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of: select OF_RESERVED_MEM automatically

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The OF_RESERVED_MEM can be used if we have either CMA or the generic
declare coherent code built and we support the early flattened DT.

So don't bother making it a user visible options that is selected
by most configs that fit the above category, but just select it when
the requirements are met.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Christoph Hellwig
2019-02-01 10:10:52 +01:00
parent 2b28129613
commit 34e04eedd1
7 changed files with 2 additions and 9 deletions
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5
drivers/of/Kconfig
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@@ -81,10 +81,9 @@ config OF_MDIO
OpenFirmware MDIO bus (Ethernet PHY) accessors
config OF_RESERVED_MEM
depends on OF_EARLY_FLATTREE
bool
help
Helpers to allow for reservation of memory regions
depends on OF_EARLY_FLATTREE
default y if HAVE_GENERIC_DMA_COHERENT || DMA_CMA
config OF_RESOLVE
bool