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dma: Add a Kconfig for legacy DMA

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We cannot use the existing DMA config for the MCD driver because it is
not migrated to driver model. In order to move it to drivers/Makefile
we need some sort of option for it. Add a new DMA_LEGACY option, which
also acts as a signal that it should be migrated.

Enable this for devkit3250 which uses CONFIG_DMA_LPC32XX which is not
converted to Kconfig.

For now this is not used in the Makefile. That update happens in a
following patch.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-08-08 12:20:19 -06:00 committed by Tom Rini
parent 807cc640ed
commit 70edba0784
1 changed files with 10 additions and 0 deletions
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10
drivers/dma/Kconfig
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@ -37,6 +37,7 @@ config BCM6348_IUDMA
config TI_EDMA3
bool "TI EDMA3 driver"
select DMA_LEGACY
help
Enable the TI EDMA3 driver for DRA7xx and AM43xx evms.
This driver support data transfer between memory
@ -57,6 +58,15 @@ config APBH_DMA_BURST8
endif
config DMA_LEGACY
bool "Legacy DMA support"
default y if FSLDMAFEC
help
Enable legacy DMA support. This does not use driver model and should
be migrated to the new API.
It is required for some PowerPC boards.
source "drivers/dma/ti/Kconfig"
endmenu # menu "DMA Support"