that should return to historical behavior.

Can you give me the qemu command line and kernel cfg?

Rob