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dma-mapping: move the NEED_DMA_MAP_STATE config symbol to lib/Kconfig

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This way we have one central definition of it, and user can select it as
needed.  Note that we now also always select it when CONFIG_DMA_API_DEBUG
is select, which fixes some incorrect checks in a few network drivers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
This commit is contained in:
Christoph Hellwig
2018-05-09 06:53:49 +02:00
parent 86596f0a28
commit f616ab59c2
15 changed files with 17 additions and 35 deletions
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lib/Kconfig.debug
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@@ -1634,6 +1634,7 @@ config PROVIDE_OHCI1394_DMA_INIT
config DMA_API_DEBUG
bool "Enable debugging of DMA-API usage"
select NEED_DMA_MAP_STATE
help
Enable this option to debug the use of the DMA API by device drivers.
With this option you will be able to detect common bugs in device