Files
eternalwrt-mt798x/target/linux/generic/pending-6.18/810-pci_disable_common_quirks.patch
T
John AudiaandJonas Jelonek 276214fc06 kernel: bump 6.18 to 6.18.39
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.18.39

Removed upstreamed:
  backport-6.18/704-v7.2-netfilter-flowtable-fix-offloaded-ct-timeout-never-b.patch[1]

All other patches automatically rebased via update_kernel.sh

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.18.39&id=81a5971cbe18b474b49c651e32f2194b2fb171fe

Build system: x86/64
Build-tested: x86/64-glibc
Run-tested: x86/64-glibc

Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/24282
Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
2026-07-20 20:05:54 +02:00

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
@@ -119,6 +119,13 @@ 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
@@ -301,6 +301,7 @@ 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.
@@ -3504,6 +3505,8 @@ 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
@@ -3529,6 +3532,8 @@ 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
@@ -3567,6 +3572,8 @@ 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.