Files
openwrt/target/linux/generic/pending-6.12/810-pci_disable_common_quirks.patch
gongzi miao 738876e76b kernel: bump 6.12 to 6.12.58
changelogs:
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.58

Removed upstreamed patches:
1. target/linux/generic/backport-6.12/612-01-v6.17-net-dsa-tag_brcm-legacy-reorganize-functions.patch
   Upstream: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.58&id=a4daaf063f8269a5881154c5b77c5ef6639d65d3

2. target/linux/qualcommax/patches-6.12/0151-arm64-qcom-ipq6018-nss_port5.patch
   Upstream: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.58&id=9a7a5d50ee2e035325de9c720e4842d6759d2374

3. target/linux/realtek/patches-6.12/020-01-v6.18-timer-rtl-otto-work-around-dying-timers.patch
   Upstream: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.58&id=d0e217b33d42bfe52ef7ef447916a23a586e6e5c

4. target/linux/realtek/patches-6.12/020-03-v6.18-timer-rtl-otto-do-not-interfere-with-interrupts.patch
   Upstream: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.12.58&id=8cc561dd9d02f1753ae34dfdd565662828be9a9d

Additional changes:
- Manually adapted bcm27xx patch:
  * 950-0410-media-i2c-adv7180-Add-support-for-V4L2_CID_LINK_FREQ.patch
    Rebased and adjusted for kernel 6.12 to fix context conflicts.
- Synced lantiq DTS (danube.dtsi) with upstream bindings
  to fix DT validation issues on kernel 6.12.
- Manually adapted DTS to match OpenWrt's lantiq DTS layout.

Compile-tested on x86_64
Run-tested on x86_64

Signed-off-by: gongzi miao <miaogongzi0227@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/20777
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2025-11-20 21:30:26 +01:00

63 lines
2.2 KiB
Diff

From: Gabor Juhos <juhosg@openwrt.org>
Subject: debloat: add kernel config option to disabling common PCI quirks
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
drivers/pci/Kconfig | 6 ++++++
drivers/pci/quirks.c | 6 ++++++
2 files changed, 12 insertions(+)
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -118,6 +118,13 @@ config XEN_PCIDEV_FRONTEND
The PCI device frontend driver allows the kernel to import arbitrary
PCI devices from a PCI backend to support PCI driver domains.
+config PCI_DISABLE_COMMON_QUIRKS
+ bool "PCI disable common quirks"
+ depends on PCI
+ help
+ If you don't know what to do here, say N.
+
+
config PCI_ATS
bool
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -313,6 +313,7 @@ static void quirk_mmio_always_on(struct
DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_ANY_ID, PCI_ANY_ID,
PCI_CLASS_BRIDGE_HOST, 8, quirk_mmio_always_on);
+#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS
/*
* The Mellanox Tavor device gives false positive parity errors. Disable
* parity error reporting.
@@ -3509,6 +3510,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_I
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x65f9, quirk_intel_mc_errata);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x65fa, quirk_intel_mc_errata);
+#endif /* !CONFIG_PCI_DISABLE_COMMON_QUIRKS */
+
/*
* Ivytown NTB BAR sizes are misreported by the hardware due to an erratum.
* To work around this, query the size it should be configured to by the
@@ -3534,6 +3537,8 @@ static void quirk_intel_ntb(struct pci_d
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x0e08, quirk_intel_ntb);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x0e0d, quirk_intel_ntb);
+#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS
+
/*
* Some BIOS implementations leave the Intel GPU interrupts enabled, even
* though no one is handling them (e.g., if the i915 driver is never
@@ -3572,6 +3577,8 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_IN
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0152, disable_igfx_irq);
+#endif /* !CONFIG_PCI_DISABLE_COMMON_QUIRKS */
+
/*
* PCI devices which are on Intel chips can skip the 10ms delay
* before entering D3 mode.