Ejemplos de cros_ec_spi_dt_probe en C++ (Cpp)

Ejemplo n.º 1

Archivo: cros_ec_spi.c Proyecto: AshishNamdev/linux

static int cros_ec_spi_probe(struct spi_device *spi)
{
	struct device *dev = &spi->dev;
	struct cros_ec_device *ec_dev;
	struct cros_ec_spi *ec_spi;
	int err;

	spi->bits_per_word = 8;
	spi->mode = SPI_MODE_0;
	err = spi_setup(spi);
	if (err < 0)
		return err;

	ec_spi = devm_kzalloc(dev, sizeof(*ec_spi), GFP_KERNEL);
	if (ec_spi == NULL)
		return -ENOMEM;
	ec_spi->spi = spi;
	ec_dev = devm_kzalloc(dev, sizeof(*ec_dev), GFP_KERNEL);
	if (!ec_dev)
		return -ENOMEM;

	/* Check for any DT properties */
	cros_ec_spi_dt_probe(ec_spi, dev);

	spi_set_drvdata(spi, ec_dev);
	ec_dev->dev = dev;
	ec_dev->priv = ec_spi;
	ec_dev->irq = spi->irq;
	ec_dev->cmd_xfer = cros_ec_cmd_xfer_spi;
	ec_dev->pkt_xfer = cros_ec_pkt_xfer_spi;
	ec_dev->phys_name = dev_name(&ec_spi->spi->dev);
	ec_dev->din_size = EC_MSG_PREAMBLE_COUNT +
			   sizeof(struct ec_host_response) +
			   sizeof(struct ec_response_get_protocol_info);
	ec_dev->dout_size = sizeof(struct ec_host_request);


	err = cros_ec_register(ec_dev);
	if (err) {
		dev_err(dev, "cannot register EC\n");
		return err;
	}

	device_init_wakeup(&spi->dev, true);

	return 0;
}

Ejemplo n.º 2

Archivo: cros_ec_spi.c Proyecto: MaxChina/linux

static int cros_ec_spi_probe(struct spi_device *spi)
{
	struct device *dev = &spi->dev;
	struct cros_ec_device *ec_dev;
	struct cros_ec_spi *ec_spi;
	int err;

	spi->bits_per_word = 8;
	spi->mode = SPI_MODE_0;
	err = spi_setup(spi);
	if (err < 0)
		return err;

	ec_spi = devm_kzalloc(dev, sizeof(*ec_spi), GFP_KERNEL);
	if (ec_spi == NULL)
		return -ENOMEM;
	ec_spi->spi = spi;
	mutex_init(&ec_spi->lock);
	ec_dev = devm_kzalloc(dev, sizeof(*ec_dev), GFP_KERNEL);
	if (!ec_dev)
		return -ENOMEM;

	/* Check for any DT properties */
	cros_ec_spi_dt_probe(ec_spi, dev);

	spi_set_drvdata(spi, ec_dev);
	ec_dev->name = "SPI";
	ec_dev->dev = dev;
	ec_dev->priv = ec_spi;
	ec_dev->irq = spi->irq;
	ec_dev->command_xfer = cros_ec_command_spi_xfer;
	ec_dev->ec_name = ec_spi->spi->modalias;
	ec_dev->phys_name = dev_name(&ec_spi->spi->dev);
	ec_dev->parent = &ec_spi->spi->dev;
	ec_dev->din_size = EC_MSG_BYTES + EC_MSG_PREAMBLE_COUNT;
	ec_dev->dout_size = EC_MSG_BYTES;

	err = cros_ec_register(ec_dev);
	if (err) {
		dev_err(dev, "cannot register EC\n");
		return err;
	}

	return 0;
}