static void ca91cx42_remove()

in bridges/vme_ca91cx42.c [1844:1920]

• 56 lines of code
• 1 McCabe index (conditional complexity)

static void ca91cx42_remove(struct pci_dev *pdev)
{
	struct list_head *pos = NULL, *n;
	struct vme_master_resource *master_image;
	struct vme_slave_resource *slave_image;
	struct vme_dma_resource *dma_ctrlr;
	struct vme_lm_resource *lm;
	struct ca91cx42_driver *bridge;
	struct vme_bridge *ca91cx42_bridge = pci_get_drvdata(pdev);

	bridge = ca91cx42_bridge->driver_priv;


	/* Turn off Ints */
	iowrite32(0, bridge->base + LINT_EN);

	/* Turn off the windows */
	iowrite32(0x00800000, bridge->base + LSI0_CTL);
	iowrite32(0x00800000, bridge->base + LSI1_CTL);
	iowrite32(0x00800000, bridge->base + LSI2_CTL);
	iowrite32(0x00800000, bridge->base + LSI3_CTL);
	iowrite32(0x00800000, bridge->base + LSI4_CTL);
	iowrite32(0x00800000, bridge->base + LSI5_CTL);
	iowrite32(0x00800000, bridge->base + LSI6_CTL);
	iowrite32(0x00800000, bridge->base + LSI7_CTL);
	iowrite32(0x00F00000, bridge->base + VSI0_CTL);
	iowrite32(0x00F00000, bridge->base + VSI1_CTL);
	iowrite32(0x00F00000, bridge->base + VSI2_CTL);
	iowrite32(0x00F00000, bridge->base + VSI3_CTL);
	iowrite32(0x00F00000, bridge->base + VSI4_CTL);
	iowrite32(0x00F00000, bridge->base + VSI5_CTL);
	iowrite32(0x00F00000, bridge->base + VSI6_CTL);
	iowrite32(0x00F00000, bridge->base + VSI7_CTL);

	vme_unregister_bridge(ca91cx42_bridge);

	ca91cx42_crcsr_exit(ca91cx42_bridge, pdev);

	/* resources are stored in link list */
	list_for_each_safe(pos, n, &ca91cx42_bridge->lm_resources) {
		lm = list_entry(pos, struct vme_lm_resource, list);
		list_del(pos);
		kfree(lm);
	}

	/* resources are stored in link list */
	list_for_each_safe(pos, n, &ca91cx42_bridge->dma_resources) {
		dma_ctrlr = list_entry(pos, struct vme_dma_resource, list);
		list_del(pos);
		kfree(dma_ctrlr);
	}

	/* resources are stored in link list */
	list_for_each_safe(pos, n, &ca91cx42_bridge->slave_resources) {
		slave_image = list_entry(pos, struct vme_slave_resource, list);
		list_del(pos);
		kfree(slave_image);
	}

	/* resources are stored in link list */
	list_for_each_safe(pos, n, &ca91cx42_bridge->master_resources) {
		master_image = list_entry(pos, struct vme_master_resource,
			list);
		list_del(pos);
		kfree(master_image);
	}

	ca91cx42_irq_exit(bridge, pdev);

	iounmap(bridge->base);

	pci_release_regions(pdev);

	pci_disable_device(pdev);

	kfree(ca91cx42_bridge);
}