Re: [PATCH] docs: kbuild: add INSTALL_DTBS_PATH

From: Masahiro Yamada
Date: Sat Oct 14 2023 - 05:03:13 EST


On Thu, Oct 12, 2023 at 7:56 PM Ricardo B. Marliere
<ricardo@xxxxxxxxxxxx> wrote:
>
> The documentation for kbuild and makefiles is missing an explanation of
> a variable important for some architectures.
>
> Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
> ---

Applied to linux-kbuild.
Thanks.


> Documentation/kbuild/kbuild.rst | 6 ++++++
> Documentation/kbuild/makefiles.rst | 7 +++++++
> 2 files changed, 13 insertions(+)
>
> diff --git a/Documentation/kbuild/kbuild.rst b/Documentation/kbuild/kbuild.rst
> index bd906407e307..9c8d1d046ea5 100644
> --- a/Documentation/kbuild/kbuild.rst
> +++ b/Documentation/kbuild/kbuild.rst
> @@ -243,6 +243,12 @@ The output directory is often set using "O=..." on the commandline.
>
> The value can be overridden in which case the default value is ignored.
>
> +INSTALL_DTBS_PATH
> +-----------------
> +INSTALL_DTBS_PATH specifies where to install device tree blobs for
> +relocations required by build roots. This is not defined in the
> +makefile but the argument can be passed to make if needed.
> +
> KBUILD_ABS_SRCTREE
> --------------------------------------------------
> Kbuild uses a relative path to point to the tree when possible. For instance,
> diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst
> index e67eb261c9b0..d88d4f0f4f89 100644
> --- a/Documentation/kbuild/makefiles.rst
> +++ b/Documentation/kbuild/makefiles.rst
> @@ -1623,6 +1623,13 @@ INSTALL_MOD_STRIP
> INSTALL_MOD_STRIP value will be used as the option(s) to the strip
> command.
>
> +INSTALL_DTBS_PATH
> + This variable specifies a prefix for relocations required by build
> + roots. It defines a place for installing the device tree blobs. Like
> + INSTALL_MOD_PATH, it isn't defined in the Makefile, but can be passed
> + by the user if desired. Otherwise it defaults to the kernel install
> + path.
> +
> Makefile language
> =================
>
> --
> 2.42.0
>


--
Best Regards
Masahiro Yamada