#include <linux/module.h>
#include <linux/tty.h>
#include <linux/ioport.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/console.h>
void __iomem *pram;
unsigned long offset;
struct resource res;
- unsigned long len;
+ resource_size_t len;
/* Don't remap parameter RAM if it has already been initialized
* during console setup.
if (of_address_to_resource(np, 1, &res))
return NULL;
- len = 1 + res.end - res.start;
+ len = resource_size(&res);
pram = ioremap(res.start, len);
if (!pram)
return NULL;