int cxl_map_component_regs()

in core/regs.c [183:201]

• 16 lines of code
• 2 McCabe index (conditional complexity)

int cxl_map_component_regs(struct pci_dev *pdev,
			   struct cxl_component_regs *regs,
			   struct cxl_register_map *map)
{
	struct device *dev = &pdev->dev;
	resource_size_t phys_addr;
	resource_size_t length;

	phys_addr = pci_resource_start(pdev, map->barno);
	phys_addr += map->block_offset;

	phys_addr += map->component_map.hdm_decoder.offset;
	length = map->component_map.hdm_decoder.size;
	regs->hdm_decoder = devm_cxl_iomap_block(dev, phys_addr, length);
	if (!regs->hdm_decoder)
		return -ENOMEM;

	return 0;
}