summaryrefslogtreecommitdiffstats
path: root/include/asm-mips/io.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-mips/io.h')
-rw-r--r--include/asm-mips/io.h30
1 files changed, 2 insertions, 28 deletions
diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h
index df624e1ee6e..bc5f3c53155 100644
--- a/include/asm-mips/io.h
+++ b/include/asm-mips/io.h
@@ -172,7 +172,7 @@ extern unsigned long isa_slot_offset;
#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
extern void __iomem * __ioremap(phys_t offset, phys_t size, unsigned long flags);
-extern void __iounmap(volatile void __iomem *addr);
+extern void __iounmap(const volatile void __iomem *addr);
static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size,
unsigned long flags)
@@ -279,7 +279,7 @@ static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size,
#define ioremap_uncached_accelerated(offset, size) \
__ioremap_mode((offset), (size), _CACHE_UNCACHED_ACCELERATED)
-static inline void iounmap(volatile void __iomem *addr)
+static inline void iounmap(const volatile void __iomem *addr)
{
#define __IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)
@@ -562,32 +562,6 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
#define eth_io_copy_and_sum(skb,src,len,unused) memcpy_fromio((skb)->data,(src),(len))
/*
- * 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(char __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;
-}
-
-/*
* The caches on some architectures aren't dma-coherent and have need to
* handle this in software. There are three types of operations that
* can be applied to dma buffers.