Merge Official Source
Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
This commit is contained in:
@@ -87,7 +87,7 @@ platform_do_upgrade() {
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}
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platform_copy_config() {
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case "${board_name}" in
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case "$(board_name)" in
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asus,onhub |\
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tplink,onhub)
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emmc_copy_config
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@@ -297,6 +297,8 @@
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interrupt-parent = <&gpio0>;
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interrupts = <20 IRQ_TYPE_LEVEL_LOW>;
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reset-gpios = <&gpio0 23 GPIO_ACTIVE_LOW>;
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reset-assert-us = <10000>;
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reset-deassert-us = <10000>;
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/*
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* LINK/ACT (Green): LED[0], Active Low
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* SPEED 100M (Amber): LED[1], Active High
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@@ -313,6 +315,8 @@
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interrupt-parent = <&gpio1>;
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interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
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reset-gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
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reset-assert-us = <10000>;
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reset-deassert-us = <10000>;
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/*
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* LINK/ACT (Green): LED[0], Active Low
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* SPEED 100M (Amber): LED[1], Active High
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@@ -0,0 +1,47 @@
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From 859bd2e0c0052967536f3f902716f204d5a978b1 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jonas.gorski@gmail.com>
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Date: Fri, 8 Sep 2023 22:48:33 +0200
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Subject: [PATCH] hwrng: geode: fix accessing registers
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When the membase and pci_dev pointer were moved to a new struct in priv,
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the actual membase users were left untouched, and they started reading
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out arbitrary memory behind the struct instead of registers. This
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unfortunately turned the RNG into a constant number generator, depending
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on the content of what was at that offset.
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To fix this, update geode_rng_data_{read,present}() to also get the
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membase via amd_geode_priv, and properly read from the right addresses
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again.
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Fixes: 9f6ec8dc574e ("hwrng: geode - Fix PCI device refcount leak")
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Reported-by: Timur I. Davletshin <timur.davletshin@gmail.com>
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Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217882
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Tested-by: Timur I. Davletshin <timur.davletshin@gmail.com>
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Suggested-by: Jo-Philipp Wich <jo@mein.io>
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Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
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---
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drivers/char/hw_random/geode-rng.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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--- a/drivers/char/hw_random/geode-rng.c
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+++ b/drivers/char/hw_random/geode-rng.c
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@@ -58,7 +58,8 @@ struct amd_geode_priv {
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static int geode_rng_data_read(struct hwrng *rng, u32 *data)
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{
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- void __iomem *mem = (void __iomem *)rng->priv;
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+ struct amd_geode_priv *priv = (struct amd_geode_priv *)rng->priv;
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+ void __iomem *mem = priv->membase;
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*data = readl(mem + GEODE_RNG_DATA_REG);
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@@ -67,7 +68,8 @@ static int geode_rng_data_read(struct hw
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static int geode_rng_data_present(struct hwrng *rng, int wait)
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{
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- void __iomem *mem = (void __iomem *)rng->priv;
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+ struct amd_geode_priv *priv = (struct amd_geode_priv *)rng->priv;
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+ void __iomem *mem = priv->membase;
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int data, i;
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for (i = 0; i < 20; i++) {
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