On Sat, Aug 29, 2026 at 04:04:40PM -0400, Denys Dmytriyenko wrote:
> On Fri, Aug 28, 2026 at 03:54:00PM -0500, Ryan Eatmon wrote:
> >
> >
> > On 8/28/2026 12:44 PM, Denys Dmytriyenko wrote:
> > >On Fri, Aug 28, 2026 at 08:28:34PM +0530, Hari Prasath via
> > >lists.yoctoproject.org wrote:
> > >>The TI vendor kernel's dma-heap.h carries DMA_HEAP_IOCTL_EXPORT in
> > >>downstream. The standard header provided by linux-libc-headers' wouldn't
> > >>have the custom changes.Copy it straight from the kernel's staged
> > >>source tree (STAGING_KERNEL_DIR) into a separate /usr/include/ti/linux
> > >>path instead, for userspace code that needs it.
> > >>
> > >>Signed-off-by: Hari Prasath Gujulan Elango <[email protected]>
> > >>---
> > >> v1->v2: Address review comments in commit message and recipe description
> > >> v2->v3: Fix the patch subject prefix
> > >>
> > >> .../ti-vendor-kernel-headers_1.0.bb | 17 +++++++++++++++++
> > >> 1 file changed, 17 insertions(+)
> > >> create mode 100644
> > >> meta-ti-bsp/recipes-kernel/ti-vendor-kernel-headers/ti-vendor-kernel-headers_1.0.bb
> > >>
> > >>diff --git
> > >>a/meta-ti-bsp/recipes-kernel/ti-vendor-kernel-headers/ti-vendor-kernel-headers_1.0.bb
> > >>
> > >>b/meta-ti-bsp/recipes-kernel/ti-vendor-kernel-headers/ti-vendor-kernel-headers_1.0.bb
> > >>new file mode 100644
> > >>index 000000000..5d570689a
> > >>--- /dev/null
> > >>+++
> > >>b/meta-ti-bsp/recipes-kernel/ti-vendor-kernel-headers/ti-vendor-kernel-headers_1.0.bb
> > >>@@ -0,0 +1,17 @@
> > >>+SUMMARY = "TI vendor kernel uapi headers not present in mainline
> > >>linux-libc-headers"
> > >>+DESCRIPTION = "Copies select UAPI headers straight from the TI vendor
> > >>kernel source \
> > >>+tree into a TI-specific include path (/usr/include/ti/linux), for
> > >>userspace code \
> > >>+that needs them but can't rely on linux-libc-headers carrying TI-only
> > >>additions."
> > >>+LICENSE = "GPL-2.0-only"
> > >>+LIC_FILES_CHKSUM =
> > >>"file://${COMMON_LICENSE_DIR}/GPL-2.0-only;md5=801f80980d171dd6425610833a22dbe6"
> > >>+
> > >>+PACKAGE_ARCH = "${MACHINE_ARCH}"
> > >>+
> > >>+do_configure[depends] += "virtual/kernel:do_shared_workdir"
> > >
> > >Why do you need this dependency for do_configure? Moreover, since you don't
> > >have do_configure nor do_compile, you might want to mark them as "noexec"
> > >
> > >
> > >>+do_install[depends] += "virtual/kernel:do_shared_workdir"
> > >
> > >How do you ensure that virtual/kernel is the TI vendor kernel? If it's not,
> > >you'll be copying the original unmodified header into the ti/linux
> > >location.
> >
> >
> > Should this just be part of the linux-ti-staging recipes? That way
> > we can correctly only include it in the versions that have this
> > file?
>
> Yeah, probably the easiest and cleanest approach...
BTW, just realized these patches are all marked as scarthgap ONLY. Should
probably go the whole circle master -> wrynose -> scarthgap...
> > >>+
> > >>+do_install() {
> > >>+ install -d ${D}${includedir}/ti/linux
> > >>+ install -m 0644 ${STAGING_KERNEL_DIR}/include/uapi/linux/dma-heap.h
> > >>${D}${includedir}/ti/linux/dma-heap.h
> > >>+}
> > >>+
> > >>--
> > >>2.34.1
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