lib/devres.c:116:3: error: implicit declaration of function 'ERR_PTR'

[kbuild test robot]

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver-core-next
head:   75096579c3ac39ddc2f8b0d9a8924eba31f4d920
commit: 75096579c3ac39ddc2f8b0d9a8924eba31f4d920 lib: devres: Introduce devm_ioremap_resource()
date:   3 hours ago
config: make ARCH=openrisc or1ksim_defconfig

All error/warnings:

   lib/devres.c: In function 'devm_ioremap_resource':
>> lib/devres.c:116:3: error: implicit declaration of function 'ERR_PTR'
>> lib/devres.c:116:3: warning: return makes pointer from integer without a cast
   lib/devres.c:124:3: warning: return makes pointer from integer without a cast
>> lib/devres.c:135:12: warning: assignment makes pointer from integer without a cast
   lib/devres.c: In function 'devm_request_and_ioremap':
>> lib/devres.c:163:2: error: implicit declaration of function 'IS_ERR'

vim +/ERR_PTR +116 lib/devres.c

   110		void __iomem *dest_ptr;
   111	
   112		BUG_ON(!dev);
   113	
   114		if (!res || resource_type(res) != IORESOURCE_MEM) {
   115			dev_err(dev, "invalid resource\n");
 > 116			return ERR_PTR(-EINVAL);
   117		}
   118	
   119		size = resource_size(res);
   120		name = res->name ?: dev_name(dev);
   121	
   122		if (!devm_request_mem_region(dev, res->start, size, name)) {
   123			dev_err(dev, "can't request region for resource %pR\n", res);
   124			return ERR_PTR(-EBUSY);
   125		}
   126	
   127		if (res->flags & IORESOURCE_CACHEABLE)
   128			dest_ptr = devm_ioremap(dev, res->start, size);
   129		else
   130			dest_ptr = devm_ioremap_nocache(dev, res->start, size);
   131	
   132		if (!dest_ptr) {
   133			dev_err(dev, "ioremap failed for resource %pR\n", res);
   134			devm_release_mem_region(dev, res->start, size);
   135			dest_ptr = ERR_PTR(-ENOMEM);
   136		}
   137	
   138		return dest_ptr;
   139	}
   140	EXPORT_SYMBOL(devm_ioremap_resource);
   141	
   142	/**
   143	 * devm_request_and_ioremap() - Check, request region, and ioremap resource
   144	 * @dev: Generic device to handle the resource for
   145	 * @res: resource to be handled
   146	 *
   147	 * Takes all necessary steps to ioremap a mem resource. Uses managed device, so
   148	 * everything is undone on driver detach. Checks arguments, so you can feed
   149	 * it the result from e.g. platform_get_resource() directly. Returns the
   150	 * remapped pointer or NULL on error. Usage example:
   151	 *
   152	 *	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
   153	 *	base = devm_request_and_ioremap(&pdev->dev, res);
   154	 *	if (!base)
   155	 *		return -EADDRNOTAVAIL;
   156	 */
   157	void __iomem *devm_request_and_ioremap(struct device *device,
   158					       struct resource *res)
   159	{
   160		void __iomem *dest_ptr;
   161	
   162		dest_ptr = devm_ioremap_resource(device, res);
   163		if (IS_ERR(dest_ptr))
   164			return NULL;
   165	
   166		return dest_ptr;

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