openwrt/target/linux/generic/pending-5.15/810-pci_disable_common_quirks.patch
Rui Salvaterra be381a7ac7 kernel: bump 5.15 to 5.15.33
Deleted (upstreamed):
generic/backport-5.15/350-v5.18-MIPS-pgalloc-fix-memory-leak-caused-by-pgd_free.patch [1]
generic/backport-5.15/730-v5.16-hv-utils-add-PTP_1588_CLOCK-to-Kconfig-to-fix-build.patch [2]
generic/pending-5.15/850-0014-PCI-aardvark-Fix-reading-PCI_EXP_RTSTA_PME-bit-on-em.patch [3]
generic/pending-5.15/850-0002-PCI-aardvark-Fix-reading-MSI-interrupt-number.patch [4]

Manually rebased:
generic/pending-5.15/850-0002-PCI-aardvark-Fix-reading-MSI-interrupt-number.patch
ramips/patches-5.15/710-at803x.patch

[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.33&id=d29cda15cab086d82d692de016f7249545d4b6b4
[2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.33&id=d5aad7d63b1b5c1f3c4b69e12c05e7c7d196fae8
[3] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.33&id=ed750e22e44366e264bcdf7b1cf0713f08f7980a
[4] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.33&id=0fe94b84c43cfea867e1721606185e8686d7d32f

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
[Refresh patches again]
[Remove generic/pending-5.15/850-0002-PCI-aardvark-Fix-reading-MSI-interrupt-number.patch]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2022-04-09 19:31:46 +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
@@ -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. Disable
* parity error reporting.
@@ -3363,6 +3364,8 @@ 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
@@ -3388,6 +3391,8 @@ 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
@@ -3426,6 +3431,8 @@ 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.