diff options
Diffstat (limited to 'lib/core/os.h')
| -rw-r--r-- | lib/core/os.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/core/os.h b/lib/core/os.h index fba954229..e3fb9e4d3 100644 --- a/lib/core/os.h +++ b/lib/core/os.h @@ -79,6 +79,10 @@ typedef dma_addr_t resource_size_t; #define unlikely(a) (a) #define BIT(a) (1UL << (a)) +#define ERR_PTR(err) ((void *)(long)(err)) +#define PTR_ERR(ptr) ((long)(ptr)) +#define IS_ERR(ptr) ((unsigned long)(ptr) >= (unsigned long)-4095) + #define jiffies (ktime_to_ns(ktime_get())) #define nsecs_to_jiffies(a) (a) #define usecs_to_jiffies(a) nsecs_to_jiffies((a) * 1000) |