diff options
| -rw-r--r-- | arch/mips/include/asm/io.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index fd00ddaf..a7d0b83 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -377,6 +377,8 @@ static inline type pfx##read##bwlq(const volatile void __iomem *mem) \ BUG(); \ } \ \ + /* prevent prefetching of coherent DMA data prematurely */ \ + rmb(); \ return pfx##ioswab##bwlq(__mem, __val); \ } |
