diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 12:50:25 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 12:50:25 -0700 |
commit | 3960208f9ca0cf6bdb31c21c59ac0526303f8b34 (patch) | |
tree | ca1948cec8fb390e5298498361194db145e2e49f /arch/avr32/mm | |
parent | b0b73cb41d56ee391f20cbd3e4304e2303a8829b (diff) | |
parent | 47cc3e780474be2e462278d63d77c27a493b28ed (diff) |
Merge branch 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32
* 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32:
[AVR32] Wire up sys_utimensat
[AVR32] Fix section mismatch .taglist -> .init.text
[AVR32] Implement dma_{alloc,free}_writecombine()
AVR32: Spinlock initializer cleanup
[AVR32] Use correct config symbol when setting cpuflags
Diffstat (limited to 'arch/avr32/mm')
-rw-r--r-- | arch/avr32/mm/dma-coherent.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/avr32/mm/dma-coherent.c b/arch/avr32/mm/dma-coherent.c index b68d669f823..099212d4567 100644 --- a/arch/avr32/mm/dma-coherent.c +++ b/arch/avr32/mm/dma-coherent.c @@ -112,16 +112,21 @@ void dma_free_coherent(struct device *dev, size_t size, } EXPORT_SYMBOL(dma_free_coherent); -#if 0 void *dma_alloc_writecombine(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp) { struct page *page; + dma_addr_t phys; page = __dma_alloc(dev, size, handle, gfp); + if (!page) + return NULL; + + phys = page_to_phys(page); + *handle = phys; /* Now, map the page into P3 with write-combining turned on */ - return __ioremap(page_to_phys(page), size, _PAGE_BUFFER); + return __ioremap(phys, size, _PAGE_BUFFER); } EXPORT_SYMBOL(dma_alloc_writecombine); @@ -132,8 +137,7 @@ void dma_free_writecombine(struct device *dev, size_t size, iounmap(cpu_addr); - page = bus_to_page(handle); + page = phys_to_page(handle); __dma_free(dev, size, page, handle); } EXPORT_SYMBOL(dma_free_writecombine); -#endif |