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-rw-r--r--nixos/modules/kernel-patches/0081-hwrng-bcm2835-set-quality-to-1000.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/nixos/modules/kernel-patches/0081-hwrng-bcm2835-set-quality-to-1000.patch b/nixos/modules/kernel-patches/0081-hwrng-bcm2835-set-quality-to-1000.patch
new file mode 100644
index 0000000..243255c
--- /dev/null
+++ b/nixos/modules/kernel-patches/0081-hwrng-bcm2835-set-quality-to-1000.patch
@@ -0,0 +1,31 @@
+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
+