[PATCH] hwrng: bcm2835: set quality to 1000

Álvaro Fernández Rojas noltari at gmail.com
Sat Feb 20 12:47:40 EST 2021


This allows devices without a high precission timer to reduce boot from >100s
to <30s.

Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
---
 drivers/char/hw_random/bcm2835-rng.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c
index 1a7c43b43c6b..4b48cb7176b0 100644
--- a/drivers/char/hw_random/bcm2835-rng.c
+++ b/drivers/char/hw_random/bcm2835-rng.c
@@ -163,6 +163,7 @@ static int bcm2835_rng_probe(struct platform_device *pdev)
 	priv->rng.init = bcm2835_rng_init;
 	priv->rng.read = bcm2835_rng_read;
 	priv->rng.cleanup = bcm2835_rng_cleanup;
+	priv->rng.quality = 1000;
 
 	if (dev_of_node(dev)) {
 		rng_id = of_match_node(bcm2835_rng_of_match, dev->of_node);
-- 
2.20.1




More information about the linux-arm-kernel mailing list