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-rw-r--r--scripts/dtc/checks.c439
1 files changed, 290 insertions, 149 deletions
diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c
index e66138449886..c07ba4da9e36 100644
--- a/scripts/dtc/checks.c
+++ b/scripts/dtc/checks.c
@@ -53,26 +53,28 @@ struct check {
struct check **prereq;
};
-#define CHECK_ENTRY(_nm, _fn, _d, _w, _e, ...) \
- static struct check *_nm##_prereqs[] = { __VA_ARGS__ }; \
- static struct check _nm = { \
- .name = #_nm, \
- .fn = (_fn), \
- .data = (_d), \
- .warn = (_w), \
- .error = (_e), \
+#define CHECK_ENTRY(nm_, fn_, d_, w_, e_, ...) \
+ static struct check *nm_##_prereqs[] = { __VA_ARGS__ }; \
+ static struct check nm_ = { \
+ .name = #nm_, \
+ .fn = (fn_), \
+ .data = (d_), \
+ .warn = (w_), \
+ .error = (e_), \
.status = UNCHECKED, \
- .num_prereqs = ARRAY_SIZE(_nm##_prereqs), \
- .prereq = _nm##_prereqs, \
+ .num_prereqs = ARRAY_SIZE(nm_##_prereqs), \
+ .prereq = nm_##_prereqs, \
};
-#define WARNING(_nm, _fn, _d, ...) \
- CHECK_ENTRY(_nm, _fn, _d, true, false, __VA_ARGS__)
-#define ERROR(_nm, _fn, _d, ...) \
- CHECK_ENTRY(_nm, _fn, _d, false, true, __VA_ARGS__)
-#define CHECK(_nm, _fn, _d, ...) \
- CHECK_ENTRY(_nm, _fn, _d, false, false, __VA_ARGS__)
-
-static inline void PRINTF(3, 4) check_msg(struct check *c, struct dt_info *dti,
+#define WARNING(nm_, fn_, d_, ...) \
+ CHECK_ENTRY(nm_, fn_, d_, true, false, __VA_ARGS__)
+#define ERROR(nm_, fn_, d_, ...) \
+ CHECK_ENTRY(nm_, fn_, d_, false, true, __VA_ARGS__)
+#define CHECK(nm_, fn_, d_, ...) \
+ CHECK_ENTRY(nm_, fn_, d_, false, false, __VA_ARGS__)
+
+static inline void PRINTF(5, 6) check_msg(struct check *c, struct dt_info *dti,
+ struct node *node,
+ struct property *prop,
const char *fmt, ...)
{
va_list ap;
@@ -83,19 +85,33 @@ static inline void PRINTF(3, 4) check_msg(struct check *c, struct dt_info *dti,
fprintf(stderr, "%s: %s (%s): ",
strcmp(dti->outname, "-") ? dti->outname : "<stdout>",
(c->error) ? "ERROR" : "Warning", c->name);
+ if (node) {
+ fprintf(stderr, "%s", node->fullpath);
+ if (prop)
+ fprintf(stderr, ":%s", prop->name);
+ fputs(": ", stderr);
+ }
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
}
va_end(ap);
}
-#define FAIL(c, dti, ...) \
+#define FAIL(c, dti, node, ...) \
+ do { \
+ TRACE((c), "\t\tFAILED at %s:%d", __FILE__, __LINE__); \
+ (c)->status = FAILED; \
+ check_msg((c), dti, node, NULL, __VA_ARGS__); \
+ } while (0)
+
+#define FAIL_PROP(c, dti, node, prop, ...) \
do { \
TRACE((c), "\t\tFAILED at %s:%d", __FILE__, __LINE__); \
(c)->status = FAILED; \
- check_msg((c), dti, __VA_ARGS__); \
+ check_msg((c), dti, node, prop, __VA_ARGS__); \
} while (0)
+
static void check_nodes_props(struct check *c, struct dt_info *dti, struct node *node)
{
struct node *child;
@@ -126,7 +142,7 @@ static bool run_check(struct check *c, struct dt_info *dti)
error = error || run_check(prq, dti);
if (prq->status != PASSED) {
c->status = PREREQ;
- check_msg(c, dti, "Failed prerequisite '%s'",
+ check_msg(c, dti, NULL, NULL, "Failed prerequisite '%s'",
c->prereq[i]->name);
}
}
@@ -156,7 +172,7 @@ out:
static inline void check_always_fail(struct check *c, struct dt_info *dti,
struct node *node)
{
- FAIL(c, dti, "always_fail check");
+ FAIL(c, dti, node, "always_fail check");
}
CHECK(always_fail, check_always_fail, NULL);
@@ -171,14 +187,42 @@ static void check_is_string(struct check *c, struct dt_info *dti,
return; /* Not present, assumed ok */
if (!data_is_one_string(prop->val))
- FAIL(c, dti, "\"%s\" property in %s is not a string",
- propname, node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "property is not a string");
}
#define WARNING_IF_NOT_STRING(nm, propname) \
WARNING(nm, check_is_string, (propname))
#define ERROR_IF_NOT_STRING(nm, propname) \
ERROR(nm, check_is_string, (propname))
+static void check_is_string_list(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ int rem, l;
+ struct property *prop;
+ char *propname = c->data;
+ char *str;
+
+ prop = get_property(node, propname);
+ if (!prop)
+ return; /* Not present, assumed ok */
+
+ str = prop->val.val;
+ rem = prop->val.len;
+ while (rem > 0) {
+ l = strnlen(str, rem);
+ if (l == rem) {
+ FAIL_PROP(c, dti, node, prop, "property is not a string list");
+ break;
+ }
+ rem -= l + 1;
+ str += l + 1;
+ }
+}
+#define WARNING_IF_NOT_STRING_LIST(nm, propname) \
+ WARNING(nm, check_is_string_list, (propname))
+#define ERROR_IF_NOT_STRING_LIST(nm, propname) \
+ ERROR(nm, check_is_string_list, (propname))
+
static void check_is_cell(struct check *c, struct dt_info *dti,
struct node *node)
{
@@ -190,8 +234,7 @@ static void check_is_cell(struct check *c, struct dt_info *dti,
return; /* Not present, assumed ok */
if (prop->val.len != sizeof(cell_t))
- FAIL(c, dti, "\"%s\" property in %s is not a single cell",
- propname, node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "property is not a single cell");
}
#define WARNING_IF_NOT_CELL(nm, propname) \
WARNING(nm, check_is_cell, (propname))
@@ -212,8 +255,7 @@ static void check_duplicate_node_names(struct check *c, struct dt_info *dti,
child2;
child2 = child2->next_sibling)
if (streq(child->name, child2->name))
- FAIL(c, dti, "Duplicate node name %s",
- child->fullpath);
+ FAIL(c, dti, node, "Duplicate node name");
}
ERROR(duplicate_node_names, check_duplicate_node_names, NULL);
@@ -227,8 +269,7 @@ static void check_duplicate_property_names(struct check *c, struct dt_info *dti,
if (prop2->deleted)
continue;
if (streq(prop->name, prop2->name))
- FAIL(c, dti, "Duplicate property name %s in %s",
- prop->name, node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "Duplicate property name");
}
}
}
@@ -246,8 +287,8 @@ static void check_node_name_chars(struct check *c, struct dt_info *dti,
int n = strspn(node->name, c->data);
if (n < strlen(node->name))
- FAIL(c, dti, "Bad character '%c' in node %s",
- node->name[n], node->fullpath);
+ FAIL(c, dti, node, "Bad character '%c' in node name",
+ node->name[n]);
}
ERROR(node_name_chars, check_node_name_chars, PROPNODECHARS "@");
@@ -257,8 +298,8 @@ static void check_node_name_chars_strict(struct check *c, struct dt_info *dti,
int n = strspn(node->name, c->data);
if (n < node->basenamelen)
- FAIL(c, dti, "Character '%c' not recommended in node %s",
- node->name[n], node->fullpath);
+ FAIL(c, dti, node, "Character '%c' not recommended in node name",
+ node->name[n]);
}
CHECK(node_name_chars_strict, check_node_name_chars_strict, PROPNODECHARSSTRICT);
@@ -266,8 +307,7 @@ static void check_node_name_format(struct check *c, struct dt_info *dti,
struct node *node)
{
if (strchr(get_unitname(node), '@'))
- FAIL(c, dti, "Node %s has multiple '@' characters in name",
- node->fullpath);
+ FAIL(c, dti, node, "multiple '@' characters in node name");
}
ERROR(node_name_format, check_node_name_format, NULL, &node_name_chars);
@@ -285,12 +325,10 @@ static void check_unit_address_vs_reg(struct check *c, struct dt_info *dti,
if (prop) {
if (!unitname[0])
- FAIL(c, dti, "Node %s has a reg or ranges property, but no unit name",
- node->fullpath);
+ FAIL(c, dti, node, "node has a reg or ranges property, but no unit name");
} else {
if (unitname[0])
- FAIL(c, dti, "Node %s has a unit name, but no reg property",
- node->fullpath);
+ FAIL(c, dti, node, "node has a unit name, but no reg property");
}
}
WARNING(unit_address_vs_reg, check_unit_address_vs_reg, NULL);
@@ -304,8 +342,8 @@ static void check_property_name_chars(struct check *c, struct dt_info *dti,
int n = strspn(prop->name, c->data);
if (n < strlen(prop->name))
- FAIL(c, dti, "Bad character '%c' in property name \"%s\", node %s",
- prop->name[n], prop->name, node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "Bad character '%c' in property name",
+ prop->name[n]);
}
}
ERROR(property_name_chars, check_property_name_chars, PROPNODECHARS);
@@ -336,8 +374,8 @@ static void check_property_name_chars_strict(struct check *c,
n = strspn(name, c->data);
}
if (n < strlen(name))
- FAIL(c, dti, "Character '%c' not recommended in property name \"%s\", node %s",
- name[n], prop->name, node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "Character '%c' not recommended in property name",
+ name[n]);
}
}
CHECK(property_name_chars_strict, check_property_name_chars_strict, PROPNODECHARSSTRICT);
@@ -370,7 +408,7 @@ static void check_duplicate_label(struct check *c, struct dt_info *dti,
return;
if ((othernode != node) || (otherprop != prop) || (othermark != mark))
- FAIL(c, dti, "Duplicate label '%s' on " DESCLABEL_FMT
+ FAIL(c, dti, node, "Duplicate label '%s' on " DESCLABEL_FMT
" and " DESCLABEL_FMT,
label, DESCLABEL_ARGS(node, prop, mark),
DESCLABEL_ARGS(othernode, otherprop, othermark));
@@ -410,8 +448,8 @@ static cell_t check_phandle_prop(struct check *c, struct dt_info *dti,
return 0;
if (prop->val.len != sizeof(cell_t)) {
- FAIL(c, dti, "%s has bad length (%d) %s property",
- node->fullpath, prop->val.len, prop->name);
+ FAIL_PROP(c, dti, node, prop, "bad length (%d) %s property",
+ prop->val.len, prop->name);
return 0;
}
@@ -422,8 +460,8 @@ static cell_t check_phandle_prop(struct check *c, struct dt_info *dti,
/* "Set this node's phandle equal to some
* other node's phandle". That's nonsensical
* by construction. */ {
- FAIL(c, dti, "%s in %s is a reference to another node",
- prop->name, node->fullpath);
+ FAIL(c, dti, node, "%s is a reference to another node",
+ prop->name);
}
/* But setting this node's phandle equal to its own
* phandle is allowed - that means allocate a unique
@@ -436,8 +474,8 @@ static cell_t check_phandle_prop(struct check *c, struct dt_info *dti,
phandle = propval_cell(prop);
if ((phandle == 0) || (phandle == -1)) {
- FAIL(c, dti, "%s has bad value (0x%x) in %s property",
- node->fullpath, phandle, prop->name);
+ FAIL_PROP(c, dti, node, prop, "bad value (0x%x) in %s property",
+ phandle, prop->name);
return 0;
}
@@ -463,16 +501,16 @@ static void check_explicit_phandles(struct check *c, struct dt_info *dti,
return;
if (linux_phandle && phandle && (phandle != linux_phandle))
- FAIL(c, dti, "%s has mismatching 'phandle' and 'linux,phandle'"
- " properties", node->fullpath);
+ FAIL(c, dti, node, "mismatching 'phandle' and 'linux,phandle'"
+ " properties");
if (linux_phandle && !phandle)
phandle = linux_phandle;
other = get_node_by_phandle(root, phandle);
if (other && (other != node)) {
- FAIL(c, dti, "%s has duplicated phandle 0x%x (seen before at %s)",
- node->fullpath, phandle, other->fullpath);
+ FAIL(c, dti, node, "duplicated phandle 0x%x (seen before at %s)",
+ phandle, other->fullpath);
return;
}
@@ -496,8 +534,8 @@ static void check_name_properties(struct check *c, struct dt_info *dti,
if ((prop->val.len != node->basenamelen+1)
|| (memcmp(prop->val.val, node->name, node->basenamelen) != 0)) {
- FAIL(c, dti, "\"name\" property in %s is incorrect (\"%s\" instead"
- " of base node name)", node->fullpath, prop->val.val);
+ FAIL(c, dti, node, "\"name\" property is incorrect (\"%s\" instead"
+ " of base node name)", prop->val.val);
} else {
/* The name property is correct, and therefore redundant.
* Delete it */
@@ -531,7 +569,7 @@ static void fixup_phandle_references(struct check *c, struct dt_info *dti,
refnode = get_node_by_ref(dt, m->ref);
if (! refnode) {
if (!(dti->dtsflags & DTSF_PLUGIN))
- FAIL(c, dti, "Reference to non-existent node or "
+ FAIL(c, dti, node, "Reference to non-existent node or "
"label \"%s\"\n", m->ref);
else /* mark the entry as unresolved */
*((fdt32_t *)(prop->val.val + m->offset)) =
@@ -563,7 +601,7 @@ static void fixup_path_references(struct check *c, struct dt_info *dti,
refnode = get_node_by_ref(dt, m->ref);
if (!refnode) {
- FAIL(c, dti, "Reference to non-existent node or label \"%s\"\n",
+ FAIL(c, dti, node, "Reference to non-existent node or label \"%s\"\n",
m->ref);
continue;
}
@@ -586,6 +624,45 @@ WARNING_IF_NOT_CELL(interrupt_cells_is_cell, "#interrupt-cells");
WARNING_IF_NOT_STRING(device_type_is_string, "device_type");
WARNING_IF_NOT_STRING(model_is_string, "model");
WARNING_IF_NOT_STRING(status_is_string, "status");
+WARNING_IF_NOT_STRING(label_is_string, "label");
+
+WARNING_IF_NOT_STRING_LIST(compatible_is_string_list, "compatible");
+
+static void check_names_is_string_list(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ for_each_property(node, prop) {
+ const char *s = strrchr(prop->name, '-');
+ if (!s || !streq(s, "-names"))
+ continue;
+
+ c->data = prop->name;
+ check_is_string_list(c, dti, node);
+ }
+}
+WARNING(names_is_string_list, check_names_is_string_list, NULL);
+
+static void check_alias_paths(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ if (!streq(node->name, "aliases"))
+ return;
+
+ for_each_property(node, prop) {
+ if (!prop->val.val || !get_node_by_path(dti->dt, prop->val.val)) {
+ FAIL_PROP(c, dti, node, prop, "aliases property is not a valid node (%s)",
+ prop->val.val);
+ continue;
+ }
+ if (strspn(prop->name, LOWERCASE DIGITS "-") != strlen(prop->name))
+ FAIL(c, dti, node, "aliases property name must include only lowercase and '-'");
+ }
+}
+WARNING(alias_paths, check_alias_paths, NULL);
static void fixup_addr_size_cells(struct check *c, struct dt_info *dti,
struct node *node)
@@ -622,21 +699,21 @@ static void check_reg_format(struct check *c, struct dt_info *dti,
return; /* No "reg", that's fine */
if (!node->parent) {
- FAIL(c, dti, "Root node has a \"reg\" property");
+ FAIL(c, dti, node, "Root node has a \"reg\" property");
return;
}
if (prop->val.len == 0)
- FAIL(c, dti, "\"reg\" property in %s is empty", node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "property is empty");
addr_cells = node_addr_cells(node->parent);
size_cells = node_size_cells(node->parent);
entrylen = (addr_cells + size_cells) * sizeof(cell_t);
if (!entrylen || (prop->val.len % entrylen) != 0)
- FAIL(c, dti, "\"reg\" property in %s has invalid length (%d bytes) "
- "(#address-cells == %d, #size-cells == %d)",
- node->fullpath, prop->val.len, addr_cells, size_cells);
+ FAIL_PROP(c, dti, node, prop, "property has invalid length (%d bytes) "
+ "(#address-cells == %d, #size-cells == %d)",
+ prop->val.len, addr_cells, size_cells);
}
WARNING(reg_format, check_reg_format, NULL, &addr_size_cells);
@@ -651,7 +728,7 @@ static void check_ranges_format(struct check *c, struct dt_info *dti,
return;
if (!node->parent) {
- FAIL(c, dti, "Root node has a \"ranges\" property");
+ FAIL_PROP(c, dti, node, prop, "Root node has a \"ranges\" property");
return;
}
@@ -663,20 +740,20 @@ static void check_ranges_format(struct check *c, struct dt_info *dti,
if (prop->val.len == 0) {
if (p_addr_cells != c_addr_cells)
- FAIL(c, dti, "%s has empty \"ranges\" property but its "
- "#address-cells (%d) differs from %s (%d)",
- node->fullpath, c_addr_cells, node->parent->fullpath,
- p_addr_cells);
+ FAIL_PROP(c, dti, node, prop, "empty \"ranges\" property but its "
+ "#address-cells (%d) differs from %s (%d)",
+ c_addr_cells, node->parent->fullpath,
+ p_addr_cells);
if (p_size_cells != c_size_cells)
- FAIL(c, dti, "%s has empty \"ranges\" property but its "
- "#size-cells (%d) differs from %s (%d)",
- node->fullpath, c_size_cells, node->parent->fullpath,
- p_size_cells);
+ FAIL_PROP(c, dti, node, prop, "empty \"ranges\" property but its "
+ "#size-cells (%d) differs from %s (%d)",
+ c_size_cells, node->parent->fullpath,
+ p_size_cells);
} else if ((prop->val.len % entrylen) != 0) {
- FAIL(c, dti, "\"ranges\" property in %s has invalid length (%d bytes) "
- "(parent #address-cells == %d, child #address-cells == %d, "
- "#size-cells == %d)", node->fullpath, prop->val.len,
- p_addr_cells, c_addr_cells, c_size_cells);
+ FAIL_PROP(c, dti, node, prop, "\"ranges\" property has invalid length (%d bytes) "
+ "(parent #address-cells == %d, child #address-cells == %d, "
+ "#size-cells == %d)", prop->val.len,
+ p_addr_cells, c_addr_cells, c_size_cells);
}
}
WARNING(ranges_format, check_ranges_format, NULL, &addr_size_cells);
@@ -696,41 +773,33 @@ static void check_pci_bridge(struct check *c, struct dt_info *dti, struct node *
node->bus = &pci_bus;
- if (!strneq(node->name, "pci", node->basenamelen) &&
- !strneq(node->name, "pcie", node->basenamelen))
- FAIL(c, dti, "Node %s node name is not \"pci\" or \"pcie\"",
- node->fullpath);
+ if (!strprefixeq(node->name, node->basenamelen, "pci") &&
+ !strprefixeq(node->name, node->basenamelen, "pcie"))
+ FAIL(c, dti, node, "node name is not \"pci\" or \"pcie\"");
prop = get_property(node, "ranges");
if (!prop)
- FAIL(c, dti, "Node %s missing ranges for PCI bridge (or not a bridge)",
- node->fullpath);
+ FAIL(c, dti, node, "missing ranges for PCI bridge (or not a bridge)");
if (node_addr_cells(node) != 3)
- FAIL(c, dti, "Node %s incorrect #address-cells for PCI bridge",
- node->fullpath);
+ FAIL(c, dti, node, "incorrect #address-cells for PCI bridge");
if (node_size_cells(node) != 2)
- FAIL(c, dti, "Node %s incorrect #size-cells for PCI bridge",
- node->fullpath);
+ FAIL(c, dti, node, "incorrect #size-cells for PCI bridge");
prop = get_property(node, "bus-range");
if (!prop) {
- FAIL(c, dti, "Node %s missing bus-range for PCI bridge",
- node->fullpath);
+ FAIL(c, dti, node, "missing bus-range for PCI bridge");
return;
}
if (prop->val.len != (sizeof(cell_t) * 2)) {
- FAIL(c, dti, "Node %s bus-range must be 2 cells",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "value must be 2 cells");
return;
}
cells = (cell_t *)prop->val.val;
if (fdt32_to_cpu(cells[0]) > fdt32_to_cpu(cells[1]))
- FAIL(c, dti, "Node %s bus-range 1st cell must be less than or equal to 2nd cell",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "1st cell must be less than or equal to 2nd cell");
if (fdt32_to_cpu(cells[1]) > 0xff)
- FAIL(c, dti, "Node %s bus-range maximum bus number must be less than 256",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "maximum bus number must be less than 256");
}
WARNING(pci_bridge, check_pci_bridge, NULL,
&device_type_is_string, &addr_size_cells);
@@ -760,8 +829,8 @@ static void check_pci_device_bus_num(struct check *c, struct dt_info *dti, struc
max_bus = fdt32_to_cpu(cells[0]);
}
if ((bus_num < min_bus) || (bus_num > max_bus))
- FAIL(c, dti, "Node %s PCI bus number %d out of range, expected (%d - %d)",
- node->fullpath, bus_num, min_bus, max_bus);
+ FAIL_PROP(c, dti, node, prop, "PCI bus number %d out of range, expected (%d - %d)",
+ bus_num, min_bus, max_bus);
}
WARNING(pci_device_bus_num, check_pci_device_bus_num, NULL, &reg_format, &pci_bridge);
@@ -778,25 +847,22 @@ static void check_pci_device_reg(struct check *c, struct dt_info *dti, struct no
prop = get_property(node, "reg");
if (!prop) {
- FAIL(c, dti, "Node %s missing PCI reg property", node->fullpath);
+ FAIL(c, dti, node, "missing PCI reg property");
return;
}
cells = (cell_t *)prop->val.val;
if (cells[1] || cells[2])
- FAIL(c, dti, "Node %s PCI reg config space address cells 2 and 3 must be 0",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "PCI reg config space address cells 2 and 3 must be 0");
reg = fdt32_to_cpu(cells[0]);
dev = (reg & 0xf800) >> 11;
func = (reg & 0x700) >> 8;
if (reg & 0xff000000)
- FAIL(c, dti, "Node %s PCI reg address is not configuration space",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "PCI reg address is not configuration space");
if (reg & 0x000000ff)
- FAIL(c, dti, "Node %s PCI reg config space address register number must be 0",
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop, "PCI reg config space address register number must be 0");
if (func == 0) {
snprintf(unit_addr, sizeof(unit_addr), "%x", dev);
@@ -808,8 +874,8 @@ static void check_pci_device_reg(struct check *c, struct dt_info *dti, struct no
if (streq(unitname, unit_addr))
return;
- FAIL(c, dti, "Node %s PCI unit address format error, expected \"%s\"",
- node->fullpath, unit_addr);
+ FAIL(c, dti, node, "PCI unit address format error, expected \"%s\"",
+ unit_addr);
}
WARNING(pci_device_reg, check_pci_device_reg, NULL, &reg_format, &pci_bridge);
@@ -828,7 +894,7 @@ static bool node_is_compatible(struct node *node, const char *compat)
for (str = prop->val.val, end = str + prop->val.len; str < end;
str += strnlen(str, end - str) + 1) {
- if (strneq(str, compat, end - str))
+ if (strprefixeq(str, end - str, compat))
return true;
}
return false;
@@ -865,7 +931,7 @@ static void check_simple_bus_reg(struct check *c, struct dt_info *dti, struct no
if (!cells) {
if (node->parent->parent && !(node->bus == &simple_bus))
- FAIL(c, dti, "Node %s missing or empty reg/ranges property", node->fullpath);
+ FAIL(c, dti, node, "missing or empty reg/ranges property");
return;
}
@@ -875,8 +941,8 @@ static void check_simple_bus_reg(struct check *c, struct dt_info *dti, struct no
snprintf(unit_addr, sizeof(unit_addr), "%"PRIx64, reg);
if (!streq(unitname, unit_addr))
- FAIL(c, dti, "Node %s simple-bus unit address format error, expected \"%s\"",
- node->fullpath, unit_addr);
+ FAIL(c, dti, node, "simple-bus unit address format error, expected \"%s\"",
+ unit_addr);
}
WARNING(simple_bus_reg, check_simple_bus_reg, NULL, &reg_format, &simple_bus_bridge);
@@ -892,14 +958,12 @@ static void check_unit_address_format(struct check *c, struct dt_info *dti,
return;
if (!strncmp(unitname, "0x", 2)) {
- FAIL(c, dti, "Node %s unit name should not have leading \"0x\"",
- node->fullpath);
+ FAIL(c, dti, node, "unit name should not have leading \"0x\"");
/* skip over 0x for next test */
unitname += 2;
}
if (unitname[0] == '0' && isxdigit(unitname[1]))
- FAIL(c, dti, "Node %s unit name should not have leading 0s",
- node->fullpath);
+ FAIL(c, dti, node, "unit name should not have leading 0s");
}
WARNING(unit_address_format, check_unit_address_format, NULL,
&node_name_format, &pci_bridge, &simple_bus_bridge);
@@ -922,16 +986,38 @@ static void check_avoid_default_addr_size(struct check *c, struct dt_info *dti,
return;
if (node->parent->addr_cells == -1)
- FAIL(c, dti, "Relying on default #address-cells value for %s",
- node->fullpath);
+ FAIL(c, dti, node, "Relying on default #address-cells value");
if (node->parent->size_cells == -1)
- FAIL(c, dti, "Relying on default #size-cells value for %s",
- node->fullpath);
+ FAIL(c, dti, node, "Relying on default #size-cells value");
}
WARNING(avoid_default_addr_size, check_avoid_default_addr_size, NULL,
&addr_size_cells);
+static void check_avoid_unnecessary_addr_size(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+ struct node *child;
+ bool has_reg = false;
+
+ if (!node->parent || node->addr_cells < 0 || node->size_cells < 0)
+ return;
+
+ if (get_property(node, "ranges") || !node->children)
+ return;
+
+ for_each_child(node, child) {
+ prop = get_property(child, "reg");
+ if (prop)
+ has_reg = true;
+ }
+
+ if (!has_reg)
+ FAIL(c, dti, node, "unnecessary #address-cells/#size-cells without \"ranges\" or child \"reg\" property");
+}
+WARNING(avoid_unnecessary_addr_size, check_avoid_unnecessary_addr_size, NULL, &avoid_default_addr_size);
+
static void check_obsolete_chosen_interrupt_controller(struct check *c,
struct dt_info *dti,
struct node *node)
@@ -950,12 +1036,61 @@ static void check_obsolete_chosen_interrupt_controller(struct check *c,
prop = get_property(chosen, "interrupt-controller");
if (prop)
- FAIL(c, dti, "/chosen has obsolete \"interrupt-controller\" "
- "property");
+ FAIL_PROP(c, dti, node, prop,
+ "/chosen has obsolete \"interrupt-controller\" property");
}
WARNING(obsolete_chosen_interrupt_controller,
check_obsolete_chosen_interrupt_controller, NULL);
+static void check_chosen_node_is_root(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ if (!streq(node->name, "chosen"))
+ return;
+
+ if (node->parent != dti->dt)
+ FAIL(c, dti, node, "chosen node must be at root node");
+}
+WARNING(chosen_node_is_root, check_chosen_node_is_root, NULL);
+
+static void check_chosen_node_bootargs(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ if (!streq(node->name, "chosen"))
+ return;
+
+ prop = get_property(node, "bootargs");
+ if (!prop)
+ return;
+
+ c->data = prop->name;
+ check_is_string(c, dti, node);
+}
+WARNING(chosen_node_bootargs, check_chosen_node_bootargs, NULL);
+
+static void check_chosen_node_stdout_path(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ struct property *prop;
+
+ if (!streq(node->name, "chosen"))
+ return;
+
+ prop = get_property(node, "stdout-path");
+ if (!prop) {
+ prop = get_property(node, "linux,stdout-path");
+ if (!prop)
+ return;
+ FAIL_PROP(c, dti, node, prop, "Use 'stdout-path' instead");
+ }
+
+ c->data = prop->name;
+ check_is_string(c, dti, node);
+}
+WARNING(chosen_node_stdout_path, check_chosen_node_stdout_path, NULL);
+
struct provider {
const char *prop_name;
const char *cell_name;
@@ -972,8 +1107,9 @@ static void check_property_phandle_args(struct check *c,
int cell, cellsize = 0;
if (prop->val.len % sizeof(cell_t)) {
- FAIL(c, dti, "property '%s' size (%d) is invalid, expected multiple of %zu in node %s",
- prop->name, prop->val.len, sizeof(cell_t), node->fullpath);
+ FAIL_PROP(c, dti, node, prop,
+ "property size (%d) is invalid, expected multiple of %zu",
+ prop->val.len, sizeof(cell_t));
return;
}
@@ -1004,14 +1140,16 @@ static void check_property_phandle_args(struct check *c,
break;
}
if (!m)
- FAIL(c, dti, "Property '%s', cell %d is not a phandle reference in %s",
- prop->name, cell, node->fullpath);
+ FAIL_PROP(c, dti, node, prop,
+ "cell %d is not a phandle reference",
+ cell);
}
provider_node = get_node_by_phandle(root, phandle);
if (!provider_node) {
- FAIL(c, dti, "Could not get phandle node for %s:%s(cell %d)",
- node->fullpath, prop->name, cell);
+ FAIL_PROP(c, dti, node, prop,
+ "Could not get phandle node for (cell %d)",
+ cell);
break;
}
@@ -1021,16 +1159,17 @@ static void check_property_phandle_args(struct check *c,
} else if (provider->optional) {
cellsize = 0;
} else {
- FAIL(c, dti, "Missing property '%s' in node %s or bad phandle (referred from %s:%s[%d])",
+ FAIL(c, dti, node, "Missing property '%s' in node %s or bad phandle (referred from %s[%d])",
provider->cell_name,
provider_node->fullpath,
- node->fullpath, prop->name, cell);
+ prop->name, cell);
break;
}
if (prop->val.len < ((cell + cellsize + 1) * sizeof(cell_t))) {
- FAIL(c, dti, "%s property size (%d) too small for cell size %d in %s",
- prop->name, prop->val.len, cellsize, node->fullpath);
+ FAIL_PROP(c, dti, node, prop,
+ "property size (%d) too small for cell size %d",
+ prop->val.len, cellsize);
}
}
}
@@ -1066,7 +1205,7 @@ WARNING_PROPERTY_PHANDLE_CELLS(phys, "phys", "#phy-cells");
WARNING_PROPERTY_PHANDLE_CELLS(power_domains, "power-domains", "#power-domain-cells");
WARNING_PROPERTY_PHANDLE_CELLS(pwms, "pwms", "#pwm-cells");
WARNING_PROPERTY_PHANDLE_CELLS(resets, "resets", "#reset-cells");
-WARNING_PROPERTY_PHANDLE_CELLS(sound_dais, "sound-dais", "#sound-dai-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(sound_dai, "sound-dai", "#sound-dai-cells");
WARNING_PROPERTY_PHANDLE_CELLS(thermal_sensors, "thermal-sensors", "#thermal-sensor-cells");
static bool prop_is_gpio(struct property *prop)
@@ -1132,8 +1271,8 @@ static void check_deprecated_gpio_property(struct check *c,
if (!streq(str, "gpio"))
continue;
- FAIL(c, dti, "'[*-]gpio' is deprecated, use '[*-]gpios' instead for %s:%s",
- node->fullpath, prop->name);
+ FAIL_PROP(c, dti, node, prop,
+ "'[*-]gpio' is deprecated, use '[*-]gpios' instead");
}
}
@@ -1167,9 +1306,8 @@ static void check_interrupts_property(struct check *c,
return;
if (irq_prop->val.len % sizeof(cell_t))
- FAIL(c, dti, "property '%s' size (%d) is invalid, expected multiple of %zu in node %s",
- irq_prop->name, irq_prop->val.len, sizeof(cell_t),
- node->fullpath);
+ FAIL_PROP(c, dti, node, irq_prop, "size (%d) is invalid, expected multiple of %zu",
+ irq_prop->val.len, sizeof(cell_t));
while (parent && !prop) {
if (parent != node && node_is_interrupt_provider(parent)) {
@@ -1187,14 +1325,12 @@ static void check_interrupts_property(struct check *c,
irq_node = get_node_by_phandle(root, phandle);
if (!irq_node) {
- FAIL(c, dti, "Bad interrupt-parent phandle for %s",
- node->fullpath);
+ FAIL_PROP(c, dti, parent, prop, "Bad phandle");
return;
}
if (!node_is_interrupt_provider(irq_node))
- FAIL(c, dti,
- "Missing interrupt-controller or interrupt-map property in %s",
- irq_node->fullpath);
+ FAIL(c, dti, irq_node,
+ "Missing interrupt-controller or interrupt-map property");
break;
}
@@ -1203,23 +1339,21 @@ static void check_interrupts_property(struct check *c,
}
if (!irq_node) {
- FAIL(c, dti, "Missing interrupt-parent for %s", node->fullpath);
+ FAIL(c, dti, node, "Missing interrupt-parent");
return;
}
prop = get_property(irq_node, "#interrupt-cells");
if (!prop) {
- FAIL(c, dti, "Missing #interrupt-cells in interrupt-parent %s",
- irq_node->fullpath);
+ FAIL(c, dti, irq_node, "Missing #interrupt-cells in interrupt-parent");
return;
}
irq_cells = propval_cell(prop);
if (irq_prop->val.len % (irq_cells * sizeof(cell_t))) {
- FAIL(c, dti,
- "interrupts size is (%d), expected multiple of %d in %s",
- irq_prop->val.len, (int)(irq_cells * sizeof(cell_t)),
- node->fullpath);
+ FAIL_PROP(c, dti, node, prop,
+ "size is (%d), expected multiple of %d",
+ irq_prop->val.len, (int)(irq_cells * sizeof(cell_t)));
}
}
WARNING(interrupts_property, check_interrupts_property, &phandle_references);
@@ -1236,6 +1370,9 @@ static struct check *check_table[] = {
&address_cells_is_cell, &size_cells_is_cell, &interrupt_cells_is_cell,
&device_type_is_string, &model_is_string, &status_is_string,
+ &label_is_string,
+
+ &compatible_is_string_list, &names_is_string_list,
&property_name_chars_strict,
&node_name_chars_strict,
@@ -1253,7 +1390,9 @@ static struct check *check_table[] = {
&simple_bus_reg,
&avoid_default_addr_size,
+ &avoid_unnecessary_addr_size,
&obsolete_chosen_interrupt_controller,
+ &chosen_node_is_root, &chosen_node_bootargs, &chosen_node_stdout_path,
&clocks_property,
&cooling_device_property,
@@ -1269,13 +1408,15 @@ static struct check *check_table[] = {
&power_domains_property,
&pwms_property,
&resets_property,
- &sound_dais_property,
+ &sound_dai_property,
&thermal_sensors_property,
&deprecated_gpio_property,
&gpios_property,
&interrupts_property,
+ &alias_paths,
+
&always_fail,
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.