linux-kernel - [PATCH] hwrng: bcm2835: set quality to 1000

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Message-Id: <20210220174741.23665-1-noltari@gmail.com>
Date:   Sat, 20 Feb 2021 18:47:40 +0100
From:   Álvaro Fernández Rojas 
        <noltari@...il.com>
To:     mpm@...enic.com, herbert@...dor.apana.org.au,
        nsaenzjulienne@...e.de, f.fainelli@...il.com, rjui@...adcom.com,
        sbranden@...adcom.com, bcm-kernel-feedback-list@...adcom.com,
        rikard.falkeborn@...il.com, noltari@...il.com,
        linux-crypto@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        stijn@...ux-ipv6.be, ynezz@...e.cz
Subject: [PATCH] hwrng: bcm2835: set quality to 1000

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

Signed-off-by: Álvaro Fernández Rojas <noltari@...il.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