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-rw-r--r--drivers/pci/host/Kconfig14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
index 7f47cd5e10a5..8e54115681d8 100644
--- a/drivers/pci/host/Kconfig
+++ b/drivers/pci/host/Kconfig
@@ -180,6 +180,20 @@ config PCIE_ROCKCHIP
There is 1 internal PCIe port available to support GEN2 with
4 slots.
+config PCIE_TANGO_SMP8759
+ bool "Tango SMP8759 PCIe controller (DANGEROUS)"
+ depends on ARCH_TANGO && PCI_MSI && OF
+ depends on BROKEN
+ select PCI_HOST_COMMON
+ help
+ Say Y here to enable PCIe controller support for Sigma Designs
+ Tango SMP8759-based systems.
+
+ Note: The SMP8759 controller multiplexes PCI config and MMIO
+ accesses, and Linux doesn't provide a way to serialize them.
+ This can lead to data corruption if drivers perform concurrent
+ config and MMIO accesses.
+
config VMD
depends on PCI_MSI && X86_64 && SRCU
tristate "Intel Volume Management Device Driver"