static int imx_iim_probe()

in imx-iim.c [97:131]

• 28 lines of code
• 4 McCabe index (conditional complexity)

static int imx_iim_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	struct iim_priv *iim;
	struct nvmem_device *nvmem;
	struct nvmem_config cfg = {};
	const struct imx_iim_drvdata *drvdata = NULL;

	iim = devm_kzalloc(dev, sizeof(*iim), GFP_KERNEL);
	if (!iim)
		return -ENOMEM;

	iim->base = devm_platform_ioremap_resource(pdev, 0);
	if (IS_ERR(iim->base))
		return PTR_ERR(iim->base);

	drvdata = of_device_get_match_data(&pdev->dev);

	iim->clk = devm_clk_get(dev, NULL);
	if (IS_ERR(iim->clk))
		return PTR_ERR(iim->clk);

	cfg.name = "imx-iim",
	cfg.read_only = true,
	cfg.word_size = 1,
	cfg.stride = 1,
	cfg.reg_read = imx_iim_read,
	cfg.dev = dev;
	cfg.size = drvdata->nregs;
	cfg.priv = iim;

	nvmem = devm_nvmem_register(dev, &cfg);

	return PTR_ERR_OR_ZERO(nvmem);
}