Release 4.11 scripts/dtc/checks.c

/*
 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation.  2007.
 *
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *                                                                   USA
 */

#include "dtc.h"

#ifdef TRACE_CHECKS

#define TRACE(c, ...) \
	do { \
                fprintf(stderr, "=== %s: ", (c)->name); \
                fprintf(stderr, __VA_ARGS__); \
                fprintf(stderr, "\n"); \
        } while (0)
#else

#define TRACE(c, fmt, ...)	do { } while (0)
#endif


enum checkstatus {
	
UNCHECKED = 0,
	
PREREQ,
	
PASSED,
	
FAILED,
};

struct check;


typedef void (*check_fn)(struct check *c, struct dt_info *dti, struct node *node);


struct check {
	
const char *name;
	
check_fn fn;
	
void *data;
	

bool warn, error;
	
enum checkstatus status;
	
bool inprogress;
	
int num_prereqs;
	
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), \
                .status = UNCHECKED, \
                .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__)

#ifdef __GNUC__
static inline void check_msg(struct check *c, const char *fmt, ...) __attribute__((format (printf, 2, 3)));
#endif


static inline void check_msg(struct check *c, const char *fmt, ...)
{
	va_list ap;
	va_start(ap, fmt);

	if ((c->warn && (quiet < 1))
	    || (c->error && (quiet < 2))) {
		fprintf(stderr, "%s (%s): ",
			(c->error) ? "ERROR" : "Warning", c->name);
		vfprintf(stderr, fmt, ap);
		fprintf(stderr, "\n");
	}
	va_end(ap);
}

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David Gibson
79
79.80%
1
33.33%
Stephen Warren
15
15.15%
1
33.33%
Rob Herring
5
5.05%
1
33.33%
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99
100.00%
3
100.00%


#define FAIL(c, ...) \
	do { \
                TRACE((c), "\t\tFAILED at %s:%d", __FILE__, __LINE__); \
                (c)->status = FAILED; \
                check_msg((c), __VA_ARGS__); \
        } while (0)



static void check_nodes_props(struct check *c, struct dt_info *dti, struct node *node)
{
	struct node *child;

	TRACE(c, "%s", node->fullpath);
	if (c->fn)
		c->fn(c, dti, node);

	for_each_child(node, child)
		check_nodes_props(c, dti, child);
}

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63
91.30%
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6
8.70%
1
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69
100.00%
2
100.00%



static bool run_check(struct check *c, struct dt_info *dti)
{
	struct node *dt = dti->dt;
	bool error = false;
	int i;

	assert(!c->inprogress);

	if (c->status != UNCHECKED)
		goto out;

	c->inprogress = true;

	for (i = 0; i < c->num_prereqs; i++) {
		struct check *prq = c->prereq[i];
		error = error || run_check(prq, dti);
		if (prq->status != PASSED) {
			c->status = PREREQ;
			check_msg(c, "Failed prerequisite '%s'",
				  c->prereq[i]->name);
		}
	}

	if (c->status != UNCHECKED)
		goto out;

	check_nodes_props(c, dti, dt);

	if (c->status == UNCHECKED)
		c->status = PASSED;

	TRACE(c, "\tCompleted, status %d", c->status);

out:
	c->inprogress = false;
	if ((c->status != PASSED) && (c->error))
		error = true;
	return error;
}

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David Gibson
183
88.83%
1
25.00%
Rob Herring
22
10.68%
2
50.00%
Stephen Warren
1
0.49%
1
25.00%
Total
206
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4
100.00%

/*
 * Utility check functions
 */

/* A check which always fails, for testing purposes only */


static inline void check_always_fail(struct check *c, struct dt_info *dti,
				     struct node *node)
{
	FAIL(c, "always_fail check");
}
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79.31%
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Rob Herring
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100.00%

CHECK(always_fail, check_always_fail, NULL);



static void check_is_string(struct check *c, struct dt_info *dti,
			    struct node *node)
{
	struct property *prop;
	char *propname = c->data;

	prop = get_property(node, propname);
	if (!prop)
		return; /* Not present, assumed ok */

	if (!data_is_one_string(prop->val))
		FAIL(c, "\"%s\" property in %s is not a string",
		     propname, node->fullpath);
}
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David Gibson
71
97.26%
1
50.00%
Rob Herring
2
2.74%
1
50.00%
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100.00%


#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_cell(struct check *c, struct dt_info *dti,
			  struct node *node)
{
	struct property *prop;
	char *propname = c->data;

	prop = get_property(node, propname);
	if (!prop)
		return; /* Not present, assumed ok */

	if (prop->val.len != sizeof(cell_t))
		FAIL(c, "\"%s\" property in %s is not a single cell",
		     propname, node->fullpath);
}
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David Gibson
74
97.37%
1
50.00%
Rob Herring
2
2.63%
1
50.00%
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100.00%


#define WARNING_IF_NOT_CELL(nm, propname) \
	WARNING(nm, check_is_cell, (propname))

#define ERROR_IF_NOT_CELL(nm, propname) \
	ERROR(nm, check_is_cell, (propname))

/*
 * Structural check functions
 */



static void check_duplicate_node_names(struct check *c, struct dt_info *dti,
				       struct node *node)
{
	struct node *child, *child2;

	for_each_child(node, child)
		for (child2 = child->next_sibling;
		     child2;
		     child2 = child2->next_sibling)
			if (streq(child->name, child2->name))
				FAIL(c, "Duplicate node name %s",
				     child->fullpath);
}
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David Gibson
73
97.33%
1
50.00%
Rob Herring
2
2.67%
1
50.00%
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75
100.00%
2
100.00%

ERROR(duplicate_node_names, check_duplicate_node_names, NULL);



static void check_duplicate_property_names(struct check *c, struct dt_info *dti,
					   struct node *node)
{
	struct property *prop, *prop2;

	for_each_property(node, prop) {
		for (prop2 = prop->next; prop2; prop2 = prop2->next) {
			if (prop2->deleted)
				continue;
			if (streq(prop->name, prop2->name))
				FAIL(c, "Duplicate property name %s in %s",
				     prop->name, node->fullpath);
		}
	}
}
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David Gibson
77
85.56%
1
33.33%
Stephen Warren
11
12.22%
1
33.33%
Rob Herring
2
2.22%
1
33.33%
Total
90
100.00%
3
100.00%

ERROR(duplicate_property_names, check_duplicate_property_names, NULL);


#define LOWERCASE	"abcdefghijklmnopqrstuvwxyz"

#define UPPERCASE	"ABCDEFGHIJKLMNOPQRSTUVWXYZ"

#define DIGITS		"0123456789"

#define PROPNODECHARS	LOWERCASE UPPERCASE DIGITS ",._+*#?-"



static void check_node_name_chars(struct check *c, struct dt_info *dti,
				  struct node *node)
{
	int n = strspn(node->name, c->data);

	if (n < strlen(node->name))
		FAIL(c, "Bad character '%c' in node %s",
		     node->name[n], node->fullpath);
}
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David Gibson
62
96.88%
1
50.00%
Rob Herring
2
3.12%
1
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64
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100.00%

ERROR(node_name_chars, check_node_name_chars, PROPNODECHARS "@");



static void check_node_name_format(struct check *c, struct dt_info *dti,
				   struct node *node)
{
	if (strchr(get_unitname(node), '@'))
		FAIL(c, "Node %s has multiple '@' characters in name",
		     node->fullpath);
}
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David Gibson
42
95.45%
1
50.00%
Rob Herring
2
4.55%
1
50.00%
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44
100.00%
2
100.00%

ERROR(node_name_format, check_node_name_format, NULL, &node_name_chars);



static void check_unit_address_vs_reg(struct check *c, struct dt_info *dti,
				      struct node *node)
{
	const char *unitname = get_unitname(node);
	struct property *prop = get_property(node, "reg");

	if (!prop) {
		prop = get_property(node, "ranges");
		if (prop && !prop->val.len)
			prop = NULL;
	}

	if (prop) {
		if (!unitname[0])
			FAIL(c, "Node %s has a reg or ranges property, but no unit name",
			    node->fullpath);
	} else {
		if (unitname[0])
			FAIL(c, "Node %s has a unit name, but no reg property",
			    node->fullpath);
	}
}
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WARNING(unit_address_vs_reg, check_unit_address_vs_reg, NULL);



static void check_property_name_chars(struct check *c, struct dt_info *dti,
				      struct node *node)
{
	struct property *prop;

	for_each_property(node, prop) {
		int n = strspn(prop->name, c->data);

		if (n < strlen(prop->name))
			FAIL(c, "Bad character '%c' in property name \"%s\", node %s",
			     prop->name[n], prop->name, node->fullpath);
	}
}
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David Gibson
69
85.19%
1
50.00%
Rob Herring
12
14.81%
1
50.00%
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81
100.00%
2
100.00%

ERROR(property_name_chars, check_property_name_chars, PROPNODECHARS);


#define DESCLABEL_FMT	"%s%s%s%s%s"

#define DESCLABEL_ARGS(node,prop,mark)		\
	((mark) ? "value of " : ""),            \
        ((prop) ? "'" : ""), \
        ((prop) ? (prop)->name : ""), \
        ((prop) ? "' in " : ""), (node)->fullpath



static void check_duplicate_label(struct check *c, struct dt_info *dti,
				  const char *label, struct node *node,
				  struct property *prop, struct marker *mark)
{
	struct node *dt = dti->dt;
	struct node *othernode = NULL;
	struct property *otherprop = NULL;
	struct marker *othermark = NULL;

	othernode = get_node_by_label(dt, label);

	if (!othernode)
		otherprop = get_property_by_label(dt, label, &othernode);
	if (!othernode)
		othermark = get_marker_label(dt, label, &othernode,
					       &otherprop);

	if (!othernode)
		return;

	if ((othernode != node) || (otherprop != prop) || (othermark != mark))
		FAIL(c, "Duplicate label '%s' on " DESCLABEL_FMT
		     " and " DESCLABEL_FMT,
		     label, DESCLABEL_ARGS(node, prop, mark),
		     DESCLABEL_ARGS(othernode, otherprop, othermark));
}

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John Bonesio
136
80.95%
1
33.33%
David Gibson
21
12.50%
1
33.33%
Rob Herring
11
6.55%
1
33.33%
Total
168
100.00%
3
100.00%



static void check_duplicate_label_node(struct check *c, struct dt_info *dti,
				       struct node *node)
{
	struct label *l;
	struct property *prop;

	for_each_label(node->labels, l)
		check_duplicate_label(c, dti, l->label, node, NULL, NULL);

	for_each_property(node, prop) {
		struct marker *m = prop->val.markers;

		for_each_label(prop->labels, l)
			check_duplicate_label(c, dti, l->label, node, prop, NULL);

		for_each_marker_of_type(m, LABEL)
			check_duplicate_label(c, dti, m->ref, node, prop, m);
	}
}
Contributors
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John Bonesio
94
78.99%
1
33.33%
Rob Herring
17
14.29%
1
33.33%
David Gibson
8
6.72%
1
33.33%
Total
119
100.00%
3
100.00%

ERROR(duplicate_label, check_duplicate_label_node, NULL);



static cell_t check_phandle_prop(struct check *c, struct dt_info *dti,
				 struct node *node, const char *propname)
{
	struct node *root = dti->dt;
	struct property *prop;
	struct marker *m;
	cell_t phandle;

	prop = get_property(node, propname);
	if (!prop)
		return 0;

	if (prop->val.len != sizeof(cell_t)) {
		FAIL(c, "%s has bad length (%d) %s property",
		     node->fullpath, prop->val.len, prop->name);
		return 0;
	}

	m = prop->val.markers;
	for_each_marker_of_type(m, REF_PHANDLE) {
		assert(m->offset == 0);
		if (node != get_node_by_ref(root, m->ref))
			/* "Set this node's phandle equal to some
                         * other node's phandle".  That's nonsensical
                         * by construction. */ {
			FAIL(c, "%s in %s is a reference to another node",
			     prop->name, node->fullpath);
		}
		/* But setting this node's phandle equal to its own
                 * phandle is allowed - that means allocate a unique
                 * phandle for this node, even if it's not otherwise
                 * referenced.  The value will be filled in later, so
                 * we treat it as having no phandle data for now. */
		return 0;
	}

	phandle = propval_cell(prop);

	if ((phandle == 0) || (phandle == -1)) {
		FAIL(c, "%s has bad value (0x%x) in %s property",
		     node->fullpath, phandle, prop->name);
		return 0;
	}

	return phandle;
}

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John Bonesio
97
45.97%
1
33.33%
David Gibson
69
32.70%
1
33.33%
Rob Herring
45
21.33%
1
33.33%
Total
211
100.00%
3
100.00%



static void check_explicit_phandles(struct check *c, struct dt_info *dti,
				    struct node *node)
{
	struct node *root = dti->dt;
	struct node *other;
	cell_t phandle, linux_phandle;

	/* Nothing should have assigned phandles yet */
	assert(!node->phandle);

	phandle = check_phandle_prop(c, dti, node, "phandle");

	linux_phandle = check_phandle_prop(c, dti, node, "linux,phandle");

	if (!phandle && !linux_phandle)
		/* No valid phandles; nothing further to check */
		return;

	if (linux_phandle && phandle && (phandle != linux_phandle))
		FAIL(c, "%s has mismatching 'phandle' and 'linux,phandle'"
		     " properties", node->fullpath);

	if (linux_phandle && !phandle)
		phandle = linux_phandle;

	other = get_node_by_phandle(root, phandle);
	if (other && (other != node)) {
		FAIL(c, "%s has duplicated phandle 0x%x (seen before at %s)",
		     node->fullpath, phandle, other->fullpath);
		return;
	}

	node->phandle = phandle;
}
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Rob Herring
100
60.61%
1
33.33%
David Gibson
40
24.24%
1
33.33%
John Bonesio
25
15.15%
1
33.33%
Total
165
100.00%
3
100.00%

ERROR(explicit_phandles, check_explicit_phandles, NULL);



static void check_name_properties(struct check *c, struct dt_info *dti,
				  struct node *node)
{
	struct property **pp, *prop = NULL;

	for (pp = &node->proplist; *pp; pp = &((*pp)->next))
		if (streq((*pp)->name, "name")) {
			prop = *pp;
			break;
		}

	if (!prop)
		return; /* No name property, that's fine */

	if ((prop->val.len != node->basenamelen+1)
	    || (memcmp(prop->val.val, node->name, node->basenamelen) != 0)) {
		FAIL(c, "\"name\" property in %s is incorrect (\"%s\" instead"
		     " of base node name)", node->fullpath, prop->val.val);
	} else {
		/* The name property is correct, and therefore redundant.
                 * Delete it */
		*pp = prop->next;
		free(prop->name);
		data_free(prop->val);
		free(prop);
	}
}
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170
98.84%
2
66.67%
Rob Herring
2
1.16%
1
33.33%
Total
172
100.00%
3
100.00%

ERROR_IF_NOT_STRING(name_is_string, "name");
ERROR(name_properties, check_name_properties, NULL, &name_is_string);

/*
 * Reference fixup functions
 */



static void fixup_phandle_references(struct check *c, struct dt_info *dti,
				     struct node *node)
{
	struct node *dt = dti->dt;
	struct property *prop;

	for_each_property(node, prop) {
		struct marker *m = prop->val.markers;
		struct node *refnode;
		cell_t phandle;

		for_each_marker_of_type(m, REF_PHANDLE) {
			assert(m->offset + sizeof(cell_t) <= prop->val.len);

			refnode = get_node_by_ref(dt, m->ref);
			if (! refnode) {
				if (!(dti->dtsflags & DTSF_PLUGIN))
					FAIL(c, "Reference to non-existent node or "
							"label \"%s\"\n", m->ref);
				else /* mark the entry as unresolved */
					*((cell_t *)(prop->val.val + m->offset)) =
						cpu_to_fdt32(0xffffffff);
				continue;
			}

			phandle = get_node_phandle(dt, refnode);
			*((cell_t *)(prop->val.val + m->offset)) = cpu_to_fdt32(phandle);
		}
	}
}
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129
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66.67%
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60
31.75%
1
33.33%
Total
189
100.00%
3
100.00%

ERROR(phandle_references, fixup_phandle_references, NULL,
      &duplicate_node_names, &explicit_phandles);



static void fixup_path_references(struct check *c, struct dt_info *dti,
				  struct node *node)
{
	struct node *dt = dti->dt;
	struct property *prop;

	for_each_property(node, prop) {
		struct marker *m = prop->val.markers;
		struct node *refnode;
		char *path;

		for_each_marker_of_type(m, REF_PATH) {
			assert(m->offset <= prop->val.len);

			refnode = get_node_by_ref(dt, m->ref);
			if (!refnode) {
				FAIL(c, "Reference to non-existent node or label \"%s\"\n",
				     m->ref);
				continue;
			}

			path = refnode->fullpath;
			prop->val = data_insert_at_marker(prop->val, m, path,
							  strlen(path) + 1);
		}
	}
}
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David Gibson
121
85.21%
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50.00%
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21
14.79%
1
50.00%
Total
142
100.00%
2
100.00%

ERROR(path_references, fixup_path_references, NULL, &duplicate_node_names);

/*
 * Semantic checks
 */
WARNING_IF_NOT_CELL(address_cells_is_cell, "#address-cells");
WARNING_IF_NOT_CELL(size_cells_is_cell, "#size-cells");
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");



static void fixup_addr_size_cells(struct check *c, struct dt_info *dti,
				  struct node *node)
{
	struct property *prop;

	node->addr_cells = -1;
	node->size_cells = -1;

	prop = get_property(node, "#address-cells");
	if (prop)
		node->addr_cells = propval_cell(prop);

	prop = get_property(node, "#size-cells");
	if (prop)
		node->size_cells = propval_cell(prop);
}
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David Gibson
82
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50.00%
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2
2.38%
1
50.00%
Total
84
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2
100.00%

WARNING(addr_size_cells, fixup_addr_size_cells, NULL,
	&address_cells_is_cell, &size_cells_is_cell);


#define node_addr_cells(n) \
	(((n)->addr_cells == -1) ? 2 : (n)->addr_cells)

#define node_size_cells(n) \
	(((n)->size_cells == -1) ? 1 : (n)->size_cells)



static void check_reg_format(struct check *c, struct dt_info *dti,
			     struct node *node)
{
	struct property *prop;
	int addr_cells, size_cells, entrylen;

	prop = get_property(node, "reg");
	if (!prop)
		return; /* No "reg", that's fine */

	if (!node->parent) {
		FAIL(c, "Root node has a \"reg\" property");
		return;
	}

	if (prop->val.len == 0)
		FAIL(c, "\"reg\" property in %s is empty", node->fullpath);

	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, "\"reg\" property in %s has invalid length (%d bytes) "
		     "(#address-cells == %d, #size-cells == %d)",
		     node->fullpath, prop->val.len, addr_cells, size_cells);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
David Gibson
152
96.82%
1
33.33%
Rob Herring
5
3.18%
2
66.67%
Total
157
100.00%
3
100.00%

WARNING(reg_format, check_reg_format, NULL, &addr_size_cells);



static void check_ranges_format(struct check *c, struct dt_info *dti,
				struct node *node)
{
	struct property *prop;
	int c_addr_cells, p_addr_cells, c_size_cells, p_size_cells, entrylen;

	prop = get_property(node, "ranges");
	if (!prop)
		return;

	if (!node->parent) {
		FAIL(c, "Root node has a \"ranges\" property");
		return;
	}

	p_addr_cells = node_addr_cells(node->parent);
	p_size_cells = node_size_cells(node->parent);
	c_addr_cells = node_addr_cells(node);
	c_size_cells = node_size_cells(node);
	entrylen = (p_addr_cells + c_addr_cells + c_size_cells) * sizeof(cell_t);

	if (prop->val.len == 0) {
		if (p_addr_cells != c_addr_cells)
			FAIL(c, "%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);
		if (p_size_cells != c_size_cells)
			FAIL(c, "%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);
	} else if ((prop->val.len % entrylen) != 0) {
		FAIL(c, "\"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);
	}
}
Contributors
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Tokens
Prop
Commits
CommitProp
David Gibson
224
99.12%
1
50.00%
Rob Herring
2
0.88%
1
50.00%
Total
226
100.00%
2
100.00%

WARNING(ranges_format, check_ranges_format, NULL, &addr_size_cells);

/*
 * Style checks
 */


static void check_avoid_default_addr_size(struct check *c, struct dt_info *dti,
					  struct node *node)
{
	struct property *reg, *ranges;

	if (!node->parent)
		return; /* Ignore root node */

	reg = get_property(node, "reg");
	ranges = get_property(node, "ranges");

	if (!reg && !ranges)
		return;

	if (node->parent->addr_cells == -1)
		FAIL(c, "Relying on default #address-cells value for %s",
		     node->fullpath);

	if (node->parent->size_cells == -1)
		FAIL(c, "Relying on default #size-cells value for %s",
		     node->fullpath);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
David Gibson
107
98.17%
1
50.00%
Rob Herring
2
1.83%
1
50.00%
Total
109
100.00%
2
100.00%

WARNING(avoid_default_addr_size, check_avoid_default_addr_size, NULL,
	&addr_size_cells);



static void check_obsolete_chosen_interrupt_controller(struct check *c,
						       struct dt_info *dti,
						       struct node *node)
{
	struct node *dt = dti->dt;
	struct node *chosen;
	struct property *prop;

	if (node != dt)
		return;


	chosen = get_node_by_path(dt, "/chosen");
	if (!chosen)
		return;

	prop = get_property(chosen, "interrupt-controller");
	if (prop)
		FAIL(c, "/chosen has obsolete \"interrupt-controller\" "
		     "property");
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
David Gibson
61
73.49%
1
50.00%
Rob Herring
22
26.51%
1
50.00%
Total
83
100.00%
2
100.00%

WARNING(obsolete_chosen_interrupt_controller,
	check_obsolete_chosen_interrupt_controller, NULL);


static struct check *check_table[] = {
	&duplicate_node_names, &duplicate_property_names,
	&node_name_chars, &node_name_format, &property_name_chars,
	&name_is_string, &name_properties,

	&duplicate_label,

	&explicit_phandles,
	&phandle_references, &path_references,

	&address_cells_is_cell, &size_cells_is_cell, &interrupt_cells_is_cell,
	&device_type_is_string, &model_is_string, &status_is_string,

	&addr_size_cells, &reg_format, &ranges_format,

	&unit_address_vs_reg,

	&avoid_default_addr_size,
	&obsolete_chosen_interrupt_controller,

	&always_fail,
};



static void enable_warning_error(struct check *c, bool warn, bool error)
{
	int i;

	/* Raising level, also raise it for prereqs */
	if ((warn && !c->warn) || (error && !c->error))
		for (i = 0; i < c->num_prereqs; i++)
			enable_warning_error(c->prereq[i], warn, error);

	c->warn = c->warn || warn;
	c->error = c->error || error;
}

Contributors
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Tokens
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Commits
CommitProp
Stephen Warren
90
100.00%
1
100.00%
Total
90
100.00%
1
100.00%



static void disable_warning_error(struct check *c, bool warn, bool error)
{
	int i;

	/* Lowering level, also lower it for things this is the prereq
         * for */
	if ((warn && c->warn) || (error && c->error)) {
		for (i = 0; i < ARRAY_SIZE(check_table); i++) {
			struct check *cc = check_table[i];
			int j;

			for (j = 0; j < cc->num_prereqs; j++)
				if (cc->prereq[j] == c)
					disable_warning_error(cc, warn, error);
		}
	}

	c->warn = c->warn && !warn;
	c->error = c->error && !error;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Stephen Warren
129
100.00%
1
100.00%
Total
129
100.00%
1
100.00%



void parse_checks_option(bool warn, bool error, const char *arg)
{
	int i;
	const char *name = arg;
	bool enable = true;

	if ((strncmp(arg, "no-", 3) == 0)
	    || (strncmp(arg, "no_", 3) == 0)) {
		name = arg + 3;
		enable = false;
	}

	for (i = 0; i < ARRAY_SIZE(check_table); i++) {
		struct check *c = check_table[i];

		if (streq(c->name, name)) {
			if (enable)
				enable_warning_error(c, warn, error);
			else
				disable_warning_error(c, warn, error);
			return;
		}
	}

	die("Unrecognized check name \"%s\"\n", name);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Stephen Warren
138
96.50%
1
50.00%
Rob Herring
5
3.50%
1
50.00%
Total
143
100.00%
2
100.00%



void process_checks(bool force, struct dt_info *dti)
{
	int i;
	int error = 0;

	for (i = 0; i < ARRAY_SIZE(check_table); i++) {
		struct check *c = check_table[i];

		if (c->warn || c->error)
			error = error || run_check(c, dti);
	}

	if (error) {
		if (!force) {
			fprintf(stderr, "ERROR: Input tree has errors, aborting "
				"(use -f to force output)\n");
			exit(2);
		} else if (quiet < 3) {
			fprintf(stderr, "Warning: Input tree has errors, "
				"output forced\n");
		}
	}
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
David Gibson
104
92.04%
1
25.00%
Stephen Warren
5
4.42%
1
25.00%
Rob Herring
4
3.54%
2
50.00%
Total
113
100.00%
4
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
David Gibson
2524
63.95%
2
25.00%
Rob Herring
557
14.11%
4
50.00%
Stephen Warren
487
12.34%
1
12.50%
John Bonesio
379
9.60%
1
12.50%
Total
3947
100.00%
8
100.00%
Directory: scripts/dtc

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