diff options
Diffstat (limited to 'include/linux/hw_random.h')
| -rw-r--r-- | include/linux/hw_random.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h index 4f7d8f4b1e9a..bee0827766a3 100644 --- a/include/linux/hw_random.h +++ b/include/linux/hw_random.h @@ -29,7 +29,8 @@ * Returns the number of lower random bytes in "data". * Must not be NULL. *OBSOLETE* * @read: New API. drivers can fill up to max bytes of data - * into the buffer. The buffer is aligned for any type. + * into the buffer. The buffer is aligned for any type + * and max is a multiple of 4 and >= 32 bytes. * @priv: Private data, for use by the RNG driver. * @quality: Estimation of true entropy in RNG's bitstream * (per mill). |