On Wed, Aug 14, 2013 at 11:32 AM, Franklin S. Cooper Jr <fcoo...@ti.com> wrote:
> * In the 3.11 kernel some dts files now include C code that must first run
> through the preprocessor.
> * Update building the dtb by first running the dts file through the user's
> compiler before building using the device tree compiler.
> * The logic used is based on mainline u-boot dts/Makefile.
We are already working through a change from Otavio that changes the way we
build DTB files, using the in kernel resources.
So this shouldn't be required in the end, or at least heavily modified.
So I suggest we hold on this change for now, and rebase it once the
patch I mentioned
is merged.
Bruce
>
> Signed-off-by: Franklin S. Cooper Jr <fcoo...@ti.com>
> ---
> meta/recipes-kernel/linux/linux-dtb.inc | 5 ++++-
> 1 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/meta/recipes-kernel/linux/linux-dtb.inc
> b/meta/recipes-kernel/linux/linux-dtb.inc
> index 41dd599..f1aafa2 100644
> --- a/meta/recipes-kernel/linux/linux-dtb.inc
> +++ b/meta/recipes-kernel/linux/linux-dtb.inc
> @@ -21,7 +21,10 @@ do_install_append() {
> DTS_BASE_NAME=`basename ${DTS_FILE} | awk -F "."
> '{print $1}'`
> DTB_NAME=`echo ${KERNEL_IMAGE_BASE_NAME} | sed
> "s/${MACHINE}/${DTS_BASE_NAME}/g"`
> DTB_SYMLINK_NAME=`echo ${KERNEL_IMAGE_SYMLINK_NAME} |
> sed "s/${MACHINE}/${DTS_BASE_NAME}/g"`
> - dtc -I dts -O dtb ${KERNEL_DEVICETREE_FLAGS} -o
> ${DTS_BASE_NAME} ${DTS_FILE}
> +
> + cat ${DTS_FILE} | \
> + ${CPP} -x assembler-with-cpp -I ./include/ -I
> ./arch/${ARCH}/boot/dts - | \
> + dtc ${KERNEL_DEVICETREE_FLAGS} -O dtb -o
> ${DTS_BASE_NAME} -i arch/${ARCH}/boot/dts/ -
> install -m 0644 ${DTS_BASE_NAME}
> ${D}/${KERNEL_IMAGEDEST}/devicetree-${DTB_SYMLINK_NAME}.dtb
> done
> fi
> --
> 1.7.0.4
>
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