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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 config TI_EDMA3
bool "TI EDMA3 driver" bool "TI EDMA3 driver"
select DMA_LEGACY
help help
Enable the TI EDMA3 driver for DRA7xx and AM43xx evms. Enable the TI EDMA3 driver for DRA7xx and AM43xx evms.
This driver support data transfer between memory This driver support data transfer between memory
@ -57,6 +58,15 @@ config APBH_DMA_BURST8
endif 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" source "drivers/dma/ti/Kconfig"
endmenu # menu "DMA Support" endmenu # menu "DMA Support"