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[187.190.205.42]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-2daa0f6d9aesm2122670fac.21.2025.05.05.11.09.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 May 2025 11:09:21 -0700 (PDT) Date: Mon, 5 May 2025 12:09:16 -0600 From: Tom Rini To: Simon Glass , Eric Schikschneit Cc: u-boot@lists.denx.de Subject: Re: [PATCH] [RFC]: dtc: Add Kconfig option to pad device tree blob Message-ID: <20250505180916.GH5430@bill-the-cat> References: <20250502183826.859174-1-eric.schikschneit@novatechautomation.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ZoS4a2J02AWkZISu" Content-Disposition: inline In-Reply-To: X-Clacks-Overhead: GNU Terry Pratchett X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean --ZoS4a2J02AWkZISu Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, May 02, 2025 at 08:10:33PM -0600, Simon Glass wrote: > Hi Eric, >=20 > On Fri, 2 May 2025 at 14:06, Eric Schikschneit > wrote: > > > > This will allow arch(s) that use device tree blobs to pad the end of the > > device tree so they can be modified by board files at run time. This wi= ll > > help prevent errors such as FDT_ERR_NOSPACE from occuring. > > > > Signed-off-by: Eric Schikschneit > > --- > > arch/Kconfig | 11 +++++++++++ > > arch/arc/dts/Makefile | 6 +++++- > > arch/arm/dts/Makefile | 4 ++++ > > arch/m68k/dts/Makefile | 6 +++++- > > arch/microblaze/dts/Makefile | 6 +++++- > > arch/nios2/dts/Makefile | 6 +++++- > > arch/powerpc/dts/Makefile | 4 ++++ > > arch/riscv/dts/Makefile | 6 +++++- > > arch/sandbox/dts/Makefile | 6 +++++- > > arch/x86/dts/Makefile | 8 +++++++- > > 10 files changed, 56 insertions(+), 7 deletions(-) > > >=20 > This is not a board-specific feature. You could try this: >=20 > https://patchwork.ozlabs.org/project/uboot/patch/20241206131113.2865416-3= -sjg@chromium.org/ Simon, can you please read your links before sending them to other people? There's several things wrong with that patch so suggesting someone else try it and see is not helpful. Eric, for your platform can you expand the value used by SYS_FDT_PAD or is that not updating things in the correct spot for your use case? --=20 Tom --ZoS4a2J02AWkZISu Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEEGjx/cOCPqxcHgJu/FHw5/5Y0tywFAmgY/sgACgkQFHw5/5Y0 tywMfwwAuT8W6+4amu4VAnCmaSiRzdUpl0WpvarjGV4qTRnsxbPn7xJUV/Ypxnuc dvT8JcoyUO/p8Y2IZ7Oix6LcTOYONQVXep8ZJNvfuHHvVPMAwJ5vT9cwdVNuE9/P 1q5/TMrVetSGNPnZuLmq0OX8kFX7HUsw1DfNcHy+og8NHInI3JbN485Vb+q7LnnF LTEjrdueu1bmoCD5SYS7lgzJ1LX33PnPF6MMzgxIy618OYy/hBC8CA+HWf2dOne7 XAPhLX4uTOQnXK+r7xq8uGMLpan52yfnflACn/4IwqHqldWZqmYCjj9z58ZCYhDr q4vPnEhFapfanq5bUOs96C76fnaBTLPiZKfGameUty2cbWJySt4+ghcgkCKDNy/T uEBXjNsWoM3gvh+g6JwwUxypwCIDxaM+nmpcflZ75H1CQHzEuVAKu8IyjHWDg6ia p30TkvUc3roHfXh7N8uDURjL131yxFQWxpDDJcYXTNpOBm0hzOo+oDte2kT1fPjE 5NFYOIz/ =3Y8g -----END PGP SIGNATURE----- --ZoS4a2J02AWkZISu--