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6a108a14fa
The meaning of CONFIG_EMBEDDED has long since been obsoleted; the option is used to configure any non-standard kernel with a much larger scope than only small devices. This patch renames the option to CONFIG_EXPERT in init/Kconfig and fixes references to the option throughout the kernel. A new CONFIG_EMBEDDED option is added that automatically selects CONFIG_EXPERT when enabled and can be used in the future to isolate options that should only be considered for embedded systems (RISC architectures, SLOB, etc). Calling the option "EXPERT" more accurately represents its intention: only expert users who understand the impact of the configuration changes they are making should enable it. Reviewed-by: Ingo Molnar <mingo@elte.hu> Acked-by: David Woodhouse <david.woodhouse@intel.com> Signed-off-by: David Rientjes <rientjes@google.com> Cc: Greg KH <gregkh@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jens Axboe <axboe@kernel.dk> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Robin Holt <holt@sgi.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
61 lines
1.6 KiB
Plaintext
61 lines
1.6 KiB
Plaintext
#
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# PCI Express Port Bus Configuration
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#
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config PCIEPORTBUS
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bool "PCI Express 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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#
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# Include service Kconfig here
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#
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config HOTPLUG_PCI_PCIE
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tristate "PCI Express Hotplug driver"
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depends on HOTPLUG_PCI && PCIEPORTBUS
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help
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Say Y here if you have a motherboard that supports PCI Express Native
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Hotplug
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To compile this driver as a module, choose M here: the
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module will be called pciehp.
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When in doubt, say N.
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source "drivers/pci/pcie/aer/Kconfig"
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#
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# PCI Express ASPM
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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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Power Management) and Clock Power Management. ASPM supports
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state L0/L0s/L1.
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ASPM is initially set up the the firmware. With this option enabled,
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Linux can modify this state in order to disable ASPM on known-bad
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hardware or configurations and enable it when known-safe.
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ASPM can be disabled or enabled at runtime via
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/sys/module/pcie_aspm/parameters/policy
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When in doubt, say Y.
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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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config PCIE_PME
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def_bool y
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depends on PCIEPORTBUS && PM_RUNTIME && EXPERIMENTAL && ACPI
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