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649e0a77e2
The DT unittest currently requires an arch (typically) to select OF_EARLY_FLATTREE. Remove this dependency by selecting it directly so that the unittest can be enabled easily on any architecture. With this and the prior commit, we can easily enable and run unittests starting with x86 defconfig rather than hunting for the combination of config options to enable OF on x86. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Pantelis Antoniou <pantelis.antoniou@konsulko.com> Acked-by: Grant Likely <grant.likely@lianro.org>
106 lines
2.2 KiB
Plaintext
106 lines
2.2 KiB
Plaintext
config DTC
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bool
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menuconfig OF
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bool "Device Tree and Open Firmware support"
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help
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This option enables the device tree infrastructure.
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It is automatically selected by platforms that need it or can
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be enabled manually for unittests, overlays or
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compile-coverage.
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if OF
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config OF_UNITTEST
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bool "Device Tree runtime unit tests"
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depends on OF_IRQ
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select OF_EARLY_FLATTREE
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select OF_RESOLVE
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help
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This option builds in test cases for the device tree infrastructure
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that are executed once at boot time, and the results dumped to the
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console.
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If unsure, say N here, but this option is safe to enable.
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config OF_FLATTREE
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bool
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select DTC
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select LIBFDT
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select CRC32
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config OF_EARLY_FLATTREE
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bool
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select OF_FLATTREE
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config OF_PROMTREE
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bool
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# Hardly any platforms need this. It is safe to select, but only do so if you
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# need it.
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config OF_DYNAMIC
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bool "Support for dynamic device trees" if OF_UNITTEST
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help
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On some platforms, the device tree can be manipulated at runtime.
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While this option is selected automatically on such platforms, you
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can enable it manually to improve device tree unit test coverage.
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config OF_ADDRESS
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def_bool y
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depends on !SPARC
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select OF_ADDRESS_PCI if PCI
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config OF_ADDRESS_PCI
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bool
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config OF_IRQ
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def_bool y
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depends on !SPARC && IRQ_DOMAIN
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config OF_NET
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depends on NETDEVICES
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def_bool y
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config OF_MDIO
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def_tristate PHYLIB
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depends on PHYLIB
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help
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OpenFirmware MDIO bus (Ethernet PHY) accessors
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config OF_PCI
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def_tristate PCI
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depends on PCI
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help
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OpenFirmware PCI bus accessors
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config OF_PCI_IRQ
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def_tristate PCI
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depends on OF_PCI && OF_IRQ
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help
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OpenFirmware PCI IRQ routing helpers
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config OF_MTD
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depends on MTD
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def_bool y
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config OF_RESERVED_MEM
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depends on OF_EARLY_FLATTREE
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bool
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help
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Helpers to allow for reservation of memory regions
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config OF_RESOLVE
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bool
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config OF_OVERLAY
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bool "Device Tree overlays"
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select OF_DYNAMIC
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select OF_RESOLVE
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help
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Overlays are a method to dynamically modify part of the kernel's
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device tree with dynamically loaded data.
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While this option is selected automatically when needed, you can
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enable it manually to improve device tree unit test coverage.
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endif # OF
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