[openwrt/openwrt] generic: add bcm2835-rng quality patch

[LEDE Commits]

noltari pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/7747b3fa36d30b0568661723361e6f7f519ae1c0

commit 7747b3fa36d30b0568661723361e6f7f519ae1c0
Author: Álvaro Fernández Rojas <noltari at gmail.com>
AuthorDate: Sat Feb 20 18:59:25 2021 +0100

    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 at gmail.com>
---
 .../840-hwrng-bcm2835-set-quality-to-1000.patch    | 26 ++++++++++++++++++++++
 .../840-hwrng-bcm2835-set-quality-to-1000.patch    | 26 ++++++++++++++++++++++
 2 files changed, 52 insertions(+)

diff --git a/target/linux/generic/pending-5.10/840-hwrng-bcm2835-set-quality-to-1000.patch b/target/linux/generic/pending-5.10/840-hwrng-bcm2835-set-quality-to-1000.patch
new file mode 100644
index 0000000000..247c6d8364
--- /dev/null
+++ b/target/linux/generic/pending-5.10/840-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 at 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 at 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);
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 at 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 at 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);