Report Coverity log:
The code uses a variable that has not
been initialized, leading to unpredictable
or unintended results.

Reported-by: Coverity (CID: 60519)
Signed-off-by: Tien Fong Chee <tien.fong.chee@intel.com>

This includes small changes to the following functions, from upstream
commit 6d1832c:

- fdt_get_max_phandle() (upstream commit 84e0e134)
- fdt_node_check_compatible (upstream commit 53bf130b)
- fdt_setprop_inplace_namelen_partial() to remove useless brackets and
     use idx instead of index
- _fdt_resize_property() to use idx instead of index
- _fdt_splice() (upstream commit d4c7c25c)

It also includes various typo fixes in libfdt.h

Signed-off-by: Simon Glass <sjg@chromium.org>

Add a function to modify inplace only a portion of a property..

This is especially useful when the property is an array of values, and you
want to update one of them without changing the DT size.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Simon Glass <sjg@chromium.org>

A number of style fixes across the files in this directory, including:

 * Correct invalid kernel-doc content.
 * Tidy up massive comment in fdt_region.c.
 * Use correct spelling of "U-Boot".
 * Replace tests of "! <var>" with "!<var>".
 * Replace "libfdt_env.h" with <libfdt_env.h>.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Acked-by: Simon Glass <sjg@chromium.org>

Signed-off-by: Roger Meier <roger@bufferoverflow.ch>
Acked-by: Wolfgang Denk <wd@denx.de>

Add a function to find regions in device tree given a list of nodes to
include and properties to exclude.

See the header file for full documentation.

Signed-off-by: Simon Glass <sjg@chromium.org>

commit 142419e "dtc/libfdt: sparse fixes", for u-boot's libfdt copy.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Cc: Jerry Van Baren <gvb.uboot@gmail.com>

Move the libfdt directory into the common lib/ directory to clean up the
top-level directory.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

Currently fdt_next_node() will find the next node in the blob
regardless of whether it is above, below or at the same level in the
tree as the starting node - the depth parameter is updated to indicate
which is the case.  When a depth parameter is supplied, this patch
makes it instead terminate immediately when it finds the END_NODE tag
for a node at depth 0.  In this case it returns the offset immediately
past the END_NODE tag.

This has a couple of advantages.  First, this slightly simplifies
fdt_subnode_offset(), which no longer needs to explicitly check that
fdt_next_node()'s iteration hasn't left the starting node.  Second,
this allows fdt_next_node() to be used to implement
_fdt_node_end_offset() considerably simplifying the latter function.

The other users of fdt_next_node() either don't need to iterate out of
the starting node, or don't pass a depth parameter at all.  Any
callers that really need to iterate out of the starting node, but keep
tracking depth can do so by biasing the initial depth value.

This is a semantic change, but I think it's very unlikely to break any
existing library users.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

libfdt is supposed to easy to embed in projects all and sundry.
Often, it won't be practical to separate the embedded libfdt's
namespace from that of the surrounding project.  Which means there can
be namespace conflicts between even libfdt's internal/static functions
and functions or macros coming from the surrounding project's headers
via libfdt_env.h.

This patch, therefore, renames a bunch of libfdt internal functions
and macros and makes a few other chances to reduce the chances of
namespace collisions with embedding projects.  Specifically:
	- Internal functions (even static ones) are now named _fdt_*()

	- The type and (static) global for the error table in
          fdt_strerror() gain an fdt_ prefix

	- The unused macro PALIGN is removed

	- The memeq and streq macros are removed and open-coded in the
          users (they were only used once each)

	- Other macros gain an FDT_ prefix

	- To save some of the bulk from the previous change, an
          FDT_TAGALIGN() macro is introduced, where FDT_TAGALIGN(x) ==
          FDT_ALIGN(x, FDT_TAGSIZE)

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

This patch turns on the -Wpointer-arith option in the dtc Makefile,
and fixes the resulting warnings due to using (void *) in pointer
arithmetic.  While convenient, pointer arithmetic on void * is not
portable, so it's better that we avoid it, particularly in libfdt.

Also add necessary definition of uintptr_t needed by David Gibson's
changeset "dtc: Enable and fix -Wpointer-arith warnings" (the definition
comes from stdint.h, which u-boot doesn't have). -- gvb

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Gerald Van Baren <vanbaren@cideas.com>

Signed-off-by: Bartlomiej Sieka <tur@semihalf.com>

Update libfdt to commit 8eaf5e358366017aa2e846c5038d1aa19958314e from
the device tree compiler (dtc) project.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

Modify libfdt/Makefile to conditionally compile the *.c files based
on the board config.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

This is the way u-boot reduces configured-out code.  At Wolfgang
Grandegger and Wolfgang Denk's request, make libfdt conform.

Signed-off-by: Gerald Van Baren <vanbaren@cideas.com>

Signed-off-by: Wolfgang Denk <wd@denx.de>

Enhanced the formerly private function _fdt_next_tag() to allow stepping
  through the tree, used to produce a human-readable dump, and made
  it part of the published interface.
Also added some comments.

This adds the applicable libfdt source files (unmodified) and a README
to explain where the source came from.