scripts/dtc: Update to upstream version v1.4.5-3-gb1a60033c110

This adds the following commits from upstream:

b1a60033c110 tests: Add a test for overlays syntactic sugar
737b2df39cc8 overlay: Add syntactic sugar version of overlays
497432fd2131 checks: Use proper format modifier for size_t
22a65c5331c2 dtc: Bump version to v1.4.5
c575d8059fff Add fdtoverlay to .gitignore
b6a6f9490d19 fdtoverlay: Sanity check blob size
8c1eb1526d2d pylibfdt: Use Python2 explicitly
ee3d26f6960b checks: add interrupts property check
c1e7738988f5 checks: add gpio binding properties check
b3bbac02d5e3 checks: add phandle with arg property checks
fe50bd1ecc1d fdtget: Split out cell list display into a new function
62d812308d11 README: Add a note about test_tree1.dts
5bed86aee9e8 pylibfdt: Add support for fdt_subnode_offset()
46f31b65b3b3 pylibfdt: Add support for fdt_node_offset_by_phandle()
a3ae43723687 pylibfdt: Add support for fdt_parent_offset()
a198af80344c pylibfdt: Add support for fdt_get_phandle()
b9eba92ea50f tests: Return a failure code when any tests fail
155faf6cc209 pylibfdt: Use local pylibfdt module
50e5cd07f325 pylibfdt: Add a test for use of uint32_t
ab78860f09f5 pylibfdt: Add stdint include to fix uint32_t
36f511fb1113 tests: Add stacked overlay tests on fdtoverlay
1bb00655d3e5 fdt: Allow stacked overlays phandle references
a33c2247ac8d Introduce fdt_setprop_placeholder() method
0016f8c2aa32 dtc: change default phandles to ePAPR style instead of both
e3b9a9588a35 tests: fdtoverlay unit test
42409146f2db fdtoverlay: A tool that applies overlays
aae22722fc8d manual: Document missing options
13ce6e1c2fc4 dtc: fix sprintf() format string error, again
d990b8013889 Makefile: Fix build on MSYS2 and Cygwin
51f56dedf8ea Clean up shared library compile/link options
21a2bc896e3d Suppress expected error message in fdtdump test
2a42b14d0d03 dtc: check.c fix compile error
a10cb3c818d3 Fix get_node_by_path string equality check
548aea2c436a fdtdump: Discourage use of fdtdump
c2258841a785 fdtdump: Fix over-zealous version check
9067ee4be0e6 Fix a few whitespace and style nits
e56f2b07be38 pylibfdt: Use setup.py to build the swig file
896f1c133265 pylibfdt: Use Makefile constructs to implement NO_PYTHON
90db6d9989ca pylibfdt: Allow setup.py to operate stand-alone
e20d9658cd8f Add Coverity Scan support
b04a2cf08862 pylibfdt: Fix code style in setup.py
1c5170d3a466 pylibfdt: Rename libfdt.swig to libfdt.i
580a9f6c2880 Add a libfdt function to write a property placeholder
ab15256d8d02 pylibfdt: Use the call function to simplify the Makefile
9f2e3a3a1f19 pylibfdt: Use the correct libfdt version in the module
e91c652af215 pylibfdt: Enable installation of Python module
8a892fd85d94 pylibfdt: Allow building to be disabled
741cdff85d3e .travis.yml: Add builds with and without Python library prerequisites
14c4171f4f9a pylibfdt: Use package_dir to set the package directory
89a5062ab231 pylibfdt: Use environment to pass C flags and files
4e0e0d049757 pylibfdt: Allow pkg-config to be supplied in the environment
6afd7d9688f5 Correct typo: s/pylibgfdt/pylibfdt/

Signed-off-by: Rob Herring <robh@kernel.org>

1 files changed, 281 insertions, 1 deletions

diff --git a/scripts/dtc/checks.c b/scripts/dtc/checks.c
index 62ea8f83d4a0..08a3a29edae3 100644
--- a/scripts/dtc/checks.c
+++ b/scripts/dtc/checks.c
@@ -873,7 +873,7 @@ static void check_simple_bus_reg(struct check *c, struct dt_info *dti, struct no
 	while (size--)
 		reg = (reg << 32) | fdt32_to_cpu(*(cells++));
 
-	snprintf(unit_addr, sizeof(unit_addr), "%llx", (unsigned long long)reg);
+	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);
@@ -956,6 +956,265 @@ static void check_obsolete_chosen_interrupt_controller(struct check *c,
 WARNING(obsolete_chosen_interrupt_controller,
 	check_obsolete_chosen_interrupt_controller, NULL);
 
+struct provider {
+	const char *prop_name;
+	const char *cell_name;
+	bool optional;
+};
+
+static void check_property_phandle_args(struct check *c,
+					  struct dt_info *dti,
+				          struct node *node,
+				          struct property *prop,
+				          const struct provider *provider)
+{
+	struct node *root = dti->dt;
+	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);
+		return;
+	}
+
+	for (cell = 0; cell < prop->val.len / sizeof(cell_t); cell += cellsize + 1) {
+		struct node *provider_node;
+		struct property *cellprop;
+		int phandle;
+
+		phandle = propval_cell_n(prop, cell);
+		/*
+		 * Some bindings use a cell value 0 or -1 to skip over optional
+		 * entries when each index position has a specific definition.
+		 */
+		if (phandle == 0 || phandle == -1) {
+			cellsize = 0;
+			continue;
+		}
+
+		/* If we have markers, verify the current cell is a phandle */
+		if (prop->val.markers) {
+			struct marker *m = prop->val.markers;
+			for_each_marker_of_type(m, REF_PHANDLE) {
+				if (m->offset == (cell * sizeof(cell_t)))
+					break;
+			}
+			if (!m)
+				FAIL(c, dti, "Property '%s', cell %d is not a phandle reference in %s",
+				     prop->name, cell, node->fullpath);
+		}
+
+		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);
+			break;
+		}
+
+		cellprop = get_property(provider_node, provider->cell_name);
+		if (cellprop) {
+			cellsize = propval_cell(cellprop);
+		} else if (provider->optional) {
+			cellsize = 0;
+		} else {
+			FAIL(c, dti, "Missing property '%s' in node %s or bad phandle (referred from %s:%s[%d])",
+			     provider->cell_name,
+			     provider_node->fullpath,
+			     node->fullpath, 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);
+		}
+	}
+}
+
+static void check_provider_cells_property(struct check *c,
+					  struct dt_info *dti,
+				          struct node *node)
+{
+	struct provider *provider = c->data;
+	struct property *prop;
+
+	prop = get_property(node, provider->prop_name);
+	if (!prop)
+		return;
+
+	check_property_phandle_args(c, dti, node, prop, provider);
+}
+#define WARNING_PROPERTY_PHANDLE_CELLS(nm, propname, cells_name, ...) \
+	static struct provider nm##_provider = { (propname), (cells_name), __VA_ARGS__ }; \
+	WARNING(nm##_property, check_provider_cells_property, &nm##_provider, &phandle_references);
+
+WARNING_PROPERTY_PHANDLE_CELLS(clocks, "clocks", "#clock-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(cooling_device, "cooling-device", "#cooling-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(dmas, "dmas", "#dma-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(hwlocks, "hwlocks", "#hwlock-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(interrupts_extended, "interrupts-extended", "#interrupt-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(io_channels, "io-channels", "#io-channel-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(iommus, "iommus", "#iommu-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(mboxes, "mboxes", "#mbox-cells");
+WARNING_PROPERTY_PHANDLE_CELLS(msi_parent, "msi-parent", "#msi-cells", true);
+WARNING_PROPERTY_PHANDLE_CELLS(mux_controls, "mux-controls", "#mux-control-cells");
+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(thermal_sensors, "thermal-sensors", "#thermal-sensor-cells");
+
+static bool prop_is_gpio(struct property *prop)
+{
+	char *str;
+
+	/*
+	 * *-gpios and *-gpio can appear in property names,
+	 * so skip over any false matches (only one known ATM)
+	 */
+	if (strstr(prop->name, "nr-gpio"))
+		return false;
+
+	str = strrchr(prop->name, '-');
+	if (str)
+		str++;
+	else
+		str = prop->name;
+	if (!(streq(str, "gpios") || streq(str, "gpio")))
+		return false;
+
+	return true;
+}
+
+static void check_gpios_property(struct check *c,
+					  struct dt_info *dti,
+				          struct node *node)
+{
+	struct property *prop;
+
+	/* Skip GPIO hog nodes which have 'gpios' property */
+	if (get_property(node, "gpio-hog"))
+		return;
+
+	for_each_property(node, prop) {
+		struct provider provider;
+
+		if (!prop_is_gpio(prop))
+			continue;
+
+		provider.prop_name = prop->name;
+		provider.cell_name = "#gpio-cells";
+		provider.optional = false;
+		check_property_phandle_args(c, dti, node, prop, &provider);
+	}
+
+}
+WARNING(gpios_property, check_gpios_property, NULL, &phandle_references);
+
+static void check_deprecated_gpio_property(struct check *c,
+					   struct dt_info *dti,
+				           struct node *node)
+{
+	struct property *prop;
+
+	for_each_property(node, prop) {
+		char *str;
+
+		if (!prop_is_gpio(prop))
+			continue;
+
+		str = strstr(prop->name, "gpio");
+		if (!streq(str, "gpio"))
+			continue;
+
+		FAIL(c, dti, "'[*-]gpio' is deprecated, use '[*-]gpios' instead for %s:%s",
+		     node->fullpath, prop->name);
+	}
+
+}
+CHECK(deprecated_gpio_property, check_deprecated_gpio_property, NULL);
+
+static bool node_is_interrupt_provider(struct node *node)
+{
+	struct property *prop;
+
+	prop = get_property(node, "interrupt-controller");
+	if (prop)
+		return true;
+
+	prop = get_property(node, "interrupt-map");
+	if (prop)
+		return true;
+
+	return false;
+}
+static void check_interrupts_property(struct check *c,
+				      struct dt_info *dti,
+				      struct node *node)
+{
+	struct node *root = dti->dt;
+	struct node *irq_node = NULL, *parent = node;
+	struct property *irq_prop, *prop = NULL;
+	int irq_cells, phandle;
+
+	irq_prop = get_property(node, "interrupts");
+	if (!irq_prop)
+		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);
+
+	while (parent && !prop) {
+		if (parent != node && node_is_interrupt_provider(parent)) {
+			irq_node = parent;
+			break;
+		}
+
+		prop = get_property(parent, "interrupt-parent");
+		if (prop) {
+			phandle = propval_cell(prop);
+			irq_node = get_node_by_phandle(root, phandle);
+			if (!irq_node) {
+				FAIL(c, dti, "Bad interrupt-parent phandle for %s",
+				     node->fullpath);
+				return;
+			}
+			if (!node_is_interrupt_provider(irq_node))
+				FAIL(c, dti,
+				     "Missing interrupt-controller or interrupt-map property in %s",
+				     irq_node->fullpath);
+
+			break;
+		}
+
+		parent = parent->parent;
+	}
+
+	if (!irq_node) {
+		FAIL(c, dti, "Missing interrupt-parent for %s", node->fullpath);
+		return;
+	}
+
+	prop = get_property(irq_node, "#interrupt-cells");
+	if (!prop) {
+		FAIL(c, dti, "Missing #interrupt-cells in interrupt-parent %s",
+		     irq_node->fullpath);
+		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);
+	}
+}
+WARNING(interrupts_property, check_interrupts_property, &phandle_references);
+
 static struct check *check_table[] = {
 	&duplicate_node_names, &duplicate_property_names,
 	&node_name_chars, &node_name_format, &property_name_chars,
@@ -987,6 +1246,27 @@ static struct check *check_table[] = {
 	&avoid_default_addr_size,
 	&obsolete_chosen_interrupt_controller,
 
+	&clocks_property,
+	&cooling_device_property,
+	&dmas_property,
+	&hwlocks_property,
+	&interrupts_extended_property,
+	&io_channels_property,
+	&iommus_property,
+	&mboxes_property,
+	&msi_parent_property,
+	&mux_controls_property,
+	&phys_property,
+	&power_domains_property,
+	&pwms_property,
+	&resets_property,
+	&sound_dais_property,
+	&thermal_sensors_property,
+
+	&deprecated_gpio_property,
+	&gpios_property,
+	&interrupts_property,
+
 	&always_fail,
 };