C++ dev_set_name函数代码示例

/*
 * Register a new MMC card with the driver model.
 */
int mmc_add_card(struct mmc_card *card)
{
	int ret;
	const char *type;
	const char *uhs_bus_speed_mode = "";
	static const char *const uhs_speeds[] = {
		[UHS_SDR12_BUS_SPEED] = "SDR12 ",
		[UHS_SDR25_BUS_SPEED] = "SDR25 ",
		[UHS_SDR50_BUS_SPEED] = "SDR50 ",
		[UHS_SDR104_BUS_SPEED] = "SDR104 ",
		[UHS_DDR50_BUS_SPEED] = "DDR50 ",
	};


	dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);

	switch (card->type) {
	case MMC_TYPE_MMC:
		type = "MMC";
		break;
	case MMC_TYPE_SD:
		type = "SD";
		if (mmc_card_blockaddr(card)) {
			if (mmc_card_ext_capacity(card))
				type = "SDXC";
			else
				type = "SDHC";
		}
		break;
	case MMC_TYPE_SDIO:
		type = "SDIO";
		break;
	case MMC_TYPE_SD_COMBO:
		type = "SD-combo";
		if (mmc_card_blockaddr(card))
			type = "SDHC-combo";
		break;
	default:
		type = "?";
		break;
	}

	if (mmc_sd_card_uhs(card) &&
		(card->sd_bus_speed < ARRAY_SIZE(uhs_speeds)))
		uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed];

	if (mmc_host_is_spi(card->host)) {
		pr_info("%s: new %s%s%s card on SPI\n",
			mmc_hostname(card->host),
			mmc_card_highspeed(card) ? "high speed " : "",
			mmc_card_ddr_mode(card) ? "DDR " : "",
			type);
	} else {
		pr_info("%s: new %s%s%s%s%s card at address %04x\n",
			mmc_hostname(card->host),
			mmc_card_uhs(card) ? "ultra high speed " :
			(mmc_card_highspeed(card) ? "high speed " : ""),
			(mmc_card_hs200(card) ? "HS200 " : ""),
			mmc_card_ddr_mode(card) ? "DDR " : "",
			uhs_bus_speed_mode, type, card->rca);
	}

#ifdef CONFIG_DEBUG_FS
	mmc_add_card_debugfs(card);
#endif
	mmc_init_context_info(card->host);

	ret = device_add(&card->dev);
	if (ret)
		return ret;

	mmc_card_set_present(card);

	return 0;
}

/******************************************************************************
 *                              module init/exit                              *
 *****************************************************************************/
static int __init mon_init(void)
{
	int rc;

	if (!MACHINE_IS_VM) {
		pr_err("The z/VM *MONITOR record device driver cannot be "
		       "loaded without z/VM\n");
		return -ENODEV;
	}

	/*
	 * Register with IUCV and connect to *MONITOR service
	 */
	rc = iucv_register(&monreader_iucv_handler, 1);
	if (rc) {
		pr_err("The z/VM *MONITOR record device driver failed to "
		       "register with IUCV\n");
		return rc;
	}

	rc = driver_register(&monreader_driver);
	if (rc)
		goto out_iucv;
	monreader_device = kzalloc(sizeof(struct device), GFP_KERNEL);
	if (!monreader_device)
		goto out_driver;
	dev_set_name(monreader_device, "monreader-dev");
	monreader_device->bus = &iucv_bus;
	monreader_device->parent = iucv_root;
	monreader_device->driver = &monreader_driver;
	monreader_device->release = (void (*)(struct device *))kfree;
	rc = device_register(monreader_device);
	if (rc) {
		put_device(monreader_device);
		goto out_driver;
	}

	rc = segment_type(mon_dcss_name);
	if (rc < 0) {
		segment_warning(rc, mon_dcss_name);
		goto out_device;
	}
	if (rc != SEG_TYPE_SC) {
		pr_err("The specified *MONITOR DCSS %s does not have the "
		       "required type SC\n", mon_dcss_name);
		rc = -EINVAL;
		goto out_device;
	}

	rc = segment_load(mon_dcss_name, SEGMENT_SHARED,
			  &mon_dcss_start, &mon_dcss_end);
	if (rc < 0) {
		segment_warning(rc, mon_dcss_name);
		rc = -EINVAL;
		goto out_device;
	}
	dcss_mkname(mon_dcss_name, &user_data_connect[8]);

	/*
	 * misc_register() has to be the last action in module_init(), because
	 * file operations will be available right after this.
	 */
	rc = misc_register(&mon_dev);
	if (rc < 0 )
		goto out;
	return 0;

out:
	segment_unload(mon_dcss_name);
out_device:
	device_unregister(monreader_device);
out_driver:
	driver_unregister(&monreader_driver);
out_iucv:
	iucv_unregister(&monreader_iucv_handler, 1);
	return rc;
}

static struct nd_region *nd_region_create(struct nvdimm_bus *nvdimm_bus,
		struct nd_region_desc *ndr_desc, struct device_type *dev_type,
		const char *caller)
{
	struct nd_region *nd_region;
	struct device *dev;
	void *region_buf;
	unsigned int i;
	int ro = 0;

	for (i = 0; i < ndr_desc->num_mappings; i++) {
		struct nd_mapping *nd_mapping = &ndr_desc->nd_mapping[i];
		struct nvdimm *nvdimm = nd_mapping->nvdimm;

		if ((nd_mapping->start | nd_mapping->size) % SZ_4K) {
			dev_err(&nvdimm_bus->dev, "%s: %s mapping%d is not 4K aligned\n",
					caller, dev_name(&nvdimm->dev), i);

			return NULL;
		}

		if (nvdimm->flags & NDD_UNARMED)
			ro = 1;
	}

	if (dev_type == &nd_blk_device_type) {
		struct nd_blk_region_desc *ndbr_desc;
		struct nd_blk_region *ndbr;

		ndbr_desc = to_blk_region_desc(ndr_desc);
		ndbr = kzalloc(sizeof(*ndbr) + sizeof(struct nd_mapping)
				* ndr_desc->num_mappings,
				GFP_KERNEL);
		if (ndbr) {
			nd_region = &ndbr->nd_region;
			ndbr->enable = ndbr_desc->enable;
			ndbr->disable = ndbr_desc->disable;
			ndbr->do_io = ndbr_desc->do_io;
		}
		region_buf = ndbr;
	} else {
		nd_region = kzalloc(sizeof(struct nd_region)
				+ sizeof(struct nd_mapping)
				* ndr_desc->num_mappings,
				GFP_KERNEL);
		region_buf = nd_region;
	}

	if (!region_buf)
		return NULL;
	nd_region->id = ida_simple_get(&region_ida, 0, 0, GFP_KERNEL);
	if (nd_region->id < 0)
		goto err_id;

	nd_region->lane = alloc_percpu(struct nd_percpu_lane);
	if (!nd_region->lane)
		goto err_percpu;

        for (i = 0; i < nr_cpu_ids; i++) {
		struct nd_percpu_lane *ndl;

		ndl = per_cpu_ptr(nd_region->lane, i);
		spin_lock_init(&ndl->lock);
		ndl->count = 0;
	}

	memcpy(nd_region->mapping, ndr_desc->nd_mapping,
			sizeof(struct nd_mapping) * ndr_desc->num_mappings);
	for (i = 0; i < ndr_desc->num_mappings; i++) {
		struct nd_mapping *nd_mapping = &ndr_desc->nd_mapping[i];
		struct nvdimm *nvdimm = nd_mapping->nvdimm;

		get_device(&nvdimm->dev);
	}
	nd_region->ndr_mappings = ndr_desc->num_mappings;
	nd_region->provider_data = ndr_desc->provider_data;
	nd_region->nd_set = ndr_desc->nd_set;
	nd_region->num_lanes = ndr_desc->num_lanes;
	nd_region->flags = ndr_desc->flags;
	nd_region->ro = ro;
	nd_region->numa_node = ndr_desc->numa_node;
	ida_init(&nd_region->ns_ida);
	ida_init(&nd_region->btt_ida);
	ida_init(&nd_region->pfn_ida);
	dev = &nd_region->dev;
	dev_set_name(dev, "region%d", nd_region->id);
	dev->parent = &nvdimm_bus->dev;
	dev->type = dev_type;
	dev->groups = ndr_desc->attr_groups;
	nd_region->ndr_size = resource_size(ndr_desc->res);
	nd_region->ndr_start = ndr_desc->res->start;
	nd_device_register(dev);

	return nd_region;

 err_percpu:
	ida_simple_remove(&region_ida, nd_region->id);
 err_id:
	kfree(region_buf);
	return NULL;
//.........这里部分代码省略.........

static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
					       struct device *parent,
					       struct device_node *np,
					       struct macio_dev *in_bay,
					       struct resource *parent_res)
{
	struct macio_dev *dev;
	const u32 *reg;
	
	if (np == NULL)
		return NULL;

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	if (!dev)
		return NULL;

	dev->bus = &chip->lbus;
	dev->media_bay = in_bay;
	dev->ofdev.dev.of_node = np;
	dev->ofdev.archdata.dma_mask = 0xffffffffUL;
	dev->ofdev.dev.dma_mask = &dev->ofdev.archdata.dma_mask;
	dev->ofdev.dev.parent = parent;
	dev->ofdev.dev.bus = &macio_bus_type;
	dev->ofdev.dev.release = macio_release_dev;
	dev->ofdev.dev.dma_parms = &dev->dma_parms;

	/* Standard DMA paremeters */
	dma_set_max_seg_size(&dev->ofdev.dev, 65536);
	dma_set_seg_boundary(&dev->ofdev.dev, 0xffffffff);

#ifdef CONFIG_PCI
	/* Set the DMA ops to the ones from the PCI device, this could be
	 * fishy if we didn't know that on PowerMac it's always direct ops
	 * or iommu ops that will work fine
	 */
	dev->ofdev.dev.archdata.dma_ops =
		chip->lbus.pdev->dev.archdata.dma_ops;
	dev->ofdev.dev.archdata.dma_data =
		chip->lbus.pdev->dev.archdata.dma_data;
#endif /* CONFIG_PCI */

#ifdef DEBUG
	printk("preparing mdev @%p, ofdev @%p, dev @%p, kobj @%p\n",
	       dev, &dev->ofdev, &dev->ofdev.dev, &dev->ofdev.dev.kobj);
#endif

	/* MacIO itself has a different reg, we use it's PCI base */
	if (np == chip->of_node) {
		dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s",
			     chip->lbus.index,
#ifdef CONFIG_PCI
			(unsigned int)pci_resource_start(chip->lbus.pdev, 0),
#else
			0, /* NuBus may want to do something better here */
#endif
			MAX_NODE_NAME_SIZE, np->name);
	} else {
		reg = of_get_property(np, "reg", NULL);
		dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s",
			     chip->lbus.index,
			     reg ? *reg : 0, MAX_NODE_NAME_SIZE, np->name);
	}

	/* Setup interrupts & resources */
	macio_setup_interrupts(dev);
	macio_setup_resources(dev, parent_res);
	macio_add_missing_resources(dev);

	/* Register with core */
	if (of_device_register(&dev->ofdev) != 0) {
		printk(KERN_DEBUG"macio: device registration error for %s!\n",
		       dev_name(&dev->ofdev.dev));
		kfree(dev);
		return NULL;
	}

	return dev;
}

static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo,
					int ctrl_nr)
{
	struct omap_hwmod *oh;
	struct omap_hwmod *ohs[1];
	struct omap_device *od;
	struct platform_device *pdev;
	char oh_name[MAX_OMAP_MMC_HWMOD_NAME_LEN];
	struct omap_hsmmc_platform_data *mmc_data;
	struct omap_hsmmc_dev_attr *mmc_dev_attr;
	char *name;
	int res;

	mmc_data = kzalloc(sizeof(*mmc_data), GFP_KERNEL);
	if (!mmc_data)
		return;

	res = omap_hsmmc_pdata_init(hsmmcinfo, mmc_data);
	if (res < 0)
		goto free_mmc;

	name = "omap_hsmmc";
	res = snprintf(oh_name, MAX_OMAP_MMC_HWMOD_NAME_LEN,
		     "mmc%d", ctrl_nr);
	WARN(res >= MAX_OMAP_MMC_HWMOD_NAME_LEN,
	     "String buffer overflow in MMC%d device setup\n", ctrl_nr);

	oh = omap_hwmod_lookup(oh_name);
	if (!oh) {
		pr_err("Could not look up %s\n", oh_name);
		goto free_name;
	}
	ohs[0] = oh;
	if (oh->dev_attr != NULL) {
		mmc_dev_attr = oh->dev_attr;
		mmc_data->controller_flags = mmc_dev_attr->flags;
		/*
		 * erratum 2.1.1.128 doesn't apply if board has
		 * a transceiver is attached
		 */
		if (hsmmcinfo->transceiver)
			mmc_data->controller_flags &=
				~OMAP_HSMMC_BROKEN_MULTIBLOCK_READ;
	}

	pdev = platform_device_alloc(name, ctrl_nr - 1);
	if (!pdev) {
		pr_err("Could not allocate pdev for %s\n", name);
		goto free_name;
	}
	dev_set_name(&pdev->dev, "%s.%d", pdev->name, pdev->id);

	od = omap_device_alloc(pdev, ohs, 1);
	if (IS_ERR(od)) {
		pr_err("Could not allocate od for %s\n", name);
		goto put_pdev;
	}

	res = platform_device_add_data(pdev, mmc_data,
			      sizeof(struct omap_hsmmc_platform_data));
	if (res) {
		pr_err("Could not add pdata for %s\n", name);
		goto put_pdev;
	}

	hsmmcinfo->pdev = pdev;

	if (hsmmcinfo->deferred)
		goto free_mmc;

	res = omap_device_register(pdev);
	if (res) {
		pr_err("Could not register od for %s\n", name);
		goto free_od;
	}

	goto free_mmc;

free_od:
	omap_device_delete(od);

put_pdev:
	platform_device_put(pdev);

free_name:
	kfree(mmc_data->name);

free_mmc:
	kfree(mmc_data);
}

/**
 * omap_hsmmc_reset() - Full reset of each HS-MMC controller
 *
 * Ensure that each MMC controller is fully reset.  Controllers
 * left in an unknown state (by bootloader) may prevent retention
 * or OFF-mode.  This is especially important in cases where the
 * MMC driver is not enabled, _or_ built as a module.
 *
 * In order for reset to work, interface, functional and debounce
 * clocks must be enabled.  The debounce clock comes from func_32k_clk
 * and is not under SW control, so we only enable i- and f-clocks.
 **/
static void __init omap_hsmmc_reset(void)
{
	u32 i, nr_controllers = cpu_is_omap44xx() ? OMAP44XX_NR_MMC :
		(cpu_is_omap34xx() ? OMAP34XX_NR_MMC : OMAP24XX_NR_MMC);

	for (i = 0; i < nr_controllers; i++) {
		u32 v, base = 0;
		struct clk *iclk, *fclk;
		struct device *dev = &dummy_pdev.dev;

		switch (i) {
		case 0:
			base = OMAP2_MMC1_BASE;
			break;
		case 1:
			base = OMAP2_MMC2_BASE;
			break;
		case 2:
			base = OMAP3_MMC3_BASE;
			break;
		case 3:
			if (!cpu_is_omap44xx())
				return;
			base = OMAP4_MMC4_BASE;
			break;
		case 4:
			if (!cpu_is_omap44xx())
				return;
			base = OMAP4_MMC5_BASE;
			break;
		}

		if (cpu_is_omap44xx())
			base += OMAP4_MMC_REG_OFFSET;

		dummy_pdev.id = i;
		dev_set_name(&dummy_pdev.dev, "mmci-omap-hs.%d", i);
		iclk = clk_get(dev, "ick");
		if (iclk && clk_enable(iclk))
			iclk = NULL;

		fclk = clk_get(dev, "fck");
		if (fclk && clk_enable(fclk))
			fclk = NULL;

		if (!iclk || !fclk) {
			printk(KERN_WARNING
			       "%s: Unable to enable clocks for MMC%d, "
			       "cannot reset.\n",  __func__, i);
			break;
		}

		omap_writel(MMCHS_SYSCONFIG_SWRESET, base + MMCHS_SYSCONFIG);
		v = omap_readl(base + MMCHS_SYSSTATUS);
		while (!(omap_readl(base + MMCHS_SYSSTATUS) &
			 MMCHS_SYSSTATUS_RESETDONE))
			cpu_relax();

		if (fclk) {
			clk_disable(fclk);
			clk_put(fclk);
		}
		if (iclk) {
			clk_disable(iclk);
			clk_put(iclk);
		}
	}
}

static int zynq_rpmsg_initialize(struct platform_device *pdev)
{
	int ret = 0;
	int index;
	struct virtio_device *virtio_dev;

	/* Register ipi handler. */
	ret = set_ipi_handler(zynq_rpmsg_p->vring0, ipi_handler,
				"Firmware kick");

	if (ret) {
		dev_err(&pdev->dev, "IPI handler already registered\n");
		return -ENODEV;
	}

	/* Initialize work. */
	INIT_WORK(&zynq_rpmsg_work, handle_event);

	/* Memory allocations for vrings. */
	ret = dma_declare_coherent_memory(&pdev->dev,
					zynq_rpmsg_p->mem_start,
					zynq_rpmsg_p->mem_start,
					zynq_rpmsg_p->mem_end -
					zynq_rpmsg_p->mem_start + 1,
					DMA_MEMORY_IO);

	if (!ret) {
		dev_err(&pdev->dev, "dma_declare_coherent_memory failed\n");
		return -ENODEV;
	}

	ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));

	if (ret) {
		dev_err(&pdev->dev, "dma_set_coherent_mask: %d\n", ret);
		return -ENODEV;
	}

	/* Initialize a mid-level device. Needed because of bad data structure
	 * handling and assumptions within the virtio rpmsg bus. We are doing it
	 * to just make sure that the virtio device has a parent device which
	 * then itself has a parent in the form of the platform device. */
	device_initialize(&(zynq_rpmsg_p->mid_dev));

	zynq_rpmsg_p->mid_dev.parent = &(pdev->dev);
	zynq_rpmsg_p->mid_dev.type = &mid_level_type;

	index = ida_simple_get(&rpmsg_zynq_dev_index, 0, 0, GFP_KERNEL);

	if (index < 0) {
		put_device(&(zynq_rpmsg_p->mid_dev));
		return -ENODEV;
	}

	dev_set_name(&(zynq_rpmsg_p->mid_dev), "rpmsg_mid%d", index);

	device_add(&(zynq_rpmsg_p->mid_dev));

	/* Setup the virtio device structure. */
	virtio_dev = &(zynq_rpmsg_p->virtio_dev);

	virtio_dev->id.device	= zynq_rpmsg_p->virtioid;
	virtio_dev->config	  = &zynq_rpmsg_virtio_config_ops;
	virtio_dev->dev.parent  = &(zynq_rpmsg_p->mid_dev);
	virtio_dev->dev.release = zynq_rpmsg_vdev_release;

	/* Register the virtio device. */
	ret = register_virtio_device(virtio_dev);

	dev_info(&(zynq_rpmsg_platform->dev), "virtio device registered \r\n");

	return ret;
}

int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv)
{
	struct usbhsg_gpriv *gpriv;
	struct usbhsg_uep *uep;
	struct device *dev = usbhs_priv_to_dev(priv);
	int pipe_size = usbhs_get_dparam(priv, pipe_size);
	int i;
	int ret;

	gpriv = kzalloc(sizeof(struct usbhsg_gpriv), GFP_KERNEL);
	if (!gpriv) {
		dev_err(dev, "Could not allocate gadget priv\n");
		return -ENOMEM;
	}

	uep = kzalloc(sizeof(struct usbhsg_uep) * pipe_size, GFP_KERNEL);
	if (!uep) {
		dev_err(dev, "Could not allocate ep\n");
		ret = -ENOMEM;
		goto usbhs_mod_gadget_probe_err_gpriv;
	}

	/*
	 * CAUTION
	 *
	 * There is no guarantee that it is possible to access usb module here.
	 * Don't accesses to it.
	 * The accesse will be enable after "usbhsg_start"
	 */

	/*
	 * register itself
	 */
	usbhs_mod_register(priv, &gpriv->mod, USBHS_GADGET);

	/* init gpriv */
	gpriv->mod.name		= "gadget";
	gpriv->mod.start	= usbhsg_start;
	gpriv->mod.stop		= usbhsg_stop;
	gpriv->uep		= uep;
	gpriv->uep_size		= pipe_size;
	usbhsg_status_init(gpriv);

	/*
	 * init gadget
	 */
	device_initialize(&gpriv->gadget.dev);
	dev_set_name(&gpriv->gadget.dev, "gadget");
	gpriv->gadget.dev.parent	= dev;
	gpriv->gadget.name		= "renesas_usbhs_udc";
	gpriv->gadget.ops		= &usbhsg_gadget_ops;
	gpriv->gadget.is_dualspeed	= 1;

	INIT_LIST_HEAD(&gpriv->gadget.ep_list);

	/*
	 * init usb_ep
	 */
	usbhsg_for_each_uep_with_dcp(uep, gpriv, i) {
		uep->gpriv	= gpriv;
		snprintf(uep->ep_name, EP_NAME_SIZE, "ep%d", i);

		uep->ep.name		= uep->ep_name;
		uep->ep.ops		= &usbhsg_ep_ops;
		INIT_LIST_HEAD(&uep->ep.ep_list);
		INIT_LIST_HEAD(&uep->list);

		/* init DCP */
		if (usbhsg_is_dcp(uep)) {
			gpriv->gadget.ep0 = &uep->ep;
			uep->ep.maxpacket = 64;
		}
		/* init normal pipe */
		else {
			uep->ep.maxpacket = 512;
			list_add_tail(&uep->ep.ep_list, &gpriv->gadget.ep_list);
		}
	}

static int vlynq_probe(struct platform_device *pdev)
{
	struct vlynq_device *dev;
	struct resource *regs_res, *mem_res, *irq_res;
	int len, result;

	regs_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
	if (!regs_res)
		return -ENODEV;

	mem_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem");
	if (!mem_res)
		return -ENODEV;

	irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "devirq");
	if (!irq_res)
		return -ENODEV;

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
	if (!dev) {
		printk(KERN_ERR
		       "vlynq: failed to allocate device structure\n");
		return -ENOMEM;
	}

	dev->id = pdev->id;
	dev->dev.bus = &vlynq_bus_type;
	dev->dev.parent = &pdev->dev;
	dev_set_name(&dev->dev, "vlynq%d", dev->id);
	dev->dev.platform_data = pdev->dev.platform_data;
	dev->dev.release = vlynq_device_release;

	dev->regs_start = regs_res->start;
	dev->regs_end = regs_res->end;
	dev->mem_start = mem_res->start;
	dev->mem_end = mem_res->end;

	len = resource_size(regs_res);
	if (!request_mem_region(regs_res->start, len, dev_name(&dev->dev))) {
		printk(KERN_ERR "%s: Can't request vlynq registers\n",
		       dev_name(&dev->dev));
		result = -ENXIO;
		goto fail_request;
	}

	dev->local = ioremap(regs_res->start, len);
	if (!dev->local) {
		printk(KERN_ERR "%s: Can't remap vlynq registers\n",
		       dev_name(&dev->dev));
		result = -ENXIO;
		goto fail_remap;
	}

	dev->remote = (struct vlynq_regs *)((void *)dev->local +
					    VLYNQ_REMOTE_OFFSET);

	dev->irq = platform_get_irq_byname(pdev, "irq");
	dev->irq_start = irq_res->start;
	dev->irq_end = irq_res->end;
	dev->local_irq = dev->irq_end - dev->irq_start;
	dev->remote_irq = dev->local_irq - 1;

	if (device_register(&dev->dev))
		goto fail_register;
	platform_set_drvdata(pdev, dev);

	printk(KERN_INFO "%s: regs 0x%p, irq %d, mem 0x%p\n",
	       dev_name(&dev->dev), (void *)dev->regs_start, dev->irq,
	       (void *)dev->mem_start);

	dev->dev_id = 0;
	dev->divisor = vlynq_div_auto;
	result = __vlynq_enable_device(dev);
	if (result == 0) {
		dev->dev_id = readl(&dev->remote->chip);
		((struct plat_vlynq_ops *)(dev->dev.platform_data))->off(dev);
	}
	if (dev->dev_id)
		printk(KERN_INFO "Found a VLYNQ device: %08x\n", dev->dev_id);

	return 0;

fail_register:
	iounmap(dev->local);
fail_remap:
fail_request:
	release_mem_region(regs_res->start, len);
	kfree(dev);
	return result;
}

static int hi3630_srcup_normal_probe(struct platform_device *pdev)
{
	int ret = -1;
	struct device *dev = &pdev->dev;
	struct hi3630_srcup_data *pdata = NULL;

	if (!dev) {
		loge("platform_device has no device\n");
		return -ENOENT;
	}

	pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
	if (!pdata) {
		dev_err(dev, "cannot allocate hi3630 srcup platform data\n");
		return -ENOMEM;
	}

	pdata->dev = dev;

#ifdef SRCUP_ENABLE
	pdata->hi3630_asp_irq = dev_get_drvdata(pdev->dev.parent);
	if (!pdata->hi3630_asp_irq) {
		dev_err(dev, "get parent device error\n");
		return -ENOENT;
	}

	pdata->irq = platform_get_irq_byname(pdev, "asp_srcup_normal");
	if (0 > pdata->irq) {
		dev_err(dev, "cannot get irq\n");
		return -ENOENT;
	}

	pdata->regu.supply = "asp-srcup-normal";
	ret = devm_regulator_bulk_get(dev, 1, &(pdata->regu));
	if (0 != ret) {
		dev_err(dev, "couldn't get regulators %d\n", ret);
		return -ENOENT;
	}

	pdata->hwlock = hwspin_lock_request_specific(HWLOCK_ID);
	if(NULL == pdata->hwlock) {
		dev_err(dev, "couldn't request hwlock:%d\n", HWLOCK_ID);
		return -ENOENT;
	}

#ifdef CONFIG_PM_RUNTIME
	pm_runtime_set_autosuspend_delay(dev, 100); /* 100ms*/
	pm_runtime_use_autosuspend(dev);

	pm_runtime_enable(dev);
#endif
#endif
	platform_set_drvdata(pdev, pdata);

	dev_set_name(dev, "hi3630-srcup-normal");

	ret = snd_soc_register_platform(dev, &hi3630_srcup_normal_platform);
	if (ret) {
		loge("snd_soc_register_platform return %d\n", ret);
		return -ENODEV;
	}

	return ret;
}

/*
 * Register a new MMC card with the driver model.
 */
int mmc_add_card(struct mmc_card *card)
{
	int ret;
	const char *type;
	const char *uhs_bus_speed_mode = "";

	dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);

	switch (card->type) {
	case MMC_TYPE_MMC:
		type = "MMC";
		break;
	case MMC_TYPE_SD:
		type = "SD";
		if (mmc_card_blockaddr(card)) {
			if (mmc_card_ext_capacity(card))
				type = "SDXC";
			else
				type = "SDHC";
		}
		break;
	case MMC_TYPE_SDIO:
		type = "SDIO";
		break;
	case MMC_TYPE_SD_COMBO:
		type = "SD-combo";
		if (mmc_card_blockaddr(card))
			type = "SDHC-combo";
		break;
	default:
		type = "?";
		break;
	}

	if (mmc_sd_card_uhs(card)) {
		switch (card->sd_bus_speed) {
		case UHS_SDR104_BUS_SPEED:
			uhs_bus_speed_mode = "SDR104 ";
			break;
		case UHS_SDR50_BUS_SPEED:
			uhs_bus_speed_mode = "SDR50 ";
			break;
		case UHS_DDR50_BUS_SPEED:
			uhs_bus_speed_mode = "DDR50 ";
			break;
		case UHS_SDR25_BUS_SPEED:
			uhs_bus_speed_mode = "SDR25 ";
			break;
		case UHS_SDR12_BUS_SPEED:
			uhs_bus_speed_mode = "SDR12 ";
			break;
		default:
			uhs_bus_speed_mode = "";
			break;
		}
	}
	if (mmc_host_is_spi(card->host)) {
		printk(KERN_INFO "%s: new %s%s%s card on SPI\n",
			mmc_hostname(card->host),
			mmc_card_highspeed(card) ? "high speed " : "",
			mmc_card_ddr_mode(card) ? "DDR " : "",
			type);
	} else {
		pr_info("%s: new %s%s%s%s card at address %04x\n",
			mmc_hostname(card->host),
			mmc_sd_card_uhs(card) ? "ultra high speed " :
			(mmc_card_highspeed(card) ? "high speed " : ""),
			mmc_card_ddr_mode(card) ? "DDR " : "",
			uhs_bus_speed_mode,
			type, card->rca);
	}

#ifdef CONFIG_DEBUG_FS
	mmc_add_card_debugfs(card);
#endif

	ret = device_add(&card->dev);
	if (ret)
		return ret;

	mmc_card_set_present(card);

	return 0;
}

static struct amba_device *of_amba_device_create(struct device_node *node,
        const char *bus_id,
        void *platform_data,
        struct device *parent)
{
    struct amba_device *dev;
    const void *prop;
    int i, ret;

    pr_debug("Creating amba device %s\n", node->full_name);

    if (!of_device_is_available(node) ||
            of_node_test_and_set_flag(node, OF_POPULATED))
        return NULL;

    dev = amba_device_alloc(NULL, 0, 0);
    if (!dev)
        goto err_clear_flag;

    /* setup generic device info */
    dev->dev.of_node = of_node_get(node);
    dev->dev.fwnode = &node->fwnode;
    dev->dev.parent = parent ? : &platform_bus;
    dev->dev.platform_data = platform_data;
    if (bus_id)
        dev_set_name(&dev->dev, "%s", bus_id);
    else
        of_device_make_bus_id(&dev->dev);
    of_dma_configure(&dev->dev, dev->dev.of_node);

    /* Allow the HW Peripheral ID to be overridden */
    prop = of_get_property(node, "arm,primecell-periphid", NULL);
    if (prop)
        dev->periphid = of_read_ulong(prop, 1);

    /* Decode the IRQs and address ranges */
    for (i = 0; i < AMBA_NR_IRQS; i++)
        dev->irq[i] = irq_of_parse_and_map(node, i);

    ret = of_address_to_resource(node, 0, &dev->res);
    if (ret) {
        pr_err("amba: of_address_to_resource() failed (%d) for %s\n",
               ret, node->full_name);
        goto err_free;
    }

    ret = amba_device_add(dev, &iomem_resource);
    if (ret) {
        pr_err("amba_device_add() failed (%d) for %s\n",
               ret, node->full_name);
        goto err_free;
    }

    return dev;

err_free:
    amba_device_put(dev);
err_clear_flag:
    of_node_clear_flag(node, OF_POPULATED);
    return NULL;
}

/**
 * chp_new - register a new channel-path
 * @chpid - channel-path ID
 *
 * Create and register data structure representing new channel-path. Return
 * zero on success, non-zero otherwise.
 */
int chp_new(struct chp_id chpid)
{
	struct channel_path *chp;
	int ret;

	if (chp_is_registered(chpid))
		return 0;
	chp = kzalloc(sizeof(struct channel_path), GFP_KERNEL);
	if (!chp)
		return -ENOMEM;

	/* fill in status, etc. */
	chp->chpid = chpid;
	chp->state = 1;
	chp->dev.parent = &channel_subsystems[chpid.cssid]->device;
	chp->dev.release = chp_release;
	dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id);

	/* Obtain channel path description and fill it in. */
	ret = chsc_determine_base_channel_path_desc(chpid, &chp->desc);
	if (ret)
		goto out_free;
	if ((chp->desc.flags & 0x80) == 0) {
		ret = -ENODEV;
		goto out_free;
	}
	/* Get channel-measurement characteristics. */
	if (css_chsc_characteristics.scmc && css_chsc_characteristics.secm) {
		ret = chsc_get_channel_measurement_chars(chp);
		if (ret)
			goto out_free;
	} else {
		chp->cmg = -1;
	}

	/* make it known to the system */
	ret = device_register(&chp->dev);
	if (ret) {
		CIO_MSG_EVENT(0, "Could not register chp%x.%02x: %d\n",
			      chpid.cssid, chpid.id, ret);
		goto out_free;
	}
	ret = sysfs_create_group(&chp->dev.kobj, &chp_attr_group);
	if (ret) {
		device_unregister(&chp->dev);
		goto out;
	}
	mutex_lock(&channel_subsystems[chpid.cssid]->mutex);
	if (channel_subsystems[chpid.cssid]->cm_enabled) {
		ret = chp_add_cmg_attr(chp);
		if (ret) {
			sysfs_remove_group(&chp->dev.kobj, &chp_attr_group);
			device_unregister(&chp->dev);
			mutex_unlock(&channel_subsystems[chpid.cssid]->mutex);
			goto out;
		}
	}
	channel_subsystems[chpid.cssid]->chps[chpid.id] = chp;
	mutex_unlock(&channel_subsystems[chpid.cssid]->mutex);
	goto out;
out_free:
	kfree(chp);
out:
	return ret;
}

/**
 * zfcp_port_enqueue - enqueue port to port list of adapter
 * @adapter: adapter where remote port is added
 * @wwpn: WWPN of the remote port to be enqueued
 * @status: initial status for the port
 * @d_id: destination id of the remote port to be enqueued
 * Returns: pointer to enqueued port on success, ERR_PTR on error
 *
 * All port internal structures are set up and the sysfs entry is generated.
 * d_id is used to enqueue ports with a well known address like the Directory
 * Service for nameserver lookup.
 */
struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
				     u32 status, u32 d_id)
{
	struct zfcp_port *port;
	int retval = -ENOMEM;

	kref_get(&adapter->ref);

	port = zfcp_get_port_by_wwpn(adapter, wwpn);
	if (port) {
		put_device(&port->dev);
		retval = -EEXIST;
		goto err_out;
	}

	port = kzalloc(sizeof(struct zfcp_port), GFP_KERNEL);
	if (!port)
		goto err_out;

	rwlock_init(&port->unit_list_lock);
	INIT_LIST_HEAD(&port->unit_list);
	atomic_set(&port->units, 0);

	INIT_WORK(&port->gid_pn_work, zfcp_fc_port_did_lookup);
	INIT_WORK(&port->test_link_work, zfcp_fc_link_test_work);
	INIT_WORK(&port->rport_work, zfcp_scsi_rport_work);

	port->adapter = adapter;
	port->d_id = d_id;
	port->wwpn = wwpn;
	port->rport_task = RPORT_NONE;
	port->dev.parent = &adapter->ccw_device->dev;
	port->dev.release = zfcp_port_release;

	if (dev_set_name(&port->dev, "0x%016llx", (unsigned long long)wwpn)) {
		kfree(port);
		goto err_out;
	}
	retval = -EINVAL;

	if (device_register(&port->dev)) {
		put_device(&port->dev);
		goto err_out;
	}

	if (sysfs_create_group(&port->dev.kobj,
			       &zfcp_sysfs_port_attrs))
		goto err_out_put;

	write_lock_irq(&adapter->port_list_lock);
	list_add_tail(&port->list, &adapter->port_list);
	write_unlock_irq(&adapter->port_list_lock);

	atomic_set_mask(status | ZFCP_STATUS_COMMON_RUNNING, &port->status);

	return port;

err_out_put:
	device_unregister(&port->dev);
err_out:
	zfcp_ccw_adapter_put(adapter);
	return ERR_PTR(retval);
}

/**
 * zfcp_unit_enqueue - enqueue unit to unit list of a port.
 * @port: pointer to port where unit is added
 * @fcp_lun: FCP LUN of unit to be enqueued
 * Returns: pointer to enqueued unit on success, ERR_PTR on error
 *
 * Sets up some unit internal structures and creates sysfs entry.
 */
struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun)
{
	struct zfcp_unit *unit;
	int retval = -ENOMEM;

	get_device(&port->dev);

	unit = zfcp_get_unit_by_lun(port, fcp_lun);
	if (unit) {
		put_device(&unit->dev);
		retval = -EEXIST;
		goto err_out;
	}

	unit = kzalloc(sizeof(struct zfcp_unit), GFP_KERNEL);
	if (!unit)
		goto err_out;

	unit->port = port;
	unit->fcp_lun = fcp_lun;
	unit->dev.parent = &port->dev;
	unit->dev.release = zfcp_unit_release;

	if (dev_set_name(&unit->dev, "0x%016llx",
			 (unsigned long long) fcp_lun)) {
		kfree(unit);
		goto err_out;
	}
	retval = -EINVAL;

	INIT_WORK(&unit->scsi_work, zfcp_scsi_scan);

	spin_lock_init(&unit->latencies.lock);
	unit->latencies.write.channel.min = 0xFFFFFFFF;
	unit->latencies.write.fabric.min = 0xFFFFFFFF;
	unit->latencies.read.channel.min = 0xFFFFFFFF;
	unit->latencies.read.fabric.min = 0xFFFFFFFF;
	unit->latencies.cmd.channel.min = 0xFFFFFFFF;
	unit->latencies.cmd.fabric.min = 0xFFFFFFFF;

	if (device_register(&unit->dev)) {
		put_device(&unit->dev);
		goto err_out;
	}

	if (sysfs_create_group(&unit->dev.kobj, &zfcp_sysfs_unit_attrs))
		goto err_out_put;

	write_lock_irq(&port->unit_list_lock);
	list_add_tail(&unit->list, &port->unit_list);
	write_unlock_irq(&port->unit_list_lock);

	atomic_set_mask(ZFCP_STATUS_COMMON_RUNNING, &unit->status);

	return unit;

err_out_put:
	device_unregister(&unit->dev);
err_out:
	put_device(&port->dev);
	return ERR_PTR(retval);
}