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Add macb silent TX stall fix series to kernel build

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Three-patch series targeting the BCM2712/RP1 (Raspberry Pi 5)
silent TX hang documented at:
  * https://github.com/cilium/cilium/issues/43198
  * https://bugs.launchpad.net/ubuntu/+source/linux-raspi/+bug/2133877

  0001: flush PCIe posted write after TSTART doorbell
  0002: re-check ISR after IER re-enable in macb_tx_poll
  0003: add TX stall watchdog fallback for lost TCOMP

New patches live in patches/linux/ and are copied into
checkouts/pkgs/kernel/build/patches/ via a new 'patches-linux'
Makefile target, wired into the existing 'patches' aggregate.

Verified to apply cleanly against raspberrypi/linux @ f2f68e79f16f
(the ref pinned by the preceding commit).

Author of the patches: Lukasz Raczylo <lukasz@raczylo.com>.
This commit is contained in:
Lukasz Raczylo
2026-04-24 18:47:51 +01:00
parent 511fbc0e97
commit 2ed45176d6
4 changed files with 323 additions and 4 deletions
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Makefile
+12 -4
View File
@@ -63,7 +63,7 @@ checkouts-clean:
#
# Patches
#
.PHONY: patches-pkgs patches-talos patches-sbc-raspberrypi patches patches
.PHONY: patches-pkgs patches-talos patches-sbc-raspberrypi patches-linux patches
patches-pkgs:
cd "$(CHECKOUTS_DIRECTORY)/pkgs" && \
git am "$(PATCHES_DIRECTORY)/siderolabs/pkgs/0001-Patched-for-Raspberry-Pi-5.patch"
@@ -77,10 +77,18 @@ patches-sbc-raspberrypi:
cd "$(CHECKOUTS_DIRECTORY)/sbc-raspberrypi" && \
git am "$(PATCHES_DIRECTORY)/siderolabs/sbc-raspberrypi/0001-Patched-for-Raspberry-Pi-5.patch"
patches: patches-pkgs patches-talos patches-sbc-raspberrypi
# Drop local kernel .patch files into the pkgs kernel/build patch dir so
# they are picked up by the patch loop in kernel/build/pkg.yaml. Sorted
# numeric filenames preserve apply order.
patches-linux:
@if [ -d "$(PATCHES_DIRECTORY)/linux" ] && ls "$(PATCHES_DIRECTORY)/linux"/*.patch >/dev/null 2>&1; then \
mkdir -p "$(CHECKOUTS_DIRECTORY)/pkgs/kernel/build/patches" && \
cp -v "$(PATCHES_DIRECTORY)/linux"/*.patch "$(CHECKOUTS_DIRECTORY)/pkgs/kernel/build/patches/"; \
else \
echo "No local kernel patches in $(PATCHES_DIRECTORY)/linux, skipping"; \
fi
# Backwards-compatible alias
patches: patches
patches: patches-pkgs patches-talos patches-sbc-raspberrypi patches-linux
.PHONY: kernel
kernel: