On Thu, Dec 23, 2010 at 07:14:20AM +0100, Geert Uytterhoeven wrote:

2010/12/22 Michal Marek [off-list ref]:

quoted

On 22.12.2010 20:57, dirk.brandewie@gmail.com wrote:

quoted

From: Dirk Brandewie<redacted>

This patch adds support for linking device tree blob(s) into
vmlinux. Modifies asm-generic/vmlinux.lds.h to add linking
.dtb sections into vmlinux. To maintain compatiblity with the of/fdt
driver code platforms MUST copy the blob to a non-init memory location
before the kernel frees the .init.* sections in the image.

Modifies scripts/Makefile.lib to add a kbuild command to
compile DTS files to device tree blobs and a rule to create objects to
wrap the blobs for linking.

STRUCT_ALIGNMENT is defined in vmlinux.lds.h for use in the rule to
create wrapper objects for the dtb in Makefile.lib.  The
STRUCT_ALIGN() macro in vmlinux.lds.h is modified to use the
STRUCT_ALIGNMENT definition.

The DTB's are placed on 32 byte boundries to allow parsing the blob
with driver/of/fdt.c during early boot without having to copy the blob
to get the structure alignment GCC expects.

A DTB is linked in by adding the DTB object to the list of objects to
be linked into vmlinux in the archtecture specific Makefile using
   obj-y += foo.dtb.o

Signed-off-by: Dirk Brandewie<redacted>

Hi,

you can add
Acked-by: Michal Marek <redacted>
but I thing this series should go through the tip tree, as your primary
target seems to be x86 and patch 2/4 depends on the ce4100 code that is only
in tip.

If the two lines

+# device tree blob
+obj-$(CONFIG_X86_INTEL_CE) += ce4100.dtb.o

are removed, patch 2/4 no longer depends on the ce4100 code.
The summary and description for that patch don't mention anything
about ce4100 anyway.

I'd like to take this through the dt tree.  I'll drop the ce4100 hunk
when I merge it.

g.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev