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Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/core/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig index 1ca5d66141b..07d3a6a7a43 100644 --- a/drivers/core/Kconfig +++ b/drivers/core/Kconfig @@ -286,4 +286,15 @@ config INTEL_ACPIGEN information such as P states and T stages. Also included is a way to create a GNVS table and set it up. +config BOUNCE_BUFFER + bool "Include bounce buffer API" + help + Some peripherals support DMA from a subset of physically + addressable memory only. To support such peripherals, the + bounce buffer API uses a temporary buffer: it copies data + to/from DMA regions while managing cache operations. + + A second possible use of bounce buffers is their ability to + provide aligned buffers for DMA operations. + endmenu |