static acpi_status acpi_pmu_dev_add()

in xgene_pmu.c [1549:1594]

• 40 lines of code
• 12 McCabe index (conditional complexity)

static acpi_status acpi_pmu_dev_add(acpi_handle handle, u32 level,
				    void *data, void **return_value)
{
	const struct acpi_device_id *acpi_id;
	struct xgene_pmu *xgene_pmu = data;
	struct xgene_pmu_dev_ctx *ctx;
	struct acpi_device *adev;

	if (acpi_bus_get_device(handle, &adev))
		return AE_OK;
	if (acpi_bus_get_status(adev) || !adev->status.present)
		return AE_OK;

	acpi_id = xgene_pmu_acpi_match_type(xgene_pmu_acpi_type_match, adev);
	if (!acpi_id)
		return AE_OK;

	ctx = acpi_get_pmu_hw_inf(xgene_pmu, adev, (u32)acpi_id->driver_data);
	if (!ctx)
		return AE_OK;

	if (xgene_pmu_dev_add(xgene_pmu, ctx)) {
		/* Can't add the PMU device, skip it */
		devm_kfree(xgene_pmu->dev, ctx);
		return AE_OK;
	}

	switch (ctx->inf.type) {
	case PMU_TYPE_L3C:
		list_add(&ctx->next, &xgene_pmu->l3cpmus);
		break;
	case PMU_TYPE_IOB:
		list_add(&ctx->next, &xgene_pmu->iobpmus);
		break;
	case PMU_TYPE_IOB_SLOW:
		list_add(&ctx->next, &xgene_pmu->iobpmus);
		break;
	case PMU_TYPE_MCB:
		list_add(&ctx->next, &xgene_pmu->mcbpmus);
		break;
	case PMU_TYPE_MC:
		list_add(&ctx->next, &xgene_pmu->mcpmus);
		break;
	}
	return AE_OK;
}