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c6ddf8d502
Many changes were done in drivers/pinctrl/bcm/pinctrl-bcm2835.c between
5.4.171 and 5.4.179.
The following 3 patches do not apply any more:
* target/linux/bcm27xx/patches-5.4/950-0316-pinctrl-bcm2835-Add-support-for-BCM2711-pull-up-func.patch
This was already integrated in kernel v5.4-rc1, it was never needed.
* target/linux/bcm27xx/patches-5.4/950-0328-Revert-pinctrl-bcm2835-Pass-irqchip-when-adding-gpio.patch
* target/linux/bcm27xx/patches-5.4/950-0362-pinctrl-bcm2835-Change-init-order-for-gpio-hogs.patch
I think these were done to fix the problem which was really fixed in
commit 75278f1aff5e ("pinctrl: bcm2835: Change init order for gpio
hogs") from v5.4.175
target/linux/generic/backport-5.4/716-v5.5-net-sfp-move-fwnode-parsing-into-sfp-bus-layer.patch
Move fwnode_device_is_available to the same position as in kernel 5.10.
target/linux/layerscape/patches-5.4/302-dts-0083-arm64-ls1028a-qds-correct-bus-of-rtc.patch
Applied in commit 65816c1034769e714edb70f59a33bc5472d9e55f ("arm64: dts:
ls1028a-qds: move rtc node to the correct i2c bus")
Compile-tested: lantiq/xrx200, bcm27xx/bcm2710
Run-tested: lantiq/xrx200
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
48 lines
1.6 KiB
Diff
48 lines
1.6 KiB
Diff
From 2c1a5dae2fb127729773685e3cd1e48934edf1f2 Mon Sep 17 00:00:00 2001
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From: Luke Hinds <7058938+lukehinds@users.noreply.github.com>
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Date: Wed, 22 Jan 2020 16:03:00 +0000
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Subject: [PATCH] Initialise rpi-firmware before clk-bcm2835
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The IMA (Integrity Measurement Architecture) looks for a TPM (Trusted
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Platform Module) having been registered when it initialises; otherwise
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it assumes there is no TPM. It has been observed on BCM2835 that IMA
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is initialised before TPM, and that initialising the BCM2835 clock
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driver before the firmware driver has the effect of reversing this
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order.
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Change the firmware driver to initialise at core_initcall, delaying the
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BCM2835 clock driver to postcore_initcall.
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See: https://github.com/raspberrypi/linux/issues/3291
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https://github.com/raspberrypi/linux/pull/3297
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Signed-off-by: Luke Hinds <lhinds@redhat.com>
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Co-authored-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/clk/bcm/clk-bcm2835.c | 2 +-
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drivers/firmware/raspberrypi.c | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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--- a/drivers/clk/bcm/clk-bcm2835.c
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+++ b/drivers/clk/bcm/clk-bcm2835.c
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@@ -2396,7 +2396,7 @@ static int __init __bcm2835_clk_driver_i
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{
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return platform_driver_register(&bcm2835_clk_driver);
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}
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-core_initcall(__bcm2835_clk_driver_init);
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+postcore_initcall(__bcm2835_clk_driver_init);
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MODULE_AUTHOR("Eric Anholt <eric@anholt.net>");
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MODULE_DESCRIPTION("BCM2835 clock driver");
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--- a/drivers/firmware/raspberrypi.c
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+++ b/drivers/firmware/raspberrypi.c
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@@ -416,7 +416,7 @@ out2:
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out1:
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return ret;
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}
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-subsys_initcall(rpi_firmware_init);
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+core_initcall(rpi_firmware_init);
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static void __init rpi_firmware_exit(void)
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{
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