diff options
Diffstat (limited to 'arch/mips/mm/dma-default.c')
| -rw-r--r-- | arch/mips/mm/dma-default.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index 33ba3c558fe4..af5f046e627e 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c | |||
| @@ -61,6 +61,11 @@ static inline struct page *dma_addr_to_page(struct device *dev, | |||
| 61 | * Warning on the terminology - Linux calls an uncached area coherent; | 61 | * Warning on the terminology - Linux calls an uncached area coherent; |
| 62 | * MIPS terminology calls memory areas with hardware maintained coherency | 62 | * MIPS terminology calls memory areas with hardware maintained coherency |
| 63 | * coherent. | 63 | * coherent. |
| 64 | * | ||
| 65 | * Note that the R14000 and R16000 should also be checked for in this | ||
| 66 | * condition. However this function is only called on non-I/O-coherent | ||
| 67 | * systems and only the R10000 and R12000 are used in such systems, the | ||
| 68 | * SGI IP28 Indigo² rsp. SGI IP32 aka O2. | ||
| 64 | */ | 69 | */ |
| 65 | static inline int cpu_needs_post_dma_flush(struct device *dev) | 70 | static inline int cpu_needs_post_dma_flush(struct device *dev) |
| 66 | { | 71 | { |