diff options
Diffstat (limited to 'include/linux/io.h')
| -rw-r--r-- | include/linux/io.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/io.h b/include/linux/io.h index 09d351236379..8423dd376514 100644 --- a/include/linux/io.h +++ b/include/linux/io.h @@ -27,8 +27,16 @@ struct device; void __iowrite32_copy(void __iomem *to, const void *from, size_t count); void __iowrite64_copy(void __iomem *to, const void *from, size_t count); +#ifdef CONFIG_MMU int ioremap_page_range(unsigned long addr, unsigned long end, unsigned long phys_addr, pgprot_t prot); +#else +static inline int ioremap_page_range(unsigned long addr, unsigned long end, + unsigned long phys_addr, pgprot_t prot) +{ + return 0; +} +#endif /* * Managed iomap interface |