diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0023-bcm2835-rng-Avoid-initialising-if-already-enabled.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0023-bcm2835-rng-Avoid-initialising-if-already-enabled.patch | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0023-bcm2835-rng-Avoid-initialising-if-already-enabled.patch b/target/linux/brcm2708/patches-4.14/950-0023-bcm2835-rng-Avoid-initialising-if-already-enabled.patch deleted file mode 100644 index ca8fe94eef..0000000000 --- a/target/linux/brcm2708/patches-4.14/950-0023-bcm2835-rng-Avoid-initialising-if-already-enabled.patch +++ /dev/null @@ -1,26 +0,0 @@ -From 3c343d373b5de2837e9dd827fe9b44f2563186cb Mon Sep 17 00:00:00 2001 -From: popcornmix <popcornmix@gmail.com> -Date: Tue, 6 Dec 2016 17:05:39 +0000 -Subject: [PATCH 023/454] 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 | 7 ++++--- - 1 file changed, 4 insertions(+), 3 deletions(-) - ---- a/drivers/char/hw_random/bcm2835-rng.c -+++ b/drivers/char/hw_random/bcm2835-rng.c -@@ -102,9 +102,10 @@ static int bcm2835_rng_probe(struct plat - rng_setup(rng_base); - - /* set warm-up count & enable */ -- __raw_writel(RNG_WARMUP_COUNT, rng_base + RNG_STATUS); -- __raw_writel(RNG_RBGEN, rng_base + RNG_CTRL); -- -+ if (!(__raw_readl(rng_base + RNG_CTRL) & RNG_RBGEN)) { -+ __raw_writel(RNG_WARMUP_COUNT, rng_base + RNG_STATUS); -+ __raw_writel(RNG_RBGEN, rng_base + RNG_CTRL); -+ } - /* register driver */ - err = hwrng_register(&bcm2835_rng_ops); - if (err) { |