diff options
| -rw-r--r-- | include/asm-generic/io.h | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 4644c9a7f72..e0ffa3ddb02 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -94,6 +94,10 @@ static inline void __raw_writeq(u64 b, volatile void __iomem *addr) #define writeq(b,addr) __raw_writeq(__cpu_to_le64(b),addr) #endif +#ifndef PCI_IOBASE +#define PCI_IOBASE ((void __iomem *) 0) +#endif + /*****************************************************************************/ /* * traditional input/output functions @@ -101,32 +105,32 @@ static inline void __raw_writeq(u64 b, volatile void __iomem *addr) static inline u8 inb(unsigned long addr) { - return readb((volatile void __iomem *) addr); + return readb(addr + PCI_IOBASE); } static inline u16 inw(unsigned long addr) { - return readw((volatile void __iomem *) addr); + return readw(addr + PCI_IOBASE); } static inline u32 inl(unsigned long addr) { - return readl((volatile void __iomem *) addr); + return readl(addr + PCI_IOBASE); } static inline void outb(u8 b, unsigned long addr) { - writeb(b, (volatile void __iomem *) addr); + writeb(b, addr + PCI_IOBASE); } static inline void outw(u16 b, unsigned long addr) { - writew(b, (volatile void __iomem *) addr); + writew(b, addr + PCI_IOBASE); } static inline void outl(u32 b, unsigned long addr) { - writel(b, (volatile void __iomem *) addr); + writel(b, addr + PCI_IOBASE); } #define inb_p(addr) inb(addr) @@ -213,32 +217,32 @@ static inline void outsl(unsigned long addr, const void *buffer, int count) static inline void readsl(const void __iomem *addr, void *buf, int len) { - insl((unsigned long)addr, buf, len); + insl(addr - PCI_IOBASE, buf, len); } static inline void readsw(const void __iomem *addr, void *buf, int len) { - insw((unsigned long)addr, buf, len); + insw(addr - PCI_IOBASE, buf, len); } static inline void readsb(const void __iomem *addr, void *buf, int len) { - insb((unsigned long)addr, buf, len); + insb(addr - PCI_IOBASE, buf, len); } static inline void writesl(const void __iomem *addr, const void *buf, int len) { - outsl((unsigned long)addr, buf, len); + outsl(addr - PCI_IOBASE, buf, len); } static inline void writesw(const void __iomem *addr, const void *buf, int len) { - outsw((unsigned long)addr, buf, len); + outsw(addr - PCI_IOBASE, buf, len); } static inline void writesb(const void __iomem *addr, const void *buf, int len) { - outsb((unsigned long)addr, buf, len); + outsb(addr - PCI_IOBASE, buf, len); } #ifndef CONFIG_GENERIC_IOMAP @@ -269,8 +273,9 @@ static inline void writesb(const void __iomem *addr, const void *buf, int len) outsl((unsigned long) (p), (src), (count)) #endif /* CONFIG_GENERIC_IOMAP */ - -#define IO_SPACE_LIMIT 0xffffffff +#ifndef IO_SPACE_LIMIT +#define IO_SPACE_LIMIT 0xffff +#endif #ifdef __KERNEL__ |