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authorFelix Fietkau <nbd@nbd.name>2017-01-27 14:32:10 +0100
committerFelix Fietkau <nbd@nbd.name>2017-02-04 20:28:14 +0100
commitf791fb4af45032a653ba7c850f4564923871cb16 (patch)
treec1fc4e564c8e27faad582e5b55a9ce91816a241c /target/linux/generic/patches-4.9/810-pci_disable_common_quirks.patch
parent7d00cfe9bb693e376ac9d035e13f8ce8a5ff572c (diff)
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kernel: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
Diffstat (limited to 'target/linux/generic/patches-4.9/810-pci_disable_common_quirks.patch')
-rw-r--r--target/linux/generic/patches-4.9/810-pci_disable_common_quirks.patch51
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/810-pci_disable_common_quirks.patch b/target/linux/generic/patches-4.9/810-pci_disable_common_quirks.patch
new file mode 100644
index 0000000000..617bb24109
--- /dev/null
+++ b/target/linux/generic/patches-4.9/810-pci_disable_common_quirks.patch
@@ -0,0 +1,51 @@
+--- a/drivers/pci/Kconfig
++++ b/drivers/pci/Kconfig
+@@ -71,6 +71,12 @@ 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 HT_IRQ
+ bool "Interrupts on hypertransport devices"
+ default y
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -41,6 +41,7 @@ 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" this now blacklisted device.
+@@ -3015,6 +3016,7 @@ 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
+@@ -3071,6 +3073,8 @@ static void fixup_debug_report(struct pc
+ }
+ }
+
++#ifndef CONFIG_PCI_DISABLE_COMMON_QUIRKS
++
+ /*
+ * Some BIOS implementations leave the Intel GPU interrupts enabled,
+ * even though no one is handling them (f.e. i915 driver is never loaded).
+@@ -3105,6 +3109,8 @@ 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.