diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-24 17:22:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-24 17:22:31 -0700 |
| commit | 8e44e4347735229b518cc02938c351428bcd7492 (patch) | |
| tree | e2d7b5998fa8ad76948b2e11591f4534f06f7958 /arch/powerpc/include/asm/device.h | |
| parent | 06aab5a3084e1d825384fa353e6df4c7949c8683 (diff) | |
| parent | 09dd3fc19c09f79115267361ecd7d5c5d2c27a3a (diff) | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
Fix build of cpm_uart due to core changes
powerpc/8xx: Fix regression introduced by cache coherency rewrite
powerpc/4xx: Fix erroneous xmon warning on PowerPC 4xx
powerpc/mm: Fix 40x and 8xx vs. _PAGE_SPECIAL
powerpc: Cleanup linker script using new linker script macros.
powerpc: Fix ibm,client-architecture-support printout
powerpc: Increase NODES_SHIFT on 64bit from 4 to 8
powerpc/perf_counter: Fix vdso detection
powerpc: Move 64bit heap above 1TB on machines with 1TB segments
powerpc: Change archdata dma_data to a union
powerpc: Rename get_dma_direct_offset get_dma_offset
powerpc/mm: Remove duplicated #include
powerpc/book3e-64: Remove duplicated #include
powerpc: Check for unsupported relocs when using CONFIG_RELOCATABLE
powerpc/pmc: Don't access lppaca on Book3E
powerpc: kmalloc failure ignored in vio_build_iommu_table()
hvc_console: Provide (un)locked version for hvc_resize()
Diffstat (limited to 'arch/powerpc/include/asm/device.h')
| -rw-r--r-- | arch/powerpc/include/asm/device.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h index 9dade15d1ab..6d94d27ed85 100644 --- a/arch/powerpc/include/asm/device.h +++ b/arch/powerpc/include/asm/device.h @@ -15,7 +15,16 @@ struct dev_archdata { /* DMA operations on that device */ struct dma_map_ops *dma_ops; - void *dma_data; + + /* + * When an iommu is in use, dma_data is used as a ptr to the base of the + * iommu_table. Otherwise, it is a simple numerical offset. + */ + union { + dma_addr_t dma_offset; + void *iommu_table_base; + } dma_data; + #ifdef CONFIG_SWIOTLB dma_addr_t max_direct_dma_addr; #endif |