Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6
[linux-2.6] / arch / arm / mm / nommu.c
1 /*
2  *  linux/arch/arm/mm/nommu.c
3  *
4  * ARM uCLinux supporting functions.
5  */
6 #include <linux/module.h>
7 #include <linux/mm.h>
8 #include <linux/pagemap.h>
9
10 #include <asm/cacheflush.h>
11 #include <asm/io.h>
12 #include <asm/page.h>
13
14 void flush_dcache_page(struct page *page)
15 {
16         __cpuc_flush_dcache_page(page_address(page));
17 }
18 EXPORT_SYMBOL(flush_dcache_page);
19
20 void __iomem *__ioremap_pfn(unsigned long pfn, unsigned long offset,
21                             size_t size, unsigned long flags)
22 {
23         if (pfn >= (0x100000000ULL >> PAGE_SHIFT))
24                 return NULL;
25         return (void __iomem *) (offset + (pfn << PAGE_SHIFT));
26 }
27 EXPORT_SYMBOL(__ioremap_pfn);
28
29 void __iomem *__ioremap(unsigned long phys_addr, size_t size,
30                         unsigned long flags)
31 {
32         return (void __iomem *)phys_addr;
33 }
34 EXPORT_SYMBOL(__ioremap);
35
36 void __iounmap(void __iomem *addr)
37 {
38 }
39 EXPORT_SYMBOL(__iounmap);