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4201d057ea
This adds the following commits from upstream: b1a60033c110 tests: Add a test for overlays syntactic sugar 737b2df39cc8 overlay: Add syntactic sugar version of overlays 497432fd2131 checks: Use proper format modifier for size_t 22a65c5331c2 dtc: Bump version to v1.4.5 c575d8059fff Add fdtoverlay to .gitignore b6a6f9490d19 fdtoverlay: Sanity check blob size 8c1eb1526d2d pylibfdt: Use Python2 explicitly ee3d26f6960b checks: add interrupts property check c1e7738988f5 checks: add gpio binding properties check b3bbac02d5e3 checks: add phandle with arg property checks fe50bd1ecc1d fdtget: Split out cell list display into a new function 62d812308d11 README: Add a note about test_tree1.dts 5bed86aee9e8 pylibfdt: Add support for fdt_subnode_offset() 46f31b65b3b3 pylibfdt: Add support for fdt_node_offset_by_phandle() a3ae43723687 pylibfdt: Add support for fdt_parent_offset() a198af80344c pylibfdt: Add support for fdt_get_phandle() b9eba92ea50f tests: Return a failure code when any tests fail 155faf6cc209 pylibfdt: Use local pylibfdt module 50e5cd07f325 pylibfdt: Add a test for use of uint32_t ab78860f09f5 pylibfdt: Add stdint include to fix uint32_t 36f511fb1113 tests: Add stacked overlay tests on fdtoverlay 1bb00655d3e5 fdt: Allow stacked overlays phandle references a33c2247ac8d Introduce fdt_setprop_placeholder() method 0016f8c2aa32 dtc: change default phandles to ePAPR style instead of both e3b9a9588a35 tests: fdtoverlay unit test 42409146f2db fdtoverlay: A tool that applies overlays aae22722fc8d manual: Document missing options 13ce6e1c2fc4 dtc: fix sprintf() format string error, again d990b8013889 Makefile: Fix build on MSYS2 and Cygwin 51f56dedf8ea Clean up shared library compile/link options 21a2bc896e3d Suppress expected error message in fdtdump test 2a42b14d0d03 dtc: check.c fix compile error a10cb3c818d3 Fix get_node_by_path string equality check 548aea2c436a fdtdump: Discourage use of fdtdump c2258841a785 fdtdump: Fix over-zealous version check 9067ee4be0e6 Fix a few whitespace and style nits e56f2b07be38 pylibfdt: Use setup.py to build the swig file 896f1c133265 pylibfdt: Use Makefile constructs to implement NO_PYTHON 90db6d9989ca pylibfdt: Allow setup.py to operate stand-alone e20d9658cd8f Add Coverity Scan support b04a2cf08862 pylibfdt: Fix code style in setup.py 1c5170d3a466 pylibfdt: Rename libfdt.swig to libfdt.i 580a9f6c2880 Add a libfdt function to write a property placeholder ab15256d8d02 pylibfdt: Use the call function to simplify the Makefile 9f2e3a3a1f19 pylibfdt: Use the correct libfdt version in the module e91c652af215 pylibfdt: Enable installation of Python module 8a892fd85d94 pylibfdt: Allow building to be disabled 741cdff85d3e .travis.yml: Add builds with and without Python library prerequisites 14c4171f4f9a pylibfdt: Use package_dir to set the package directory 89a5062ab231 pylibfdt: Use environment to pass C flags and files 4e0e0d049757 pylibfdt: Allow pkg-config to be supplied in the environment 6afd7d9688f5 Correct typo: s/pylibgfdt/pylibfdt/ Signed-off-by: Rob Herring <robh@kernel.org>
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/*
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* libfdt - Flat Device Tree manipulation
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* Copyright (C) 2014 David Gibson <david@gibson.dropbear.id.au>
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*
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* libfdt is dual licensed: you can use it either under the terms of
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* the GPL, or the BSD license, at your option.
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*
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* a) This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*
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* Alternatively,
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*
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* b) Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "libfdt_env.h"
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#include <fdt.h>
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#include <libfdt.h>
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#include "libfdt_internal.h"
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int fdt_address_cells(const void *fdt, int nodeoffset)
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{
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const fdt32_t *ac;
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int val;
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int len;
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ac = fdt_getprop(fdt, nodeoffset, "#address-cells", &len);
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if (!ac)
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return 2;
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if (len != sizeof(*ac))
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return -FDT_ERR_BADNCELLS;
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val = fdt32_to_cpu(*ac);
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if ((val <= 0) || (val > FDT_MAX_NCELLS))
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return -FDT_ERR_BADNCELLS;
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return val;
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}
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int fdt_size_cells(const void *fdt, int nodeoffset)
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{
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const fdt32_t *sc;
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int val;
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int len;
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sc = fdt_getprop(fdt, nodeoffset, "#size-cells", &len);
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if (!sc)
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return 2;
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if (len != sizeof(*sc))
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return -FDT_ERR_BADNCELLS;
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val = fdt32_to_cpu(*sc);
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if ((val < 0) || (val > FDT_MAX_NCELLS))
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return -FDT_ERR_BADNCELLS;
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return val;
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}
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