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-rw-r--r--include/linux/hw_random.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h
index aa1d4da03538..8a3115516a1b 100644
--- a/include/linux/hw_random.h
+++ b/include/linux/hw_random.h
@@ -34,7 +34,7 @@
* @priv: Private data, for use by the RNG driver.
* @quality: Estimation of true entropy in RNG's bitstream
* (in bits of entropy per 1024 bits of input;
- * valid values: 1 to 1024, or 0 for unknown).
+ * valid values: 1 to 1024, or 0 for maximum).
*/
struct hwrng {
const char *name;
@@ -50,6 +50,7 @@ struct hwrng {
struct list_head list;
struct kref ref;
struct completion cleanup_done;
+ struct completion dying;
};
struct device;
@@ -61,4 +62,6 @@ extern int devm_hwrng_register(struct device *dev, struct hwrng *rng);
extern void hwrng_unregister(struct hwrng *rng);
extern void devm_hwrng_unregister(struct device *dve, struct hwrng *rng);
+extern long hwrng_msleep(struct hwrng *rng, unsigned int msecs);
+
#endif /* LINUX_HWRANDOM_H_ */