diff options
Diffstat (limited to 'include/asm-mips/io.h')
| -rw-r--r-- | include/asm-mips/io.h | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h index f18d281..501a40b 100644 --- a/include/asm-mips/io.h +++ b/include/asm-mips/io.h @@ -161,13 +161,6 @@ static inline void * isa_bus_to_virt(unsigned long address) #define bus_to_virt phys_to_virt /* - * isa_slot_offset is the address where E(ISA) busaddress 0 is mapped - * for the processor. This implies the assumption that there is only - * one of these busses. - */ -extern unsigned long isa_slot_offset; - -/* * Change "struct page" to physical address. */ #define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) @@ -528,16 +521,6 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int } /* - * ISA space is 'always mapped' on currently supported MIPS systems, no need - * to explicitly ioremap() it. The fact that the ISA IO space is mapped - * to PAGE_OFFSET is pure coincidence - it does not mean ISA values - * are physical addresses. The following constant pointer can be - * used as the IO-area pointer (it can be iounmapped as well, so the - * analogy with PCI is quite large): - */ -#define __ISA_IO_base ((char *)(isa_slot_offset)) - -/* * 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. |
