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Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54 Removed upstreamed: generic/backport-6.6/780-24-v6.12-r8169-disable-ALDPS-per-default-for-RTL8125.patch[1] generic/pending-6.6/360-selftests-bpf-portability-of-unprivileged-tests.patch[2] Manually rebased: bcm53xx/patches-6.6/180-usb-xhci-add-support-for-performing-fake-doorbell.patch bmips/patches-6.6/200-mips-bmips-automatically-detect-CPU-frequency.patch All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.54&id=50d062b6cc90c45a0de54e9bd9903c82777d66bf 2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.54&id=103c0431c7fb4790affea121126840dbfb146341 Build system: x86/64 Build-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3 Run-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3 Signed-off-by: John Audia <therealgraysky@proton.me> Link: https://github.com/openwrt/openwrt/pull/16602 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
26 lines
850 B
Diff
26 lines
850 B
Diff
From bf03fa485094a2483bad7d27537f532d04e8d860 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Tue, 6 Dec 2016 17:05:39 +0000
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Subject: [PATCH 0076/1085] bcm2835-rng: Avoid initialising if already enabled
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Avoids the 0x40000 cycles of warmup again if firmware has already used it
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---
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drivers/char/hw_random/bcm2835-rng.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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--- a/drivers/char/hw_random/bcm2835-rng.c
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+++ b/drivers/char/hw_random/bcm2835-rng.c
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@@ -107,8 +107,10 @@ static int bcm2835_rng_init(struct hwrng
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}
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/* set warm-up count & enable */
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- rng_writel(priv, RNG_WARMUP_COUNT, RNG_STATUS);
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- rng_writel(priv, RNG_RBGEN, RNG_CTRL);
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+ if (!(rng_readl(priv, RNG_CTRL) & RNG_RBGEN)) {
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+ rng_writel(priv, RNG_WARMUP_COUNT, RNG_STATUS);
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+ rng_writel(priv, RNG_RBGEN, RNG_CTRL);
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+ }
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return ret;
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}
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