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
void __iomem * devm_ioremap_nocache(struct device *dev, unsigned long offset,
unsigned long size);
void devm_iounmap(struct device *dev, void __iomem *addr);
-
-/**
- * check_signature - find BIOS signatures
- * @io_addr: mmio address to check
- * @signature: signature block
- * @length: length of signature
- *
- * Perform a signature comparison with the mmio address io_addr. This
- * address should have been obtained by ioremap.
- * Returns 1 on a match.
- */
-
-static inline int check_signature(const volatile void __iomem *io_addr,
- const unsigned char *signature, int length)
-{
- int retval = 0;
- do {
- if (readb(io_addr) != *signature)
- goto out;
- io_addr++;
- signature++;
- length--;
- } while (length);
- retval = 1;
-out:
- return retval;
-}
+int check_signature(const volatile void __iomem *io_addr,
+ const unsigned char *signature, int length);
#endif /* _LINUX_IO_H */