> On Jul 20, 2016, at 3:00 PM, Herve Jourdain <herve.jourd...@neuf.fr> wrote: > > v6: rebased > > v5: modifications after more review > * Added an Upstream-Status to the kernel patch > * Only one instance of KERNEL_DEVICETREE defined (with the new .dtbo syntax) > * Modification of the KERNEL_DEVICETREE is done in > linux-raspberry-base.bbclass, based on the kernel version > > v4: rebased > For kernels 4.4.9+, the behavior for the device tree overlays loading has > been modified on RaspberryPi. > For overlays, it loads .dtbo files, not .dtb anymore. > Also, it does not check for -overlay extension, so the name of the overlay > that is placed in the "overlays" directory must be <overlay_name>.dtbo, > instead of <overlay_name>-overlay.dtb. > > This patch addresses the issue for kernels 4.4+, while keeping the same > behavior for older kernels. > This patch must be used in conjunction with another patch to > meta/recipes-kernel/linux-dtb.inc, which will allow the processing of .dtbo > files for overlays, instead of only .dtb like before. > > .dtb are still in use, but only for the "real" device trees (not the > overlays).
I have staged this series in https://github.com/kraj/meta-raspberrypi kraj/master However, this all has to wait on two things. The OE-core patch https://patchwork.openembedded.org/patch/123747/ and we need to branch out for krogoth > > Herve Jourdain (4): > linux-raspberrypi_4.4.bb: support for .dtbo files for dtb overlays > rpi-base.inc: support for .dtbo files for dtb overlays > linux-raspberrypi-base.bbclass: support for .dtbo files for dtb > overlays > sdcard_image-rpi.bbclass: support for .dtbo files for dtb overlays > > classes/linux-raspberrypi-base.bbclass | 19 ++++++---- > classes/sdcard_image-rpi.bbclass | 15 +++++--- > conf/machine/include/rpi-base.inc | 30 +++++++-------- > .../0001-fix-dtbo-rules.patch | 44 ++++++++++++++++++++++ > recipes-kernel/linux/linux-raspberrypi_4.4.bb | 1 + > 5 files changed, 81 insertions(+), 28 deletions(-) > create mode 100644 > recipes-kernel/linux/linux-raspberrypi-4.4/0001-fix-dtbo-rules.patch > > -- > 2.7.4 > > -- > _______________________________________________ > yocto mailing list > yocto@yoctoproject.org > https://lists.yoctoproject.org/listinfo/yocto
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