lede/target/linux/generic/pending-5.10/810-pci_disable_common_quirks.patch
Beginner a9c5c7aa6b
kernel: bump 5.10 to 5.10.70 (#7976)
* kernel: bump 5.10 to 5.10.65

Manually refreshed:
generic/pending-5.10/800-bcma-get-SoC-device-struct-copy-its-DMA-params-to-th.patch
bcm27xx/patches-5.10/950-0053-firmware-bcm2835-Support-ARCH_BCM270x.patch
bcm27xx/patches-5.10/950-0087-firmware-raspberrypi-Add-backward-compatible-get_thr.patch

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>

* kernel: bump 5.10 to 5.10.66

No patches refreshed.

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>

* kernel: bump 5.10 to 5.10.67

Deleted (upstreamed):
bcm27xx/patches-5.10/950-0312-vc4_hdmi-Set-HD_CTL_WHOLSMP-and-HD_CTL_CHALIGN_SET.patch

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>

* kernel: bump 5.10 to 5.10.68

Deleted (upstreamed):
generic/backport-5.10/610-v5.13-02-netfilter-Fix-fall-through-warnings-for-Clang.patch
generic/backport-5.10/792-v5.15-0001-net-dsa-b53-Fix-calculating-number-of-switch-ports.patch
generic/backport-5.10/792-v5.15-0002-net-dsa-b53-Set-correct-number-of-ports-in-the-DSA-s.patch
generic/backport-5.10/792-v5.15-0003-net-dsa-b53-Fix-IMP-port-setup-on-BCM5301x.patch
generic/backport-5.10/840-0001-PCI-of-Don-t-fail-devm_pci_alloc_host_bridge-on-miss.patch
generic/backport-5.10/840-0002-PCI-iproc-Fix-BCMA-probe-resource-handling.patch
generic/pending-5.10/498-mtd-mtdconcat-select-readwrite-function.patch

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>

* kernel: bump 5.10 to 5.10.69

Patches automatically refreshed.

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>

* kernel: bump 5.10 to 5.10.70

Deleted (upstreamed):
bcm53xx/patches-5.10/181-Revert-USB-bcma-Add-a-check-for-devm_gpiod_get.patch

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>

Co-authored-by: Rui Salvaterra <rsalvaterra@gmail.com>
2021-10-04 22:25:52 +08:00

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
@@ -206,6 +206,7 @@ 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. Mark this
* device with a broken_parity_status to allow PCI scanning code to "skip"
@@ -3323,6 +3324,8 @@ 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
@@ -3348,6 +3351,8 @@ 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
@@ -3386,6 +3391,8 @@ 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.