openwrt/target/linux/bcm27xx/patches-5.15/950-0190-Initialise-rpi-firmware-before-clk-bcm2835.patch
John Audia a34255b795 kernel: bump 5.15 to 5.15.75
Removed upstreamed:
   bcm27xx/patches-5.15/950-0446-drm-vc4-Fix-timings-for-VEC-modes.patch[1]

Manually rebased:
   patches-5.15/950-0600-xhci-quirks-add-link-TRB-quirk-for-VL805.patch
   bcm27xx/patches-5.15/950-0606-usb-xhci-add-VLI_TRB_CACHE_BUG-quirk.patch
   bcm27xx/patches-5.15/950-0717-usb-xhci-add-a-quirk-for-Superspeed-bulk-OUT-transfe.patch
   bcm53xx/patches-5.15/180-usb-xhci-add-support-for-performing-fake-doorbell.patch

All other patches automatically rebased

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.75&id=2810061452f9b748b096ad023d318690ca519aa3

Build system: x86_64
Build-tested: bcm2711/RPi4B, mt7622/RT3200
Run-tested: bcm2711/RPi4B, mt7622/RT3200

Signed-off-by: John Audia <therealgraysky@proton.me>
2022-10-30 17:54:59 +01:00

48 lines
1.6 KiB
Diff

From 02b606fbd70b9226e851d969828a1499cb7869bf Mon Sep 17 00:00:00 2001
From: Luke Hinds <7058938+lukehinds@users.noreply.github.com>
Date: Wed, 22 Jan 2020 16:03:00 +0000
Subject: [PATCH] Initialise rpi-firmware before clk-bcm2835
The IMA (Integrity Measurement Architecture) looks for a TPM (Trusted
Platform Module) having been registered when it initialises; otherwise
it assumes there is no TPM. It has been observed on BCM2835 that IMA
is initialised before TPM, and that initialising the BCM2835 clock
driver before the firmware driver has the effect of reversing this
order.
Change the firmware driver to initialise at core_initcall, delaying the
BCM2835 clock driver to postcore_initcall.
See: https://github.com/raspberrypi/linux/issues/3291
https://github.com/raspberrypi/linux/pull/3297
Signed-off-by: Luke Hinds <lhinds@redhat.com>
Co-authored-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/clk/bcm/clk-bcm2835.c | 2 +-
drivers/firmware/raspberrypi.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -2454,7 +2454,7 @@ static int __init __bcm2835_clk_driver_i
{
return platform_driver_register(&bcm2835_clk_driver);
}
-core_initcall(__bcm2835_clk_driver_init);
+postcore_initcall(__bcm2835_clk_driver_init);
MODULE_AUTHOR("Eric Anholt <eric@anholt.net>");
MODULE_DESCRIPTION("BCM2835 clock driver");
--- a/drivers/firmware/raspberrypi.c
+++ b/drivers/firmware/raspberrypi.c
@@ -498,7 +498,7 @@ out2:
out1:
return ret;
}
-subsys_initcall(rpi_firmware_init);
+core_initcall(rpi_firmware_init);
static void __init rpi_firmware_exit(void)
{