Exemplos de dev_archdata_get_node em C++ (Cpp)

Exemplo n.º 1

Arquivo: pca953x.c Projeto: cruisesha/linux-2.6.32.9

/*
 * Translate OpenFirmware node properties into platform_data
 */
static struct pca953x_platform_data *
pca953x_get_alt_pdata(struct i2c_client *client)
{
	struct pca953x_platform_data *pdata;
	struct device_node *node;
	const uint16_t *val;

	node = dev_archdata_get_node(&client->dev.archdata);
	if (node == NULL)
		return NULL;

	pdata = kzalloc(sizeof(struct pca953x_platform_data), GFP_KERNEL);
	if (pdata == NULL) {
		dev_err(&client->dev, "Unable to allocate platform_data\n");
		return NULL;
	}

	pdata->gpio_base = -1;
	val = of_get_property(node, "linux,gpio-base", NULL);
	if (val) {
		if (*val < 0)
			dev_warn(&client->dev,
				 "invalid gpio-base in device tree\n");
		else
			pdata->gpio_base = *val;
	}

	val = of_get_property(node, "polarity", NULL);
	if (val)
		pdata->invert = *val;

	return pdata;
}

Exemplo n.º 2

Arquivo: of_i2c.c Projeto: johnny/CobraDroidBeta

static int of_dev_node_match(struct device *dev, void *data)
{
        return dev_archdata_get_node(&dev->archdata) == data;
}