mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/pci/pcie/Kconfig
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@@ -4,12 +4,10 @@
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 #
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 config PCIEPORTBUS
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 	bool "PCI Express Port Bus support"
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-	depends on PCI
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 	help
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-	  This automatically enables PCI Express Port Bus support. Users can
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-	  choose Native Hot-Plug support, Advanced Error Reporting support,
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-	  Power Management Event support and Virtual Channel support to run
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-	  on PCI Express Ports (Root or Switch).
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+	  This enables PCI Express Port Bus support. Users can then enable
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+	  support for Native Hot-Plug, Advanced Error Reporting, Power
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+	  Management Events, and Downstream Port Containment.
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 #
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 # Include service Kconfig here
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@@ -27,7 +25,6 @@
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 	bool "PCI Express Advanced Error Reporting support"
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 	depends on PCIEPORTBUS
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 	select RAS
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-	default y
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 	help
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 	  This enables PCI Express Root Port Advanced Error Reporting
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 	  (AER) driver support. Error reporting messages sent to Root
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@@ -36,7 +33,7 @@
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 config PCIEAER_INJECT
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 	tristate "PCI Express error injection support"
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 	depends on PCIEAER
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-	default n
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+	select GENERIC_IRQ_INJECTION
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 	help
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 	  This enables PCI Express Root Port Advanced Error Reporting
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 	  (AER) software error injector.
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@@ -46,7 +43,7 @@
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 	  error injection can fake almost all kinds of errors with the
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 	  help of a user space helper tool aer-inject, which can be
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 	  gotten from:
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-	     http://www.kernel.org/pub/linux/utils/pci/aer-inject/
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+	     https://www.kernel.org/pub/linux/utils/pci/aer-inject/
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 #
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 # PCI Express ECRC
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@@ -65,7 +62,6 @@
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 #
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 config PCIEASPM
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 	bool "PCI Express ASPM control" if EXPERT
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-	depends on PCI && PCIEPORTBUS
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 	default y
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 	help
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 	  This enables OS control over PCI Express ASPM (Active State
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@@ -80,14 +76,6 @@
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 	  /sys/module/pcie_aspm/parameters/policy
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 	  When in doubt, say Y.
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-
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-config PCIEASPM_DEBUG
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-	bool "Debug PCI Express ASPM"
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-	depends on PCIEASPM
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-	default n
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-	help
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-	  This enables PCI Express ASPM debug support. It will add per-device
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-	  interface to control ASPM.
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 choice
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 	prompt "Default ASPM policy"
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@@ -122,6 +110,12 @@
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 	  Disable PCI Express ASPM L0s and L1, even if the BIOS enabled them.
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 endchoice
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+config PCIEASPM_EXT
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+	tristate "Extend ASPM function"
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+	depends on PCIEASPM
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+	help
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+	  This enables the extensions APIs for ASPM control.
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+
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 config PCIE_PME
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 	def_bool y
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 	depends on PCIEPORTBUS && PM
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@@ -129,7 +123,6 @@
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 config PCIE_DPC
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 	bool "PCI Express Downstream Port Containment support"
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 	depends on PCIEPORTBUS && PCIEAER
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-	default n
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 	help
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 	  This enables PCI Express Downstream Port Containment (DPC)
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 	  driver support.  DPC events from Root and Downstream ports
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@@ -139,11 +132,19 @@
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 config PCIE_PTM
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 	bool "PCI Express Precision Time Measurement support"
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-	default n
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-	depends on PCIEPORTBUS
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 	help
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 	  This enables PCI Express Precision Time Measurement (PTM)
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 	  support.
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 	  This is only useful if you have devices that support PTM, but it
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 	  is safe to enable even if you don't.
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+
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+config PCIE_EDR
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+	bool "PCI Express Error Disconnect Recover support"
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+	depends on PCIE_DPC && ACPI
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+	help
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+	  This option adds Error Disconnect Recover support as specified
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+	  in the Downstream Port Containment Related Enhancements ECN to
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+	  the PCI Firmware Specification r3.2.  Enable this if you want to
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+	  support hybrid DPC model which uses both firmware and OS to
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+	  implement DPC.