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author | Rob Herring <robh@kernel.org> | 2018-05-08 13:07:49 -0500 |
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committer | Rob Herring <robh@kernel.org> | 2018-05-14 19:45:01 -0500 |
commit | 50aafd60898a8b3edf2f60e014a8288da3b2e5e3 (patch) | |
tree | 9bbb9713e3cc6e0c2e3cea71943e9338b937e0b7 /scripts/dtc/dtc-parser.y | |
parent | 9601000cd57e395b56642596903f59d61d91e176 (diff) | |
download | linux-50aafd60898a8b3edf2f60e014a8288da3b2e5e3.tar.bz2 |
scripts/dtc: Update to upstream version v1.4.6-21-g84e414b0b5bc
This adds the following commits from upstream:
84e414b0b5bc tests: Add a test case for the omit-if-no-ref keyword
4038fd90056e dtc: add ability to make nodes conditional on them being referenced
e1f139ea4900 checks: drop warning for missing PCI bridge bus-range
f4eba68d89ee checks: Print duplicate node name instead of parent name
46df1fb1b211 .travis.yml: Run valgrind checks via Travis
14a3002a1aee tests: Update valgrind suppressions for sw_tree1
02c5fe9debc0 tests: Remove valgrind error from tests/get_path
df536831d02c checks: add graph binding checks
2347c96edcbe checks: add a check for duplicate unit-addresses of child nodes
8f1b35f88395 Correct overlay syntactic sugar for generating target-path fragments
afbddcd418fb Suppress warnings on overlay fragments
119e27300359 Improve tests for dtc overlay generation
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'scripts/dtc/dtc-parser.y')
-rw-r--r-- | scripts/dtc/dtc-parser.y | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/scripts/dtc/dtc-parser.y b/scripts/dtc/dtc-parser.y index 44af170abfea..011a5b25539a 100644 --- a/scripts/dtc/dtc-parser.y +++ b/scripts/dtc/dtc-parser.y @@ -63,6 +63,7 @@ extern bool treesource_error; %token DT_BITS %token DT_DEL_PROP %token DT_DEL_NODE +%token DT_OMIT_NO_REF %token <propnodename> DT_PROPNODENAME %token <integer> DT_LITERAL %token <integer> DT_CHAR_LITERAL @@ -190,18 +191,18 @@ devicetree: } | devicetree DT_REF nodedef { - struct node *target = get_node_by_ref($1, $2); - - if (target) { - merge_nodes(target, $3); + /* + * We rely on the rule being always: + * versioninfo plugindecl memreserves devicetree + * so $-1 is what we want (plugindecl) + */ + if ($<flags>-1 & DTSF_PLUGIN) { + add_orphan_node($1, $3, $2); } else { - /* - * We rely on the rule being always: - * versioninfo plugindecl memreserves devicetree - * so $-1 is what we want (plugindecl) - */ - if ($<flags>-1 & DTSF_PLUGIN) - add_orphan_node($1, $3, $2); + struct node *target = get_node_by_ref($1, $2); + + if (target) + merge_nodes(target, $3); else ERROR(&@2, "Label or path %s not found", $2); } @@ -219,6 +220,18 @@ devicetree: $$ = $1; } + | devicetree DT_OMIT_NO_REF DT_REF ';' + { + struct node *target = get_node_by_ref($1, $3); + + if (target) + omit_node_if_unused(target); + else + ERROR(&@3, "Label or path %s not found", $3); + + + $$ = $1; + } ; nodedef: @@ -523,6 +536,10 @@ subnode: { $$ = name_node(build_node_delete(), $2); } + | DT_OMIT_NO_REF subnode + { + $$ = omit_node_if_unused($2); + } | DT_LABEL subnode { add_label(&$2->labels, $1); |