Add Qualcomm IPC router to enable USB(Lenovo x13s)
Signed-off-by: Dennis Gilmore <dennis@ausil.us>
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2531.patch
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2531.patch
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From a8015f7dfc682100434e3ee051bf9472a8e6cad4 Mon Sep 17 00:00:00 2001
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From: Jeremy Linton <jeremy.linton@arm.com>
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Date: Fri, 6 Oct 2023 10:33:22 -0500
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Subject: [PATCH] feat(kernel-modules): add Qualcomm IPC router to enable USB
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The x13s, and possibly other Qualcomm based devices need the QC
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IPC router driver in order to enable USB. Without it, its not
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possible to boot from USB-C attached disks.
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IPC in this case is Inter _Processor_ Communication and forms
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the message bus used to communicate between differing processing
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elements in a given system/SoC running and managing various
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hardware devices. This means that while it appears this driver
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should be in the dracut network modules that is incorrect
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because its not for enabling host networking in the initrd,
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but rather for communicating with other hardware blocks.
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Those other blocks aren't limited to modems, but any SMD (shared
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memory device), which on QC based machines includes the audio DSPs,
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RPM (resource power manager) and of course the application
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processor cores linux is running on.
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References:
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https://osmocom.org/projects/quectel-modems/wiki/Qualcomm_Linux_SMD
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https://android.googlesource.com/kernel/msm/+/android-7.1.0_r0.2/Documentation/arm/msm/msm_ipc_router.txt
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https://github.com/dracutdevs/dracut/pull/2531
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Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
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---
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modules.d/90kernel-modules/module-setup.sh | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/modules.d/90kernel-modules/module-setup.sh b/modules.d/90kernel-modules/module-setup.sh
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index e217512594..75afecc86f 100755
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--- a/modules.d/90kernel-modules/module-setup.sh
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+++ b/modules.d/90kernel-modules/module-setup.sh
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@@ -95,7 +95,8 @@ installkernel() {
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"=drivers/usb/misc" \
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"=drivers/usb/musb" \
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"=drivers/usb/phy" \
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- "=drivers/scsi/hisi_sas"
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+ "=drivers/scsi/hisi_sas" \
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+ "=net/qrtr"
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fi
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awk -F: '/^\// {print $1}' "$srcmods/modules.dep" 2> /dev/null | instmods
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@ -7,7 +7,7 @@
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%global __requires_exclude pkg-config
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# rpmdev-bumpspec and releng automation compatible variable
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%global baserelease 17
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%global baserelease 18
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Name: dracut
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Version: 059
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@ -94,6 +94,10 @@ Patch16: https://github.com/dracutdevs/dracut/pull/2527.patch
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# https://github.com/dracutdevs/dracut/pull/2481
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Patch17: 2481-remove-microcode-check-based-on-CONFIG_MICROCODE_.patch
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# Fix for Lenovo x13s
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# https://github.com/dracutdevs/dracut/pull/2531
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Patch: 2531.patch
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BuildRequires: bash
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BuildRequires: git-core
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BuildRequires: pkgconfig(libkmod) >= 23
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@ -494,6 +498,9 @@ echo 'dracut_rescue_image="yes"' > $RPM_BUILD_ROOT%{dracutlibdir}/dracut.conf.d/
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%{_prefix}/lib/kernel/install.d/51-dracut-rescue.install
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%changelog
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* Fri Dec 08 2023 Dennis Gilmore <dennis@ausil.us> - 059-18
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- Add Qualcomm IPC router to enable USB(Lenovo x13s)
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* Thu Nov 16 2023 Pavel Valena <pvalena@redhat.com> - 059-17
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- fix(dracut.sh): remove microcode check based on
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