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Commit b01dcdd8 authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt Committed by Rob Herring
Browse files

drivers/of: Make of_io_request_and_map() "name" argument optional 



These days of_address_to_resource() puts a reasonable name
in the resource struct, thus make the "name" argument an
optional override.

Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
parent b7394b7f

drivers/of/address.c

+4 −2
Original line number Diff line number Diff line
@@ -846,7 +846,7 @@ EXPORT_SYMBOL(of_iomap); 
 *			   for a given device_node

 * @device:	the device whose io range will be mapped

 * @index:	index of the io range

 * @name:	name of the resource

 * @name:	name "override" for the memory region request or NULL

 *

 * Returns a pointer to the requested and mapped memory or an ERR_PTR() encoded

 * error code on failure. Usage example:
@@ -864,6 +864,8 @@ void __iomem *of_io_request_and_map(struct device_node *np, int index, 
	if (of_address_to_resource(np, index, &res))

		return IOMEM_ERR_PTR(-EINVAL);



	if (!name)

		name = res.name;

	if (!request_mem_region(res.start, resource_size(&res), name))

		return IOMEM_ERR_PTR(-EBUSY);