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Diffstat (limited to 'drivers/dma/Kconfig')
| -rw-r--r-- | drivers/dma/Kconfig | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 635b11c7af..e7516466d9 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -15,6 +15,9 @@ config OF_DMA_COHERENCY For most platforms supported, either all DMA is coherent or it isn't. Platforms that have DMA masters of mixed coherency or that differ from the architecture default will select this option to parse - DMA coherency out of the DT. + DMA coherency out of the DT. This allows barebox to choose the + correct cache maintenance operation during runtime and will cause + barebox to fix up its own DMA coherency setting into the kernel + DT if it differs. endmenu |