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authorÁlvaro Fernández Rojas <noltari@gmail.com>2020-05-27 17:29:45 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2020-05-28 10:36:27 +0200
commit745c447579326d26a239676173854065fae1a197 (patch)
treee24a7dc47314abc0689ec251569272832121bf70 /target/linux/bcm27xx/patches-4.19/950-0020-bcm2835-rng-Avoid-initialising-if-already-enabled.patch
parentad84c095028f6ddef95a92e028760cce23d32f6c (diff)
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bcm27xx: remove linux 4.19 support
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0020-bcm2835-rng-Avoid-initialising-if-already-enabled.patch')
-rw-r--r--target/linux/bcm27xx/patches-4.19/950-0020-bcm2835-rng-Avoid-initialising-if-already-enabled.patch25
1 files changed, 0 insertions, 25 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0020-bcm2835-rng-Avoid-initialising-if-already-enabled.patch b/target/linux/bcm27xx/patches-4.19/950-0020-bcm2835-rng-Avoid-initialising-if-already-enabled.patch
deleted file mode 100644
index 30ab0504ae..0000000000
--- a/target/linux/bcm27xx/patches-4.19/950-0020-bcm2835-rng-Avoid-initialising-if-already-enabled.patch
+++ /dev/null
@@ -1,25 +0,0 @@
-From d5df60f32f3c3b2f7f6d758ac08de6acb9fd947f Mon Sep 17 00:00:00 2001
-From: popcornmix <popcornmix@gmail.com>
-Date: Tue, 6 Dec 2016 17:05:39 +0000
-Subject: [PATCH] bcm2835-rng: Avoid initialising if already enabled
-
-Avoids the 0x40000 cycles of warmup again if firmware has already used it
----
- drivers/char/hw_random/bcm2835-rng.c | 6 ++++--
- 1 file changed, 4 insertions(+), 2 deletions(-)
-
---- a/drivers/char/hw_random/bcm2835-rng.c
-+++ b/drivers/char/hw_random/bcm2835-rng.c
-@@ -105,8 +105,10 @@ static int bcm2835_rng_init(struct hwrng
- }
-
- /* set warm-up count & enable */
-- rng_writel(priv, RNG_WARMUP_COUNT, RNG_STATUS);
-- rng_writel(priv, RNG_RBGEN, RNG_CTRL);
-+ if (!(rng_readl(priv, RNG_CTRL) & RNG_RBGEN)) {
-+ rng_writel(priv, RNG_WARMUP_COUNT, RNG_STATUS);
-+ rng_writel(priv, RNG_RBGEN, RNG_CTRL);
-+ }
-
- return ret;
- }