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path: root/nixos/modules/kernel-patches/0081-hwrng-bcm2835-set-quality-to-1000.patch
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From bd3b6ea1d7d04215943564bb5a9ea0e7baa6da9f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Sat, 20 Feb 2021 18:36:38 +0100
Subject: [PATCH 81/96] hwrng: bcm2835: set quality to 1000
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

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

Signed-off-by: Álvaro Fernández Rojas <noltari@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 e7dd457e9b22..9caf88e614d3 100644
--- a/drivers/char/hw_random/bcm2835-rng.c
+++ b/drivers/char/hw_random/bcm2835-rng.c
@@ -170,6 +170,7 @@ 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);
-- 
2.37.2