static int __devinit msm_rng_probe(struct platform_device *pdev)
{
	struct resource *res;
	struct msm_rng_device *msm_rng_dev = NULL;
	void __iomem *base = NULL;
	int error = 0;
	int ret = 0;
	struct device *dev;

	struct msm_bus_scale_pdata *qrng_platform_support = NULL;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (res == NULL) {
		dev_err(&pdev->dev, "invalid address\n");
		error = -EFAULT;
		goto err_exit;
	}

	msm_rng_dev = kzalloc(sizeof(struct msm_rng_device), GFP_KERNEL);
	if (!msm_rng_dev) {
		dev_err(&pdev->dev, "cannot allocate memory\n");
		error = -ENOMEM;
		goto err_exit;
	}

	base = ioremap(res->start, resource_size(res));
	if (!base) {
		dev_err(&pdev->dev, "ioremap failed\n");
		error = -ENOMEM;
		goto err_iomap;
	}
	msm_rng_dev->base = base;

	msm_rng_dev->drbg_ctx = kzalloc(sizeof(struct fips_drbg_ctx_s),
					GFP_KERNEL);
	if (!msm_rng_dev->drbg_ctx) {
		dev_err(&pdev->dev, "cannot allocate memory\n");
		error = -ENOMEM;
		goto err_clk_get;
	}

	/* create a handle for clock control */
	if ((pdev->dev.of_node) && (of_property_read_bool(pdev->dev.of_node,
					"qcom,msm-rng-iface-clk")))
		msm_rng_dev->prng_clk = clk_get(&pdev->dev,
							"iface_clk");
	else
		msm_rng_dev->prng_clk = clk_get(&pdev->dev, "core_clk");
	if (IS_ERR(msm_rng_dev->prng_clk)) {
		dev_err(&pdev->dev, "failed to register clock source\n");
		error = -EPERM;
		goto err_clk_get;
	}

	/* save away pdev and register driver data */
	msm_rng_dev->pdev = pdev;
	platform_set_drvdata(pdev, msm_rng_dev);

	if (pdev->dev.of_node) {
		/* Register bus client */
		qrng_platform_support = msm_bus_cl_get_pdata(pdev);
		msm_rng_dev->qrng_perf_client = msm_bus_scale_register_client(
						qrng_platform_support);
		msm_rng_device_info.qrng_perf_client =
					msm_rng_dev->qrng_perf_client;
		if (!msm_rng_dev->qrng_perf_client)
			pr_err("Unable to register bus client\n");
	}

	/* Enable rng h/w */
	error = msm_rng_enable_hw(msm_rng_dev);

	if (error)
		goto rollback_clk;

	/* register with hwrng framework */
	msm_rng.priv = (unsigned long) msm_rng_dev;
	error = hwrng_register(&msm_rng);
	if (error) {
		dev_err(&pdev->dev, "failed to register hwrng\n");
		error = -EPERM;
		goto rollback_clk;
	}
	ret = register_chrdev(QRNG_IOC_MAGIC, DRIVER_NAME, &msm_rng_fops);

	msm_rng_class = class_create(THIS_MODULE, "msm-rng");
	if (IS_ERR(msm_rng_class)) {
		pr_err("class_create failed\n");
		return PTR_ERR(msm_rng_class);
	}

	dev = device_create(msm_rng_class, NULL, MKDEV(QRNG_IOC_MAGIC, 0),
				NULL, "msm-rng");
	if (IS_ERR(dev)) {
		pr_err("Device create failed\n");
		error = PTR_ERR(dev);
		goto unregister_chrdev;
	}
	cdev_init(&msm_rng_cdev, &msm_rng_fops);

//.........这里部分代码省略.........

static int __init mmc_omap_probe(struct platform_device *pdev)
{
	struct omap_mmc_platform_data *pdata = pdev->dev.platform_data;
	struct mmc_omap_host *host = NULL;
	struct resource *res;
	int i, ret = 0;
	int irq;

	if (pdata == NULL) {
		dev_err(&pdev->dev, "platform data missing\n");
		return -ENXIO;
	}
	if (pdata->nr_slots == 0) {
		dev_err(&pdev->dev, "no slots\n");
		return -ENXIO;
	}

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	irq = platform_get_irq(pdev, 0);
	if (res == NULL || irq < 0)
		return -ENXIO;

	res = request_mem_region(res->start, resource_size(res),
				 pdev->name);
	if (res == NULL)
		return -EBUSY;

	host = kzalloc(sizeof(struct mmc_omap_host), GFP_KERNEL);
	if (host == NULL) {
		ret = -ENOMEM;
		goto err_free_mem_region;
	}

	INIT_WORK(&host->slot_release_work, mmc_omap_slot_release_work);
	INIT_WORK(&host->send_stop_work, mmc_omap_send_stop_work);

	INIT_WORK(&host->cmd_abort_work, mmc_omap_abort_command);
	setup_timer(&host->cmd_abort_timer, mmc_omap_cmd_timer,
		    (unsigned long) host);

	spin_lock_init(&host->clk_lock);
	setup_timer(&host->clk_timer, mmc_omap_clk_timer, (unsigned long) host);

	spin_lock_init(&host->dma_lock);
	setup_timer(&host->dma_timer, mmc_omap_dma_timer, (unsigned long) host);
	spin_lock_init(&host->slot_lock);
	init_waitqueue_head(&host->slot_wq);

	host->pdata = pdata;
	host->dev = &pdev->dev;
	platform_set_drvdata(pdev, host);

	host->id = pdev->id;
	host->mem_res = res;
	host->irq = irq;

	host->use_dma = 1;
	host->dev->dma_mask = &pdata->dma_mask;
	host->dma_ch = -1;

	host->irq = irq;
	host->phys_base = host->mem_res->start;
	host->virt_base = ioremap(res->start, resource_size(res));
	if (!host->virt_base)
		goto err_ioremap;

	host->iclk = clk_get(&pdev->dev, "ick");
	if (IS_ERR(host->iclk)) {
		ret = PTR_ERR(host->iclk);
		goto err_free_mmc_host;
	}
	clk_enable(host->iclk);

	host->fclk = clk_get(&pdev->dev, "fck");
	if (IS_ERR(host->fclk)) {
		ret = PTR_ERR(host->fclk);
		goto err_free_iclk;
	}

	ret = request_irq(host->irq, mmc_omap_irq, 0, DRIVER_NAME, host);
	if (ret)
		goto err_free_fclk;

	if (pdata->init != NULL) {
		ret = pdata->init(&pdev->dev);
		if (ret < 0)
			goto err_free_irq;
	}

	host->nr_slots = pdata->nr_slots;
	for (i = 0; i < pdata->nr_slots; i++) {
		ret = mmc_omap_new_slot(host, i);
		if (ret < 0) {
			while (--i >= 0)
				mmc_omap_remove_slot(host->slots[i]);

			goto err_plat_cleanup;
		}
	}

//.........这里部分代码省略.........

static int __init exynos_sata_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	struct ata_port_info pi = ahci_port_info;
	const struct ata_port_info *ppi[] = { &pi, NULL };
	struct ahci_host_priv *hpriv;
	struct exynos_sata *sata;
	struct ata_host *host;
	struct resource *mem;
	int n_ports, i, ret;

	sata = devm_kzalloc(dev, sizeof(*sata), GFP_KERNEL);
	if (!sata) {
		dev_err(dev, "can't alloc sata\n");
		return -EINVAL;
	}

	hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
	if (!hpriv) {
		dev_err(dev, "can't alloc ahci_host_priv\n");
		ret = -ENOMEM;
		goto err1;
	}

	hpriv->flags |= (unsigned long)pi.private_data;

	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!mem) {
		dev_err(dev, "no mmio space\n");
		ret = -EINVAL;
		goto err2;
	}

	sata->irq = platform_get_irq(pdev, 0);
	if (sata->irq <= 0) {
		dev_err(dev, "no irq\n");
		ret = -EINVAL;
		goto err2;
	}

	hpriv->mmio = devm_ioremap(dev, mem->start, resource_size(mem));
	if (!hpriv->mmio) {
		dev_err(dev, "can't map %pR\n", mem);
		ret = -ENOMEM;
		goto err2;
	}

	exynos_sata_parse_dt(dev->of_node, sata);
	if (!sata->freq) {
		dev_err(dev, "can't determine sata frequency \n");
		ret = -ENOMEM;
		goto err2;
	}

	sata->sclk = devm_clk_get(dev, "sclk_sata");
	if (IS_ERR(sata->sclk)) {
		dev_err(dev, "failed to get sclk_sata\n");
		ret = PTR_ERR(sata->sclk);
		goto err3;
	}
	clk_enable(sata->sclk);

	clk_set_rate(sata->sclk, sata->freq * MHZ);

	sata->clk = devm_clk_get(dev, "sata");
	if (IS_ERR(sata->clk)) {
		dev_err(dev, "failed to get sata clock\n");
		ret = PTR_ERR(sata->clk);
		goto err4;
	}
	clk_enable(sata->clk);

	/*  Get a gen 3 PHY controller */

	sata->phy = sata_get_phy(SATA_PHY_GENERATION3);
	if (!sata->phy) {
		dev_err(dev, "failed to get sata phy\n");
		ret = -EPROBE_DEFER;
		goto err5;
	}

	/* Initialize the controller */

	ret = sata_init_phy(sata->phy);
	if (ret < 0) {
		dev_err(dev, "failed to initialize sata phy\n");
		goto err6;
	}

	ahci_save_initial_config(dev, hpriv, 0, 0);

	/* prepare host */
	if (hpriv->cap & HOST_CAP_NCQ)
		pi.flags |= ATA_FLAG_NCQ;

	if (hpriv->cap & HOST_CAP_PMP)
		pi.flags |= ATA_FLAG_PMP;

	ahci_set_em_messages(hpriv, &pi);

//.........这里部分代码省略.........

static int omap4_keypad_probe(struct platform_device *pdev)
{
	struct omap4_keypad *keypad_data;
	struct input_dev *input_dev;
	struct resource *res;
	unsigned int max_keys;
	int rev;
	int irq;
	int error;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res) {
		dev_err(&pdev->dev, "no base address specified\n");
		return -EINVAL;
	}

	irq = platform_get_irq(pdev, 0);
	if (!irq) {
		dev_err(&pdev->dev, "no keyboard irq assigned\n");
		return -EINVAL;
	}

	keypad_data = kzalloc(sizeof(struct omap4_keypad), GFP_KERNEL);
	if (!keypad_data) {
		dev_err(&pdev->dev, "keypad_data memory allocation failed\n");
		return -ENOMEM;
	}

	keypad_data->irq = irq;

	error = omap4_keypad_parse_dt(&pdev->dev, keypad_data);
	if (error)
		return error;

	res = request_mem_region(res->start, resource_size(res), pdev->name);
	if (!res) {
		dev_err(&pdev->dev, "can't request mem region\n");
		error = -EBUSY;
		goto err_free_keypad;
	}

	keypad_data->base = ioremap(res->start, resource_size(res));
	if (!keypad_data->base) {
		dev_err(&pdev->dev, "can't ioremap mem resource\n");
		error = -ENOMEM;
		goto err_release_mem;
	}


	/*
	 * Enable clocks for the keypad module so that we can read
	 * revision register.
	 */
	pm_runtime_enable(&pdev->dev);
	error = pm_runtime_get_sync(&pdev->dev);
	if (error) {
		dev_err(&pdev->dev, "pm_runtime_get_sync() failed\n");
		goto err_unmap;
	}
	rev = __raw_readl(keypad_data->base + OMAP4_KBD_REVISION);
	rev &= 0x03 << 30;
	rev >>= 30;
	switch (rev) {
	case KBD_REVISION_OMAP4:
		keypad_data->reg_offset = 0x00;
		keypad_data->irqreg_offset = 0x00;
		break;
	case KBD_REVISION_OMAP5:
		keypad_data->reg_offset = 0x10;
		keypad_data->irqreg_offset = 0x0c;
		break;
	default:
		dev_err(&pdev->dev,
			"Keypad reports unsupported revision %d", rev);
		error = -EINVAL;
		goto err_pm_put_sync;
	}

	/* input device allocation */
	keypad_data->input = input_dev = input_allocate_device();
	if (!input_dev) {
		error = -ENOMEM;
		goto err_pm_put_sync;
	}

	input_dev->name = pdev->name;
	input_dev->dev.parent = &pdev->dev;
	input_dev->id.bustype = BUS_HOST;
	input_dev->id.vendor = 0x0001;
	input_dev->id.product = 0x0001;
	input_dev->id.version = 0x0001;

	input_dev->open = omap4_keypad_open;
	input_dev->close = omap4_keypad_close;

	input_set_capability(input_dev, EV_MSC, MSC_SCAN);
	if (!keypad_data->no_autorepeat)
		__set_bit(EV_REP, input_dev->evbit);

	input_set_drvdata(input_dev, keypad_data);
//.........这里部分代码省略.........

static int __devinit c_can_plat_probe(struct platform_device *pdev)
{
	int ret;
	void __iomem *addr;
	struct net_device *dev;
	struct c_can_priv *priv;
	const struct platform_device_id *id;
	struct resource *mem;
	int irq;
	struct clk *clk;

	/* get the appropriate clk */
	clk = clk_get(&pdev->dev, NULL);
	if (IS_ERR(clk)) {
		dev_err(&pdev->dev, "no clock defined\n");
		ret = -ENODEV;
		goto exit;
	}

	/* get the platform data */
	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	irq = platform_get_irq(pdev, 0);
	if (!mem || irq <= 0) {
		ret = -ENODEV;
		goto exit_free_clk;
	}

	if (!request_mem_region(mem->start, resource_size(mem),
				KBUILD_MODNAME)) {
		dev_err(&pdev->dev, "resource unavailable\n");
		ret = -ENODEV;
		goto exit_free_clk;
	}

	addr = ioremap(mem->start, resource_size(mem));
	if (!addr) {
		dev_err(&pdev->dev, "failed to map can port\n");
		ret = -ENOMEM;
		goto exit_release_mem;
	}

	/* allocate the c_can device */
	dev = alloc_c_can_dev();
	if (!dev) {
		ret = -ENOMEM;
		goto exit_iounmap;
	}

	priv = netdev_priv(dev);
	id = platform_get_device_id(pdev);
	switch (id->driver_data) {
	case C_CAN_DEVTYPE:
		priv->regs = reg_map_c_can;
		switch (mem->flags & IORESOURCE_MEM_TYPE_MASK) {
		case IORESOURCE_MEM_32BIT:
			priv->read_reg = c_can_plat_read_reg_aligned_to_32bit;
			priv->write_reg = c_can_plat_write_reg_aligned_to_32bit;
			break;
		case IORESOURCE_MEM_16BIT:
		default:
			priv->read_reg = c_can_plat_read_reg_aligned_to_16bit;
			priv->write_reg = c_can_plat_write_reg_aligned_to_16bit;
			break;
		}
		break;
	case D_CAN_DEVTYPE:
		priv->regs = reg_map_d_can;
		priv->can.ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES;
		priv->read_reg = c_can_plat_read_reg_aligned_to_16bit;
		priv->write_reg = c_can_plat_write_reg_aligned_to_16bit;
		break;
	default:
		ret = -EINVAL;
		goto exit_free_device;
	}

	dev->irq = irq;
	priv->base = addr;
	priv->can.clock.freq = clk_get_rate(clk);
	priv->priv = clk;

	platform_set_drvdata(pdev, dev);
	SET_NETDEV_DEV(dev, &pdev->dev);

	ret = register_c_can_dev(dev);
	if (ret) {
		dev_err(&pdev->dev, "registering %s failed (err=%d)\n",
			KBUILD_MODNAME, ret);
		goto exit_free_device;
	}

	dev_info(&pdev->dev, "%s device registered (regs=%p, irq=%d)\n",
		 KBUILD_MODNAME, priv->base, dev->irq);
	return 0;

exit_free_device:
	platform_set_drvdata(pdev, NULL);
	free_c_can_dev(dev);
exit_iounmap:
	iounmap(addr);
//.........这里部分代码省略.........

static int mddi_probe(struct platform_device *pdev)
{
	struct msm_fb_data_type *mfd;
	struct platform_device *mdp_dev = NULL;
	struct msm_fb_panel_data *pdata = NULL;
	int rc;
	resource_size_t size ;
	u32 clk_rate;

	if ((pdev->id == 0) && (pdev->num_resources >= 0)) {
		mddi_pdata = pdev->dev.platform_data;

		size =  resource_size(&pdev->resource[0]);
		msm_pmdh_base =  ioremap(pdev->resource[0].start, size);

		MSM_FB_INFO("primary mddi base phy_addr = 0x%x virt = 0x%x\n",
				pdev->resource[0].start, (int) msm_pmdh_base);

		if (unlikely(!msm_pmdh_base))
			return -ENOMEM;

		if (mddi_pdata && mddi_pdata->mddi_power_save)
			mddi_pdata->mddi_power_save(1);

		mddi_resource_initialized = 1;
		return 0;
	}

	if (!mddi_resource_initialized)
		return -EPERM;

	mfd = platform_get_drvdata(pdev);

	if (!mfd)
		return -ENODEV;

	if (mfd->key != MFD_KEY)
		return -EINVAL;

	if (pdev_list_cnt >= MSM_FB_MAX_DEV_LIST)
		return -ENOMEM;

	mdp_dev = platform_device_alloc("mdp", pdev->id);
	if (!mdp_dev)
		return -ENOMEM;

	/*
	 * link to the latest pdev
	 */
	mfd->pdev = mdp_dev;
	mfd->dest = DISPLAY_LCD;

	/*
	 * alloc panel device data
	 */
	if (platform_device_add_data
	    (mdp_dev, pdev->dev.platform_data,
	     sizeof(struct msm_fb_panel_data))) {
		printk(KERN_ERR "mddi_probe: platform_device_add_data failed!\n");
		platform_device_put(mdp_dev);
		return -ENOMEM;
	}
	/*
	 * data chain
	 */
	pdata = mdp_dev->dev.platform_data;
	pdata->on = mddi_on;
	pdata->off = mddi_off;
	pdata->next = pdev;
	pdata->clk_func = pmdh_clk_func;
	/*
	 * get/set panel specific fb info
	 */
	mfd->panel_info = pdata->panel_info;

	if (mfd->index == 0)
		mfd->fb_imgType = MSMFB_DEFAULT_TYPE;
	else
		mfd->fb_imgType = MDP_RGB_565;

#ifdef CONFIG_MACH_ES209RA
	clk_rate = mfd->panel_info.clk_rate;
#else
	clk_rate = mfd->panel_info.clk_max;
#endif
	if (mddi_pdata &&
	    mddi_pdata->mddi_sel_clk &&
	    mddi_pdata->mddi_sel_clk(&clk_rate))
			printk(KERN_ERR
			  "%s: can't select mddi io clk targate rate = %d\n",
			  __func__, clk_rate);

	if (clk_set_max_rate(mddi_clk, clk_rate) < 0)
		printk(KERN_ERR "%s: clk_set_max_rate failed\n", __func__);
	mfd->panel_info.clk_rate = mfd->panel_info.clk_min;

	if (!mddi_client_type)
		mddi_client_type = mfd->panel_info.lcd.rev;
	else if (!mfd->panel_info.lcd.rev)
		printk(KERN_ERR
//.........这里部分代码省略.........

static int __devinit pil_modem_driver_probe(struct platform_device *pdev)
{
	struct modem_data *drv;
	struct resource *res;
	struct pil_desc *desc;
	int ret;

	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
	if (!drv)
		return -ENOMEM;
	platform_set_drvdata(pdev, drv);

	drv->irq = platform_get_irq(pdev, 0);
	if (drv->irq < 0)
		return drv->irq;

	drv->xo = devm_clk_get(&pdev->dev, "xo");
	if (IS_ERR(drv->xo))
		return PTR_ERR(drv->xo);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	drv->base = devm_request_and_ioremap(&pdev->dev, res);
	if (!drv->base)
		return -ENOMEM;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
	drv->wdog = devm_request_and_ioremap(&pdev->dev, res);
	if (!drv->wdog)
		return -ENOMEM;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
	if (!res)
		return -EINVAL;

	drv->cbase = devm_ioremap(&pdev->dev, res->start, resource_size(res));
	if (!drv->cbase)
		return -ENOMEM;

	desc = &drv->pil_desc;
	desc->name = "modem";
	desc->dev = &pdev->dev;
	desc->owner = THIS_MODULE;
	desc->proxy_timeout = 10000;

	if (pas_supported(PAS_MODEM) > 0) {
		desc->ops = &pil_modem_ops_trusted;
		dev_info(&pdev->dev, "using secure boot\n");
	} else {
		desc->ops = &pil_modem_ops;
		dev_info(&pdev->dev, "using non-secure boot\n");
	}
	ret = pil_desc_init(desc);
	if (ret)
		return ret;

	drv->notifier.notifier_call = modem_notif_handler,
	ret = modem_register_notifier(&drv->notifier);
	if (ret)
		goto err_notify;

	drv->subsys_desc.name = "modem";
	drv->subsys_desc.depends_on = "adsp";
	drv->subsys_desc.dev = &pdev->dev;
	drv->subsys_desc.owner = THIS_MODULE;
	drv->subsys_desc.shutdown = modem_shutdown;
	drv->subsys_desc.powerup = modem_powerup;
	drv->subsys_desc.ramdump = modem_ramdump;
	drv->subsys_desc.crash_shutdown = modem_crash_shutdown;

	INIT_WORK(&drv->fatal_work, modem_fatal_fn);
	INIT_DELAYED_WORK(&drv->unlock_work, modem_unlock_timeout);

	drv->subsys = subsys_register(&drv->subsys_desc);
	if (IS_ERR(drv->subsys)) {
		ret = PTR_ERR(drv->subsys);
		goto err_subsys;
	}

	drv->ramdump_dev = create_ramdump_device("modem", &pdev->dev);
	if (!drv->ramdump_dev) {
		ret = -ENOMEM;
		goto err_ramdump;
	}

	scm_pas_init(MSM_BUS_MASTER_SPS);

	ret = devm_request_irq(&pdev->dev, drv->irq, modem_wdog_bite_irq,
			IRQF_TRIGGER_RISING, "modem_watchdog", drv);
	if (ret)
		goto err_irq;
	disable_irq(drv->irq);
	return 0;

err_irq:
	destroy_ramdump_device(drv->ramdump_dev);
err_ramdump:
	subsys_unregister(drv->subsys);
err_subsys:
	modem_unregister_notifier(&drv->notifier);
err_notify:
//.........这里部分代码省略.........

/*
 * Set up a CCU.  Call the provided ccu_clks_setup callback to
 * initialize the array of clocks provided by the CCU.
 */
void __init kona_dt_ccu_setup(struct device_node *node,
			int (*ccu_clks_setup)(struct ccu_data *))
{
	struct ccu_data *ccu;
	struct resource res = { 0 };
	resource_size_t range;
	int ret;

	ccu = kzalloc(sizeof(*ccu), GFP_KERNEL);
	if (ccu)
		ccu->name = kstrdup(node->name, GFP_KERNEL);
	if (!ccu || !ccu->name) {
		pr_err("%s: unable to allocate CCU struct for %s\n",
			__func__, node->name);
		kfree(ccu);

		return;
	}

	ret = of_address_to_resource(node, 0, &res);
	if (ret) {
		pr_err("%s: no valid CCU registers found for %s\n", __func__,
			node->name);
		goto out_err;
	}

	range = resource_size(&res);
	if (range > (resource_size_t)U32_MAX) {
		pr_err("%s: address range too large for %s\n", __func__,
			node->name);
		goto out_err;
	}

	ccu->range = (u32)range;
	ccu->base = ioremap(res.start, ccu->range);
	if (!ccu->base) {
		pr_err("%s: unable to map CCU registers for %s\n", __func__,
			node->name);
		goto out_err;
	}

	spin_lock_init(&ccu->lock);
	INIT_LIST_HEAD(&ccu->links);
	ccu->node = of_node_get(node);

	list_add_tail(&ccu->links, &ccu_list);

	/* Set up clocks array (in ccu->data) */
	if (ccu_clks_setup(ccu))
		goto out_err;

	ret = of_clk_add_provider(node, of_clk_src_onecell_get, &ccu->data);
	if (ret) {
		pr_err("%s: error adding ccu %s as provider (%d)\n", __func__,
				node->name, ret);
		goto out_err;
	}

	if (!kona_ccu_init(ccu))
		pr_err("Broadcom %s initialization had errors\n", node->name);

	return;
out_err:
	kona_ccu_teardown(ccu);
	pr_err("Broadcom %s setup aborted\n", node->name);
}

static int s3c24xx_spi_probe(struct platform_device *pdev)
{
	struct s3c2410_spi_info *pdata;
	struct s3c24xx_spi *hw;
	struct spi_master *master;
	struct resource *res;
	int err = 0;

	master = spi_alloc_master(&pdev->dev, sizeof(struct s3c24xx_spi));
	if (master == NULL) {
		dev_err(&pdev->dev, "No memory for spi_master\n");
		err = -ENOMEM;
		goto err_nomem;
	}

	hw = spi_master_get_devdata(master);
	memset(hw, 0, sizeof(struct s3c24xx_spi));

	hw->master = master;
	hw->pdata = pdata = dev_get_platdata(&pdev->dev);
	hw->dev = &pdev->dev;

	if (pdata == NULL) {
		dev_err(&pdev->dev, "No platform data supplied\n");
		err = -ENOENT;
		goto err_no_pdata;
	}

	platform_set_drvdata(pdev, hw);
	init_completion(&hw->done);

	/* initialise fiq handler */

	s3c24xx_spi_initfiq(hw);

	/* setup the master state. */

	/* the spi->mode bits understood by this driver: */
	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;

	master->num_chipselect = hw->pdata->num_cs;
	master->bus_num = pdata->bus_num;

	/* setup the state for the bitbang driver */

	hw->bitbang.master         = hw->master;
	hw->bitbang.setup_transfer = s3c24xx_spi_setupxfer;
	hw->bitbang.chipselect     = s3c24xx_spi_chipsel;
	hw->bitbang.txrx_bufs      = s3c24xx_spi_txrx;

	hw->master->setup  = s3c24xx_spi_setup;
	hw->master->cleanup = s3c24xx_spi_cleanup;

	dev_dbg(hw->dev, "bitbang at %p\n", &hw->bitbang);

	/* find and map our resources */

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (res == NULL) {
		dev_err(&pdev->dev, "Cannot get IORESOURCE_MEM\n");
		err = -ENOENT;
		goto err_no_iores;
	}

	hw->ioarea = request_mem_region(res->start, resource_size(res),
					pdev->name);

	if (hw->ioarea == NULL) {
		dev_err(&pdev->dev, "Cannot reserve region\n");
		err = -ENXIO;
		goto err_no_iores;
	}

	hw->regs = ioremap(res->start, resource_size(res));
	if (hw->regs == NULL) {
		dev_err(&pdev->dev, "Cannot map IO\n");
		err = -ENXIO;
		goto err_no_iomap;
	}

	hw->irq = platform_get_irq(pdev, 0);
	if (hw->irq < 0) {
		dev_err(&pdev->dev, "No IRQ specified\n");
		err = -ENOENT;
		goto err_no_irq;
	}

	err = request_irq(hw->irq, s3c24xx_spi_irq, 0, pdev->name, hw);
	if (err) {
		dev_err(&pdev->dev, "Cannot claim IRQ\n");
		goto err_no_irq;
	}

	hw->clk = clk_get(&pdev->dev, "spi");
	if (IS_ERR(hw->clk)) {
		dev_err(&pdev->dev, "No clock for device\n");
		err = PTR_ERR(hw->clk);
		goto err_no_clk;
	}

//.........这里部分代码省略.........

static __devinit int tegra_i2s_platform_probe(struct platform_device *pdev)
{
	struct tegra_i2s * i2s;
	struct resource *mem, *memregion, *dmareq;
	u32 of_dma[2];
	u32 dma_ch;
	int ret;

	i2s = devm_kzalloc(&pdev->dev, sizeof(struct tegra_i2s), GFP_KERNEL);
	if (!i2s) {
		dev_err(&pdev->dev, "Can't allocate tegra_i2s\n");
		ret = -ENOMEM;
		goto err;
	}
	dev_set_drvdata(&pdev->dev, i2s);

	i2s->dai = tegra_i2s_dai_template;
	i2s->dai.name = dev_name(&pdev->dev);

	i2s->clk_i2s = clk_get(&pdev->dev, NULL);
	if (IS_ERR(i2s->clk_i2s)) {
		dev_err(&pdev->dev, "Can't retrieve i2s clock\n");
		ret = PTR_ERR(i2s->clk_i2s);
		goto err;
	}

	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!mem) {
		dev_err(&pdev->dev, "No memory resource\n");
		ret = -ENODEV;
		goto err_clk_put;
	}

	dmareq = platform_get_resource(pdev, IORESOURCE_DMA, 0);
	if (!dmareq) {
		if (of_property_read_u32_array(pdev->dev.of_node,
					"nvidia,dma-request-selector",
					of_dma, 2) < 0) {
			dev_err(&pdev->dev, "No DMA resource\n");
			ret = -ENODEV;
			goto err_clk_put;
		}
		dma_ch = of_dma[1];
	} else {
		dma_ch = dmareq->start;
	}

	memregion = devm_request_mem_region(&pdev->dev, mem->start,
					    resource_size(mem), DRV_NAME);
	if (!memregion) {
		dev_err(&pdev->dev, "Memory region already claimed\n");
		ret = -EBUSY;
		goto err_clk_put;
	}

	i2s->regs = devm_ioremap(&pdev->dev, mem->start, resource_size(mem));
	if (!i2s->regs) {
		dev_err(&pdev->dev, "ioremap failed\n");
		ret = -ENOMEM;
		goto err_clk_put;
	}

	i2s->capture_dma_data.addr = mem->start + TEGRA_I2S_FIFO2;
	i2s->capture_dma_data.wrap = 4;
	i2s->capture_dma_data.width = 32;
	i2s->capture_dma_data.req_sel = dma_ch;

	i2s->playback_dma_data.addr = mem->start + TEGRA_I2S_FIFO1;
	i2s->playback_dma_data.wrap = 4;
	i2s->playback_dma_data.width = 32;
	i2s->playback_dma_data.req_sel = dma_ch;

	i2s->reg_ctrl = TEGRA_I2S_CTRL_FIFO_FORMAT_PACKED;

	ret = snd_soc_register_dai(&pdev->dev, &i2s->dai);
	if (ret) {
		dev_err(&pdev->dev, "Could not register DAI: %d\n", ret);
		ret = -ENOMEM;
		goto err_clk_put;
	}

	tegra_i2s_debug_add(i2s);

	return 0;

err_clk_put:
	clk_put(i2s->clk_i2s);
err:
	return ret;
}

/**
 * usb_hcd_ppc_soc_probe - initialize On-Chip HCDs
 * Context: !in_interrupt()
 *
 * Allocates basic resources for this USB host controller.
 *
 * Store this function in the HCD's struct pci_driver as probe().
 */
static int usb_hcd_ppc_soc_probe(const struct hc_driver *driver,
			  struct platform_device *pdev)
{
	int retval;
	struct usb_hcd *hcd;
	struct ohci_hcd	*ohci;
	struct resource *res;
	int irq;

	pr_debug("initializing PPC-SOC USB Controller\n");

	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
	if (!res) {
		pr_debug("%s: no irq\n", __FILE__);
		return -ENODEV;
	}
	irq = res->start;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res) {
		pr_debug("%s: no reg addr\n", __FILE__);
		return -ENODEV;
	}

	hcd = usb_create_hcd(driver, &pdev->dev, "PPC-SOC USB");
	if (!hcd)
		return -ENOMEM;
	hcd->rsrc_start = res->start;
	hcd->rsrc_len = resource_size(res);

	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
		pr_debug("%s: request_mem_region failed\n", __FILE__);
		retval = -EBUSY;
		goto err1;
	}

	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
	if (!hcd->regs) {
		pr_debug("%s: ioremap failed\n", __FILE__);
		retval = -ENOMEM;
		goto err2;
	}

	ohci = hcd_to_ohci(hcd);
	ohci->flags |= OHCI_QUIRK_BE_MMIO | OHCI_QUIRK_BE_DESC;

#ifdef CONFIG_PPC_MPC52xx
	/* MPC52xx doesn't need frame_no shift */
	ohci->flags |= OHCI_QUIRK_FRAME_NO;
#endif
	ohci_hcd_init(ohci);

	retval = usb_add_hcd(hcd, irq, 0);
	if (retval == 0)
		return retval;

	pr_debug("Removing PPC-SOC USB Controller\n");

	iounmap(hcd->regs);
 err2:
	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 err1:
	usb_put_hcd(hcd);
	return retval;
}

static int __init ilc_probe(struct platform_device *pdev)
{
	struct stm_plat_ilc3_data *pdata = pdev->dev.platform_data;
	struct resource *memory;
	int memory_size;
	struct ilc *ilc;
	int i;
	int error = 0;

	memory = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!memory)
		return -EINVAL;
	memory_size = resource_size(memory);

	if (!request_mem_region(memory->start, memory_size, pdev->name))
		return -EBUSY;

	ilc = kzalloc(sizeof(struct ilc), GFP_KERNEL);
	if (!ilc)
		return -ENOMEM;
	platform_set_drvdata(pdev, ilc);

	ilc->clk = clk_get(&pdev->dev, "comms_clk");
	clk_enable(ilc->clk); /* Just to increase the usage_counter */

	spin_lock_init(&ilc->lock);

	ilc->name = dev_name(&pdev->dev);
	ilc->inputs_num = pdata->inputs_num;
	ilc->outputs_num = pdata->outputs_num;
	ilc->first_irq = pdata->first_irq;
	ilc->disable_wakeup = pdata->disable_wakeup;

	ilc->base = ioremap(memory->start, memory_size);
	if (!ilc->base)
		return -ENOMEM;

	ilc->irqs = kzalloc(sizeof(struct ilc_irq) * ilc->inputs_num,
			GFP_KERNEL);
	if (!ilc->irqs)
		return -ENOMEM;

	for (i = 0; i < ilc->inputs_num; ++i) {
		ilc->irqs[i].priority = 7;
		ilc->irqs[i].trigger_mode = ILC_TRIGGERMODE_HIGH;
	}

	ilc->priority = kzalloc(ilc->outputs_num * sizeof(long*), GFP_KERNEL);
	if (!ilc->priority)
		return -ENOMEM;

	for (i = 0; i < ilc->outputs_num; ++i) {
		ilc->priority[i] = kzalloc(sizeof(long) *
				DIV_ROUND_UP(ilc->inputs_num, 32), GFP_KERNEL);
		if (!ilc->priority[i])
			return -ENOMEM;
	}

	ilc_demux_init(pdev);

	list_add(&ilc->list, &ilcs_list);

	/* sysdev doesn't appear to like id's of -1 */
	ilc->sysdev.id = (pdev->id == -1) ? 0 : pdev->id;

	ilc->sysdev.cls = &ilc_sysdev_class,
	error = sysdev_register(&ilc->sysdev);

	return error;
}

static int __init davinci_vc_probe(struct platform_device *pdev)
{
	struct davinci_vc *davinci_vc;
	struct resource *res, *mem;
	struct mfd_cell *cell = NULL;
	int ret;

	davinci_vc = kzalloc(sizeof(struct davinci_vc), GFP_KERNEL);
	if (!davinci_vc) {
		dev_dbg(&pdev->dev,
			    "could not allocate memory for private data\n");
		return -ENOMEM;
	}

	davinci_vc->clk = clk_get(&pdev->dev, NULL);
	if (IS_ERR(davinci_vc->clk)) {
		dev_dbg(&pdev->dev,
			    "could not get the clock for voice codec\n");
		ret = -ENODEV;
		goto fail1;
	}
	clk_enable(davinci_vc->clk);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res) {
		dev_err(&pdev->dev, "no mem resource\n");
		ret = -ENODEV;
		goto fail2;
	}

	davinci_vc->pbase = res->start;
	davinci_vc->base_size = resource_size(res);

	mem = request_mem_region(davinci_vc->pbase, davinci_vc->base_size,
				 pdev->name);
	if (!mem) {
		dev_err(&pdev->dev, "VCIF region already claimed\n");
		ret = -EBUSY;
		goto fail2;
	}

	davinci_vc->base = ioremap(davinci_vc->pbase, davinci_vc->base_size);
	if (!davinci_vc->base) {
		dev_err(&pdev->dev, "can't ioremap mem resource.\n");
		ret = -ENOMEM;
		goto fail3;
	}

	res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
	if (!res) {
		dev_err(&pdev->dev, "no DMA resource\n");
		ret = -ENXIO;
		goto fail4;
	}

	davinci_vc->davinci_vcif.dma_tx_channel = res->start;
	davinci_vc->davinci_vcif.dma_tx_addr =
		(dma_addr_t)(io_v2p(davinci_vc->base) + DAVINCI_VC_WFIFO);

	res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
	if (!res) {
		dev_err(&pdev->dev, "no DMA resource\n");
		ret = -ENXIO;
		goto fail4;
	}

	davinci_vc->davinci_vcif.dma_rx_channel = res->start;
	davinci_vc->davinci_vcif.dma_rx_addr =
		(dma_addr_t)(io_v2p(davinci_vc->base) + DAVINCI_VC_RFIFO);

	davinci_vc->dev = &pdev->dev;
	davinci_vc->pdev = pdev;

	/* Voice codec interface client */
	cell = &davinci_vc->cells[DAVINCI_VC_VCIF_CELL];
	cell->name = "davinci-vcif";
	cell->mfd_data = davinci_vc;

	/* Voice codec CQ93VC client */
	cell = &davinci_vc->cells[DAVINCI_VC_CQ93VC_CELL];
	cell->name = "cq93vc-codec";
	cell->mfd_data = davinci_vc;

	ret = mfd_add_devices(&pdev->dev, pdev->id, davinci_vc->cells,
			      DAVINCI_VC_CELLS, NULL, 0);
	if (ret != 0) {
		dev_err(&pdev->dev, "fail to register client devices\n");
		goto fail4;
	}

	return 0;

fail4:
	iounmap(davinci_vc->base);
fail3:
	release_mem_region(davinci_vc->pbase, davinci_vc->base_size);
fail2:
	clk_disable(davinci_vc->clk);
	clk_put(davinci_vc->clk);
	davinci_vc->clk = NULL;
//.........这里部分代码省略.........

static long iTCO_wdt_ioctl(struct file *file, unsigned int cmd,
							unsigned long arg)
{
	int new_options, retval = -EINVAL;
	int new_heartbeat;
	void __user *argp = (void __user *)arg;
	int __user *p = argp;
	static struct watchdog_info ident = {
		.options =		WDIOF_SETTIMEOUT |
					WDIOF_KEEPALIVEPING |
					WDIOF_MAGICCLOSE,
		.firmware_version =	0,
		.identity =		DRV_NAME,
	};

	switch (cmd) {
	case WDIOC_GETSUPPORT:
		return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
	case WDIOC_GETSTATUS:
	case WDIOC_GETBOOTSTATUS:
		return put_user(0, p);

	case WDIOC_SETOPTIONS:
	{
		if (get_user(new_options, p))
			return -EFAULT;

		if (new_options & WDIOS_DISABLECARD) {
			iTCO_wdt_stop();
			retval = 0;
		}
		if (new_options & WDIOS_ENABLECARD) {
			iTCO_wdt_keepalive();
			iTCO_wdt_start();
			retval = 0;
		}
		return retval;
	}
	case WDIOC_KEEPALIVE:
		iTCO_wdt_keepalive();
		return 0;

	case WDIOC_SETTIMEOUT:
	{
		if (get_user(new_heartbeat, p))
			return -EFAULT;
		if (iTCO_wdt_set_heartbeat(new_heartbeat))
			return -EINVAL;
		iTCO_wdt_keepalive();
		/* Fall */
	}
	case WDIOC_GETTIMEOUT:
		return put_user(heartbeat, p);
	case WDIOC_GETTIMELEFT:
	{
		int time_left;
		if (iTCO_wdt_get_timeleft(&time_left))
			return -EINVAL;
		return put_user(time_left, p);
	}
	default:
		return -ENOTTY;
	}
}

/*
 *	Kernel Interfaces
 */

static const struct file_operations iTCO_wdt_fops = {
	.owner =		THIS_MODULE,
	.llseek =		no_llseek,
	.write =		iTCO_wdt_write,
	.unlocked_ioctl =	iTCO_wdt_ioctl,
	.open =			iTCO_wdt_open,
	.release =		iTCO_wdt_release,
};

static struct miscdevice iTCO_wdt_miscdev = {
	.minor =	WATCHDOG_MINOR,
	.name =		"watchdog",
	.fops =		&iTCO_wdt_fops,
};

/*
 *	Init & exit routines
 */

static void __devexit iTCO_wdt_cleanup(void)
{
	/* Stop the timer before we leave */
	if (!nowayout)
		iTCO_wdt_stop();

	/* Deregister */
	misc_deregister(&iTCO_wdt_miscdev);

	/* release resources */
	release_region(iTCO_wdt_private.tco_res->start,
			resource_size(iTCO_wdt_private.tco_res));
//.........这里部分代码省略.........

static int __devinit msm_ssbi_probe(struct platform_device *pdev)
{
	const struct msm_ssbi_platform_data *pdata = pdev->dev.platform_data;
	struct resource *mem_res;
	struct msm_ssbi *ssbi;
	int ret = 0;

	if (!pdata) {
		pr_err("missing platform data\n");
		return -EINVAL;
	}

	pr_debug("%s\n", pdata->slave.name);

	ssbi = kzalloc(sizeof(struct msm_ssbi), GFP_KERNEL);
	if (!ssbi) {
		pr_err("can not allocate ssbi_data\n");
		return -ENOMEM;
	}

	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!mem_res) {
		pr_err("missing mem resource\n");
		ret = -EINVAL;
		goto err_get_mem_res;
	}

	ssbi->base = ioremap(mem_res->start, resource_size(mem_res));
	if (!ssbi->base) {
		pr_err("ioremap of 0x%p failed\n", (void *)mem_res->start);
		ret = -EINVAL;
		goto err_ioremap;
	}
	ssbi->dev = &pdev->dev;
	platform_set_drvdata(pdev, ssbi);

	ssbi->controller_type = pdata->controller_type;
	if (ssbi->controller_type == MSM_SBI_CTRL_PMIC_ARBITER) {
		ssbi->read = msm_ssbi_pa_read_bytes;
		ssbi->write = msm_ssbi_pa_write_bytes;
	} else {
		ssbi->read = msm_ssbi_read_bytes;
		ssbi->write = msm_ssbi_write_bytes;
	}

	spin_lock_init(&ssbi->lock);

	ret = msm_ssbi_add_slave(ssbi, &pdata->slave);
	if (ret)
		goto err_ssbi_add_slave;

	return 0;

err_ssbi_add_slave:
	platform_set_drvdata(pdev, NULL);
	iounmap(ssbi->base);
err_ioremap:
err_get_mem_res:
	kfree(ssbi);
	return ret;
}

static int sh_keysc_probe(struct platform_device *pdev)
{
	struct sh_keysc_priv *priv;
	struct sh_keysc_info *pdata;
	struct resource *res;
	struct input_dev *input;
	int i;
	int irq, error;

	if (!pdev->dev.platform_data) {
		dev_err(&pdev->dev, "no platform data defined\n");
		error = -EINVAL;
		goto err0;
	}

	error = -ENXIO;
	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (res == NULL) {
		dev_err(&pdev->dev, "failed to get I/O memory\n");
		goto err0;
	}

	irq = platform_get_irq(pdev, 0);
	if (irq < 0) {
		dev_err(&pdev->dev, "failed to get irq\n");
		goto err0;
	}

	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
	if (priv == NULL) {
		dev_err(&pdev->dev, "failed to allocate driver data\n");
		error = -ENOMEM;
		goto err0;
	}

	platform_set_drvdata(pdev, priv);
	memcpy(&priv->pdata, pdev->dev.platform_data, sizeof(priv->pdata));
	pdata = &priv->pdata;

	priv->iomem_base = ioremap_nocache(res->start, resource_size(res));
	if (priv->iomem_base == NULL) {
		dev_err(&pdev->dev, "failed to remap I/O memory\n");
		error = -ENXIO;
		goto err1;
	}

	priv->input = input_allocate_device();
	if (!priv->input) {
		dev_err(&pdev->dev, "failed to allocate input device\n");
		error = -ENOMEM;
		goto err2;
	}

	input = priv->input;
	input->evbit[0] = BIT_MASK(EV_KEY);

	input->name = pdev->name;
	input->phys = "sh-keysc-keys/input0";
	input->dev.parent = &pdev->dev;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	input->keycode = pdata->keycodes;
	input->keycodesize = sizeof(pdata->keycodes[0]);
	input->keycodemax = ARRAY_SIZE(pdata->keycodes);

	error = request_threaded_irq(irq, NULL, sh_keysc_isr, IRQF_ONESHOT,
				     dev_name(&pdev->dev), pdev);
	if (error) {
		dev_err(&pdev->dev, "failed to request IRQ\n");
		goto err3;
	}

	for (i = 0; i < SH_KEYSC_MAXKEYS; i++)
		__set_bit(pdata->keycodes[i], input->keybit);
	__clear_bit(KEY_RESERVED, input->keybit);

	error = input_register_device(input);
	if (error) {
		dev_err(&pdev->dev, "failed to register input device\n");
		goto err4;
	}

	pm_runtime_enable(&pdev->dev);
	pm_runtime_get_sync(&pdev->dev);

	sh_keysc_write(priv, KYCR1, (sh_keysc_mode[pdata->mode].kymd << 8) |
		       pdata->scan_timing);
	sh_keysc_level_mode(priv, 0);

	device_init_wakeup(&pdev->dev, 1);

	return 0;

 err4:
	free_irq(irq, pdev);
 err3:
//.........这里部分代码省略.........

unsigned int cpm_pic_init(void)
{
	struct device_node *np = NULL;
	struct resource res;
	unsigned int sirq = 0, hwirq, eirq;
	int ret;

	pr_debug("cpm_pic_init\n");

	np = of_find_compatible_node(NULL, NULL, "fsl,cpm1-pic");
	if (np == NULL)
		np = of_find_compatible_node(NULL, "cpm-pic", "CPM");
	if (np == NULL) {
		printk(KERN_ERR "CPM PIC init: can not find cpm-pic node\n");
		return sirq;
	}

	ret = of_address_to_resource(np, 0, &res);
	if (ret)
		goto end;

	cpic_reg = ioremap(res.start, resource_size(&res));
	if (cpic_reg == NULL)
		goto end;

	sirq = irq_of_parse_and_map(np, 0);
	if (!sirq)
		goto end;

	/* Initialize the CPM interrupt controller. */
	hwirq = (unsigned int)virq_to_hw(sirq);
	out_be32(&cpic_reg->cpic_cicr,
	    (CICR_SCD_SCC4 | CICR_SCC_SCC3 | CICR_SCB_SCC2 | CICR_SCA_SCC1) |
		((hwirq/2) << 13) | CICR_HP_MASK);

	out_be32(&cpic_reg->cpic_cimr, 0);

	cpm_pic_host = irq_domain_add_linear(np, 64, &cpm_pic_host_ops, NULL);
	if (cpm_pic_host == NULL) {
		printk(KERN_ERR "CPM2 PIC: failed to allocate irq host!\n");
		sirq = 0;
		goto end;
	}

	/* Install our own error handler. */
	np = of_find_compatible_node(NULL, NULL, "fsl,cpm1");
	if (np == NULL)
		np = of_find_node_by_type(NULL, "cpm");
	if (np == NULL) {
		printk(KERN_ERR "CPM PIC init: can not find cpm node\n");
		goto end;
	}

	eirq = irq_of_parse_and_map(np, 0);
	if (!eirq)
		goto end;

	if (setup_irq(eirq, &cpm_error_irqaction))
		printk(KERN_ERR "Could not allocate CPM error IRQ!");

	setbits32(&