diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-i386/dma-mapping.h | 6 | ||||
| -rw-r--r-- | include/asm-x86_64/unistd.h | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/include/asm-i386/dma-mapping.h b/include/asm-i386/dma-mapping.h index 183eebeebbdc..f1d72d177f68 100644 --- a/include/asm-i386/dma-mapping.h +++ b/include/asm-i386/dma-mapping.h @@ -123,6 +123,8 @@ dma_mapping_error(dma_addr_t dma_addr) return 0; } +extern int forbid_dac; + static inline int dma_supported(struct device *dev, u64 mask) { @@ -134,6 +136,10 @@ dma_supported(struct device *dev, u64 mask) if(mask < 0x00ffffff) return 0; + /* Work around chipset bugs */ + if (forbid_dac > 0 && mask > 0xffffffffULL) + return 0; + return 1; } diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h index ae1ed05f2814..8696f8ad401e 100644 --- a/include/asm-x86_64/unistd.h +++ b/include/asm-x86_64/unistd.h @@ -626,9 +626,9 @@ __SYSCALL(__NR_utimensat, sys_utimensat) __SYSCALL(__NR_epoll_pwait, sys_epoll_pwait) #define __NR_signalfd 282 __SYSCALL(__NR_signalfd, sys_signalfd) -#define __NR_timerfd 282 +#define __NR_timerfd 283 __SYSCALL(__NR_timerfd, sys_timerfd) -#define __NR_eventfd 283 +#define __NR_eventfd 284 __SYSCALL(__NR_eventfd, sys_eventfd) #ifndef __NO_STUBS |