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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-24 09:55:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-24 09:55:18 -0700 |
| commit | ff0c4ad2c3a75ccfe6adca916e50804eb45bb2d9 (patch) | |
| tree | 574f2d38793f7a08af73c40a96d6dc76af9c6f46 /include/asm-generic/io.h | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus (diff) | |
| parent | OpenRISC: Add MAINTAINERS entry (diff) | |
| download | linux-dev-ff0c4ad2c3a75ccfe6adca916e50804eb45bb2d9.tar.xz linux-dev-ff0c4ad2c3a75ccfe6adca916e50804eb45bb2d9.zip | |
Merge branch 'for-upstream' of git://openrisc.net/jonas/linux
* 'for-upstream' of git://openrisc.net/jonas/linux: (24 commits)
OpenRISC: Add MAINTAINERS entry
OpenRISC: Miscellaneous
OpenRISC: Library routines
OpenRISC: Headers
OpenRISC: Traps
OpenRISC: Module support
OpenRISC: GPIO
OpenRISC: Scheduling/Process management
OpenRISC: Idle/Power management
OpenRISC: System calls
OpenRISC: IRQ
OpenRISC: Timekeeping
OpenRISC: DMA
OpenRISC: PTrace
OpenRISC: Build infrastructure
OpenRISC: Signal handling
OpenRISC: Memory management
OpenRISC: Device tree
OpenRISC: Boot code
iomap: make IOPORT/PCI mapping functions conditional
...
Diffstat (limited to 'include/asm-generic/io.h')
| -rw-r--r-- | include/asm-generic/io.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index e0ffa3ddb02a..912088773a69 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -307,7 +307,11 @@ static inline void *phys_to_virt(unsigned long address) /* * Change "struct page" to physical address. + * + * This implementation is for the no-MMU case only... if you have an MMU + * you'll need to provide your own definitions. */ +#ifndef CONFIG_MMU static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size) { return (void __iomem*) (unsigned long)offset; @@ -326,7 +330,9 @@ static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size) static inline void iounmap(void *addr) { } +#endif /* CONFIG_MMU */ +#ifdef CONFIG_HAS_IOPORT #ifndef CONFIG_GENERIC_IOMAP static inline void __iomem *ioport_map(unsigned long port, unsigned int nr) { @@ -340,9 +346,10 @@ static inline void ioport_unmap(void __iomem *p) extern void __iomem *ioport_map(unsigned long port, unsigned int nr); extern void ioport_unmap(void __iomem *p); #endif /* CONFIG_GENERIC_IOMAP */ +#endif /* CONFIG_HAS_IOPORT */ #define xlate_dev_kmem_ptr(p) p -#define xlate_dev_mem_ptr(p) ((void *) (p)) +#define xlate_dev_mem_ptr(p) __va(p) #ifndef virt_to_bus static inline unsigned long virt_to_bus(volatile void *address) |