X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-mips%2Fio.h;h=e62058b0d28c37c48d7a71c40c7271322fed5e63;hb=8912858bcb9e314549a4abc15db6b5841a96fa2c;hp=92ec2618560c984355e653d33d5dc935e5e1488c;hpb=e0cc09e295f346b7921e921f385fe5213472316a;p=linux-2.6

diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h
index 92ec261856..e62058b0d2 100644
--- a/include/asm-mips/io.h
+++ b/include/asm-mips/io.h
@@ -40,11 +40,11 @@
  * hardware.  An example use would be for flash memory that's used for
  * execute in place.
  */
-# define __raw_ioswabb(a,x)	(x)
-# define __raw_ioswabw(a,x)	(x)
-# define __raw_ioswabl(a,x)	(x)
-# define __raw_ioswabq(a,x)	(x)
-# define ____raw_ioswabq(a,x)	(x)
+# define __raw_ioswabb(a, x)	(x)
+# define __raw_ioswabw(a, x)	(x)
+# define __raw_ioswabl(a, x)	(x)
+# define __raw_ioswabq(a, x)	(x)
+# define ____raw_ioswabq(a, x)	(x)
 
 /* ioswab[bwlq], __mem_ioswab[bwlq] are defined in mangle-port.h */
 
@@ -178,6 +178,11 @@ extern void __iounmap(const volatile void __iomem *addr);
 static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size,
 	unsigned long flags)
 {
+	void __iomem *addr = plat_ioremap(offset, size, flags);
+
+	if (addr)
+		return addr;
+
 #define __IS_LOW512(addr) (!((phys_t)(addr) & (phys_t) ~0x1fffffffULL))
 
 	if (cpu_has_64bit_addresses) {
@@ -207,7 +212,8 @@ static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size,
 		 */
 		if (__IS_LOW512(phys_addr) && __IS_LOW512(last_addr) &&
 		    flags == _CACHE_UNCACHED)
-			return (void __iomem *)CKSEG1ADDR(phys_addr);
+			return (void __iomem *)
+				(unsigned long)CKSEG1ADDR(phys_addr);
 	}
 
 	return __ioremap(offset, size, flags);
@@ -282,6 +288,9 @@ static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size,
 
 static inline void iounmap(const volatile void __iomem *addr)
 {
+	if (plat_iounmap(addr))
+		return;
+
 #define __IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)
 
 	if (cpu_has_64bit_addresses ||
@@ -545,6 +554,8 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int
  *    caches.  Dirty lines of the caches may be written back or simply
  *    be discarded.  This operation is necessary before dma operations
  *    to the memory.
+ *
+ * This API used to be exported; it now is for arch code internal use only.
  */
 #ifdef CONFIG_DMA_NONCOHERENT
 
@@ -552,9 +563,9 @@ extern void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size);
 extern void (*_dma_cache_wback)(unsigned long start, unsigned long size);
 extern void (*_dma_cache_inv)(unsigned long start, unsigned long size);
 
-#define dma_cache_wback_inv(start, size)	_dma_cache_wback_inv(start,size)
-#define dma_cache_wback(start, size)		_dma_cache_wback(start,size)
-#define dma_cache_inv(start, size)		_dma_cache_inv(start,size)
+#define dma_cache_wback_inv(start, size)	_dma_cache_wback_inv(start, size)
+#define dma_cache_wback(start, size)		_dma_cache_wback(start, size)
+#define dma_cache_inv(start, size)		_dma_cache_inv(start, size)
 
 #else /* Sane hardware */
 
@@ -578,7 +589,7 @@ extern void (*_dma_cache_inv)(unsigned long start, unsigned long size);
 #define __CSR_32_ADJUST 0
 #endif
 
-#define csr_out32(v,a) (*(volatile u32 *)((unsigned long)(a) + __CSR_32_ADJUST) = (v))
+#define csr_out32(v, a) (*(volatile u32 *)((unsigned long)(a) + __CSR_32_ADJUST) = (v))
 #define csr_in32(a)    (*(volatile u32 *)((unsigned long)(a) + __CSR_32_ADJUST))
 
 /*