mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 02:30:34 +02:00
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>
This commit is contained in:
Rob Herring
parent
9601000cd5
commit
50aafd6089
6 changed files with 261 additions and 16 deletions
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@ -255,7 +255,7 @@ static void check_duplicate_node_names(struct check *c, struct dt_info *dti,
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child2;
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child2 = child2->next_sibling)
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if (streq(child->name, child2->name))
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FAIL(c, dti, node, "Duplicate node name");
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FAIL(c, dti, child2, "Duplicate node name");
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}
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ERROR(duplicate_node_names, check_duplicate_node_names, NULL);
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@ -317,6 +317,11 @@ static void check_unit_address_vs_reg(struct check *c, struct dt_info *dti,
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const char *unitname = get_unitname(node);
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struct property *prop = get_property(node, "reg");
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if (get_subnode(node, "__overlay__")) {
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/* HACK: Overlay fragments are a special case */
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return;
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}
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if (!prop) {
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prop = get_property(node, "ranges");
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if (prop && !prop->val.len)
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@ -579,6 +584,8 @@ static void fixup_phandle_references(struct check *c, struct dt_info *dti,
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phandle = get_node_phandle(dt, refnode);
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*((fdt32_t *)(prop->val.val + m->offset)) = cpu_to_fdt32(phandle);
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reference_node(refnode);
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}
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}
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}
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@ -609,11 +616,21 @@ static void fixup_path_references(struct check *c, struct dt_info *dti,
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path = refnode->fullpath;
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prop->val = data_insert_at_marker(prop->val, m, path,
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strlen(path) + 1);
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reference_node(refnode);
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}
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}
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}
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ERROR(path_references, fixup_path_references, NULL, &duplicate_node_names);
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static void fixup_omit_unused_nodes(struct check *c, struct dt_info *dti,
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struct node *node)
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{
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if (node->omit_if_unused && !node->is_referenced)
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delete_node(node);
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}
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ERROR(omit_unused_nodes, fixup_omit_unused_nodes, NULL, &phandle_references, &path_references);
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/*
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* Semantic checks
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*/
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@ -1017,6 +1034,36 @@ static void check_avoid_unnecessary_addr_size(struct check *c, struct dt_info *d
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}
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WARNING(avoid_unnecessary_addr_size, check_avoid_unnecessary_addr_size, NULL, &avoid_default_addr_size);
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static void check_unique_unit_address(struct check *c, struct dt_info *dti,
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struct node *node)
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{
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struct node *childa;
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if (node->addr_cells < 0 || node->size_cells < 0)
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return;
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if (!node->children)
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return;
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for_each_child(node, childa) {
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struct node *childb;
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const char *addr_a = get_unitname(childa);
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if (!strlen(addr_a))
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continue;
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for_each_child(node, childb) {
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const char *addr_b = get_unitname(childb);
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if (childa == childb)
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break;
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if (streq(addr_a, addr_b))
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FAIL(c, dti, childb, "duplicate unit-address (also used in node %s)", childa->fullpath);
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}
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}
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}
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WARNING(unique_unit_address, check_unique_unit_address, NULL, &avoid_default_addr_size);
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static void check_obsolete_chosen_interrupt_controller(struct check *c,
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struct dt_info *dti,
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struct node *node)
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@ -1357,6 +1404,152 @@ static void check_interrupts_property(struct check *c,
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}
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WARNING(interrupts_property, check_interrupts_property, &phandle_references);
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static const struct bus_type graph_port_bus = {
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.name = "graph-port",
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};
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static const struct bus_type graph_ports_bus = {
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.name = "graph-ports",
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};
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static void check_graph_nodes(struct check *c, struct dt_info *dti,
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struct node *node)
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{
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struct node *child;
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for_each_child(node, child) {
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if (!(strprefixeq(child->name, child->basenamelen, "endpoint") ||
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get_property(child, "remote-endpoint")))
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continue;
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node->bus = &graph_port_bus;
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/* The parent of 'port' nodes can be either 'ports' or a device */
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if (!node->parent->bus &&
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(streq(node->parent->name, "ports") || get_property(node, "reg")))
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node->parent->bus = &graph_ports_bus;
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break;
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}
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}
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WARNING(graph_nodes, check_graph_nodes, NULL);
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static void check_graph_child_address(struct check *c, struct dt_info *dti,
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struct node *node)
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{
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int cnt = 0;
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struct node *child;
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if (node->bus != &graph_ports_bus && node->bus != &graph_port_bus)
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return;
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for_each_child(node, child) {
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struct property *prop = get_property(child, "reg");
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/* No error if we have any non-zero unit address */
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if (prop && propval_cell(prop) != 0)
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return;
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cnt++;
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}
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if (cnt == 1 && node->addr_cells != -1)
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FAIL(c, dti, node, "graph node has single child node '%s', #address-cells/#size-cells are not necessary",
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node->children->name);
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}
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WARNING(graph_child_address, check_graph_child_address, NULL, &graph_nodes);
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static void check_graph_reg(struct check *c, struct dt_info *dti,
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struct node *node)
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{
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char unit_addr[9];
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const char *unitname = get_unitname(node);
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struct property *prop;
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prop = get_property(node, "reg");
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if (!prop || !unitname)
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return;
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if (!(prop->val.val && prop->val.len == sizeof(cell_t))) {
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FAIL(c, dti, node, "graph node malformed 'reg' property");
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return;
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}
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snprintf(unit_addr, sizeof(unit_addr), "%x", propval_cell(prop));
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if (!streq(unitname, unit_addr))
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FAIL(c, dti, node, "graph node unit address error, expected \"%s\"",
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unit_addr);
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if (node->parent->addr_cells != 1)
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FAIL_PROP(c, dti, node, get_property(node, "#address-cells"),
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"graph node '#address-cells' is %d, must be 1",
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node->parent->addr_cells);
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if (node->parent->size_cells != 0)
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FAIL_PROP(c, dti, node, get_property(node, "#size-cells"),
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"graph node '#size-cells' is %d, must be 0",
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node->parent->size_cells);
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}
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static void check_graph_port(struct check *c, struct dt_info *dti,
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struct node *node)
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{
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if (node->bus != &graph_port_bus)
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return;
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if (!strprefixeq(node->name, node->basenamelen, "port"))
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FAIL(c, dti, node, "graph port node name should be 'port'");
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check_graph_reg(c, dti, node);
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}
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WARNING(graph_port, check_graph_port, NULL, &graph_nodes);
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static struct node *get_remote_endpoint(struct check *c, struct dt_info *dti,
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struct node *endpoint)
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{
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int phandle;
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struct node *node;
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struct property *prop;
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prop = get_property(endpoint, "remote-endpoint");
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if (!prop)
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return NULL;
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phandle = propval_cell(prop);
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/* Give up if this is an overlay with external references */
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if (phandle == 0 || phandle == -1)
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return NULL;
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node = get_node_by_phandle(dti->dt, phandle);
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if (!node)
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FAIL_PROP(c, dti, endpoint, prop, "graph phandle is not valid");
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return node;
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}
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static void check_graph_endpoint(struct check *c, struct dt_info *dti,
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struct node *node)
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{
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struct node *remote_node;
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if (!node->parent || node->parent->bus != &graph_port_bus)
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return;
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if (!strprefixeq(node->name, node->basenamelen, "endpoint"))
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FAIL(c, dti, node, "graph endpont node name should be 'endpoint'");
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check_graph_reg(c, dti, node);
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remote_node = get_remote_endpoint(c, dti, node);
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if (!remote_node)
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return;
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if (get_remote_endpoint(c, dti, remote_node) != node)
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FAIL(c, dti, node, "graph connection to node '%s' is not bidirectional",
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remote_node->fullpath);
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}
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WARNING(graph_endpoint, check_graph_endpoint, NULL, &graph_nodes);
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static struct check *check_table[] = {
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&duplicate_node_names, &duplicate_property_names,
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&node_name_chars, &node_name_format, &property_name_chars,
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@ -1366,6 +1559,7 @@ static struct check *check_table[] = {
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&explicit_phandles,
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&phandle_references, &path_references,
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&omit_unused_nodes,
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&address_cells_is_cell, &size_cells_is_cell, &interrupt_cells_is_cell,
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&device_type_is_string, &model_is_string, &status_is_string,
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@ -1390,6 +1584,7 @@ static struct check *check_table[] = {
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&avoid_default_addr_size,
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&avoid_unnecessary_addr_size,
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&unique_unit_address,
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&obsolete_chosen_interrupt_controller,
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&chosen_node_is_root, &chosen_node_bootargs, &chosen_node_stdout_path,
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@ -1416,6 +1611,8 @@ static struct check *check_table[] = {
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&alias_paths,
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&graph_nodes, &graph_child_address, &graph_port, &graph_endpoint,
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&always_fail,
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};
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@ -153,6 +153,13 @@ static void PRINTF(1, 2) lexical_error(const char *fmt, ...);
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return DT_DEL_NODE;
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}
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<*>"/omit-if-no-ref/" {
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DPRINT("Keyword: /omit-if-no-ref/\n");
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DPRINT("<PROPNODENAME>\n");
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BEGIN(PROPNODENAME);
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return DT_OMIT_NO_REF;
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}
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<*>{LABEL}: {
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DPRINT("Label: %s\n", yytext);
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yylval.labelref = xstrdup(yytext);
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@ -63,6 +63,7 @@ extern bool treesource_error;
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%token DT_BITS
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%token DT_DEL_PROP
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%token DT_DEL_NODE
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%token DT_OMIT_NO_REF
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%token <propnodename> DT_PROPNODENAME
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%token <integer> DT_LITERAL
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%token <integer> DT_CHAR_LITERAL
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@ -190,18 +191,18 @@ devicetree:
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}
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| devicetree DT_REF nodedef
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{
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struct node *target = get_node_by_ref($1, $2);
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if (target) {
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merge_nodes(target, $3);
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/*
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* We rely on the rule being always:
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* versioninfo plugindecl memreserves devicetree
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* so $-1 is what we want (plugindecl)
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*/
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if ($<flags>-1 & DTSF_PLUGIN) {
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add_orphan_node($1, $3, $2);
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} else {
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/*
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* We rely on the rule being always:
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* versioninfo plugindecl memreserves devicetree
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* so $-1 is what we want (plugindecl)
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*/
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if ($<flags>-1 & DTSF_PLUGIN)
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add_orphan_node($1, $3, $2);
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struct node *target = get_node_by_ref($1, $2);
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if (target)
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merge_nodes(target, $3);
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else
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ERROR(&@2, "Label or path %s not found", $2);
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}
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@ -217,6 +218,18 @@ devicetree:
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ERROR(&@3, "Label or path %s not found", $3);
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$$ = $1;
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}
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| devicetree DT_OMIT_NO_REF DT_REF ';'
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{
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struct node *target = get_node_by_ref($1, $3);
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if (target)
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omit_node_if_unused(target);
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else
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ERROR(&@3, "Label or path %s not found", $3);
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$$ = $1;
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}
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;
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@ -523,6 +536,10 @@ subnode:
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{
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$$ = name_node(build_node_delete(), $2);
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}
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| DT_OMIT_NO_REF subnode
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{
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$$ = omit_node_if_unused($2);
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}
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| DT_LABEL subnode
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{
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add_label(&$2->labels, $1);
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@ -168,6 +168,8 @@ struct node {
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struct label *labels;
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const struct bus_type *bus;
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bool omit_if_unused, is_referenced;
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};
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#define for_each_label_withdel(l0, l) \
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@ -202,6 +204,8 @@ struct property *reverse_properties(struct property *first);
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struct node *build_node(struct property *proplist, struct node *children);
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struct node *build_node_delete(void);
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struct node *name_node(struct node *node, char *name);
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struct node *omit_node_if_unused(struct node *node);
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struct node *reference_node(struct node *node);
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struct node *chain_node(struct node *first, struct node *list);
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struct node *merge_nodes(struct node *old_node, struct node *new_node);
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struct node *add_orphan_node(struct node *old_node, struct node *new_node, char *ref);
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@ -134,6 +134,20 @@ struct node *name_node(struct node *node, char *name)
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return node;
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}
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struct node *omit_node_if_unused(struct node *node)
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{
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node->omit_if_unused = 1;
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return node;
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}
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struct node *reference_node(struct node *node)
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{
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node->is_referenced = 1;
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return node;
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}
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struct node *merge_nodes(struct node *old_node, struct node *new_node)
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{
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struct property *new_prop, *old_prop;
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@ -224,10 +238,16 @@ struct node * add_orphan_node(struct node *dt, struct node *new_node, char *ref)
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struct data d = empty_data;
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char *name;
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d = data_add_marker(d, REF_PHANDLE, ref);
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d = data_append_integer(d, 0xffffffff, 32);
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if (ref[0] == '/') {
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d = data_append_data(d, ref, strlen(ref) + 1);
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p = build_property("target", d);
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p = build_property("target-path", d);
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} else {
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d = data_add_marker(d, REF_PHANDLE, ref);
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d = data_append_integer(d, 0xffffffff, 32);
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p = build_property("target", d);
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}
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xasprintf(&name, "fragment@%u",
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next_orphan_fragment++);
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@ -1 +1 @@
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#define DTC_VERSION "DTC 1.4.6-gaadd0b65"
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#define DTC_VERSION "DTC 1.4.6-g84e414b0"
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