C++ (Cpp) of_compat_cmp Examples

Example #1

File: cpu_pwr_ctl.c Project: moonlightly/NX523J_kernel

static int power_on_l2_cache(struct device_node *l2ccc_node, int cpu)
{
	int ret, i;
	const char *compat;

	ret = of_property_read_string(l2ccc_node, "compatible", &compat);
	if (ret)
		return ret;

	for (i = 0; i < ARRAY_SIZE(l2ccc_info); i++) {
		const struct msm_l2ccc_of_info *ptr = &l2ccc_info[i];

		if (!of_compat_cmp(ptr->compat, compat, strlen(compat)))
				return ptr->l2_power_on(l2ccc_node,
						ptr->l2_power_on_mask, cpu);
	}
	pr_err("Compat string not found for L2CCC node\n");
	return -EIO;
}

Example #2

/** Checks if the given "compat" string matches one of the strings in
 * the device's "compatible" property
 */
static int __of_device_is_compatible(const struct device_node *device,
				     const char *compat)
{
	const char* cp;
	int cplen, l;

	cp = __of_get_property(device, "compatible", &cplen);
	if (cp == NULL)
		return 0;
	while (cplen > 0) {
		if (of_compat_cmp(cp, compat, strlen(compat)) == 0)
			return 1;
		l = strlen(cp) + 1;
		cp += l;
		cplen -= l;
	}

	return 0;
}

Example #3

File: fdt.c Project: skittime/android_kernel_zte_s2002

/**
 * of_fdt_is_compatible - Return true if given node from the given blob has
 * compat in its compatible list
 * @blob: A device tree blob
 * @node: node to test
 * @compat: compatible string to compare with compatible list.
 *
 * On match, returns a non-zero value with smaller values returned for more
 * specific compatible values.
 */
int of_fdt_is_compatible(struct boot_param_header *blob,
		      unsigned long node, const char *compat)
{
	const char *cp;
	unsigned long cplen, l, score = 0;

	cp = of_fdt_get_property(blob, node, "compatible", &cplen);
	if (cp == NULL)
		return 0;
	while (cplen > 0) {
		score++;
		if (of_compat_cmp(cp, compat, strlen(compat)) == 0)
			return score;
		l = strlen(cp) + 1;
		cp += l;
		cplen -= l;
	}

	return 0;
}

Example #4

File: fdt.c Project: SonicFrog/OS

/**
 * of_fdt_is_compatible - Return true if given node from the given blob has
 * compat in its compatible list
 * @blob: A device tree blob
 * @node: node to test
 * @compat: compatible string to compare with compatible list.
 *
 * On match, returns a non-zero value with smaller values returned for more
 * specific compatible values.
 */
int of_fdt_is_compatible(const void *blob,
		      unsigned long node, const char *compat)
{
	const char *cp;
	int cplen;
	unsigned long l, score = 0;

	cp = fdt_getprop(blob, node, "compatible", &cplen);
	if (cp == NULL)
		return 0;
	while (cplen > 0) {
		score++;
		if (of_compat_cmp(cp, compat, strlen(compat)) == 0)
			return score;
		l = strlen(cp) + 1;
		cp += l;
		cplen -= l;
	}

	return 0;
}

Example #5

File: of_access.c Project: Noltari/u-boot

int of_device_is_compatible(const struct device_node *device,
			    const char *compat, const char *type,
			    const char *name)
{
	struct property *prop;
	const char *cp;
	int index = 0, score = 0;

	/* Compatible match has highest priority */
	if (compat && compat[0]) {
		prop = of_find_property(device, "compatible", NULL);
		for (cp = of_prop_next_string(prop, NULL); cp;
		     cp = of_prop_next_string(prop, cp), index++) {
			if (of_compat_cmp(cp, compat, strlen(compat)) == 0) {
				score = INT_MAX/2 - (index << 2);
				break;
			}
		}
		if (!score)
			return 0;
	}

	/* Matching type is better than matching name */
	if (type && type[0]) {
		if (!device->type || of_node_cmp(type, device->type))
			return 0;
		score += 2;
	}

	/* Matching name is a bit better than not */
	if (name && name[0]) {
		if (!device->name || of_node_cmp(name, device->name))
			return 0;
		score++;
	}

	return score;
}