static int __put_scom()

in fsi-scom.c [75:105]

• 27 lines of code
• 5 McCabe index (conditional complexity)

static int __put_scom(struct scom_device *scom_dev, uint64_t value,
		      uint32_t addr, uint32_t *status)
{
	__be32 data, raw_status;
	int rc;

	data = cpu_to_be32((value >> 32) & 0xffffffff);
	rc = fsi_device_write(scom_dev->fsi_dev, SCOM_DATA0_REG, &data,
				sizeof(uint32_t));
	if (rc)
		return rc;

	data = cpu_to_be32(value & 0xffffffff);
	rc = fsi_device_write(scom_dev->fsi_dev, SCOM_DATA1_REG, &data,
				sizeof(uint32_t));
	if (rc)
		return rc;

	data = cpu_to_be32(SCOM_WRITE_CMD | addr);
	rc = fsi_device_write(scom_dev->fsi_dev, SCOM_CMD_REG, &data,
				sizeof(uint32_t));
	if (rc)
		return rc;
	rc = fsi_device_read(scom_dev->fsi_dev, SCOM_STATUS_REG, &raw_status,
			     sizeof(uint32_t));
	if (rc)
		return rc;
	*status = be32_to_cpu(raw_status);

	return 0;
}