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| author | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-20 18:59:25 +0100 |
|---|---|---|
| committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2021-02-20 19:02:18 +0100 |
| commit | 906c87814dbf5e3d7f26bdeae198f01a3c189e40 (patch) | |
| tree | 3d971ee1bdd5dd8fbc07b763c984454dfa4412d8 /target | |
| parent | 5808c8c6ba73fe39113e5fe65924098f50fd4d8f (diff) | |
| download | upstream-906c87814dbf5e3d7f26bdeae198f01a3c189e40.tar.gz upstream-906c87814dbf5e3d7f26bdeae198f01a3c189e40.tar.bz2 upstream-906c87814dbf5e3d7f26bdeae198f01a3c189e40.zip | |
generic: add bcm2835-rng quality patch
This patch allows devices without a high resolution timer to boot up faster.
It should speed up boots for bcm2708 and bcm63xx.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit 7747b3fa36)
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/generic/pending-5.4/840-hwrng-bcm2835-set-quality-to-1000.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.4/840-hwrng-bcm2835-set-quality-to-1000.patch b/target/linux/generic/pending-5.4/840-hwrng-bcm2835-set-quality-to-1000.patch new file mode 100644 index 0000000000..247c6d8364 --- /dev/null +++ b/target/linux/generic/pending-5.4/840-hwrng-bcm2835-set-quality-to-1000.patch @@ -0,0 +1,26 @@ +From d6988cf1d16faac56899918bb2b1be8d85155e3f 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] 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(+) + +--- a/drivers/char/hw_random/bcm2835-rng.c ++++ b/drivers/char/hw_random/bcm2835-rng.c +@@ -167,6 +167,7 @@ static int bcm2835_rng_probe(struct plat + 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, np); |