[HWRNG]: move status polling loop to data_present callbacks

Handle waiting for new random within the drivers themselves, this allows to
use better suited timeouts for the individual rngs.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/hw_random.h b/include/linux/hw_random.h
index 21ea7610e177..85d11916e9ea 100644
--- a/include/linux/hw_random.h
+++ b/include/linux/hw_random.h
@@ -33,7 +33,7 @@ struct hwrng {
         const char *name;
         int (*init)(struct hwrng *rng);
         void (*cleanup)(struct hwrng *rng);
-        int (*data_present)(struct hwrng *rng);
+        int (*data_present)(struct hwrng *rng, int wait);
         int (*data_read)(struct hwrng *rng, u32 *data);
         unsigned long priv;