summaryrefslogtreecommitdiff
path: root/include/linux/hw_random.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/hw_random.h')
-rw-r--r--include/linux/hw_random.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h
index bee0827766a3..c0b93e0ff0c0 100644
--- a/include/linux/hw_random.h
+++ b/include/linux/hw_random.h
@@ -33,7 +33,8 @@
* 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).
+ * (in bits of entropy per 1024 bits of input;
+ * valid values: 1 to 1024, or 0 for unknown).
*/
struct hwrng {
const char *name;