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-rw-r--r--scripts/dtc/checks.c85
1 files changed, 48 insertions, 37 deletions
diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c
index 9f31d2607182..10fb63894369 100644
--- a/scripts/dtc/checks.c
+++ b/scripts/dtc/checks.c
@@ -31,7 +31,7 @@ typedef void (*check_fn)(struct check *c, struct dt_info *dti, struct node *node
struct check {
const char *name;
check_fn fn;
- void *data;
+ const void *data;
bool warn, error;
enum checkstatus status;
bool inprogress;
@@ -114,6 +114,7 @@ static inline void PRINTF(5, 6) check_msg(struct check *c, struct dt_info *dti,
}
fputs(str, stderr);
+ free(str);
}
#define FAIL(c, dti, node, ...) \
@@ -207,7 +208,7 @@ static void check_is_string(struct check *c, struct dt_info *dti,
struct node *node)
{
struct property *prop;
- char *propname = c->data;
+ const char *propname = c->data;
prop = get_property(node, propname);
if (!prop)
@@ -226,7 +227,7 @@ static void check_is_string_list(struct check *c, struct dt_info *dti,
{
int rem, l;
struct property *prop;
- char *propname = c->data;
+ const char *propname = c->data;
char *str;
prop = get_property(node, propname);
@@ -254,7 +255,7 @@ static void check_is_cell(struct check *c, struct dt_info *dti,
struct node *node)
{
struct property *prop;
- char *propname = c->data;
+ const char *propname = c->data;
prop = get_property(node, propname);
if (!prop)
@@ -1078,10 +1079,11 @@ static void check_i2c_bus_reg(struct check *c, struct dt_info *dti, struct node
/* Ignore I2C_OWN_SLAVE_ADDRESS */
reg &= ~I2C_OWN_SLAVE_ADDRESS;
- if ((reg & I2C_TEN_BIT_ADDRESS) && ((reg & ~I2C_TEN_BIT_ADDRESS) > 0x3ff))
- FAIL_PROP(c, dti, node, prop, "I2C address must be less than 10-bits, got \"0x%x\"",
+ if (reg & I2C_TEN_BIT_ADDRESS) {
+ if ((reg & ~I2C_TEN_BIT_ADDRESS) > 0x3ff)
+ FAIL_PROP(c, dti, node, prop, "I2C address must be less than 10-bits, got \"0x%x\"",
reg);
- else if (reg > 0x7f)
+ } else if (reg > 0x7f)
FAIL_PROP(c, dti, node, prop, "I2C address must be less than 7-bits, got \"0x%x\". Set I2C_TEN_BIT_ADDRESS for 10 bit addresses or fix the property",
reg);
}
@@ -1108,7 +1110,7 @@ static void check_spi_bus_bridge(struct check *c, struct dt_info *dti, struct no
for_each_child(node, child) {
struct property *prop;
for_each_property(child, prop) {
- if (strprefixeq(prop->name, 4, "spi-")) {
+ if (strstarts(prop->name, "spi-")) {
node->bus = &spi_bus;
break;
}
@@ -1180,7 +1182,7 @@ static void check_unit_address_format(struct check *c, struct dt_info *dti,
/* skip over 0x for next test */
unitname += 2;
}
- if (unitname[0] == '0' && isxdigit(unitname[1]))
+ if (unitname[0] == '0' && isxdigit((unsigned char)unitname[1]))
FAIL(c, dti, node, "unit name should not have leading 0s");
}
WARNING(unit_address_format, check_unit_address_format, NULL,
@@ -1222,7 +1224,7 @@ static void check_avoid_unnecessary_addr_size(struct check *c, struct dt_info *d
if (!node->parent || node->addr_cells < 0 || node->size_cells < 0)
return;
- if (get_property(node, "ranges") || !node->children)
+ if (get_property(node, "ranges") || get_property(node, "dma-ranges") || !node->children)
return;
for_each_child(node, child) {
@@ -1232,7 +1234,7 @@ static void check_avoid_unnecessary_addr_size(struct check *c, struct dt_info *d
}
if (!has_reg)
- FAIL(c, dti, node, "unnecessary #address-cells/#size-cells without \"ranges\" or child \"reg\" property");
+ FAIL(c, dti, node, "unnecessary #address-cells/#size-cells without \"ranges\", \"dma-ranges\" or child \"reg\" property");
}
WARNING(avoid_unnecessary_addr_size, check_avoid_unnecessary_addr_size, NULL, &avoid_default_addr_size);
@@ -1465,7 +1467,7 @@ static void check_provider_cells_property(struct check *c,
struct dt_info *dti,
struct node *node)
{
- struct provider *provider = c->data;
+ const struct provider *provider = c->data;
struct property *prop;
prop = get_property(node, provider->prop_name);
@@ -1673,6 +1675,10 @@ static void check_interrupt_map(struct check *c,
parent_cellsize += propval_cell(cellprop);
cell += 1 + parent_cellsize;
+ if (cell > map_cells)
+ FAIL_PROP(c, dti, node, irq_map_prop,
+ "property size (%d) mismatch, expected %zu",
+ irq_map_prop->val.len, cell * sizeof(cell_t));
}
}
WARNING(interrupt_map, check_interrupt_map, NULL, &phandle_references, &addr_size_cells, &interrupt_provider);
@@ -1765,6 +1771,11 @@ static void check_graph_nodes(struct check *c, struct dt_info *dti,
get_property(child, "remote-endpoint")))
continue;
+ /* The root node cannot be a port */
+ if (!node->parent) {
+ FAIL(c, dti, node, "root node contains endpoint node '%s', potentially misplaced remote-endpoint property", child->name);
+ continue;
+ }
node->bus = &graph_port_bus;
/* The parent of 'port' nodes can be either 'ports' or a device */
@@ -1778,31 +1789,6 @@ static void check_graph_nodes(struct check *c, struct dt_info *dti,
}
WARNING(graph_nodes, check_graph_nodes, NULL);
-static void check_graph_child_address(struct check *c, struct dt_info *dti,
- struct node *node)
-{
- int cnt = 0;
- struct node *child;
-
- if (node->bus != &graph_ports_bus && node->bus != &graph_port_bus)
- return;
-
- for_each_child(node, child) {
- struct property *prop = get_property(child, "reg");
-
- /* No error if we have any non-zero unit address */
- if (prop && propval_cell(prop) != 0)
- return;
-
- cnt++;
- }
-
- if (cnt == 1 && node->addr_cells != -1)
- FAIL(c, dti, node, "graph node has single child node '%s', #address-cells/#size-cells are not necessary",
- node->children->name);
-}
-WARNING(graph_child_address, check_graph_child_address, NULL, &graph_nodes);
-
static void check_graph_reg(struct check *c, struct dt_info *dti,
struct node *node)
{
@@ -1893,6 +1879,31 @@ static void check_graph_endpoint(struct check *c, struct dt_info *dti,
}
WARNING(graph_endpoint, check_graph_endpoint, NULL, &graph_nodes);
+static void check_graph_child_address(struct check *c, struct dt_info *dti,
+ struct node *node)
+{
+ int cnt = 0;
+ struct node *child;
+
+ if (node->bus != &graph_ports_bus && node->bus != &graph_port_bus)
+ return;
+
+ for_each_child(node, child) {
+ struct property *prop = get_property(child, "reg");
+
+ /* No error if we have any non-zero unit address */
+ if (prop && propval_cell(prop) != 0 )
+ return;
+
+ cnt++;
+ }
+
+ if (cnt == 1 && node->addr_cells != -1)
+ FAIL(c, dti, node, "graph node has single child node '%s', #address-cells/#size-cells are not necessary",
+ node->children->name);
+}
+WARNING(graph_child_address, check_graph_child_address, NULL, &graph_nodes, &graph_port, &graph_endpoint);
+
static struct check *check_table[] = {
&duplicate_node_names, &duplicate_property_names,
&node_name_chars, &node_name_format, &property_name_chars,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 05:45:23 +0000