#define _LINUX_IO_MAPPING_H
#include <linux/types.h>
+#include <linux/slab.h>
#include <asm/io.h>
#include <asm/page.h>
#include <asm/iomap.h>
struct io_mapping *iomap;
pgprot_t prot;
- if (!reserve_io_memtype_wc(base, size, &prot))
- return NULL;
-
iomap = kmalloc(sizeof(*iomap), GFP_KERNEL);
if (!iomap)
- return NULL;
+ goto out_err;
+
+ if (iomap_create_wc(base, size, &prot))
+ goto out_free;
iomap->base = base;
iomap->size = size;
iomap->prot = prot;
return iomap;
+
+out_free:
+ kfree(iomap);
+out_err:
+ return NULL;
}
static inline void
io_mapping_free(struct io_mapping *mapping)
{
- free_io_memtype(mapping->base, mapping->size);
+ iomap_free(mapping->base, mapping->size);
kfree(mapping);
}