blob: 258528d6c4fe78d4dc89090c91d7850348eabd6e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/of_address.h>
/**
* of_iomap - Maps the memory mapped IO for a given device_node
* @device: the device whose io range will be mapped
* @index: index of the io range
*
* Returns a pointer to the mapped memory
*/
void __iomem *of_iomap(struct device_node *np, int index)
{
struct resource res;
if (of_address_to_resource(np, index, &res))
return NULL;
return ioremap(res.start, 1 + res.end - res.start);
}
EXPORT_SYMBOL(of_iomap);
|
